add python dependencies

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README FOR IDLE TESTS IN IDLELIB.IDLE_TEST
0. Quick Start
Automated unit tests were added in 3.3 for Python 3.x.
To run the tests from a command line:
python -m test.test_idle
Human-mediated tests were added later in 3.4.
python -m idlelib.idle_test.htest
1. Test Files
The idle directory, idlelib, has over 60 xyz.py files. The idle_test
subdirectory contains test_xyz.py for each implementation file xyz.py.
To add a test for abc.py, open idle_test/template.py and immediately
Save As test_abc.py. Insert 'abc' on the first line, and replace
'zzdummy' with 'abc.
Remove the imports of requires and tkinter if not needed. Otherwise,
add to the tkinter imports as needed.
Add a prefix to 'Test' for the initial test class. The template class
contains code needed or possibly needed for gui tests. See the next
section if doing gui tests. If not, and not needed for further classes,
this code can be removed.
Add the following at the end of abc.py. If an htest was added first,
insert the import and main lines before the htest lines.
if __name__ == "__main__":
from unittest import main
main('idlelib.idle_test.test_abc', verbosity=2, exit=False)
The ', exit=False' is only needed if an htest follows.
2. GUI Tests
When run as part of the Python test suite, Idle GUI tests need to run
test.support.requires('gui'). A test is a GUI test if it creates a
tkinter.Tk root or master object either directly or indirectly by
instantiating a tkinter or idle class. GUI tests cannot run in test
processes that either have no graphical environment available or are not
allowed to use it.
To guard a module consisting entirely of GUI tests, start with
from test.support import requires
requires('gui')
To guard a test class, put "requires('gui')" in its setUpClass function.
The template.py file does this.
To avoid interfering with other GUI tests, all GUI objects must be
destroyed and deleted by the end of the test. The Tk root created in a
setUpX function should be destroyed in the corresponding tearDownX and
the module or class attribute deleted. Others widgets should descend
from the single root and the attributes deleted BEFORE root is
destroyed. See https://bugs.python.org/issue20567.
@classmethod
def setUpClass(cls):
requires('gui')
cls.root = tk.Tk()
cls.text = tk.Text(root)
@classmethod
def tearDownClass(cls):
del cls.text
cls.root.update_idletasks()
cls.root.destroy()
del cls.root
The update_idletasks call is sometimes needed to prevent the following
warning either when running a test alone or as part of the test suite
(#27196). It should not hurt if not needed.
can't invoke "event" command: application has been destroyed
...
"ttk::ThemeChanged"
If a test creates instance 'e' of EditorWindow, call 'e._close()' before
or as the first part of teardown. The effect of omitting this depends
on the later shutdown. Then enable the after_cancel loop in the
template. This prevents messages like the following.
bgerror failed to handle background error.
Original error: invalid command name "106096696timer_event"
Error in bgerror: can't invoke "tk" command: application has been destroyed
Requires('gui') causes the test(s) it guards to be skipped if any of
these conditions are met:
- The tests are being run by regrtest.py, and it was started without
enabling the "gui" resource with the "-u" command line option.
- The tests are being run on Windows by a service that is not allowed
to interact with the graphical environment.
- The tests are being run on Linux and X Windows is not available.
- The tests are being run on Mac OSX in a process that cannot make a
window manager connection.
- tkinter.Tk cannot be successfully instantiated for some reason.
- test.support.use_resources has been set by something other than
regrtest.py and does not contain "gui".
Tests of non-GUI operations should avoid creating tk widgets. Incidental
uses of tk variables and messageboxes can be replaced by the mock
classes in idle_test/mock_tk.py. The mock text handles some uses of the
tk Text widget.
3. Running Unit Tests
Assume that xyz.py and test_xyz.py both end with a unittest.main() call.
Running either from an Idle editor runs all tests in the test_xyz file
with the version of Python running Idle. Test output appears in the
Shell window. The 'verbosity=2' option lists all test methods in the
file, which is appropriate when developing tests. The 'exit=False'
option is needed in xyx.py files when an htest follows.
The following command lines also run all test methods, including
GUI tests, in test_xyz.py. (Both '-m idlelib' and '-m idlelib.idle'
start Idle and so cannot run tests.)
python -m idlelib.xyz
python -m idlelib.idle_test.test_xyz
The following runs all idle_test/test_*.py tests interactively.
>>> import unittest
>>> unittest.main('idlelib.idle_test', verbosity=2)
The following run all Idle tests at a command line. Option '-v' is the
same as 'verbosity=2'.
python -m unittest -v idlelib.idle_test
python -m test -v -ugui test_idle
python -m test.test_idle
IDLE tests are 'discovered' by idlelib.idle_test.__init__.load_tests
when this is imported into test.test_idle. Normally, neither file
should be changed when working on individual test modules. The third
command runs unittest indirectly through regrtest. The same happens when
the entire test suite is run with 'python -m test'. So that command must
work for buildbots to stay green. IDLE tests must not disturb the
environment in a way that makes other tests fail (GH-62281).
To test subsets of modules, see idlelib.idle_test.__init__. This
can be used to find refleaks or possible sources of "Theme changed"
tcl messages (GH-71383).
To run an individual Testcase or test method, extend the dotted name
given to unittest on the command line or use the test -m option. The
latter allows use of other regrtest options. When using the latter,
all components of the pattern must be present, but any can be replaced
by '*'.
python -m unittest -v idlelib.idle_test.test_xyz.Test_case.test_meth
python -m test -m idlelib.idle_test.text_xyz.Test_case.test_meth test_idle
The test suite can be run in an IDLE user process from Shell.
>>> import test.autotest # Issue 25588, 2017/10/13, 3.6.4, 3.7.0a2.
There are currently failures not usually present, and this does not
work when run from the editor.
4. Human-mediated Tests
Human-mediated tests are widget tests that cannot be automated but need
human verification. They are contained in idlelib/idle_test/htest.py,
which has instructions. (Some modules need an auxiliary function,
identified with "# htest # on the header line.) The set is about
complete, though some tests need improvement. To run all htests, run the
htest file from an editor or from the command line with:
python -m idlelib.idle_test.htest
5. Test Coverage
Install the coverage package into your Python 3.6 site-packages
directory. (Its exact location depends on the OS).
> python3 -m pip install coverage
(On Windows, replace 'python3 with 'py -3.6' or perhaps just 'python'.)
The problem with running coverage with repository python is that
coverage uses absolute imports for its submodules, hence it needs to be
in a directory in sys.path. One solution: copy the package to the
directory containing the cpython repository. Call it 'dev'. Then run
coverage either directly or from a script in that directory so that
'dev' is prepended to sys.path.
Either edit or add dev/.coveragerc so it looks something like this.
---
# .coveragerc sets coverage options.
[run]
branch = True
[report]
# Regexes for lines to exclude from consideration
exclude_lines =
# Don't complain if non-runnable code isn't run:
if 0:
if __name__ == .__main__.:
.*# htest #
if not _utest:
if _htest:
---
The additions for IDLE are 'branch = True', to test coverage both ways,
and the last three exclude lines, to exclude things peculiar to IDLE
that are not executed during tests.
A script like the following cover.bat (for Windows) is very handy.
---
@echo off
rem Usage: cover filename [test_ suffix] # proper case required by coverage
rem filename without .py, 2nd parameter if test is not test_filename
setlocal
set py=f:\dev\3x\pcbuild\win32\python_d.exe
set src=idlelib.%1
if "%2" EQU "" set tst=f:/dev/3x/Lib/idlelib/idle_test/test_%1.py
if "%2" NEQ "" set tst=f:/dev/ex/Lib/idlelib/idle_test/test_%2.py
%py% -m coverage run --pylib --source=%src% %tst%
%py% -m coverage report --show-missing
%py% -m coverage html
start htmlcov\3x_Lib_idlelib_%1_py.html
rem Above opens new report; htmlcov\index.html displays report index
---
The second parameter was added for tests of module x not named test_x.
(There were several before modules were renamed, now only one is left.)

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"""idlelib.idle_test implements test.test_idle, which tests the IDLE
application as part of the stdlib test suite.
Run IDLE tests alone with "python -m test.test_idle (-v)".
This package and its contained modules are subject to change and
any direct use is at your own risk.
"""
from os.path import dirname
# test_idle imports load_tests for test discovery (default all).
# To run subsets of idlelib module tests, insert '[<chars>]' after '_'.
# Example: insert '[ac]' for modules beginning with 'a' or 'c'.
# Additional .discover/.addTest pairs with separate inserts work.
# Example: pairs with 'c' and 'g' test c* files and grep.
def load_tests(loader, standard_tests, pattern):
this_dir = dirname(__file__)
top_dir = dirname(dirname(this_dir))
module_tests = loader.discover(start_dir=this_dir,
pattern='test_*.py', # Insert here.
top_level_dir=top_dir)
standard_tests.addTests(module_tests)
## module_tests = loader.discover(start_dir=this_dir,
## pattern='test_*.py', # Insert here.
## top_level_dir=top_dir)
## standard_tests.addTests(module_tests)
return standard_tests

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#!usr/bin/env python
def example_function(some_argument):
pass

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class Example:
def method(self, argument1: str, argument2: list[int]) -> None: ...

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'''Run human tests of Idle's window, dialog, and popup widgets.
run(*tests)
Create a master Tk window. Within that, run each callable in tests
after finding the matching test spec in this file. If tests is empty,
run an htest for each spec dict in this file after finding the matching
callable in the module named in the spec. Close the window to skip or
end the test.
In a tested module, let X be a global name bound to a callable (class
or function) whose .__name__ attribute is also X (the usual situation).
The first parameter of X must be 'parent'. When called, the parent
argument will be the root window. X must create a child Toplevel
window (or subclass thereof). The Toplevel may be a test widget or
dialog, in which case the callable is the corresponding class. Or the
Toplevel may contain the widget to be tested or set up a context in
which a test widget is invoked. In this latter case, the callable is a
wrapper function that sets up the Toplevel and other objects. Wrapper
function names, such as _editor_window', should start with '_'.
End the module with
if __name__ == '__main__':
<unittest, if there is one>
from idlelib.idle_test.htest import run
run(X)
To have wrapper functions and test invocation code ignored by coveragepy
reports, put '# htest #' on the def statement header line.
def _wrapper(parent): # htest #
Also make sure that the 'if __name__' line matches the above. Then have
make sure that .coveragerc includes the following.
[report]
exclude_lines =
.*# htest #
if __name__ == .__main__.:
(The "." instead of "'" is intentional and necessary.)
To run any X, this file must contain a matching instance of the
following template, with X.__name__ prepended to '_spec'.
When all tests are run, the prefix is use to get X.
_spec = {
'file': '',
'kwds': {'title': ''},
'msg': ""
}
file (no .py): run() imports file.py.
kwds: augmented with {'parent':root} and passed to X as **kwds.
title: an example kwd; some widgets need this, delete if not.
msg: master window hints about testing the widget.
Modules and classes not being tested at the moment:
pyshell.PyShellEditorWindow
debugger.Debugger
autocomplete_w.AutoCompleteWindow
outwin.OutputWindow (indirectly being tested with grep test)
'''
import idlelib.pyshell # Set Windows DPI awareness before Tk().
from importlib import import_module
import textwrap
import tkinter as tk
from tkinter.ttk import Scrollbar
tk.NoDefaultRoot()
AboutDialog_spec = {
'file': 'help_about',
'kwds': {'title': 'help_about test',
'_htest': True,
},
'msg': "Click on URL to open in default browser.\n"
"Verify x.y.z versions and test each button, including Close.\n "
}
# TODO implement ^\; adding '<Control-Key-\\>' to function does not work.
_calltip_window_spec = {
'file': 'calltip_w',
'kwds': {},
'msg': "Typing '(' should display a calltip.\n"
"Typing ') should hide the calltip.\n"
"So should moving cursor out of argument area.\n"
"Force-open-calltip does not work here.\n"
}
_module_browser_spec = {
'file': 'browser',
'kwds': {},
'msg': "Inspect names of module, class(with superclass if "
"applicable), methods and functions.\nToggle nested items.\n"
"Double clicking on items prints a traceback for an exception "
"that is ignored."
}
_color_delegator_spec = {
'file': 'colorizer',
'kwds': {},
'msg': "The text is sample Python code.\n"
"Ensure components like comments, keywords, builtins,\n"
"string, definitions, and break are correctly colored.\n"
"The default color scheme is in idlelib/config-highlight.def"
}
CustomRun_spec = {
'file': 'query',
'kwds': {'title': 'Customize query.py Run',
'_htest': True},
'msg': "Enter with <Return> or [Run]. Print valid entry to Shell\n"
"Arguments are parsed into a list\n"
"Mode is currently restart True or False\n"
"Close dialog with valid entry, <Escape>, [Cancel], [X]"
}
ConfigDialog_spec = {
'file': 'configdialog',
'kwds': {'title': 'ConfigDialogTest',
'_htest': True,},
'msg': "IDLE preferences dialog.\n"
"In the 'Fonts/Tabs' tab, changing font face, should update the "
"font face of the text in the area below it.\nIn the "
"'Highlighting' tab, try different color schemes. Clicking "
"items in the sample program should update the choices above it."
"\nIn the 'Keys', 'General' and 'Extensions' tabs, test settings "
"of interest."
"\n[Ok] to close the dialog.[Apply] to apply the settings and "
"and [Cancel] to revert all changes.\nRe-run the test to ensure "
"changes made have persisted."
}
# TODO Improve message
_dyn_option_menu_spec = {
'file': 'dynoption',
'kwds': {},
'msg': "Select one of the many options in the 'old option set'.\n"
"Click the button to change the option set.\n"
"Select one of the many options in the 'new option set'."
}
# TODO edit wrapper
_editor_window_spec = {
'file': 'editor',
'kwds': {},
'msg': "Test editor functions of interest.\n"
"Best to close editor first."
}
GetKeysDialog_spec = {
'file': 'config_key',
'kwds': {'title': 'Test keybindings',
'action': 'find-again',
'current_key_sequences': [['<Control-Key-g>', '<Key-F3>', '<Control-Key-G>']],
'_htest': True,
},
'msg': "Test for different key modifier sequences.\n"
"<nothing> is invalid.\n"
"No modifier key is invalid.\n"
"Shift key with [a-z],[0-9], function key, move key, tab, space "
"is invalid.\nNo validity checking if advanced key binding "
"entry is used."
}
_grep_dialog_spec = {
'file': 'grep',
'kwds': {},
'msg': "Click the 'Show GrepDialog' button.\n"
"Test the various 'Find-in-files' functions.\n"
"The results should be displayed in a new '*Output*' window.\n"
"'Right-click'->'Go to file/line' anywhere in the search results "
"should open that file \nin a new EditorWindow."
}
HelpSource_spec = {
'file': 'query',
'kwds': {'title': 'Help name and source',
'menuitem': 'test',
'filepath': __file__,
'used_names': {'abc'},
'_htest': True},
'msg': "Enter menu item name and help file path\n"
"'', > than 30 chars, and 'abc' are invalid menu item names.\n"
"'' and file does not exist are invalid path items.\n"
"Any url ('www...', 'http...') is accepted.\n"
"Test Browse with and without path, as cannot unittest.\n"
"[Ok] or <Return> prints valid entry to shell\n"
"[Cancel] or <Escape> prints None to shell"
}
_io_binding_spec = {
'file': 'iomenu',
'kwds': {},
'msg': "Test the following bindings.\n"
"<Control-o> to open file from dialog.\n"
"Edit the file.\n"
"<Control-p> to print the file.\n"
"<Control-s> to save the file.\n"
"<Alt-s> to save-as another file.\n"
"<Control-c> to save-copy-as another file.\n"
"Check that changes were saved by opening the file elsewhere."
}
_linenumbers_drag_scrolling_spec = {
'file': 'sidebar',
'kwds': {},
'msg': textwrap.dedent("""\
1. Click on the line numbers and drag down below the edge of the
window, moving the mouse a bit and then leaving it there for a while.
The text and line numbers should gradually scroll down, with the
selection updated continuously.
2. With the lines still selected, click on a line number above the
selected lines. Only the line whose number was clicked should be
selected.
3. Repeat step #1, dragging to above the window. The text and line
numbers should gradually scroll up, with the selection updated
continuously.
4. Repeat step #2, clicking a line number below the selection."""),
}
_multi_call_spec = {
'file': 'multicall',
'kwds': {},
'msg': "The following actions should trigger a print to console or IDLE"
" Shell.\nEntering and leaving the text area, key entry, "
"<Control-Key>,\n<Alt-Key-a>, <Control-Key-a>, "
"<Alt-Control-Key-a>, \n<Control-Button-1>, <Alt-Button-1> and "
"focusing out of the window\nare sequences to be tested."
}
_multistatus_bar_spec = {
'file': 'statusbar',
'kwds': {},
'msg': "Ensure presence of multi-status bar below text area.\n"
"Click 'Update Status' to change the multi-status text"
}
_object_browser_spec = {
'file': 'debugobj',
'kwds': {},
'msg': "Double click on items up to the lowest level.\n"
"Attributes of the objects and related information "
"will be displayed side-by-side at each level."
}
_path_browser_spec = {
'file': 'pathbrowser',
'kwds': {},
'msg': "Test for correct display of all paths in sys.path.\n"
"Toggle nested items up to the lowest level.\n"
"Double clicking on an item prints a traceback\n"
"for an exception that is ignored."
}
_percolator_spec = {
'file': 'percolator',
'kwds': {},
'msg': "There are two tracers which can be toggled using a checkbox.\n"
"Toggling a tracer 'on' by checking it should print tracer "
"output to the console or to the IDLE shell.\n"
"If both the tracers are 'on', the output from the tracer which "
"was switched 'on' later, should be printed first\n"
"Test for actions like text entry, and removal."
}
Query_spec = {
'file': 'query',
'kwds': {'title': 'Query',
'message': 'Enter something',
'text0': 'Go',
'_htest': True},
'msg': "Enter with <Return> or [Ok]. Print valid entry to Shell\n"
"Blank line, after stripping, is ignored\n"
"Close dialog with valid entry, <Escape>, [Cancel], [X]"
}
_replace_dialog_spec = {
'file': 'replace',
'kwds': {},
'msg': "Click the 'Replace' button.\n"
"Test various replace options in the 'Replace dialog'.\n"
"Click [Close] or [X] to close the 'Replace Dialog'."
}
_search_dialog_spec = {
'file': 'search',
'kwds': {},
'msg': "Click the 'Search' button.\n"
"Test various search options in the 'Search dialog'.\n"
"Click [Close] or [X] to close the 'Search Dialog'."
}
_searchbase_spec = {
'file': 'searchbase',
'kwds': {},
'msg': "Check the appearance of the base search dialog\n"
"Its only action is to close."
}
_scrolled_list_spec = {
'file': 'scrolledlist',
'kwds': {},
'msg': "You should see a scrollable list of items\n"
"Selecting (clicking) or double clicking an item "
"prints the name to the console or Idle shell.\n"
"Right clicking an item will display a popup."
}
show_idlehelp_spec = {
'file': 'help',
'kwds': {},
'msg': "If the help text displays, this works.\n"
"Text is selectable. Window is scrollable."
}
_stack_viewer_spec = {
'file': 'stackviewer',
'kwds': {},
'msg': "A stacktrace for a NameError exception.\n"
"Expand 'idlelib ...' and '<locals>'.\n"
"Check that exc_value, exc_tb, and exc_type are correct.\n"
}
_tooltip_spec = {
'file': 'tooltip',
'kwds': {},
'msg': "Place mouse cursor over both the buttons\n"
"A tooltip should appear with some text."
}
_tree_widget_spec = {
'file': 'tree',
'kwds': {},
'msg': "The canvas is scrollable.\n"
"Click on folders up to to the lowest level."
}
_undo_delegator_spec = {
'file': 'undo',
'kwds': {},
'msg': "Click [Undo] to undo any action.\n"
"Click [Redo] to redo any action.\n"
"Click [Dump] to dump the current state "
"by printing to the console or the IDLE shell.\n"
}
ViewWindow_spec = {
'file': 'textview',
'kwds': {'title': 'Test textview',
'contents': 'The quick brown fox jumps over the lazy dog.\n'*35,
'_htest': True},
'msg': "Test for read-only property of text.\n"
"Select text, scroll window, close"
}
_widget_redirector_spec = {
'file': 'redirector',
'kwds': {},
'msg': "Every text insert should be printed to the console "
"or the IDLE shell."
}
def run(*tests):
root = tk.Tk()
root.title('IDLE htest')
root.resizable(0, 0)
# a scrollable Label like constant width text widget.
frameLabel = tk.Frame(root, padx=10)
frameLabel.pack()
text = tk.Text(frameLabel, wrap='word')
text.configure(bg=root.cget('bg'), relief='flat', height=4, width=70)
scrollbar = Scrollbar(frameLabel, command=text.yview)
text.config(yscrollcommand=scrollbar.set)
scrollbar.pack(side='right', fill='y', expand=False)
text.pack(side='left', fill='both', expand=True)
test_list = [] # List of tuples of the form (spec, callable widget)
if tests:
for test in tests:
test_spec = globals()[test.__name__ + '_spec']
test_spec['name'] = test.__name__
test_list.append((test_spec, test))
else:
for k, d in globals().items():
if k.endswith('_spec'):
test_name = k[:-5]
test_spec = d
test_spec['name'] = test_name
mod = import_module('idlelib.' + test_spec['file'])
test = getattr(mod, test_name)
test_list.append((test_spec, test))
test_name = tk.StringVar(root)
callable_object = None
test_kwds = None
def next_test():
nonlocal test_name, callable_object, test_kwds
if len(test_list) == 1:
next_button.pack_forget()
test_spec, callable_object = test_list.pop()
test_kwds = test_spec['kwds']
test_kwds['parent'] = root
test_name.set('Test ' + test_spec['name'])
text.configure(state='normal') # enable text editing
text.delete('1.0','end')
text.insert("1.0",test_spec['msg'])
text.configure(state='disabled') # preserve read-only property
def run_test(_=None):
widget = callable_object(**test_kwds)
try:
print(widget.result)
except AttributeError:
pass
def close(_=None):
root.destroy()
button = tk.Button(root, textvariable=test_name,
default='active', command=run_test)
next_button = tk.Button(root, text="Next", command=next_test)
button.pack()
next_button.pack()
next_button.focus_set()
root.bind('<Key-Return>', run_test)
root.bind('<Key-Escape>', close)
next_test()
root.mainloop()
if __name__ == '__main__':
run()

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'''Mock classes that imitate idlelib modules or classes.
Attributes and methods will be added as needed for tests.
'''
from idlelib.idle_test.mock_tk import Text
class Func:
'''Record call, capture args, return/raise result set by test.
When mock function is called, set or use attributes:
self.called - increment call number even if no args, kwds passed.
self.args - capture positional arguments.
self.kwds - capture keyword arguments.
self.result - return or raise value set in __init__.
self.return_self - return self instead, to mock query class return.
Most common use will probably be to mock instance methods.
Given class instance, can set and delete as instance attribute.
Mock_tk.Var and Mbox_func are special variants of this.
'''
def __init__(self, result=None, return_self=False):
self.called = 0
self.result = result
self.return_self = return_self
self.args = None
self.kwds = None
def __call__(self, *args, **kwds):
self.called += 1
self.args = args
self.kwds = kwds
if isinstance(self.result, BaseException):
raise self.result
elif self.return_self:
return self
else:
return self.result
class Editor:
'''Minimally imitate editor.EditorWindow class.
'''
def __init__(self, flist=None, filename=None, key=None, root=None,
text=None): # Allow real Text with mock Editor.
self.text = text or Text()
self.undo = UndoDelegator()
def get_selection_indices(self):
first = self.text.index('1.0')
last = self.text.index('end')
return first, last
class UndoDelegator:
'''Minimally imitate undo.UndoDelegator class.
'''
# A real undo block is only needed for user interaction.
def undo_block_start(*args):
pass
def undo_block_stop(*args):
pass

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"""Classes that replace tkinter gui objects used by an object being tested.
A gui object is anything with a master or parent parameter, which is
typically required in spite of what the doc strings say.
"""
import re
from _tkinter import TclError
class Event:
'''Minimal mock with attributes for testing event handlers.
This is not a gui object, but is used as an argument for callbacks
that access attributes of the event passed. If a callback ignores
the event, other than the fact that is happened, pass 'event'.
Keyboard, mouse, window, and other sources generate Event instances.
Event instances have the following attributes: serial (number of
event), time (of event), type (of event as number), widget (in which
event occurred), and x,y (position of mouse). There are other
attributes for specific events, such as keycode for key events.
tkinter.Event.__doc__ has more but is still not complete.
'''
def __init__(self, **kwds):
"Create event with attributes needed for test"
self.__dict__.update(kwds)
class Var:
"Use for String/Int/BooleanVar: incomplete"
def __init__(self, master=None, value=None, name=None):
self.master = master
self.value = value
self.name = name
def set(self, value):
self.value = value
def get(self):
return self.value
class Mbox_func:
"""Generic mock for messagebox functions, which all have the same signature.
Instead of displaying a message box, the mock's call method saves the
arguments as instance attributes, which test functions can then examine.
The test can set the result returned to ask function
"""
def __init__(self, result=None):
self.result = result # Return None for all show funcs
def __call__(self, title, message, *args, **kwds):
# Save all args for possible examination by tester
self.title = title
self.message = message
self.args = args
self.kwds = kwds
return self.result # Set by tester for ask functions
class Mbox:
"""Mock for tkinter.messagebox with an Mbox_func for each function.
Example usage in test_module.py for testing functions in module.py:
---
from idlelib.idle_test.mock_tk import Mbox
import module
orig_mbox = module.messagebox
showerror = Mbox.showerror # example, for attribute access in test methods
class Test(unittest.TestCase):
@classmethod
def setUpClass(cls):
module.messagebox = Mbox
@classmethod
def tearDownClass(cls):
module.messagebox = orig_mbox
---
For 'ask' functions, set func.result return value before calling the method
that uses the message function. When messagebox functions are the
only GUI calls in a method, this replacement makes the method GUI-free,
"""
askokcancel = Mbox_func() # True or False
askquestion = Mbox_func() # 'yes' or 'no'
askretrycancel = Mbox_func() # True or False
askyesno = Mbox_func() # True or False
askyesnocancel = Mbox_func() # True, False, or None
showerror = Mbox_func() # None
showinfo = Mbox_func() # None
showwarning = Mbox_func() # None
class Text:
"""A semi-functional non-gui replacement for tkinter.Text text editors.
The mock's data model is that a text is a list of \n-terminated lines.
The mock adds an empty string at the beginning of the list so that the
index of actual lines start at 1, as with Tk. The methods never see this.
Tk initializes files with a terminal \n that cannot be deleted. It is
invisible in the sense that one cannot move the cursor beyond it.
This class is only tested (and valid) with strings of ascii chars.
For testing, we are not concerned with Tk Text's treatment of,
for instance, 0-width characters or character + accent.
"""
def __init__(self, master=None, cnf={}, **kw):
'''Initialize mock, non-gui, text-only Text widget.
At present, all args are ignored. Almost all affect visual behavior.
There are just a few Text-only options that affect text behavior.
'''
self.data = ['', '\n']
def index(self, index):
"Return string version of index decoded according to current text."
return "%s.%s" % self._decode(index, endflag=1)
def _decode(self, index, endflag=0):
"""Return a (line, char) tuple of int indexes into self.data.
This implements .index without converting the result back to a string.
The result is constrained by the number of lines and linelengths of
self.data. For many indexes, the result is initially (1, 0).
The input index may have any of several possible forms:
* line.char float: converted to 'line.char' string;
* 'line.char' string, where line and char are decimal integers;
* 'line.char lineend', where lineend='lineend' (and char is ignored);
* 'line.end', where end='end' (same as above);
* 'insert', the positions before terminal \n;
* 'end', whose meaning depends on the endflag passed to ._endex.
* 'sel.first' or 'sel.last', where sel is a tag -- not implemented.
"""
if isinstance(index, (float, bytes)):
index = str(index)
try:
index=index.lower()
except AttributeError:
raise TclError('bad text index "%s"' % index) from None
lastline = len(self.data) - 1 # same as number of text lines
if index == 'insert':
return lastline, len(self.data[lastline]) - 1
elif index == 'end':
return self._endex(endflag)
line, char = index.split('.')
line = int(line)
# Out of bounds line becomes first or last ('end') index
if line < 1:
return 1, 0
elif line > lastline:
return self._endex(endflag)
linelength = len(self.data[line]) -1 # position before/at \n
if char.endswith(' lineend') or char == 'end':
return line, linelength
# Tk requires that ignored chars before ' lineend' be valid int
if m := re.fullmatch(r'end-(\d*)c', char, re.A): # Used by hyperparser.
return line, linelength - int(m.group(1))
# Out of bounds char becomes first or last index of line
char = int(char)
if char < 0:
char = 0
elif char > linelength:
char = linelength
return line, char
def _endex(self, endflag):
'''Return position for 'end' or line overflow corresponding to endflag.
-1: position before terminal \n; for .insert(), .delete
0: position after terminal \n; for .get, .delete index 1
1: same viewed as beginning of non-existent next line (for .index)
'''
n = len(self.data)
if endflag == 1:
return n, 0
else:
n -= 1
return n, len(self.data[n]) + endflag
def insert(self, index, chars):
"Insert chars before the character at index."
if not chars: # ''.splitlines() is [], not ['']
return
chars = chars.splitlines(True)
if chars[-1][-1] == '\n':
chars.append('')
line, char = self._decode(index, -1)
before = self.data[line][:char]
after = self.data[line][char:]
self.data[line] = before + chars[0]
self.data[line+1:line+1] = chars[1:]
self.data[line+len(chars)-1] += after
def get(self, index1, index2=None):
"Return slice from index1 to index2 (default is 'index1+1')."
startline, startchar = self._decode(index1)
if index2 is None:
endline, endchar = startline, startchar+1
else:
endline, endchar = self._decode(index2)
if startline == endline:
return self.data[startline][startchar:endchar]
else:
lines = [self.data[startline][startchar:]]
for i in range(startline+1, endline):
lines.append(self.data[i])
lines.append(self.data[endline][:endchar])
return ''.join(lines)
def delete(self, index1, index2=None):
'''Delete slice from index1 to index2 (default is 'index1+1').
Adjust default index2 ('index+1) for line ends.
Do not delete the terminal \n at the very end of self.data ([-1][-1]).
'''
startline, startchar = self._decode(index1, -1)
if index2 is None:
if startchar < len(self.data[startline])-1:
# not deleting \n
endline, endchar = startline, startchar+1
elif startline < len(self.data) - 1:
# deleting non-terminal \n, convert 'index1+1 to start of next line
endline, endchar = startline+1, 0
else:
# do not delete terminal \n if index1 == 'insert'
return
else:
endline, endchar = self._decode(index2, -1)
# restricting end position to insert position excludes terminal \n
if startline == endline and startchar < endchar:
self.data[startline] = self.data[startline][:startchar] + \
self.data[startline][endchar:]
elif startline < endline:
self.data[startline] = self.data[startline][:startchar] + \
self.data[endline][endchar:]
startline += 1
for i in range(startline, endline+1):
del self.data[startline]
def compare(self, index1, op, index2):
line1, char1 = self._decode(index1)
line2, char2 = self._decode(index2)
if op == '<':
return line1 < line2 or line1 == line2 and char1 < char2
elif op == '<=':
return line1 < line2 or line1 == line2 and char1 <= char2
elif op == '>':
return line1 > line2 or line1 == line2 and char1 > char2
elif op == '>=':
return line1 > line2 or line1 == line2 and char1 >= char2
elif op == '==':
return line1 == line2 and char1 == char2
elif op == '!=':
return line1 != line2 or char1 != char2
else:
raise TclError('''bad comparison operator "%s": '''
'''must be <, <=, ==, >=, >, or !=''' % op)
# The following Text methods normally do something and return None.
# Whether doing nothing is sufficient for a test will depend on the test.
def mark_set(self, name, index):
"Set mark *name* before the character at index."
pass
def mark_unset(self, *markNames):
"Delete all marks in markNames."
def tag_remove(self, tagName, index1, index2=None):
"Remove tag tagName from all characters between index1 and index2."
pass
# The following Text methods affect the graphics screen and return None.
# Doing nothing should always be sufficient for tests.
def scan_dragto(self, x, y):
"Adjust the view of the text according to scan_mark"
def scan_mark(self, x, y):
"Remember the current X, Y coordinates."
def see(self, index):
"Scroll screen to make the character at INDEX is visible."
pass
# The following is a Misc method inherited by Text.
# It should properly go in a Misc mock, but is included here for now.
def bind(sequence=None, func=None, add=None):
"Bind to this widget at event sequence a call to function func."
pass
class Entry:
"Mock for tkinter.Entry."
def focus_set(self):
pass

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"Test , coverage %."
from idlelib import zzdummy
import unittest
from test.support import requires
from tkinter import Tk
class Test(unittest.TestCase):
@classmethod
def setUpClass(cls):
requires('gui')
cls.root = Tk()
cls.root.withdraw()
@classmethod
def tearDownClass(cls):
cls.root.update_idletasks()
## for id in cls.root.tk.call('after', 'info'):
## cls.root.after_cancel(id) # Need for EditorWindow.
cls.root.destroy()
del cls.root
def test_init(self):
self.assertTrue(True)
if __name__ == '__main__':
unittest.main(verbosity=2)

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"Test autocomplete, coverage 93%."
import unittest
from unittest.mock import Mock, patch
from test.support import requires
from tkinter import Tk, Text
import os
import __main__
import idlelib.autocomplete as ac
import idlelib.autocomplete_w as acw
from idlelib.idle_test.mock_idle import Func
from idlelib.idle_test.mock_tk import Event
class DummyEditwin:
def __init__(self, root, text):
self.root = root
self.text = text
self.indentwidth = 8
self.tabwidth = 8
self.prompt_last_line = '>>>' # Currently not used by autocomplete.
class AutoCompleteTest(unittest.TestCase):
@classmethod
def setUpClass(cls):
requires('gui')
cls.root = Tk()
cls.root.withdraw()
cls.text = Text(cls.root)
cls.editor = DummyEditwin(cls.root, cls.text)
@classmethod
def tearDownClass(cls):
del cls.editor, cls.text
cls.root.update_idletasks()
cls.root.destroy()
del cls.root
def setUp(self):
self.text.delete('1.0', 'end')
self.autocomplete = ac.AutoComplete(self.editor)
def test_init(self):
self.assertEqual(self.autocomplete.editwin, self.editor)
self.assertEqual(self.autocomplete.text, self.text)
def test_make_autocomplete_window(self):
testwin = self.autocomplete._make_autocomplete_window()
self.assertIsInstance(testwin, acw.AutoCompleteWindow)
def test_remove_autocomplete_window(self):
acp = self.autocomplete
acp.autocompletewindow = m = Mock()
acp._remove_autocomplete_window()
m.hide_window.assert_called_once()
self.assertIsNone(acp.autocompletewindow)
def test_force_open_completions_event(self):
# Call _open_completions and break.
acp = self.autocomplete
open_c = Func()
acp.open_completions = open_c
self.assertEqual(acp.force_open_completions_event('event'), 'break')
self.assertEqual(open_c.args[0], ac.FORCE)
def test_autocomplete_event(self):
Equal = self.assertEqual
acp = self.autocomplete
# Result of autocomplete event: If modified tab, None.
ev = Event(mc_state=True)
self.assertIsNone(acp.autocomplete_event(ev))
del ev.mc_state
# If tab after whitespace, None.
self.text.insert('1.0', ' """Docstring.\n ')
self.assertIsNone(acp.autocomplete_event(ev))
self.text.delete('1.0', 'end')
# If active autocomplete window, complete() and 'break'.
self.text.insert('1.0', 're.')
acp.autocompletewindow = mock = Mock()
mock.is_active = Mock(return_value=True)
Equal(acp.autocomplete_event(ev), 'break')
mock.complete.assert_called_once()
acp.autocompletewindow = None
# If no active autocomplete window, open_completions(), None/break.
open_c = Func(result=False)
acp.open_completions = open_c
Equal(acp.autocomplete_event(ev), None)
Equal(open_c.args[0], ac.TAB)
open_c.result = True
Equal(acp.autocomplete_event(ev), 'break')
Equal(open_c.args[0], ac.TAB)
def test_try_open_completions_event(self):
Equal = self.assertEqual
text = self.text
acp = self.autocomplete
trycompletions = acp.try_open_completions_event
after = Func(result='after1')
acp.text.after = after
# If no text or trigger, after not called.
trycompletions()
Equal(after.called, 0)
text.insert('1.0', 're')
trycompletions()
Equal(after.called, 0)
# Attribute needed, no existing callback.
text.insert('insert', ' re.')
acp._delayed_completion_id = None
trycompletions()
Equal(acp._delayed_completion_index, text.index('insert'))
Equal(after.args,
(acp.popupwait, acp._delayed_open_completions, ac.TRY_A))
cb1 = acp._delayed_completion_id
Equal(cb1, 'after1')
# File needed, existing callback cancelled.
text.insert('insert', ' "./Lib/')
after.result = 'after2'
cancel = Func()
acp.text.after_cancel = cancel
trycompletions()
Equal(acp._delayed_completion_index, text.index('insert'))
Equal(cancel.args, (cb1,))
Equal(after.args,
(acp.popupwait, acp._delayed_open_completions, ac.TRY_F))
Equal(acp._delayed_completion_id, 'after2')
def test_delayed_open_completions(self):
Equal = self.assertEqual
acp = self.autocomplete
open_c = Func()
acp.open_completions = open_c
self.text.insert('1.0', '"dict.')
# Set autocomplete._delayed_completion_id to None.
# Text index changed, don't call open_completions.
acp._delayed_completion_id = 'after'
acp._delayed_completion_index = self.text.index('insert+1c')
acp._delayed_open_completions('dummy')
self.assertIsNone(acp._delayed_completion_id)
Equal(open_c.called, 0)
# Text index unchanged, call open_completions.
acp._delayed_completion_index = self.text.index('insert')
acp._delayed_open_completions((1, 2, 3, ac.FILES))
self.assertEqual(open_c.args[0], (1, 2, 3, ac.FILES))
def test_oc_cancel_comment(self):
none = self.assertIsNone
acp = self.autocomplete
# Comment is in neither code or string.
acp._delayed_completion_id = 'after'
after = Func(result='after')
acp.text.after_cancel = after
self.text.insert(1.0, '# comment')
none(acp.open_completions(ac.TAB)) # From 'else' after 'elif'.
none(acp._delayed_completion_id)
def test_oc_no_list(self):
acp = self.autocomplete
fetch = Func(result=([],[]))
acp.fetch_completions = fetch
self.text.insert('1.0', 'object')
self.assertIsNone(acp.open_completions(ac.TAB))
self.text.insert('insert', '.')
self.assertIsNone(acp.open_completions(ac.TAB))
self.assertEqual(fetch.called, 2)
def test_open_completions_none(self):
# Test other two None returns.
none = self.assertIsNone
acp = self.autocomplete
# No object for attributes or need call not allowed.
self.text.insert(1.0, '.')
none(acp.open_completions(ac.TAB))
self.text.insert('insert', ' int().')
none(acp.open_completions(ac.TAB))
# Blank or quote trigger 'if complete ...'.
self.text.delete(1.0, 'end')
self.assertFalse(acp.open_completions(ac.TAB))
self.text.insert('1.0', '"')
self.assertFalse(acp.open_completions(ac.TAB))
self.text.delete('1.0', 'end')
class dummy_acw:
__init__ = Func()
show_window = Func(result=False)
hide_window = Func()
def test_open_completions(self):
# Test completions of files and attributes.
acp = self.autocomplete
fetch = Func(result=(['tem'],['tem', '_tem']))
acp.fetch_completions = fetch
def make_acw(): return self.dummy_acw()
acp._make_autocomplete_window = make_acw
self.text.insert('1.0', 'int.')
acp.open_completions(ac.TAB)
self.assertIsInstance(acp.autocompletewindow, self.dummy_acw)
self.text.delete('1.0', 'end')
# Test files.
self.text.insert('1.0', '"t')
self.assertTrue(acp.open_completions(ac.TAB))
self.text.delete('1.0', 'end')
def test_completion_kwds(self):
self.assertIn('and', ac.completion_kwds)
self.assertIn('case', ac.completion_kwds)
self.assertNotIn('None', ac.completion_kwds)
def test_fetch_completions(self):
# Test that fetch_completions returns 2 lists:
# For attribute completion, a large list containing all variables, and
# a small list containing non-private variables.
# For file completion, a large list containing all files in the path,
# and a small list containing files that do not start with '.'.
acp = self.autocomplete
small, large = acp.fetch_completions(
'', ac.ATTRS)
if hasattr(__main__, '__file__') and __main__.__file__ != ac.__file__:
self.assertNotIn('AutoComplete', small) # See issue 36405.
# Test attributes
s, b = acp.fetch_completions('', ac.ATTRS)
self.assertLess(len(small), len(large))
self.assertTrue(all(filter(lambda x: x.startswith('_'), s)))
self.assertTrue(any(filter(lambda x: x.startswith('_'), b)))
# Test smalll should respect to __all__.
with patch.dict('__main__.__dict__', {'__all__': ['a', 'b']}):
s, b = acp.fetch_completions('', ac.ATTRS)
self.assertEqual(s, ['a', 'b'])
self.assertIn('__name__', b) # From __main__.__dict__.
self.assertIn('sum', b) # From __main__.__builtins__.__dict__.
self.assertIn('nonlocal', b) # From keyword.kwlist.
pos = b.index('False') # Test False not included twice.
self.assertNotEqual(b[pos+1], 'False')
# Test attributes with name entity.
mock = Mock()
mock._private = Mock()
with patch.dict('__main__.__dict__', {'foo': mock}):
s, b = acp.fetch_completions('foo', ac.ATTRS)
self.assertNotIn('_private', s)
self.assertIn('_private', b)
self.assertEqual(s, [i for i in sorted(dir(mock)) if i[:1] != '_'])
self.assertEqual(b, sorted(dir(mock)))
# Test files
def _listdir(path):
# This will be patch and used in fetch_completions.
if path == '.':
return ['foo', 'bar', '.hidden']
return ['monty', 'python', '.hidden']
with patch.object(os, 'listdir', _listdir):
s, b = acp.fetch_completions('', ac.FILES)
self.assertEqual(s, ['bar', 'foo'])
self.assertEqual(b, ['.hidden', 'bar', 'foo'])
s, b = acp.fetch_completions('~', ac.FILES)
self.assertEqual(s, ['monty', 'python'])
self.assertEqual(b, ['.hidden', 'monty', 'python'])
def test_get_entity(self):
# Test that a name is in the namespace of sys.modules and
# __main__.__dict__.
acp = self.autocomplete
Equal = self.assertEqual
Equal(acp.get_entity('int'), int)
# Test name from sys.modules.
mock = Mock()
with patch.dict('sys.modules', {'tempfile': mock}):
Equal(acp.get_entity('tempfile'), mock)
# Test name from __main__.__dict__.
di = {'foo': 10, 'bar': 20}
with patch.dict('__main__.__dict__', {'d': di}):
Equal(acp.get_entity('d'), di)
# Test name not in namespace.
with patch.dict('__main__.__dict__', {}):
with self.assertRaises(NameError):
acp.get_entity('not_exist')
if __name__ == '__main__':
unittest.main(verbosity=2)

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"Test autocomplete_w, coverage 11%."
import unittest
from test.support import requires
from tkinter import Tk, Text
import idlelib.autocomplete_w as acw
class AutoCompleteWindowTest(unittest.TestCase):
@classmethod
def setUpClass(cls):
requires('gui')
cls.root = Tk()
cls.root.withdraw()
cls.text = Text(cls.root)
cls.acw = acw.AutoCompleteWindow(cls.text, tags=None)
@classmethod
def tearDownClass(cls):
del cls.text, cls.acw
cls.root.update_idletasks()
cls.root.destroy()
del cls.root
def test_init(self):
self.assertEqual(self.acw.widget, self.text)
if __name__ == '__main__':
unittest.main(verbosity=2)

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"Test autoexpand, coverage 100%."
from idlelib.autoexpand import AutoExpand
import unittest
from test.support import requires
from tkinter import Text, Tk
class DummyEditwin:
# AutoExpand.__init__ only needs .text
def __init__(self, text):
self.text = text
class AutoExpandTest(unittest.TestCase):
@classmethod
def setUpClass(cls):
requires('gui')
cls.tk = Tk()
cls.text = Text(cls.tk)
cls.auto_expand = AutoExpand(DummyEditwin(cls.text))
cls.auto_expand.bell = lambda: None
# If mock_tk.Text._decode understood indexes 'insert' with suffixed 'linestart',
# 'wordstart', and 'lineend', used by autoexpand, we could use the following
# to run these test on non-gui machines (but check bell).
## try:
## requires('gui')
## #raise ResourceDenied() # Uncomment to test mock.
## except ResourceDenied:
## from idlelib.idle_test.mock_tk import Text
## cls.text = Text()
## cls.text.bell = lambda: None
## else:
## from tkinter import Tk, Text
## cls.tk = Tk()
## cls.text = Text(cls.tk)
@classmethod
def tearDownClass(cls):
del cls.text, cls.auto_expand
if hasattr(cls, 'tk'):
cls.tk.destroy()
del cls.tk
def tearDown(self):
self.text.delete('1.0', 'end')
def test_get_prevword(self):
text = self.text
previous = self.auto_expand.getprevword
equal = self.assertEqual
equal(previous(), '')
text.insert('insert', 't')
equal(previous(), 't')
text.insert('insert', 'his')
equal(previous(), 'this')
text.insert('insert', ' ')
equal(previous(), '')
text.insert('insert', 'is')
equal(previous(), 'is')
text.insert('insert', '\nsample\nstring')
equal(previous(), 'string')
text.delete('3.0', 'insert')
equal(previous(), '')
text.delete('1.0', 'end')
equal(previous(), '')
def test_before_only(self):
previous = self.auto_expand.getprevword
expand = self.auto_expand.expand_word_event
equal = self.assertEqual
self.text.insert('insert', 'ab ac bx ad ab a')
equal(self.auto_expand.getwords(), ['ab', 'ad', 'ac', 'a'])
expand('event')
equal(previous(), 'ab')
expand('event')
equal(previous(), 'ad')
expand('event')
equal(previous(), 'ac')
expand('event')
equal(previous(), 'a')
def test_after_only(self):
# Also add punctuation 'noise' that should be ignored.
text = self.text
previous = self.auto_expand.getprevword
expand = self.auto_expand.expand_word_event
equal = self.assertEqual
text.insert('insert', 'a, [ab] ac: () bx"" cd ac= ad ya')
text.mark_set('insert', '1.1')
equal(self.auto_expand.getwords(), ['ab', 'ac', 'ad', 'a'])
expand('event')
equal(previous(), 'ab')
expand('event')
equal(previous(), 'ac')
expand('event')
equal(previous(), 'ad')
expand('event')
equal(previous(), 'a')
def test_both_before_after(self):
text = self.text
previous = self.auto_expand.getprevword
expand = self.auto_expand.expand_word_event
equal = self.assertEqual
text.insert('insert', 'ab xy yz\n')
text.insert('insert', 'a ac by ac')
text.mark_set('insert', '2.1')
equal(self.auto_expand.getwords(), ['ab', 'ac', 'a'])
expand('event')
equal(previous(), 'ab')
expand('event')
equal(previous(), 'ac')
expand('event')
equal(previous(), 'a')
def test_other_expand_cases(self):
text = self.text
expand = self.auto_expand.expand_word_event
equal = self.assertEqual
# no expansion candidate found
equal(self.auto_expand.getwords(), [])
equal(expand('event'), 'break')
text.insert('insert', 'bx cy dz a')
equal(self.auto_expand.getwords(), [])
# reset state by successfully expanding once
# move cursor to another position and expand again
text.insert('insert', 'ac xy a ac ad a')
text.mark_set('insert', '1.7')
expand('event')
initial_state = self.auto_expand.state
text.mark_set('insert', '1.end')
expand('event')
new_state = self.auto_expand.state
self.assertNotEqual(initial_state, new_state)
if __name__ == '__main__':
unittest.main(verbosity=2)

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"Test browser, coverage 90%."
from idlelib import browser
from test.support import requires
import unittest
from unittest import mock
from idlelib.idle_test.mock_idle import Func
from idlelib.util import py_extensions
from collections import deque
import os.path
import pyclbr
from tkinter import Tk
from idlelib.tree import TreeNode
class ModuleBrowserTest(unittest.TestCase):
@classmethod
def setUpClass(cls):
requires('gui')
cls.root = Tk()
cls.root.withdraw()
cls.mb = browser.ModuleBrowser(cls.root, __file__, _utest=True)
@classmethod
def tearDownClass(cls):
cls.mb.close()
cls.root.update_idletasks()
cls.root.destroy()
del cls.root, cls.mb
def test_init(self):
mb = self.mb
eq = self.assertEqual
eq(mb.path, __file__)
eq(pyclbr._modules, {})
self.assertIsInstance(mb.node, TreeNode)
self.assertIsNotNone(browser.file_open)
def test_settitle(self):
mb = self.mb
self.assertIn(os.path.basename(__file__), mb.top.title())
self.assertEqual(mb.top.iconname(), 'Module Browser')
def test_rootnode(self):
mb = self.mb
rn = mb.rootnode()
self.assertIsInstance(rn, browser.ModuleBrowserTreeItem)
def test_close(self):
mb = self.mb
mb.top.destroy = Func()
mb.node.destroy = Func()
mb.close()
self.assertTrue(mb.top.destroy.called)
self.assertTrue(mb.node.destroy.called)
del mb.top.destroy, mb.node.destroy
def test_is_browseable_extension(self):
path = "/path/to/file"
for ext in py_extensions:
with self.subTest(ext=ext):
filename = f'{path}{ext}'
actual = browser.is_browseable_extension(filename)
expected = ext not in browser.browseable_extension_blocklist
self.assertEqual(actual, expected)
# Nested tree same as in test_pyclbr.py except for supers on C0. C1.
mb = pyclbr
module, fname = 'test', 'test.py'
C0 = mb.Class(module, 'C0', ['base'], fname, 1, end_lineno=9)
F1 = mb._nest_function(C0, 'F1', 3, 5)
C1 = mb._nest_class(C0, 'C1', 6, 9, [''])
C2 = mb._nest_class(C1, 'C2', 7, 9)
F3 = mb._nest_function(C2, 'F3', 9, 9)
f0 = mb.Function(module, 'f0', fname, 11, end_lineno=15)
f1 = mb._nest_function(f0, 'f1', 12, 14)
f2 = mb._nest_function(f1, 'f2', 13, 13)
c1 = mb._nest_class(f0, 'c1', 15, 15)
mock_pyclbr_tree = {'C0': C0, 'f0': f0}
# Adjust C0.name, C1.name so tests do not depend on order.
browser.transform_children(mock_pyclbr_tree, 'test') # C0(base)
browser.transform_children(C0.children) # C1()
# The class below checks that the calls above are correct
# and that duplicate calls have no effect.
class TransformChildrenTest(unittest.TestCase):
def test_transform_module_children(self):
eq = self.assertEqual
transform = browser.transform_children
# Parameter matches tree module.
tcl = list(transform(mock_pyclbr_tree, 'test'))
eq(tcl, [C0, f0])
eq(tcl[0].name, 'C0(base)')
eq(tcl[1].name, 'f0')
# Check that second call does not change suffix.
tcl = list(transform(mock_pyclbr_tree, 'test'))
eq(tcl[0].name, 'C0(base)')
# Nothing to traverse if parameter name isn't same as tree module.
tcl = list(transform(mock_pyclbr_tree, 'different name'))
eq(tcl, [])
def test_transform_node_children(self):
eq = self.assertEqual
transform = browser.transform_children
# Class with two children, one name altered.
tcl = list(transform(C0.children))
eq(tcl, [F1, C1])
eq(tcl[0].name, 'F1')
eq(tcl[1].name, 'C1()')
tcl = list(transform(C0.children))
eq(tcl[1].name, 'C1()')
# Function with two children.
eq(list(transform(f0.children)), [f1, c1])
class ModuleBrowserTreeItemTest(unittest.TestCase):
@classmethod
def setUpClass(cls):
cls.mbt = browser.ModuleBrowserTreeItem(fname)
def test_init(self):
self.assertEqual(self.mbt.file, fname)
def test_gettext(self):
self.assertEqual(self.mbt.GetText(), fname)
def test_geticonname(self):
self.assertEqual(self.mbt.GetIconName(), 'python')
def test_isexpandable(self):
self.assertTrue(self.mbt.IsExpandable())
def test_listchildren(self):
save_rex = browser.pyclbr.readmodule_ex
save_tc = browser.transform_children
browser.pyclbr.readmodule_ex = Func(result=mock_pyclbr_tree)
browser.transform_children = Func(result=[f0, C0])
try:
self.assertEqual(self.mbt.listchildren(), [f0, C0])
finally:
browser.pyclbr.readmodule_ex = save_rex
browser.transform_children = save_tc
def test_getsublist(self):
mbt = self.mbt
mbt.listchildren = Func(result=[f0, C0])
sub0, sub1 = mbt.GetSubList()
del mbt.listchildren
self.assertIsInstance(sub0, browser.ChildBrowserTreeItem)
self.assertIsInstance(sub1, browser.ChildBrowserTreeItem)
self.assertEqual(sub0.name, 'f0')
self.assertEqual(sub1.name, 'C0(base)')
@mock.patch('idlelib.browser.file_open')
def test_ondoubleclick(self, fopen):
mbt = self.mbt
with mock.patch('os.path.exists', return_value=False):
mbt.OnDoubleClick()
fopen.assert_not_called()
with mock.patch('os.path.exists', return_value=True):
mbt.OnDoubleClick()
fopen.assert_called_once_with(fname)
class ChildBrowserTreeItemTest(unittest.TestCase):
@classmethod
def setUpClass(cls):
CBT = browser.ChildBrowserTreeItem
cls.cbt_f1 = CBT(f1)
cls.cbt_C1 = CBT(C1)
cls.cbt_F1 = CBT(F1)
@classmethod
def tearDownClass(cls):
del cls.cbt_C1, cls.cbt_f1, cls.cbt_F1
def test_init(self):
eq = self.assertEqual
eq(self.cbt_C1.name, 'C1()')
self.assertFalse(self.cbt_C1.isfunction)
eq(self.cbt_f1.name, 'f1')
self.assertTrue(self.cbt_f1.isfunction)
def test_gettext(self):
self.assertEqual(self.cbt_C1.GetText(), 'class C1()')
self.assertEqual(self.cbt_f1.GetText(), 'def f1(...)')
def test_geticonname(self):
self.assertEqual(self.cbt_C1.GetIconName(), 'folder')
self.assertEqual(self.cbt_f1.GetIconName(), 'python')
def test_isexpandable(self):
self.assertTrue(self.cbt_C1.IsExpandable())
self.assertTrue(self.cbt_f1.IsExpandable())
self.assertFalse(self.cbt_F1.IsExpandable())
def test_getsublist(self):
eq = self.assertEqual
CBT = browser.ChildBrowserTreeItem
f1sublist = self.cbt_f1.GetSubList()
self.assertIsInstance(f1sublist[0], CBT)
eq(len(f1sublist), 1)
eq(f1sublist[0].name, 'f2')
eq(self.cbt_F1.GetSubList(), [])
@mock.patch('idlelib.browser.file_open')
def test_ondoubleclick(self, fopen):
goto = fopen.return_value.gotoline = mock.Mock()
self.cbt_F1.OnDoubleClick()
fopen.assert_called()
goto.assert_called()
goto.assert_called_with(self.cbt_F1.obj.lineno)
# Failure test would have to raise OSError or AttributeError.
class NestedChildrenTest(unittest.TestCase):
"Test that all the nodes in a nested tree are added to the BrowserTree."
def test_nested(self):
queue = deque()
actual_names = []
# The tree items are processed in breadth first order.
# Verify that processing each sublist hits every node and
# in the right order.
expected_names = ['f0', 'C0(base)',
'f1', 'c1', 'F1', 'C1()',
'f2', 'C2',
'F3']
CBT = browser.ChildBrowserTreeItem
queue.extend((CBT(f0), CBT(C0)))
while queue:
cb = queue.popleft()
sublist = cb.GetSubList()
queue.extend(sublist)
self.assertIn(cb.name, cb.GetText())
self.assertIn(cb.GetIconName(), ('python', 'folder'))
self.assertIs(cb.IsExpandable(), sublist != [])
actual_names.append(cb.name)
self.assertEqual(actual_names, expected_names)
if __name__ == '__main__':
unittest.main(verbosity=2)

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@@ -0,0 +1,365 @@
"Test calltip, coverage 76%"
from idlelib import calltip
import unittest
from unittest.mock import Mock
import textwrap
import types
import re
from idlelib.idle_test.mock_tk import Text
# Test Class TC is used in multiple get_argspec test methods
class TC:
'doc'
tip = "(ai=None, *b)"
def __init__(self, ai=None, *b): 'doc'
__init__.tip = "(self, ai=None, *b)"
def t1(self): 'doc'
t1.tip = "(self)"
def t2(self, ai, b=None): 'doc'
t2.tip = "(self, ai, b=None)"
def t3(self, ai, *args): 'doc'
t3.tip = "(self, ai, *args)"
def t4(self, *args): 'doc'
t4.tip = "(self, *args)"
def t5(self, ai, b=None, *args, **kw): 'doc'
t5.tip = "(self, ai, b=None, *args, **kw)"
def t6(no, self): 'doc'
t6.tip = "(no, self)"
def __call__(self, ci): 'doc'
__call__.tip = "(self, ci)"
def nd(self): pass # No doc.
# attaching .tip to wrapped methods does not work
@classmethod
def cm(cls, a): 'doc'
@staticmethod
def sm(b): 'doc'
tc = TC()
default_tip = calltip._default_callable_argspec
get_spec = calltip.get_argspec
class Get_argspecTest(unittest.TestCase):
# The get_spec function must return a string, even if blank.
# Test a variety of objects to be sure that none cause it to raise
# (quite aside from getting as correct an answer as possible).
# The tests of builtins may break if inspect or the docstrings change,
# but a red buildbot is better than a user crash (as has happened).
# For a simple mismatch, change the expected output to the actual.
def test_builtins(self):
def tiptest(obj, out):
self.assertEqual(get_spec(obj), out)
# Python class that inherits builtin methods
class List(list): "List() doc"
# Simulate builtin with no docstring for default tip test
class SB: __call__ = None
if List.__doc__ is not None:
tiptest(List,
f'(iterable=(), /)'
f'\n{List.__doc__}')
tiptest(list.__new__,
'(*args, **kwargs)\n'
'Create and return a new object. '
'See help(type) for accurate signature.')
tiptest(list.__init__,
'(self, /, *args, **kwargs)\n'
'Initialize self. See help(type(self)) for accurate signature.')
append_doc = "\nAppend object to the end of the list."
tiptest(list.append, '(self, object, /)' + append_doc)
tiptest(List.append, '(self, object, /)' + append_doc)
tiptest([].append, '(object, /)' + append_doc)
tiptest(types.MethodType,
'(function, instance, /)\n'
'Create a bound instance method object.')
tiptest(SB(), default_tip)
p = re.compile('')
tiptest(re.sub, '''\
(pattern, repl, string, count=0, flags=0)
Return the string obtained by replacing the leftmost
non-overlapping occurrences of the pattern in string by the
replacement repl. repl can be either a string or a callable;
if a string, backslash escapes in it are processed. If it is
a callable, it's passed the Match object and must return''')
tiptest(p.sub, '''\
(repl, string, count=0)
Return the string obtained by replacing the leftmost \
non-overlapping occurrences o...''')
def test_signature_wrap(self):
if textwrap.TextWrapper.__doc__ is not None:
self.assertEqual(get_spec(textwrap.TextWrapper), '''\
(width=70, initial_indent='', subsequent_indent='', expand_tabs=True,
replace_whitespace=True, fix_sentence_endings=False, break_long_words=True,
drop_whitespace=True, break_on_hyphens=True, tabsize=8, *, max_lines=None,
placeholder=' [...]')
Object for wrapping/filling text. The public interface consists of
the wrap() and fill() methods; the other methods are just there for
subclasses to override in order to tweak the default behaviour.
If you want to completely replace the main wrapping algorithm,
you\'ll probably have to override _wrap_chunks().''')
def test_properly_formatted(self):
def foo(s='a'*100):
pass
def bar(s='a'*100):
"""Hello Guido"""
pass
def baz(s='a'*100, z='b'*100):
pass
indent = calltip._INDENT
sfoo = "(s='aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"\
"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n" + indent + "aaaaaaaaa"\
"aaaaaaaaaa')"
sbar = "(s='aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"\
"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n" + indent + "aaaaaaaaa"\
"aaaaaaaaaa')\nHello Guido"
sbaz = "(s='aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"\
"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n" + indent + "aaaaaaaaa"\
"aaaaaaaaaa', z='bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb"\
"bbbbbbbbbbbbbbbbb\n" + indent + "bbbbbbbbbbbbbbbbbbbbbb"\
"bbbbbbbbbbbbbbbbbbbbbb')"
for func,doc in [(foo, sfoo), (bar, sbar), (baz, sbaz)]:
with self.subTest(func=func, doc=doc):
self.assertEqual(get_spec(func), doc)
def test_docline_truncation(self):
def f(): pass
f.__doc__ = 'a'*300
self.assertEqual(get_spec(f), f"()\n{'a'*(calltip._MAX_COLS-3) + '...'}")
def test_multiline_docstring(self):
# Test fewer lines than max.
self.assertEqual(get_spec(range),
"range(stop) -> range object\n"
"range(start, stop[, step]) -> range object")
# Test max lines
self.assertEqual(get_spec(bytes), '''\
bytes(iterable_of_ints) -> bytes
bytes(string, encoding[, errors]) -> bytes
bytes(bytes_or_buffer) -> immutable copy of bytes_or_buffer
bytes(int) -> bytes object of size given by the parameter initialized with null bytes
bytes() -> empty bytes object''')
# Test more than max lines
def f(): pass
f.__doc__ = 'a\n' * 15
self.assertEqual(get_spec(f), '()' + '\na' * calltip._MAX_LINES)
def test_functions(self):
def t1(): 'doc'
t1.tip = "()"
def t2(a, b=None): 'doc'
t2.tip = "(a, b=None)"
def t3(a, *args): 'doc'
t3.tip = "(a, *args)"
def t4(*args): 'doc'
t4.tip = "(*args)"
def t5(a, b=None, *args, **kw): 'doc'
t5.tip = "(a, b=None, *args, **kw)"
doc = '\ndoc' if t1.__doc__ is not None else ''
for func in (t1, t2, t3, t4, t5, TC):
with self.subTest(func=func):
self.assertEqual(get_spec(func), func.tip + doc)
def test_methods(self):
doc = '\ndoc' if TC.__doc__ is not None else ''
for meth in (TC.t1, TC.t2, TC.t3, TC.t4, TC.t5, TC.t6, TC.__call__):
with self.subTest(meth=meth):
self.assertEqual(get_spec(meth), meth.tip + doc)
self.assertEqual(get_spec(TC.cm), "(a)" + doc)
self.assertEqual(get_spec(TC.sm), "(b)" + doc)
def test_bound_methods(self):
# test that first parameter is correctly removed from argspec
doc = '\ndoc' if TC.__doc__ is not None else ''
for meth, mtip in ((tc.t1, "()"), (tc.t4, "(*args)"),
(tc.t6, "(self)"), (tc.__call__, '(ci)'),
(tc, '(ci)'), (TC.cm, "(a)"),):
with self.subTest(meth=meth, mtip=mtip):
self.assertEqual(get_spec(meth), mtip + doc)
def test_starred_parameter(self):
# test that starred first parameter is *not* removed from argspec
class C:
def m1(*args): pass
c = C()
for meth, mtip in ((C.m1, '(*args)'), (c.m1, "(*args)"),):
with self.subTest(meth=meth, mtip=mtip):
self.assertEqual(get_spec(meth), mtip)
def test_invalid_method_get_spec(self):
class C:
def m2(**kwargs): pass
class Test:
def __call__(*, a): pass
mtip = calltip._invalid_method
self.assertEqual(get_spec(C().m2), mtip)
self.assertEqual(get_spec(Test()), mtip)
def test_non_ascii_name(self):
# test that re works to delete a first parameter name that
# includes non-ascii chars, such as various forms of A.
uni = "(A\u0391\u0410\u05d0\u0627\u0905\u1e00\u3042, a)"
assert calltip._first_param.sub('', uni) == '(a)'
def test_no_docstring(self):
for meth, mtip in ((TC.nd, "(self)"), (tc.nd, "()")):
with self.subTest(meth=meth, mtip=mtip):
self.assertEqual(get_spec(meth), mtip)
def test_buggy_getattr_class(self):
class NoCall:
def __getattr__(self, name): # Not invoked for class attribute.
raise IndexError # Bug.
class CallA(NoCall):
def __call__(self, ci): # Bug does not matter.
pass
class CallB(NoCall):
def __call__(oui, a, b, c): # Non-standard 'self'.
pass
for meth, mtip in ((NoCall, default_tip), (CallA, default_tip),
(NoCall(), ''), (CallA(), '(ci)'),
(CallB(), '(a, b, c)')):
with self.subTest(meth=meth, mtip=mtip):
self.assertEqual(get_spec(meth), mtip)
def test_metaclass_class(self): # Failure case for issue 38689.
class Type(type): # Type() requires 3 type args, returns class.
__class__ = property({}.__getitem__, {}.__setitem__)
class Object(metaclass=Type):
__slots__ = '__class__'
for meth, mtip in ((Type, get_spec(type)), (Object, default_tip),
(Object(), '')):
with self.subTest(meth=meth, mtip=mtip):
self.assertEqual(get_spec(meth), mtip)
def test_non_callables(self):
for obj in (0, 0.0, '0', b'0', [], {}):
with self.subTest(obj=obj):
self.assertEqual(get_spec(obj), '')
class Get_entityTest(unittest.TestCase):
def test_bad_entity(self):
self.assertIsNone(calltip.get_entity('1/0'))
def test_good_entity(self):
self.assertIs(calltip.get_entity('int'), int)
# Test the 9 Calltip methods.
# open_calltip is about half the code; the others are fairly trivial.
# The default mocks are what are needed for open_calltip.
class mock_Shell:
"Return mock sufficient to pass to hyperparser."
def __init__(self, text):
text.tag_prevrange = Mock(return_value=None)
self.text = text
self.prompt_last_line = ">>> "
self.indentwidth = 4
self.tabwidth = 8
class mock_TipWindow:
def __init__(self):
pass
def showtip(self, text, parenleft, parenright):
self.args = parenleft, parenright
self.parenline, self.parencol = map(int, parenleft.split('.'))
class WrappedCalltip(calltip.Calltip):
def _make_tk_calltip_window(self):
return mock_TipWindow()
def remove_calltip_window(self, event=None):
if self.active_calltip: # Setup to None.
self.active_calltip = None
self.tips_removed += 1 # Setup to 0.
def fetch_tip(self, expression):
return 'tip'
class CalltipTest(unittest.TestCase):
@classmethod
def setUpClass(cls):
cls.text = Text()
cls.ct = WrappedCalltip(mock_Shell(cls.text))
def setUp(self):
self.text.delete('1.0', 'end') # Insert and call
self.ct.active_calltip = None
# Test .active_calltip, +args
self.ct.tips_removed = 0
def open_close(self, testfunc):
# Open-close template with testfunc called in between.
opentip = self.ct.open_calltip
self.text.insert(1.0, 'f(')
opentip(False)
self.tip = self.ct.active_calltip
testfunc(self) ###
self.text.insert('insert', ')')
opentip(False)
self.assertIsNone(self.ct.active_calltip, None)
def test_open_close(self):
def args(self):
self.assertEqual(self.tip.args, ('1.1', '1.end'))
self.open_close(args)
def test_repeated_force(self):
def force(self):
for char in 'abc':
self.text.insert('insert', 'a')
self.ct.open_calltip(True)
self.ct.open_calltip(True)
self.assertIs(self.ct.active_calltip, self.tip)
self.open_close(force)
def test_repeated_parens(self):
def parens(self):
for context in "a", "'":
with self.subTest(context=context):
self.text.insert('insert', context)
for char in '(()())':
self.text.insert('insert', char)
self.assertIs(self.ct.active_calltip, self.tip)
self.text.insert('insert', "'")
self.open_close(parens)
def test_comment_parens(self):
def comment(self):
self.text.insert('insert', "# ")
for char in '(()())':
self.text.insert('insert', char)
self.assertIs(self.ct.active_calltip, self.tip)
self.text.insert('insert', "\n")
self.open_close(comment)
if __name__ == '__main__':
unittest.main(verbosity=2)

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@@ -0,0 +1,29 @@
"Test calltip_w, coverage 18%."
from idlelib import calltip_w
import unittest
from test.support import requires
from tkinter import Tk, Text
class CallTipWindowTest(unittest.TestCase):
@classmethod
def setUpClass(cls):
requires('gui')
cls.root = Tk()
cls.root.withdraw()
cls.text = Text(cls.root)
cls.calltip = calltip_w.CalltipWindow(cls.text)
@classmethod
def tearDownClass(cls):
cls.root.update_idletasks()
cls.root.destroy()
del cls.text, cls.root
def test_init(self):
self.assertEqual(self.calltip.anchor_widget, self.text)
if __name__ == '__main__':
unittest.main(verbosity=2)

View File

@@ -0,0 +1,455 @@
"Test codecontext, coverage 100%"
from idlelib import codecontext
import unittest
import unittest.mock
from test.support import requires
from tkinter import NSEW, Tk, Frame, Text, TclError
from unittest import mock
import re
from idlelib import config
usercfg = codecontext.idleConf.userCfg
testcfg = {
'main': config.IdleUserConfParser(''),
'highlight': config.IdleUserConfParser(''),
'keys': config.IdleUserConfParser(''),
'extensions': config.IdleUserConfParser(''),
}
code_sample = """\
class C1:
# Class comment.
def __init__(self, a, b):
self.a = a
self.b = b
def compare(self):
if a > b:
return a
elif a < b:
return b
else:
return None
"""
class DummyEditwin:
def __init__(self, root, frame, text):
self.root = root
self.top = root
self.text_frame = frame
self.text = text
self.label = ''
def getlineno(self, index):
return int(float(self.text.index(index)))
def update_menu_label(self, **kwargs):
self.label = kwargs['label']
class CodeContextTest(unittest.TestCase):
@classmethod
def setUpClass(cls):
requires('gui')
root = cls.root = Tk()
root.withdraw()
frame = cls.frame = Frame(root)
text = cls.text = Text(frame)
text.insert('1.0', code_sample)
# Need to pack for creation of code context text widget.
frame.pack(side='left', fill='both', expand=1)
text.grid(row=1, column=1, sticky=NSEW)
cls.editor = DummyEditwin(root, frame, text)
codecontext.idleConf.userCfg = testcfg
@classmethod
def tearDownClass(cls):
codecontext.idleConf.userCfg = usercfg
cls.editor.text.delete('1.0', 'end')
del cls.editor, cls.frame, cls.text
cls.root.update_idletasks()
cls.root.destroy()
del cls.root
def setUp(self):
self.text.yview(0)
self.text['font'] = 'TkFixedFont'
self.cc = codecontext.CodeContext(self.editor)
self.highlight_cfg = {"background": '#abcdef',
"foreground": '#123456'}
orig_idleConf_GetHighlight = codecontext.idleConf.GetHighlight
def mock_idleconf_GetHighlight(theme, element):
if element == 'context':
return self.highlight_cfg
return orig_idleConf_GetHighlight(theme, element)
GetHighlight_patcher = unittest.mock.patch.object(
codecontext.idleConf, 'GetHighlight', mock_idleconf_GetHighlight)
GetHighlight_patcher.start()
self.addCleanup(GetHighlight_patcher.stop)
self.font_override = 'TkFixedFont'
def mock_idleconf_GetFont(root, configType, section):
return self.font_override
GetFont_patcher = unittest.mock.patch.object(
codecontext.idleConf, 'GetFont', mock_idleconf_GetFont)
GetFont_patcher.start()
self.addCleanup(GetFont_patcher.stop)
def tearDown(self):
if self.cc.context:
self.cc.context.destroy()
# Explicitly call __del__ to remove scheduled scripts.
self.cc.__del__()
del self.cc.context, self.cc
def test_init(self):
eq = self.assertEqual
ed = self.editor
cc = self.cc
eq(cc.editwin, ed)
eq(cc.text, ed.text)
eq(cc.text['font'], ed.text['font'])
self.assertIsNone(cc.context)
eq(cc.info, [(0, -1, '', False)])
eq(cc.topvisible, 1)
self.assertIsNone(self.cc.t1)
def test_del(self):
self.cc.__del__()
def test_del_with_timer(self):
timer = self.cc.t1 = self.text.after(10000, lambda: None)
self.cc.__del__()
with self.assertRaises(TclError) as cm:
self.root.tk.call('after', 'info', timer)
self.assertIn("doesn't exist", str(cm.exception))
def test_reload(self):
codecontext.CodeContext.reload()
self.assertEqual(self.cc.context_depth, 15)
def test_toggle_code_context_event(self):
eq = self.assertEqual
cc = self.cc
toggle = cc.toggle_code_context_event
# Make sure code context is off.
if cc.context:
toggle()
# Toggle on.
toggle()
self.assertIsNotNone(cc.context)
eq(cc.context['font'], self.text['font'])
eq(cc.context['fg'], self.highlight_cfg['foreground'])
eq(cc.context['bg'], self.highlight_cfg['background'])
eq(cc.context.get('1.0', 'end-1c'), '')
eq(cc.editwin.label, 'Hide Code Context')
eq(self.root.tk.call('after', 'info', self.cc.t1)[1], 'timer')
# Toggle off.
toggle()
self.assertIsNone(cc.context)
eq(cc.editwin.label, 'Show Code Context')
self.assertIsNone(self.cc.t1)
# Scroll down and toggle back on.
line11_context = '\n'.join(x[2] for x in cc.get_context(11)[0])
cc.text.yview(11)
toggle()
eq(cc.context.get('1.0', 'end-1c'), line11_context)
# Toggle off and on again.
toggle()
toggle()
eq(cc.context.get('1.0', 'end-1c'), line11_context)
def test_get_context(self):
eq = self.assertEqual
gc = self.cc.get_context
# stopline must be greater than 0.
with self.assertRaises(AssertionError):
gc(1, stopline=0)
eq(gc(3), ([(2, 0, 'class C1:', 'class')], 0))
# Don't return comment.
eq(gc(4), ([(2, 0, 'class C1:', 'class')], 0))
# Two indentation levels and no comment.
eq(gc(5), ([(2, 0, 'class C1:', 'class'),
(4, 4, ' def __init__(self, a, b):', 'def')], 0))
# Only one 'def' is returned, not both at the same indent level.
eq(gc(10), ([(2, 0, 'class C1:', 'class'),
(7, 4, ' def compare(self):', 'def'),
(8, 8, ' if a > b:', 'if')], 0))
# With 'elif', also show the 'if' even though it's at the same level.
eq(gc(11), ([(2, 0, 'class C1:', 'class'),
(7, 4, ' def compare(self):', 'def'),
(8, 8, ' if a > b:', 'if'),
(10, 8, ' elif a < b:', 'elif')], 0))
# Set stop_line to not go back to first line in source code.
# Return includes stop_line.
eq(gc(11, stopline=2), ([(2, 0, 'class C1:', 'class'),
(7, 4, ' def compare(self):', 'def'),
(8, 8, ' if a > b:', 'if'),
(10, 8, ' elif a < b:', 'elif')], 0))
eq(gc(11, stopline=3), ([(7, 4, ' def compare(self):', 'def'),
(8, 8, ' if a > b:', 'if'),
(10, 8, ' elif a < b:', 'elif')], 4))
eq(gc(11, stopline=8), ([(8, 8, ' if a > b:', 'if'),
(10, 8, ' elif a < b:', 'elif')], 8))
# Set stop_indent to test indent level to stop at.
eq(gc(11, stopindent=4), ([(7, 4, ' def compare(self):', 'def'),
(8, 8, ' if a > b:', 'if'),
(10, 8, ' elif a < b:', 'elif')], 4))
# Check that the 'if' is included.
eq(gc(11, stopindent=8), ([(8, 8, ' if a > b:', 'if'),
(10, 8, ' elif a < b:', 'elif')], 8))
def test_update_code_context(self):
eq = self.assertEqual
cc = self.cc
# Ensure code context is active.
if not cc.context:
cc.toggle_code_context_event()
# Invoke update_code_context without scrolling - nothing happens.
self.assertIsNone(cc.update_code_context())
eq(cc.info, [(0, -1, '', False)])
eq(cc.topvisible, 1)
# Scroll down to line 1.
cc.text.yview(1)
cc.update_code_context()
eq(cc.info, [(0, -1, '', False)])
eq(cc.topvisible, 2)
eq(cc.context.get('1.0', 'end-1c'), '')
# Scroll down to line 2.
cc.text.yview(2)
cc.update_code_context()
eq(cc.info, [(0, -1, '', False), (2, 0, 'class C1:', 'class')])
eq(cc.topvisible, 3)
eq(cc.context.get('1.0', 'end-1c'), 'class C1:')
# Scroll down to line 3. Since it's a comment, nothing changes.
cc.text.yview(3)
cc.update_code_context()
eq(cc.info, [(0, -1, '', False), (2, 0, 'class C1:', 'class')])
eq(cc.topvisible, 4)
eq(cc.context.get('1.0', 'end-1c'), 'class C1:')
# Scroll down to line 4.
cc.text.yview(4)
cc.update_code_context()
eq(cc.info, [(0, -1, '', False),
(2, 0, 'class C1:', 'class'),
(4, 4, ' def __init__(self, a, b):', 'def')])
eq(cc.topvisible, 5)
eq(cc.context.get('1.0', 'end-1c'), 'class C1:\n'
' def __init__(self, a, b):')
# Scroll down to line 11. Last 'def' is removed.
cc.text.yview(11)
cc.update_code_context()
eq(cc.info, [(0, -1, '', False),
(2, 0, 'class C1:', 'class'),
(7, 4, ' def compare(self):', 'def'),
(8, 8, ' if a > b:', 'if'),
(10, 8, ' elif a < b:', 'elif')])
eq(cc.topvisible, 12)
eq(cc.context.get('1.0', 'end-1c'), 'class C1:\n'
' def compare(self):\n'
' if a > b:\n'
' elif a < b:')
# No scroll. No update, even though context_depth changed.
cc.update_code_context()
cc.context_depth = 1
eq(cc.info, [(0, -1, '', False),
(2, 0, 'class C1:', 'class'),
(7, 4, ' def compare(self):', 'def'),
(8, 8, ' if a > b:', 'if'),
(10, 8, ' elif a < b:', 'elif')])
eq(cc.topvisible, 12)
eq(cc.context.get('1.0', 'end-1c'), 'class C1:\n'
' def compare(self):\n'
' if a > b:\n'
' elif a < b:')
# Scroll up.
cc.text.yview(5)
cc.update_code_context()
eq(cc.info, [(0, -1, '', False),
(2, 0, 'class C1:', 'class'),
(4, 4, ' def __init__(self, a, b):', 'def')])
eq(cc.topvisible, 6)
# context_depth is 1.
eq(cc.context.get('1.0', 'end-1c'), ' def __init__(self, a, b):')
def test_jumptoline(self):
eq = self.assertEqual
cc = self.cc
jump = cc.jumptoline
if not cc.context:
cc.toggle_code_context_event()
# Empty context.
cc.text.yview('2.0')
cc.update_code_context()
eq(cc.topvisible, 2)
cc.context.mark_set('insert', '1.5')
jump()
eq(cc.topvisible, 1)
# 4 lines of context showing.
cc.text.yview('12.0')
cc.update_code_context()
eq(cc.topvisible, 12)
cc.context.mark_set('insert', '3.0')
jump()
eq(cc.topvisible, 8)
# More context lines than limit.
cc.context_depth = 2
cc.text.yview('12.0')
cc.update_code_context()
eq(cc.topvisible, 12)
cc.context.mark_set('insert', '1.0')
jump()
eq(cc.topvisible, 8)
# Context selection stops jump.
cc.text.yview('5.0')
cc.update_code_context()
cc.context.tag_add('sel', '1.0', '2.0')
cc.context.mark_set('insert', '1.0')
jump() # Without selection, to line 2.
eq(cc.topvisible, 5)
@mock.patch.object(codecontext.CodeContext, 'update_code_context')
def test_timer_event(self, mock_update):
# Ensure code context is not active.
if self.cc.context:
self.cc.toggle_code_context_event()
self.cc.timer_event()
mock_update.assert_not_called()
# Activate code context.
self.cc.toggle_code_context_event()
self.cc.timer_event()
mock_update.assert_called()
def test_font(self):
eq = self.assertEqual
cc = self.cc
orig_font = cc.text['font']
test_font = 'TkTextFont'
self.assertNotEqual(orig_font, test_font)
# Ensure code context is not active.
if cc.context is not None:
cc.toggle_code_context_event()
self.font_override = test_font
# Nothing breaks or changes with inactive code context.
cc.update_font()
# Activate code context, previous font change is immediately effective.
cc.toggle_code_context_event()
eq(cc.context['font'], test_font)
# Call the font update, change is picked up.
self.font_override = orig_font
cc.update_font()
eq(cc.context['font'], orig_font)
def test_highlight_colors(self):
eq = self.assertEqual
cc = self.cc
orig_colors = dict(self.highlight_cfg)
test_colors = {'background': '#222222', 'foreground': '#ffff00'}
def assert_colors_are_equal(colors):
eq(cc.context['background'], colors['background'])
eq(cc.context['foreground'], colors['foreground'])
# Ensure code context is not active.
if cc.context:
cc.toggle_code_context_event()
self.highlight_cfg = test_colors
# Nothing breaks with inactive code context.
cc.update_highlight_colors()
# Activate code context, previous colors change is immediately effective.
cc.toggle_code_context_event()
assert_colors_are_equal(test_colors)
# Call colors update with no change to the configured colors.
cc.update_highlight_colors()
assert_colors_are_equal(test_colors)
# Call the colors update with code context active, change is picked up.
self.highlight_cfg = orig_colors
cc.update_highlight_colors()
assert_colors_are_equal(orig_colors)
class HelperFunctionText(unittest.TestCase):
def test_get_spaces_firstword(self):
get = codecontext.get_spaces_firstword
test_lines = (
(' first word', (' ', 'first')),
('\tfirst word', ('\t', 'first')),
(' \u19D4\u19D2: ', (' ', '\u19D4\u19D2')),
('no spaces', ('', 'no')),
('', ('', '')),
('# TEST COMMENT', ('', '')),
(' (continuation)', (' ', ''))
)
for line, expected_output in test_lines:
self.assertEqual(get(line), expected_output)
# Send the pattern in the call.
self.assertEqual(get(' (continuation)',
c=re.compile(r'^(\s*)([^\s]*)')),
(' ', '(continuation)'))
def test_get_line_info(self):
eq = self.assertEqual
gli = codecontext.get_line_info
lines = code_sample.splitlines()
# Line 1 is not a BLOCKOPENER.
eq(gli(lines[0]), (codecontext.INFINITY, '', False))
# Line 2 is a BLOCKOPENER without an indent.
eq(gli(lines[1]), (0, 'class C1:', 'class'))
# Line 3 is not a BLOCKOPENER and does not return the indent level.
eq(gli(lines[2]), (codecontext.INFINITY, ' # Class comment.', False))
# Line 4 is a BLOCKOPENER and is indented.
eq(gli(lines[3]), (4, ' def __init__(self, a, b):', 'def'))
# Line 8 is a different BLOCKOPENER and is indented.
eq(gli(lines[7]), (8, ' if a > b:', 'if'))
# Test tab.
eq(gli('\tif a == b:'), (1, '\tif a == b:', 'if'))
if __name__ == '__main__':
unittest.main(verbosity=2)

View File

@@ -0,0 +1,622 @@
"Test colorizer, coverage 99%."
from idlelib import colorizer
from test.support import requires
import unittest
from unittest import mock
from idlelib.idle_test.tkinter_testing_utils import run_in_tk_mainloop
from functools import partial
import textwrap
from tkinter import Tk, Text
from idlelib import config
from idlelib.percolator import Percolator
usercfg = colorizer.idleConf.userCfg
testcfg = {
'main': config.IdleUserConfParser(''),
'highlight': config.IdleUserConfParser(''),
'keys': config.IdleUserConfParser(''),
'extensions': config.IdleUserConfParser(''),
}
source = textwrap.dedent("""\
if True: int ('1') # keyword, builtin, string, comment
elif False: print(0) # 'string' in comment
else: float(None) # if in comment
if iF + If + IF: 'keyword matching must respect case'
if'': x or'' # valid keyword-string no-space combinations
async def f(): await g()
# Strings should be entirely colored, including quotes.
'x', '''x''', "x", \"""x\"""
'abc\\
def'
'''abc\\
def'''
# All valid prefixes for unicode and byte strings should be colored.
r'x', u'x', R'x', U'x', f'x', F'x'
fr'x', Fr'x', fR'x', FR'x', rf'x', rF'x', Rf'x', RF'x'
b'x',B'x', br'x',Br'x',bR'x',BR'x', rb'x', rB'x',Rb'x',RB'x'
# Invalid combinations of legal characters should be half colored.
ur'x', ru'x', uf'x', fu'x', UR'x', ufr'x', rfu'x', xf'x', fx'x'
match point:
case (x, 0) as _:
print(f"X={x}")
case [_, [_], "_",
_]:
pass
case _ if ("a" if _ else set()): pass
case _:
raise ValueError("Not a point _")
'''
case _:'''
"match x:"
""")
def setUpModule():
colorizer.idleConf.userCfg = testcfg
def tearDownModule():
colorizer.idleConf.userCfg = usercfg
class FunctionTest(unittest.TestCase):
def test_any(self):
self.assertEqual(colorizer.any('test', ('a', 'b', 'cd')),
'(?P<test>a|b|cd)')
def test_make_pat(self):
# Tested in more detail by testing prog.
self.assertTrue(colorizer.make_pat())
def test_prog(self):
prog = colorizer.prog
eq = self.assertEqual
line = 'def f():\n print("hello")\n'
m = prog.search(line)
eq(m.groupdict()['KEYWORD'], 'def')
m = prog.search(line, m.end())
eq(m.groupdict()['SYNC'], '\n')
m = prog.search(line, m.end())
eq(m.groupdict()['BUILTIN'], 'print')
m = prog.search(line, m.end())
eq(m.groupdict()['STRING'], '"hello"')
m = prog.search(line, m.end())
eq(m.groupdict()['SYNC'], '\n')
def test_idprog(self):
idprog = colorizer.idprog
m = idprog.match('nospace')
self.assertIsNone(m)
m = idprog.match(' space')
self.assertEqual(m.group(0), ' space')
class ColorConfigTest(unittest.TestCase):
@classmethod
def setUpClass(cls):
requires('gui')
root = cls.root = Tk()
root.withdraw()
cls.text = Text(root)
@classmethod
def tearDownClass(cls):
del cls.text
cls.root.update_idletasks()
cls.root.destroy()
del cls.root
def test_color_config(self):
text = self.text
eq = self.assertEqual
colorizer.color_config(text)
# Uses IDLE Classic theme as default.
eq(text['background'], '#ffffff')
eq(text['foreground'], '#000000')
eq(text['selectbackground'], 'gray')
eq(text['selectforeground'], '#000000')
eq(text['insertbackground'], 'black')
eq(text['inactiveselectbackground'], 'gray')
class ColorDelegatorInstantiationTest(unittest.TestCase):
@classmethod
def setUpClass(cls):
requires('gui')
root = cls.root = Tk()
root.withdraw()
cls.text = Text(root)
@classmethod
def tearDownClass(cls):
del cls.text
cls.root.update_idletasks()
cls.root.destroy()
del cls.root
def setUp(self):
self.color = colorizer.ColorDelegator()
def tearDown(self):
self.color.close()
self.text.delete('1.0', 'end')
self.color.resetcache()
del self.color
def test_init(self):
color = self.color
self.assertIsInstance(color, colorizer.ColorDelegator)
def test_init_state(self):
# init_state() is called during the instantiation of
# ColorDelegator in setUp().
color = self.color
self.assertIsNone(color.after_id)
self.assertTrue(color.allow_colorizing)
self.assertFalse(color.colorizing)
self.assertFalse(color.stop_colorizing)
class ColorDelegatorTest(unittest.TestCase):
@classmethod
def setUpClass(cls):
requires('gui')
root = cls.root = Tk()
root.withdraw()
text = cls.text = Text(root)
cls.percolator = Percolator(text)
# Delegator stack = [Delegator(text)]
@classmethod
def tearDownClass(cls):
cls.percolator.close()
del cls.percolator, cls.text
cls.root.update_idletasks()
cls.root.destroy()
del cls.root
def setUp(self):
self.color = colorizer.ColorDelegator()
self.percolator.insertfilter(self.color)
# Calls color.setdelegate(Delegator(text)).
def tearDown(self):
self.color.close()
self.percolator.removefilter(self.color)
self.text.delete('1.0', 'end')
self.color.resetcache()
del self.color
def test_setdelegate(self):
# Called in setUp when filter is attached to percolator.
color = self.color
self.assertIsInstance(color.delegate, colorizer.Delegator)
# It is too late to mock notify_range, so test side effect.
self.assertEqual(self.root.tk.call(
'after', 'info', color.after_id)[1], 'timer')
def test_LoadTagDefs(self):
highlight = partial(config.idleConf.GetHighlight, theme='IDLE Classic')
for tag, colors in self.color.tagdefs.items():
with self.subTest(tag=tag):
self.assertIn('background', colors)
self.assertIn('foreground', colors)
if tag not in ('SYNC', 'TODO'):
self.assertEqual(colors, highlight(element=tag.lower()))
def test_config_colors(self):
text = self.text
highlight = partial(config.idleConf.GetHighlight, theme='IDLE Classic')
for tag in self.color.tagdefs:
for plane in ('background', 'foreground'):
with self.subTest(tag=tag, plane=plane):
if tag in ('SYNC', 'TODO'):
self.assertEqual(text.tag_cget(tag, plane), '')
else:
self.assertEqual(text.tag_cget(tag, plane),
highlight(element=tag.lower())[plane])
# 'sel' is marked as the highest priority.
self.assertEqual(text.tag_names()[-1], 'sel')
@mock.patch.object(colorizer.ColorDelegator, 'notify_range')
def test_insert(self, mock_notify):
text = self.text
# Initial text.
text.insert('insert', 'foo')
self.assertEqual(text.get('1.0', 'end'), 'foo\n')
mock_notify.assert_called_with('1.0', '1.0+3c')
# Additional text.
text.insert('insert', 'barbaz')
self.assertEqual(text.get('1.0', 'end'), 'foobarbaz\n')
mock_notify.assert_called_with('1.3', '1.3+6c')
@mock.patch.object(colorizer.ColorDelegator, 'notify_range')
def test_delete(self, mock_notify):
text = self.text
# Initialize text.
text.insert('insert', 'abcdefghi')
self.assertEqual(text.get('1.0', 'end'), 'abcdefghi\n')
# Delete single character.
text.delete('1.7')
self.assertEqual(text.get('1.0', 'end'), 'abcdefgi\n')
mock_notify.assert_called_with('1.7')
# Delete multiple characters.
text.delete('1.3', '1.6')
self.assertEqual(text.get('1.0', 'end'), 'abcgi\n')
mock_notify.assert_called_with('1.3')
def test_notify_range(self):
text = self.text
color = self.color
eq = self.assertEqual
# Colorizing already scheduled.
save_id = color.after_id
eq(self.root.tk.call('after', 'info', save_id)[1], 'timer')
self.assertFalse(color.colorizing)
self.assertFalse(color.stop_colorizing)
self.assertTrue(color.allow_colorizing)
# Coloring scheduled and colorizing in progress.
color.colorizing = True
color.notify_range('1.0', 'end')
self.assertFalse(color.stop_colorizing)
eq(color.after_id, save_id)
# No colorizing scheduled and colorizing in progress.
text.after_cancel(save_id)
color.after_id = None
color.notify_range('1.0', '1.0+3c')
self.assertTrue(color.stop_colorizing)
self.assertIsNotNone(color.after_id)
eq(self.root.tk.call('after', 'info', color.after_id)[1], 'timer')
# New event scheduled.
self.assertNotEqual(color.after_id, save_id)
# No colorizing scheduled and colorizing off.
text.after_cancel(color.after_id)
color.after_id = None
color.allow_colorizing = False
color.notify_range('1.4', '1.4+10c')
# Nothing scheduled when colorizing is off.
self.assertIsNone(color.after_id)
def test_toggle_colorize_event(self):
color = self.color
eq = self.assertEqual
# Starts with colorizing allowed and scheduled.
self.assertFalse(color.colorizing)
self.assertFalse(color.stop_colorizing)
self.assertTrue(color.allow_colorizing)
eq(self.root.tk.call('after', 'info', color.after_id)[1], 'timer')
# Toggle colorizing off.
color.toggle_colorize_event()
self.assertIsNone(color.after_id)
self.assertFalse(color.colorizing)
self.assertFalse(color.stop_colorizing)
self.assertFalse(color.allow_colorizing)
# Toggle on while colorizing in progress (doesn't add timer).
color.colorizing = True
color.toggle_colorize_event()
self.assertIsNone(color.after_id)
self.assertTrue(color.colorizing)
self.assertFalse(color.stop_colorizing)
self.assertTrue(color.allow_colorizing)
# Toggle off while colorizing in progress.
color.toggle_colorize_event()
self.assertIsNone(color.after_id)
self.assertTrue(color.colorizing)
self.assertTrue(color.stop_colorizing)
self.assertFalse(color.allow_colorizing)
# Toggle on while colorizing not in progress.
color.colorizing = False
color.toggle_colorize_event()
eq(self.root.tk.call('after', 'info', color.after_id)[1], 'timer')
self.assertFalse(color.colorizing)
self.assertTrue(color.stop_colorizing)
self.assertTrue(color.allow_colorizing)
@mock.patch.object(colorizer.ColorDelegator, 'recolorize_main')
def test_recolorize(self, mock_recmain):
text = self.text
color = self.color
eq = self.assertEqual
# Call recolorize manually and not scheduled.
text.after_cancel(color.after_id)
# No delegate.
save_delegate = color.delegate
color.delegate = None
color.recolorize()
mock_recmain.assert_not_called()
color.delegate = save_delegate
# Toggle off colorizing.
color.allow_colorizing = False
color.recolorize()
mock_recmain.assert_not_called()
color.allow_colorizing = True
# Colorizing in progress.
color.colorizing = True
color.recolorize()
mock_recmain.assert_not_called()
color.colorizing = False
# Colorizing is done, but not completed, so rescheduled.
color.recolorize()
self.assertFalse(color.stop_colorizing)
self.assertFalse(color.colorizing)
mock_recmain.assert_called()
eq(mock_recmain.call_count, 1)
# Rescheduled when TODO tag still exists.
eq(self.root.tk.call('after', 'info', color.after_id)[1], 'timer')
# No changes to text, so no scheduling added.
text.tag_remove('TODO', '1.0', 'end')
color.recolorize()
self.assertFalse(color.stop_colorizing)
self.assertFalse(color.colorizing)
mock_recmain.assert_called()
eq(mock_recmain.call_count, 2)
self.assertIsNone(color.after_id)
@mock.patch.object(colorizer.ColorDelegator, 'notify_range')
def test_recolorize_main(self, mock_notify):
text = self.text
color = self.color
eq = self.assertEqual
text.insert('insert', source)
expected = (('1.0', ('KEYWORD',)), ('1.2', ()), ('1.3', ('KEYWORD',)),
('1.7', ()), ('1.9', ('BUILTIN',)), ('1.14', ('STRING',)),
('1.19', ('COMMENT',)),
('2.1', ('KEYWORD',)), ('2.18', ()), ('2.25', ('COMMENT',)),
('3.6', ('BUILTIN',)), ('3.12', ('KEYWORD',)), ('3.21', ('COMMENT',)),
('4.0', ('KEYWORD',)), ('4.3', ()), ('4.6', ()),
('5.2', ('STRING',)), ('5.8', ('KEYWORD',)), ('5.10', ('STRING',)),
('6.0', ('KEYWORD',)), ('6.10', ('DEFINITION',)), ('6.11', ()),
('8.0', ('STRING',)), ('8.4', ()), ('8.5', ('STRING',)),
('8.12', ()), ('8.14', ('STRING',)),
('19.0', ('KEYWORD',)),
('20.4', ('KEYWORD',)), ('20.16', ('KEYWORD',)),# ('20.19', ('KEYWORD',)),
#('22.4', ('KEYWORD',)), ('22.10', ('KEYWORD',)), ('22.14', ('KEYWORD',)), ('22.19', ('STRING',)),
#('23.12', ('KEYWORD',)),
('24.8', ('KEYWORD',)),
('25.4', ('KEYWORD',)), ('25.9', ('KEYWORD',)),
('25.11', ('KEYWORD',)), ('25.15', ('STRING',)),
('25.19', ('KEYWORD',)), ('25.22', ()),
('25.24', ('KEYWORD',)), ('25.29', ('BUILTIN',)), ('25.37', ('KEYWORD',)),
('26.4', ('KEYWORD',)), ('26.9', ('KEYWORD',)),# ('26.11', ('KEYWORD',)), ('26.14', (),),
('27.25', ('STRING',)), ('27.38', ('STRING',)),
('29.0', ('STRING',)),
('30.1', ('STRING',)),
# SYNC at the end of every line.
('1.55', ('SYNC',)), ('2.50', ('SYNC',)), ('3.34', ('SYNC',)),
)
# Nothing marked to do therefore no tags in text.
text.tag_remove('TODO', '1.0', 'end')
color.recolorize_main()
for tag in text.tag_names():
with self.subTest(tag=tag):
eq(text.tag_ranges(tag), ())
# Source marked for processing.
text.tag_add('TODO', '1.0', 'end')
# Check some indexes.
color.recolorize_main()
for index, expected_tags in expected:
with self.subTest(index=index):
eq(text.tag_names(index), expected_tags)
# Check for some tags for ranges.
eq(text.tag_nextrange('TODO', '1.0'), ())
eq(text.tag_nextrange('KEYWORD', '1.0'), ('1.0', '1.2'))
eq(text.tag_nextrange('COMMENT', '2.0'), ('2.22', '2.43'))
eq(text.tag_nextrange('SYNC', '2.0'), ('2.43', '3.0'))
eq(text.tag_nextrange('STRING', '2.0'), ('4.17', '4.53'))
eq(text.tag_nextrange('STRING', '8.0'), ('8.0', '8.3'))
eq(text.tag_nextrange('STRING', '8.3'), ('8.5', '8.12'))
eq(text.tag_nextrange('STRING', '8.12'), ('8.14', '8.17'))
eq(text.tag_nextrange('STRING', '8.17'), ('8.19', '8.26'))
eq(text.tag_nextrange('SYNC', '8.0'), ('8.26', '9.0'))
eq(text.tag_nextrange('SYNC', '30.0'), ('30.10', '32.0'))
def _assert_highlighting(self, source, tag_ranges):
"""Check highlighting of a given piece of code.
This inserts just this code into the Text widget. It will then
check that the resulting highlighting tag ranges exactly match
those described in the given `tag_ranges` dict.
Note that the irrelevant tags 'sel', 'TODO' and 'SYNC' are
ignored.
"""
text = self.text
with mock.patch.object(colorizer.ColorDelegator, 'notify_range'):
text.delete('1.0', 'end-1c')
text.insert('insert', source)
text.tag_add('TODO', '1.0', 'end-1c')
self.color.recolorize_main()
# Make a dict with highlighting tag ranges in the Text widget.
text_tag_ranges = {}
for tag in set(text.tag_names()) - {'sel', 'TODO', 'SYNC'}:
indexes = [rng.string for rng in text.tag_ranges(tag)]
for index_pair in zip(indexes[::2], indexes[1::2]):
text_tag_ranges.setdefault(tag, []).append(index_pair)
self.assertEqual(text_tag_ranges, tag_ranges)
with mock.patch.object(colorizer.ColorDelegator, 'notify_range'):
text.delete('1.0', 'end-1c')
def test_def_statement(self):
# empty def
self._assert_highlighting('def', {'KEYWORD': [('1.0', '1.3')]})
# def followed by identifier
self._assert_highlighting('def foo:', {'KEYWORD': [('1.0', '1.3')],
'DEFINITION': [('1.4', '1.7')]})
# def followed by partial identifier
self._assert_highlighting('def fo', {'KEYWORD': [('1.0', '1.3')],
'DEFINITION': [('1.4', '1.6')]})
# def followed by non-keyword
self._assert_highlighting('def ++', {'KEYWORD': [('1.0', '1.3')]})
def test_match_soft_keyword(self):
# empty match
self._assert_highlighting('match', {'KEYWORD': [('1.0', '1.5')]})
# match followed by partial identifier
self._assert_highlighting('match fo', {'KEYWORD': [('1.0', '1.5')]})
# match followed by identifier and colon
self._assert_highlighting('match foo:', {'KEYWORD': [('1.0', '1.5')]})
# match followed by keyword
self._assert_highlighting('match and', {'KEYWORD': [('1.6', '1.9')]})
# match followed by builtin with keyword prefix
self._assert_highlighting('match int:', {'KEYWORD': [('1.0', '1.5')],
'BUILTIN': [('1.6', '1.9')]})
# match followed by non-text operator
self._assert_highlighting('match^', {})
self._assert_highlighting('match @', {})
# match followed by colon
self._assert_highlighting('match :', {})
# match followed by comma
self._assert_highlighting('match\t,', {})
# match followed by a lone underscore
self._assert_highlighting('match _:', {'KEYWORD': [('1.0', '1.5')]})
def test_case_soft_keyword(self):
# empty case
self._assert_highlighting('case', {'KEYWORD': [('1.0', '1.4')]})
# case followed by partial identifier
self._assert_highlighting('case fo', {'KEYWORD': [('1.0', '1.4')]})
# case followed by identifier and colon
self._assert_highlighting('case foo:', {'KEYWORD': [('1.0', '1.4')]})
# case followed by keyword
self._assert_highlighting('case and', {'KEYWORD': [('1.5', '1.8')]})
# case followed by builtin with keyword prefix
self._assert_highlighting('case int:', {'KEYWORD': [('1.0', '1.4')],
'BUILTIN': [('1.5', '1.8')]})
# case followed by non-text operator
self._assert_highlighting('case^', {})
self._assert_highlighting('case @', {})
# case followed by colon
self._assert_highlighting('case :', {})
# case followed by comma
self._assert_highlighting('case\t,', {})
# case followed by a lone underscore
self._assert_highlighting('case _:', {'KEYWORD': [('1.0', '1.4'),
('1.5', '1.6')]})
def test_long_multiline_string(self):
source = textwrap.dedent('''\
"""a
b
c
d
e"""
''')
self._assert_highlighting(source, {'STRING': [('1.0', '5.4')]})
@run_in_tk_mainloop(delay=50)
def test_incremental_editing(self):
text = self.text
eq = self.assertEqual
# Simulate typing 'inte'. During this, the highlighting should
# change from normal to keyword to builtin to normal.
text.insert('insert', 'i')
yield
eq(text.tag_nextrange('BUILTIN', '1.0'), ())
eq(text.tag_nextrange('KEYWORD', '1.0'), ())
text.insert('insert', 'n')
yield
eq(text.tag_nextrange('BUILTIN', '1.0'), ())
eq(text.tag_nextrange('KEYWORD', '1.0'), ('1.0', '1.2'))
text.insert('insert', 't')
yield
eq(text.tag_nextrange('BUILTIN', '1.0'), ('1.0', '1.3'))
eq(text.tag_nextrange('KEYWORD', '1.0'), ())
text.insert('insert', 'e')
yield
eq(text.tag_nextrange('BUILTIN', '1.0'), ())
eq(text.tag_nextrange('KEYWORD', '1.0'), ())
# Simulate deleting three characters from the end of 'inte'.
# During this, the highlighting should change from normal to
# builtin to keyword to normal.
text.delete('insert-1c', 'insert')
yield
eq(text.tag_nextrange('BUILTIN', '1.0'), ('1.0', '1.3'))
eq(text.tag_nextrange('KEYWORD', '1.0'), ())
text.delete('insert-1c', 'insert')
yield
eq(text.tag_nextrange('BUILTIN', '1.0'), ())
eq(text.tag_nextrange('KEYWORD', '1.0'), ('1.0', '1.2'))
text.delete('insert-1c', 'insert')
yield
eq(text.tag_nextrange('BUILTIN', '1.0'), ())
eq(text.tag_nextrange('KEYWORD', '1.0'), ())
@mock.patch.object(colorizer.ColorDelegator, 'recolorize')
@mock.patch.object(colorizer.ColorDelegator, 'notify_range')
def test_removecolors(self, mock_notify, mock_recolorize):
text = self.text
color = self.color
text.insert('insert', source)
color.recolorize_main()
# recolorize_main doesn't add these tags.
text.tag_add("ERROR", "1.0")
text.tag_add("TODO", "1.0")
text.tag_add("hit", "1.0")
for tag in color.tagdefs:
with self.subTest(tag=tag):
self.assertNotEqual(text.tag_ranges(tag), ())
color.removecolors()
for tag in color.tagdefs:
with self.subTest(tag=tag):
self.assertEqual(text.tag_ranges(tag), ())
if __name__ == '__main__':
unittest.main(verbosity=2)

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@@ -0,0 +1,805 @@
"""Test config, coverage 93%.
(100% for IdleConfParser, IdleUserConfParser*, ConfigChanges).
* Exception is OSError clause in Save method.
Much of IdleConf is also exercised by ConfigDialog and test_configdialog.
"""
from idlelib import config
import sys
import os
import tempfile
from test.support import captured_stderr, findfile
import unittest
from unittest import mock
import idlelib
from idlelib.idle_test.mock_idle import Func
# Tests should not depend on fortuitous user configurations.
# They must not affect actual user .cfg files.
# Replace user parsers with empty parsers that cannot be saved
# due to getting '' as the filename when created.
idleConf = config.idleConf
usercfg = idleConf.userCfg
testcfg = {}
usermain = testcfg['main'] = config.IdleUserConfParser('')
userhigh = testcfg['highlight'] = config.IdleUserConfParser('')
userkeys = testcfg['keys'] = config.IdleUserConfParser('')
userextn = testcfg['extensions'] = config.IdleUserConfParser('')
def setUpModule():
idleConf.userCfg = testcfg
idlelib.testing = True
def tearDownModule():
idleConf.userCfg = usercfg
idlelib.testing = False
class IdleConfParserTest(unittest.TestCase):
"""Test that IdleConfParser works"""
config = """
[one]
one = false
two = true
three = 10
[two]
one = a string
two = true
three = false
"""
def test_get(self):
parser = config.IdleConfParser('')
parser.read_string(self.config)
eq = self.assertEqual
# Test with type argument.
self.assertIs(parser.Get('one', 'one', type='bool'), False)
self.assertIs(parser.Get('one', 'two', type='bool'), True)
eq(parser.Get('one', 'three', type='int'), 10)
eq(parser.Get('two', 'one'), 'a string')
self.assertIs(parser.Get('two', 'two', type='bool'), True)
self.assertIs(parser.Get('two', 'three', type='bool'), False)
# Test without type should fallback to string.
eq(parser.Get('two', 'two'), 'true')
eq(parser.Get('two', 'three'), 'false')
# If option not exist, should return None, or default.
self.assertIsNone(parser.Get('not', 'exist'))
eq(parser.Get('not', 'exist', default='DEFAULT'), 'DEFAULT')
def test_get_option_list(self):
parser = config.IdleConfParser('')
parser.read_string(self.config)
get_list = parser.GetOptionList
self.assertCountEqual(get_list('one'), ['one', 'two', 'three'])
self.assertCountEqual(get_list('two'), ['one', 'two', 'three'])
self.assertEqual(get_list('not exist'), [])
def test_load_nothing(self):
parser = config.IdleConfParser('')
parser.Load()
self.assertEqual(parser.sections(), [])
def test_load_file(self):
# Borrow test/cfgparser.1 from test_configparser.
config_path = findfile('cfgparser.1')
parser = config.IdleConfParser(config_path)
parser.Load()
self.assertEqual(parser.Get('Foo Bar', 'foo'), 'newbar')
self.assertEqual(parser.GetOptionList('Foo Bar'), ['foo'])
class IdleUserConfParserTest(unittest.TestCase):
"""Test that IdleUserConfParser works"""
def new_parser(self, path=''):
return config.IdleUserConfParser(path)
def test_set_option(self):
parser = self.new_parser()
parser.add_section('Foo')
# Setting new option in existing section should return True.
self.assertTrue(parser.SetOption('Foo', 'bar', 'true'))
# Setting existing option with same value should return False.
self.assertFalse(parser.SetOption('Foo', 'bar', 'true'))
# Setting exiting option with new value should return True.
self.assertTrue(parser.SetOption('Foo', 'bar', 'false'))
self.assertEqual(parser.Get('Foo', 'bar'), 'false')
# Setting option in new section should create section and return True.
self.assertTrue(parser.SetOption('Bar', 'bar', 'true'))
self.assertCountEqual(parser.sections(), ['Bar', 'Foo'])
self.assertEqual(parser.Get('Bar', 'bar'), 'true')
def test_remove_option(self):
parser = self.new_parser()
parser.AddSection('Foo')
parser.SetOption('Foo', 'bar', 'true')
self.assertTrue(parser.RemoveOption('Foo', 'bar'))
self.assertFalse(parser.RemoveOption('Foo', 'bar'))
self.assertFalse(parser.RemoveOption('Not', 'Exist'))
def test_add_section(self):
parser = self.new_parser()
self.assertEqual(parser.sections(), [])
# Should not add duplicate section.
# Configparser raises DuplicateError, IdleParser not.
parser.AddSection('Foo')
parser.AddSection('Foo')
parser.AddSection('Bar')
self.assertCountEqual(parser.sections(), ['Bar', 'Foo'])
def test_remove_empty_sections(self):
parser = self.new_parser()
parser.AddSection('Foo')
parser.AddSection('Bar')
parser.SetOption('Idle', 'name', 'val')
self.assertCountEqual(parser.sections(), ['Bar', 'Foo', 'Idle'])
parser.RemoveEmptySections()
self.assertEqual(parser.sections(), ['Idle'])
def test_is_empty(self):
parser = self.new_parser()
parser.AddSection('Foo')
parser.AddSection('Bar')
self.assertTrue(parser.IsEmpty())
self.assertEqual(parser.sections(), [])
parser.SetOption('Foo', 'bar', 'false')
parser.AddSection('Bar')
self.assertFalse(parser.IsEmpty())
self.assertCountEqual(parser.sections(), ['Foo'])
def test_save(self):
with tempfile.TemporaryDirectory() as tdir:
path = os.path.join(tdir, 'test.cfg')
parser = self.new_parser(path)
parser.AddSection('Foo')
parser.SetOption('Foo', 'bar', 'true')
# Should save to path when config is not empty.
self.assertFalse(os.path.exists(path))
parser.Save()
self.assertTrue(os.path.exists(path))
# Should remove the file from disk when config is empty.
parser.remove_section('Foo')
parser.Save()
self.assertFalse(os.path.exists(path))
class IdleConfTest(unittest.TestCase):
"""Test for idleConf"""
@classmethod
def setUpClass(cls):
cls.config_string = {}
conf = config.IdleConf(_utest=True)
if __name__ != '__main__':
idle_dir = os.path.dirname(__file__)
else:
idle_dir = os.path.abspath(sys.path[0])
for ctype in conf.config_types:
config_path = os.path.join(idle_dir, '../config-%s.def' % ctype)
with open(config_path) as f:
cls.config_string[ctype] = f.read()
cls.orig_warn = config._warn
config._warn = Func()
@classmethod
def tearDownClass(cls):
config._warn = cls.orig_warn
def new_config(self, _utest=False):
return config.IdleConf(_utest=_utest)
def mock_config(self):
"""Return a mocked idleConf
Both default and user config used the same config-*.def
"""
conf = config.IdleConf(_utest=True)
for ctype in conf.config_types:
conf.defaultCfg[ctype] = config.IdleConfParser('')
conf.defaultCfg[ctype].read_string(self.config_string[ctype])
conf.userCfg[ctype] = config.IdleUserConfParser('')
conf.userCfg[ctype].read_string(self.config_string[ctype])
return conf
@unittest.skipIf(sys.platform.startswith('win'), 'this is test for unix system')
def test_get_user_cfg_dir_unix(self):
# Test to get user config directory under unix.
conf = self.new_config(_utest=True)
# Check normal way should success
with mock.patch('os.path.expanduser', return_value='/home/foo'):
with mock.patch('os.path.exists', return_value=True):
self.assertEqual(conf.GetUserCfgDir(), '/home/foo/.idlerc')
# Check os.getcwd should success
with mock.patch('os.path.expanduser', return_value='~'):
with mock.patch('os.getcwd', return_value='/home/foo/cpython'):
with mock.patch('os.mkdir'):
self.assertEqual(conf.GetUserCfgDir(),
'/home/foo/cpython/.idlerc')
# Check user dir not exists and created failed should raise SystemExit
with mock.patch('os.path.join', return_value='/path/not/exists'):
with self.assertRaises(SystemExit):
with self.assertRaises(FileNotFoundError):
conf.GetUserCfgDir()
@unittest.skipIf(not sys.platform.startswith('win'), 'this is test for Windows system')
def test_get_user_cfg_dir_windows(self):
# Test to get user config directory under Windows.
conf = self.new_config(_utest=True)
# Check normal way should success
with mock.patch('os.path.expanduser', return_value='C:\\foo'):
with mock.patch('os.path.exists', return_value=True):
self.assertEqual(conf.GetUserCfgDir(), 'C:\\foo\\.idlerc')
# Check os.getcwd should success
with mock.patch('os.path.expanduser', return_value='~'):
with mock.patch('os.getcwd', return_value='C:\\foo\\cpython'):
with mock.patch('os.mkdir'):
self.assertEqual(conf.GetUserCfgDir(),
'C:\\foo\\cpython\\.idlerc')
# Check user dir not exists and created failed should raise SystemExit
with mock.patch('os.path.join', return_value='/path/not/exists'):
with self.assertRaises(SystemExit):
with self.assertRaises(FileNotFoundError):
conf.GetUserCfgDir()
def test_create_config_handlers(self):
conf = self.new_config(_utest=True)
# Mock out idle_dir
idle_dir = '/home/foo'
with mock.patch.dict({'__name__': '__foo__'}):
with mock.patch('os.path.dirname', return_value=idle_dir):
conf.CreateConfigHandlers()
# Check keys are equal
self.assertCountEqual(conf.defaultCfg.keys(), conf.config_types)
self.assertCountEqual(conf.userCfg.keys(), conf.config_types)
# Check conf parser are correct type
for default_parser in conf.defaultCfg.values():
self.assertIsInstance(default_parser, config.IdleConfParser)
for user_parser in conf.userCfg.values():
self.assertIsInstance(user_parser, config.IdleUserConfParser)
# Check config path are correct
for cfg_type, parser in conf.defaultCfg.items():
self.assertEqual(parser.file,
os.path.join(idle_dir, f'config-{cfg_type}.def'))
for cfg_type, parser in conf.userCfg.items():
self.assertEqual(parser.file,
os.path.join(conf.userdir or '#', f'config-{cfg_type}.cfg'))
def test_load_cfg_files(self):
conf = self.new_config(_utest=True)
# Borrow test/cfgparser.1 from test_configparser.
config_path = findfile('cfgparser.1')
conf.defaultCfg['foo'] = config.IdleConfParser(config_path)
conf.userCfg['foo'] = config.IdleUserConfParser(config_path)
# Load all config from path
conf.LoadCfgFiles()
eq = self.assertEqual
# Check defaultCfg is loaded
eq(conf.defaultCfg['foo'].Get('Foo Bar', 'foo'), 'newbar')
eq(conf.defaultCfg['foo'].GetOptionList('Foo Bar'), ['foo'])
# Check userCfg is loaded
eq(conf.userCfg['foo'].Get('Foo Bar', 'foo'), 'newbar')
eq(conf.userCfg['foo'].GetOptionList('Foo Bar'), ['foo'])
def test_save_user_cfg_files(self):
conf = self.mock_config()
with mock.patch('idlelib.config.IdleUserConfParser.Save') as m:
conf.SaveUserCfgFiles()
self.assertEqual(m.call_count, len(conf.userCfg))
def test_get_option(self):
conf = self.mock_config()
eq = self.assertEqual
eq(conf.GetOption('main', 'EditorWindow', 'width'), '80')
eq(conf.GetOption('main', 'EditorWindow', 'width', type='int'), 80)
with mock.patch('idlelib.config._warn') as _warn:
eq(conf.GetOption('main', 'EditorWindow', 'font', type='int'), None)
eq(conf.GetOption('main', 'EditorWindow', 'NotExists'), None)
eq(conf.GetOption('main', 'EditorWindow', 'NotExists', default='NE'), 'NE')
eq(_warn.call_count, 4)
def test_set_option(self):
conf = self.mock_config()
conf.SetOption('main', 'Foo', 'bar', 'newbar')
self.assertEqual(conf.GetOption('main', 'Foo', 'bar'), 'newbar')
def test_get_section_list(self):
conf = self.mock_config()
self.assertCountEqual(
conf.GetSectionList('default', 'main'),
['General', 'EditorWindow', 'PyShell', 'Indent', 'Theme',
'Keys', 'History', 'HelpFiles'])
self.assertCountEqual(
conf.GetSectionList('user', 'main'),
['General', 'EditorWindow', 'PyShell', 'Indent', 'Theme',
'Keys', 'History', 'HelpFiles'])
with self.assertRaises(config.InvalidConfigSet):
conf.GetSectionList('foobar', 'main')
with self.assertRaises(config.InvalidConfigType):
conf.GetSectionList('default', 'notexists')
def test_get_highlight(self):
conf = self.mock_config()
eq = self.assertEqual
eq(conf.GetHighlight('IDLE Classic', 'normal'), {'foreground': '#000000',
'background': '#ffffff'})
# Test cursor (this background should be normal-background)
eq(conf.GetHighlight('IDLE Classic', 'cursor'), {'foreground': 'black',
'background': '#ffffff'})
# Test get user themes
conf.SetOption('highlight', 'Foobar', 'normal-foreground', '#747474')
conf.SetOption('highlight', 'Foobar', 'normal-background', '#171717')
with mock.patch('idlelib.config._warn'):
eq(conf.GetHighlight('Foobar', 'normal'), {'foreground': '#747474',
'background': '#171717'})
def test_get_theme_dict(self):
# TODO: finish.
conf = self.mock_config()
# These two should be the same
self.assertEqual(
conf.GetThemeDict('default', 'IDLE Classic'),
conf.GetThemeDict('user', 'IDLE Classic'))
with self.assertRaises(config.InvalidTheme):
conf.GetThemeDict('bad', 'IDLE Classic')
def test_get_current_theme_and_keys(self):
conf = self.mock_config()
self.assertEqual(conf.CurrentTheme(), conf.current_colors_and_keys('Theme'))
self.assertEqual(conf.CurrentKeys(), conf.current_colors_and_keys('Keys'))
def test_current_colors_and_keys(self):
conf = self.mock_config()
self.assertEqual(conf.current_colors_and_keys('Theme'), 'IDLE Classic')
def test_default_keys(self):
current_platform = sys.platform
conf = self.new_config(_utest=True)
sys.platform = 'win32'
self.assertEqual(conf.default_keys(), 'IDLE Classic Windows')
sys.platform = 'darwin'
self.assertEqual(conf.default_keys(), 'IDLE Classic OSX')
sys.platform = 'some-linux'
self.assertEqual(conf.default_keys(), 'IDLE Modern Unix')
# Restore platform
sys.platform = current_platform
def test_get_extensions(self):
userextn.read_string('''
[ZzDummy]
enable = True
[DISABLE]
enable = False
''')
eq = self.assertEqual
iGE = idleConf.GetExtensions
eq(iGE(shell_only=True), [])
eq(iGE(), ['ZzDummy'])
eq(iGE(editor_only=True), ['ZzDummy'])
eq(iGE(active_only=False), ['ZzDummy', 'DISABLE'])
eq(iGE(active_only=False, editor_only=True), ['ZzDummy', 'DISABLE'])
userextn.remove_section('ZzDummy')
userextn.remove_section('DISABLE')
def test_remove_key_bind_names(self):
conf = self.mock_config()
self.assertCountEqual(
conf.RemoveKeyBindNames(conf.GetSectionList('default', 'extensions')),
['AutoComplete', 'CodeContext', 'FormatParagraph', 'ParenMatch', 'ZzDummy'])
def test_get_extn_name_for_event(self):
userextn.read_string('''
[ZzDummy]
enable = True
''')
eq = self.assertEqual
eq(idleConf.GetExtnNameForEvent('z-in'), 'ZzDummy')
eq(idleConf.GetExtnNameForEvent('z-out'), None)
userextn.remove_section('ZzDummy')
def test_get_extension_keys(self):
userextn.read_string('''
[ZzDummy]
enable = True
''')
self.assertEqual(idleConf.GetExtensionKeys('ZzDummy'),
{'<<z-in>>': ['<Control-Shift-KeyRelease-Insert>']})
userextn.remove_section('ZzDummy')
# need option key test
## key = ['<Option-Key-2>'] if sys.platform == 'darwin' else ['<Alt-Key-2>']
## eq(conf.GetExtensionKeys('ZoomHeight'), {'<<zoom-height>>': key})
def test_get_extension_bindings(self):
userextn.read_string('''
[ZzDummy]
enable = True
''')
eq = self.assertEqual
iGEB = idleConf.GetExtensionBindings
eq(iGEB('NotExists'), {})
expect = {'<<z-in>>': ['<Control-Shift-KeyRelease-Insert>'],
'<<z-out>>': ['<Control-Shift-KeyRelease-Delete>']}
eq(iGEB('ZzDummy'), expect)
userextn.remove_section('ZzDummy')
def test_get_keybinding(self):
conf = self.mock_config()
eq = self.assertEqual
eq(conf.GetKeyBinding('IDLE Modern Unix', '<<copy>>'),
['<Control-Shift-Key-C>', '<Control-Key-Insert>'])
eq(conf.GetKeyBinding('IDLE Classic Unix', '<<copy>>'),
['<Alt-Key-w>', '<Meta-Key-w>'])
eq(conf.GetKeyBinding('IDLE Classic Windows', '<<copy>>'),
['<Control-Key-c>', '<Control-Key-C>'])
eq(conf.GetKeyBinding('IDLE Classic Mac', '<<copy>>'), ['<Command-Key-c>'])
eq(conf.GetKeyBinding('IDLE Classic OSX', '<<copy>>'), ['<Command-Key-c>'])
# Test keybinding not exists
eq(conf.GetKeyBinding('NOT EXISTS', '<<copy>>'), [])
eq(conf.GetKeyBinding('IDLE Modern Unix', 'NOT EXISTS'), [])
def test_get_current_keyset(self):
current_platform = sys.platform
conf = self.mock_config()
# Ensure that platform isn't darwin
sys.platform = 'some-linux'
self.assertEqual(conf.GetCurrentKeySet(), conf.GetKeySet(conf.CurrentKeys()))
# This should not be the same, since replace <Alt- to <Option-.
# Above depended on config-extensions.def having Alt keys,
# which is no longer true.
# sys.platform = 'darwin'
# self.assertNotEqual(conf.GetCurrentKeySet(), conf.GetKeySet(conf.CurrentKeys()))
# Restore platform
sys.platform = current_platform
def test_get_keyset(self):
conf = self.mock_config()
# Conflict with key set, should be disable to ''
conf.defaultCfg['extensions'].add_section('Foobar')
conf.defaultCfg['extensions'].add_section('Foobar_cfgBindings')
conf.defaultCfg['extensions'].set('Foobar', 'enable', 'True')
conf.defaultCfg['extensions'].set('Foobar_cfgBindings', 'newfoo', '<Key-F3>')
self.assertEqual(conf.GetKeySet('IDLE Modern Unix')['<<newfoo>>'], '')
def test_is_core_binding(self):
# XXX: Should move out the core keys to config file or other place
conf = self.mock_config()
self.assertTrue(conf.IsCoreBinding('copy'))
self.assertTrue(conf.IsCoreBinding('cut'))
self.assertTrue(conf.IsCoreBinding('del-word-right'))
self.assertFalse(conf.IsCoreBinding('not-exists'))
def test_extra_help_source_list(self):
# Test GetExtraHelpSourceList and GetAllExtraHelpSourcesList in same
# place to prevent prepare input data twice.
conf = self.mock_config()
# Test default with no extra help source
self.assertEqual(conf.GetExtraHelpSourceList('default'), [])
self.assertEqual(conf.GetExtraHelpSourceList('user'), [])
with self.assertRaises(config.InvalidConfigSet):
self.assertEqual(conf.GetExtraHelpSourceList('bad'), [])
self.assertCountEqual(
conf.GetAllExtraHelpSourcesList(),
conf.GetExtraHelpSourceList('default') + conf.GetExtraHelpSourceList('user'))
# Add help source to user config
conf.userCfg['main'].SetOption('HelpFiles', '4', 'Python;https://python.org') # This is bad input
conf.userCfg['main'].SetOption('HelpFiles', '3', 'Python:https://python.org') # This is bad input
conf.userCfg['main'].SetOption('HelpFiles', '2', 'Pillow;https://pillow.readthedocs.io/en/latest/')
conf.userCfg['main'].SetOption('HelpFiles', '1', 'IDLE;C:/Programs/Python36/Lib/idlelib/help.html')
self.assertEqual(conf.GetExtraHelpSourceList('user'),
[('IDLE', 'C:/Programs/Python36/Lib/idlelib/help.html', '1'),
('Pillow', 'https://pillow.readthedocs.io/en/latest/', '2'),
('Python', 'https://python.org', '4')])
self.assertCountEqual(
conf.GetAllExtraHelpSourcesList(),
conf.GetExtraHelpSourceList('default') + conf.GetExtraHelpSourceList('user'))
def test_get_font(self):
from test.support import requires
from tkinter import Tk
from tkinter.font import Font
conf = self.mock_config()
requires('gui')
root = Tk()
root.withdraw()
f = Font.actual(Font(name='TkFixedFont', exists=True, root=root))
self.assertEqual(
conf.GetFont(root, 'main', 'EditorWindow'),
(f['family'], 10 if f['size'] <= 0 else f['size'], f['weight']))
# Cleanup root
root.destroy()
del root
def test_get_core_keys(self):
conf = self.mock_config()
eq = self.assertEqual
eq(conf.GetCoreKeys()['<<center-insert>>'], ['<Control-l>'])
eq(conf.GetCoreKeys()['<<copy>>'], ['<Control-c>', '<Control-C>'])
eq(conf.GetCoreKeys()['<<history-next>>'], ['<Alt-n>'])
eq(conf.GetCoreKeys('IDLE Classic Windows')['<<center-insert>>'],
['<Control-Key-l>', '<Control-Key-L>'])
eq(conf.GetCoreKeys('IDLE Classic OSX')['<<copy>>'], ['<Command-Key-c>'])
eq(conf.GetCoreKeys('IDLE Classic Unix')['<<history-next>>'],
['<Alt-Key-n>', '<Meta-Key-n>'])
eq(conf.GetCoreKeys('IDLE Modern Unix')['<<history-next>>'],
['<Alt-Key-n>', '<Meta-Key-n>'])
class CurrentColorKeysTest(unittest.TestCase):
""" Test colorkeys function with user config [Theme] and [Keys] patterns.
colorkeys = config.IdleConf.current_colors_and_keys
Test all patterns written by IDLE and some errors
Item 'default' should really be 'builtin' (versus 'custom).
"""
colorkeys = idleConf.current_colors_and_keys
default_theme = 'IDLE Classic'
default_keys = idleConf.default_keys()
def test_old_builtin_theme(self):
# On initial installation, user main is blank.
self.assertEqual(self.colorkeys('Theme'), self.default_theme)
# For old default, name2 must be blank.
usermain.read_string('''
[Theme]
default = True
''')
# IDLE omits 'name' for default old builtin theme.
self.assertEqual(self.colorkeys('Theme'), self.default_theme)
# IDLE adds 'name' for non-default old builtin theme.
usermain['Theme']['name'] = 'IDLE New'
self.assertEqual(self.colorkeys('Theme'), 'IDLE New')
# Erroneous non-default old builtin reverts to default.
usermain['Theme']['name'] = 'non-existent'
self.assertEqual(self.colorkeys('Theme'), self.default_theme)
usermain.remove_section('Theme')
def test_new_builtin_theme(self):
# IDLE writes name2 for new builtins.
usermain.read_string('''
[Theme]
default = True
name2 = IDLE Dark
''')
self.assertEqual(self.colorkeys('Theme'), 'IDLE Dark')
# Leftover 'name', not removed, is ignored.
usermain['Theme']['name'] = 'IDLE New'
self.assertEqual(self.colorkeys('Theme'), 'IDLE Dark')
# Erroneous non-default new builtin reverts to default.
usermain['Theme']['name2'] = 'non-existent'
self.assertEqual(self.colorkeys('Theme'), self.default_theme)
usermain.remove_section('Theme')
def test_user_override_theme(self):
# Erroneous custom name (no definition) reverts to default.
usermain.read_string('''
[Theme]
default = False
name = Custom Dark
''')
self.assertEqual(self.colorkeys('Theme'), self.default_theme)
# Custom name is valid with matching Section name.
userhigh.read_string('[Custom Dark]\na=b')
self.assertEqual(self.colorkeys('Theme'), 'Custom Dark')
# Name2 is ignored.
usermain['Theme']['name2'] = 'non-existent'
self.assertEqual(self.colorkeys('Theme'), 'Custom Dark')
usermain.remove_section('Theme')
userhigh.remove_section('Custom Dark')
def test_old_builtin_keys(self):
# On initial installation, user main is blank.
self.assertEqual(self.colorkeys('Keys'), self.default_keys)
# For old default, name2 must be blank, name is always used.
usermain.read_string('''
[Keys]
default = True
name = IDLE Classic Unix
''')
self.assertEqual(self.colorkeys('Keys'), 'IDLE Classic Unix')
# Erroneous non-default old builtin reverts to default.
usermain['Keys']['name'] = 'non-existent'
self.assertEqual(self.colorkeys('Keys'), self.default_keys)
usermain.remove_section('Keys')
def test_new_builtin_keys(self):
# IDLE writes name2 for new builtins.
usermain.read_string('''
[Keys]
default = True
name2 = IDLE Modern Unix
''')
self.assertEqual(self.colorkeys('Keys'), 'IDLE Modern Unix')
# Leftover 'name', not removed, is ignored.
usermain['Keys']['name'] = 'IDLE Classic Unix'
self.assertEqual(self.colorkeys('Keys'), 'IDLE Modern Unix')
# Erroneous non-default new builtin reverts to default.
usermain['Keys']['name2'] = 'non-existent'
self.assertEqual(self.colorkeys('Keys'), self.default_keys)
usermain.remove_section('Keys')
def test_user_override_keys(self):
# Erroneous custom name (no definition) reverts to default.
usermain.read_string('''
[Keys]
default = False
name = Custom Keys
''')
self.assertEqual(self.colorkeys('Keys'), self.default_keys)
# Custom name is valid with matching Section name.
userkeys.read_string('[Custom Keys]\na=b')
self.assertEqual(self.colorkeys('Keys'), 'Custom Keys')
# Name2 is ignored.
usermain['Keys']['name2'] = 'non-existent'
self.assertEqual(self.colorkeys('Keys'), 'Custom Keys')
usermain.remove_section('Keys')
userkeys.remove_section('Custom Keys')
class ChangesTest(unittest.TestCase):
empty = {'main':{}, 'highlight':{}, 'keys':{}, 'extensions':{}}
def load(self): # Test_add_option verifies that this works.
changes = self.changes
changes.add_option('main', 'Msec', 'mitem', 'mval')
changes.add_option('highlight', 'Hsec', 'hitem', 'hval')
changes.add_option('keys', 'Ksec', 'kitem', 'kval')
return changes
loaded = {'main': {'Msec': {'mitem': 'mval'}},
'highlight': {'Hsec': {'hitem': 'hval'}},
'keys': {'Ksec': {'kitem':'kval'}},
'extensions': {}}
def setUp(self):
self.changes = config.ConfigChanges()
def test_init(self):
self.assertEqual(self.changes, self.empty)
def test_add_option(self):
changes = self.load()
self.assertEqual(changes, self.loaded)
changes.add_option('main', 'Msec', 'mitem', 'mval')
self.assertEqual(changes, self.loaded)
def test_save_option(self): # Static function does not touch changes.
save_option = self.changes.save_option
self.assertTrue(save_option('main', 'Indent', 'what', '0'))
self.assertFalse(save_option('main', 'Indent', 'what', '0'))
self.assertEqual(usermain['Indent']['what'], '0')
self.assertTrue(save_option('main', 'Indent', 'use-spaces', '0'))
self.assertEqual(usermain['Indent']['use-spaces'], '0')
self.assertTrue(save_option('main', 'Indent', 'use-spaces', '1'))
self.assertFalse(usermain.has_option('Indent', 'use-spaces'))
usermain.remove_section('Indent')
def test_save_added(self):
changes = self.load()
self.assertTrue(changes.save_all())
self.assertEqual(usermain['Msec']['mitem'], 'mval')
self.assertEqual(userhigh['Hsec']['hitem'], 'hval')
self.assertEqual(userkeys['Ksec']['kitem'], 'kval')
changes.add_option('main', 'Msec', 'mitem', 'mval')
self.assertFalse(changes.save_all())
usermain.remove_section('Msec')
userhigh.remove_section('Hsec')
userkeys.remove_section('Ksec')
def test_save_help(self):
# Any change to HelpFiles overwrites entire section.
changes = self.changes
changes.save_option('main', 'HelpFiles', 'IDLE', 'idledoc')
changes.add_option('main', 'HelpFiles', 'ELDI', 'codeldi')
changes.save_all()
self.assertFalse(usermain.has_option('HelpFiles', 'IDLE'))
self.assertTrue(usermain.has_option('HelpFiles', 'ELDI'))
def test_save_default(self): # Cover 2nd and 3rd false branches.
changes = self.changes
changes.add_option('main', 'Indent', 'use-spaces', '1')
# save_option returns False; cfg_type_changed remains False.
# TODO: test that save_all calls usercfg Saves.
def test_delete_section(self):
changes = self.load()
changes.delete_section('main', 'fake') # Test no exception.
self.assertEqual(changes, self.loaded) # Test nothing deleted.
for cfgtype, section in (('main', 'Msec'), ('keys', 'Ksec')):
testcfg[cfgtype].SetOption(section, 'name', 'value')
changes.delete_section(cfgtype, section)
with self.assertRaises(KeyError):
changes[cfgtype][section] # Test section gone from changes
testcfg[cfgtype][section] # and from mock userCfg.
# TODO test for save call.
def test_clear(self):
changes = self.load()
changes.clear()
self.assertEqual(changes, self.empty)
class WarningTest(unittest.TestCase):
def test_warn(self):
Equal = self.assertEqual
config._warned = set()
with captured_stderr() as stderr:
config._warn('warning', 'key')
Equal(config._warned, {('warning','key')})
Equal(stderr.getvalue(), 'warning'+'\n')
with captured_stderr() as stderr:
config._warn('warning', 'key')
Equal(stderr.getvalue(), '')
with captured_stderr() as stderr:
config._warn('warn2', 'yek')
Equal(config._warned, {('warning','key'), ('warn2','yek')})
Equal(stderr.getvalue(), 'warn2'+'\n')
if __name__ == '__main__':
unittest.main(verbosity=2)

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"""Test config_key, coverage 98%.
Coverage is effectively 100%. Tkinter dialog is mocked, Mac-only line
may be skipped, and dummy function in bind test should not be called.
Not tested: exit with 'self.advanced or self.keys_ok(keys) ...' False.
"""
from idlelib import config_key
from test.support import requires
import unittest
from unittest import mock
from tkinter import Tk, TclError
from idlelib.idle_test.mock_idle import Func
from idlelib.idle_test.mock_tk import Mbox_func
class ValidationTest(unittest.TestCase):
"Test validation methods: ok, keys_ok, bind_ok."
class Validator(config_key.GetKeysFrame):
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
class list_keys_final:
get = Func()
self.list_keys_final = list_keys_final
get_modifiers = Func()
showerror = Mbox_func()
@classmethod
def setUpClass(cls):
requires('gui')
cls.root = Tk()
cls.root.withdraw()
keylist = [['<Key-F12>'], ['<Control-Key-x>', '<Control-Key-X>']]
cls.dialog = cls.Validator(cls.root, '<<Test>>', keylist)
@classmethod
def tearDownClass(cls):
del cls.dialog
cls.root.update_idletasks()
cls.root.destroy()
del cls.root
def setUp(self):
self.dialog.showerror.message = ''
# A test that needs a particular final key value should set it.
# A test that sets a non-blank modifier list should reset it to [].
def test_ok_empty(self):
self.dialog.key_string.set(' ')
self.dialog.ok()
self.assertEqual(self.dialog.result, '')
self.assertEqual(self.dialog.showerror.message, 'No key specified.')
def test_ok_good(self):
self.dialog.key_string.set('<Key-F11>')
self.dialog.list_keys_final.get.result = 'F11'
self.dialog.ok()
self.assertEqual(self.dialog.result, '<Key-F11>')
self.assertEqual(self.dialog.showerror.message, '')
def test_keys_no_ending(self):
self.assertFalse(self.dialog.keys_ok('<Control-Shift'))
self.assertIn('Missing the final', self.dialog.showerror.message)
def test_keys_no_modifier_bad(self):
self.dialog.list_keys_final.get.result = 'A'
self.assertFalse(self.dialog.keys_ok('<Key-A>'))
self.assertIn('No modifier', self.dialog.showerror.message)
def test_keys_no_modifier_ok(self):
self.dialog.list_keys_final.get.result = 'F11'
self.assertTrue(self.dialog.keys_ok('<Key-F11>'))
self.assertEqual(self.dialog.showerror.message, '')
def test_keys_shift_bad(self):
self.dialog.list_keys_final.get.result = 'a'
self.dialog.get_modifiers.result = ['Shift']
self.assertFalse(self.dialog.keys_ok('<a>'))
self.assertIn('shift modifier', self.dialog.showerror.message)
self.dialog.get_modifiers.result = []
def test_keys_dup(self):
for mods, final, seq in (([], 'F12', '<Key-F12>'),
(['Control'], 'x', '<Control-Key-x>'),
(['Control'], 'X', '<Control-Key-X>')):
with self.subTest(m=mods, f=final, s=seq):
self.dialog.list_keys_final.get.result = final
self.dialog.get_modifiers.result = mods
self.assertFalse(self.dialog.keys_ok(seq))
self.assertIn('already in use', self.dialog.showerror.message)
self.dialog.get_modifiers.result = []
def test_bind_ok(self):
self.assertTrue(self.dialog.bind_ok('<Control-Shift-Key-a>'))
self.assertEqual(self.dialog.showerror.message, '')
def test_bind_not_ok(self):
self.assertFalse(self.dialog.bind_ok('<Control-Shift>'))
self.assertIn('not accepted', self.dialog.showerror.message)
class ToggleLevelTest(unittest.TestCase):
"Test toggle between Basic and Advanced frames."
@classmethod
def setUpClass(cls):
requires('gui')
cls.root = Tk()
cls.root.withdraw()
cls.dialog = config_key.GetKeysFrame(cls.root, '<<Test>>', [])
@classmethod
def tearDownClass(cls):
del cls.dialog
cls.root.update_idletasks()
cls.root.destroy()
del cls.root
def test_toggle_level(self):
dialog = self.dialog
def stackorder():
"""Get the stack order of the children of the frame.
winfo_children() stores the children in stack order, so
this can be used to check whether a frame is above or
below another one.
"""
for index, child in enumerate(dialog.winfo_children()):
if child._name == 'keyseq_basic':
basic = index
if child._name == 'keyseq_advanced':
advanced = index
return basic, advanced
# New window starts at basic level.
self.assertFalse(dialog.advanced)
self.assertIn('Advanced', dialog.button_level['text'])
basic, advanced = stackorder()
self.assertGreater(basic, advanced)
# Toggle to advanced.
dialog.toggle_level()
self.assertTrue(dialog.advanced)
self.assertIn('Basic', dialog.button_level['text'])
basic, advanced = stackorder()
self.assertGreater(advanced, basic)
# Toggle to basic.
dialog.button_level.invoke()
self.assertFalse(dialog.advanced)
self.assertIn('Advanced', dialog.button_level['text'])
basic, advanced = stackorder()
self.assertGreater(basic, advanced)
class KeySelectionTest(unittest.TestCase):
"Test selecting key on Basic frames."
class Basic(config_key.GetKeysFrame):
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
class list_keys_final:
get = Func()
select_clear = Func()
yview = Func()
self.list_keys_final = list_keys_final
def set_modifiers_for_platform(self):
self.modifiers = ['foo', 'bar', 'BAZ']
self.modifier_label = {'BAZ': 'ZZZ'}
showerror = Mbox_func()
@classmethod
def setUpClass(cls):
requires('gui')
cls.root = Tk()
cls.root.withdraw()
cls.dialog = cls.Basic(cls.root, '<<Test>>', [])
@classmethod
def tearDownClass(cls):
del cls.dialog
cls.root.update_idletasks()
cls.root.destroy()
del cls.root
def setUp(self):
self.dialog.clear_key_seq()
def test_get_modifiers(self):
dialog = self.dialog
gm = dialog.get_modifiers
eq = self.assertEqual
# Modifiers are set on/off by invoking the checkbutton.
dialog.modifier_checkbuttons['foo'].invoke()
eq(gm(), ['foo'])
dialog.modifier_checkbuttons['BAZ'].invoke()
eq(gm(), ['foo', 'BAZ'])
dialog.modifier_checkbuttons['foo'].invoke()
eq(gm(), ['BAZ'])
@mock.patch.object(config_key.GetKeysFrame, 'get_modifiers')
def test_build_key_string(self, mock_modifiers):
dialog = self.dialog
key = dialog.list_keys_final
string = dialog.key_string.get
eq = self.assertEqual
key.get.result = 'a'
mock_modifiers.return_value = []
dialog.build_key_string()
eq(string(), '<Key-a>')
mock_modifiers.return_value = ['mymod']
dialog.build_key_string()
eq(string(), '<mymod-Key-a>')
key.get.result = ''
mock_modifiers.return_value = ['mymod', 'test']
dialog.build_key_string()
eq(string(), '<mymod-test>')
@mock.patch.object(config_key.GetKeysFrame, 'get_modifiers')
def test_final_key_selected(self, mock_modifiers):
dialog = self.dialog
key = dialog.list_keys_final
string = dialog.key_string.get
eq = self.assertEqual
mock_modifiers.return_value = ['Shift']
key.get.result = '{'
dialog.final_key_selected()
eq(string(), '<Shift-Key-braceleft>')
class CancelWindowTest(unittest.TestCase):
"Simulate user clicking [Cancel] button."
@classmethod
def setUpClass(cls):
requires('gui')
cls.root = Tk()
cls.root.withdraw()
cls.dialog = config_key.GetKeysWindow(
cls.root, 'Title', '<<Test>>', [], _utest=True)
@classmethod
def tearDownClass(cls):
cls.dialog.cancel()
del cls.dialog
cls.root.update_idletasks()
cls.root.destroy()
del cls.root
@mock.patch.object(config_key.GetKeysFrame, 'ok')
def test_cancel(self, mock_frame_ok):
self.assertEqual(self.dialog.winfo_class(), 'Toplevel')
self.dialog.button_cancel.invoke()
with self.assertRaises(TclError):
self.dialog.winfo_class()
self.assertEqual(self.dialog.result, '')
mock_frame_ok.assert_not_called()
class OKWindowTest(unittest.TestCase):
"Simulate user clicking [OK] button."
@classmethod
def setUpClass(cls):
requires('gui')
cls.root = Tk()
cls.root.withdraw()
cls.dialog = config_key.GetKeysWindow(
cls.root, 'Title', '<<Test>>', [], _utest=True)
@classmethod
def tearDownClass(cls):
cls.dialog.cancel()
del cls.dialog
cls.root.update_idletasks()
cls.root.destroy()
del cls.root
@mock.patch.object(config_key.GetKeysFrame, 'ok')
def test_ok(self, mock_frame_ok):
self.assertEqual(self.dialog.winfo_class(), 'Toplevel')
self.dialog.button_ok.invoke()
with self.assertRaises(TclError):
self.dialog.winfo_class()
mock_frame_ok.assert_called()
class WindowResultTest(unittest.TestCase):
"Test window result get and set."
@classmethod
def setUpClass(cls):
requires('gui')
cls.root = Tk()
cls.root.withdraw()
cls.dialog = config_key.GetKeysWindow(
cls.root, 'Title', '<<Test>>', [], _utest=True)
@classmethod
def tearDownClass(cls):
cls.dialog.cancel()
del cls.dialog
cls.root.update_idletasks()
cls.root.destroy()
del cls.root
def test_result(self):
dialog = self.dialog
eq = self.assertEqual
dialog.result = ''
eq(dialog.result, '')
eq(dialog.frame.result,'')
dialog.result = 'bar'
eq(dialog.result,'bar')
eq(dialog.frame.result,'bar')
dialog.frame.result = 'foo'
eq(dialog.result, 'foo')
eq(dialog.frame.result,'foo')
class HelperTest(unittest.TestCase):
"Test module level helper functions."
def test_translate_key(self):
tr = config_key.translate_key
eq = self.assertEqual
# Letters return unchanged with no 'Shift'.
eq(tr('q', []), 'Key-q')
eq(tr('q', ['Control', 'Alt']), 'Key-q')
# 'Shift' uppercases single lowercase letters.
eq(tr('q', ['Shift']), 'Key-Q')
eq(tr('q', ['Control', 'Shift']), 'Key-Q')
eq(tr('q', ['Control', 'Alt', 'Shift']), 'Key-Q')
# Convert key name to keysym.
eq(tr('Page Up', []), 'Key-Prior')
# 'Shift' doesn't change case when it's not a single char.
eq(tr('*', ['Shift']), 'Key-asterisk')
if __name__ == '__main__':
unittest.main(verbosity=2)

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"Test debugger, coverage 19%"
from idlelib import debugger
import unittest
from test.support import requires
requires('gui')
from tkinter import Tk
class NameSpaceTest(unittest.TestCase):
@classmethod
def setUpClass(cls):
cls.root = Tk()
cls.root.withdraw()
@classmethod
def tearDownClass(cls):
cls.root.destroy()
del cls.root
def test_init(self):
debugger.NamespaceViewer(self.root, 'Test')
# Other classes are Idb, Debugger, and StackViewer.
if __name__ == '__main__':
unittest.main(verbosity=2)

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"Test debugger_r, coverage 30%."
from idlelib import debugger_r
import unittest
# Boilerplate likely to be needed for future test classes.
##from test.support import requires
##from tkinter import Tk
##class Test(unittest.TestCase):
## @classmethod
## def setUpClass(cls):
## requires('gui')
## cls.root = Tk()
## @classmethod
## def tearDownClass(cls):
## cls.root.destroy()
# GUIProxy, IdbAdapter, FrameProxy, CodeProxy, DictProxy,
# GUIAdapter, IdbProxy, and 7 functions still need tests.
class IdbAdapterTest(unittest.TestCase):
def test_dict_item_noattr(self): # Issue 33065.
class BinData:
def __repr__(self):
return self.length
debugger_r.dicttable[0] = {'BinData': BinData()}
idb = debugger_r.IdbAdapter(None)
self.assertTrue(idb.dict_item(0, 'BinData'))
debugger_r.dicttable.clear()
if __name__ == '__main__':
unittest.main(verbosity=2)

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"Test debugobj, coverage 40%."
from idlelib import debugobj
import unittest
class ObjectTreeItemTest(unittest.TestCase):
def test_init(self):
ti = debugobj.ObjectTreeItem('label', 22)
self.assertEqual(ti.labeltext, 'label')
self.assertEqual(ti.object, 22)
self.assertEqual(ti.setfunction, None)
class ClassTreeItemTest(unittest.TestCase):
def test_isexpandable(self):
ti = debugobj.ClassTreeItem('label', 0)
self.assertTrue(ti.IsExpandable())
class AtomicObjectTreeItemTest(unittest.TestCase):
def test_isexpandable(self):
ti = debugobj.AtomicObjectTreeItem('label', 0)
self.assertFalse(ti.IsExpandable())
class SequenceTreeItemTest(unittest.TestCase):
def test_isexpandable(self):
ti = debugobj.SequenceTreeItem('label', ())
self.assertFalse(ti.IsExpandable())
ti = debugobj.SequenceTreeItem('label', (1,))
self.assertTrue(ti.IsExpandable())
def test_keys(self):
ti = debugobj.SequenceTreeItem('label', 'abc')
self.assertEqual(list(ti.keys()), [0, 1, 2])
class DictTreeItemTest(unittest.TestCase):
def test_isexpandable(self):
ti = debugobj.DictTreeItem('label', {})
self.assertFalse(ti.IsExpandable())
ti = debugobj.DictTreeItem('label', {1:1})
self.assertTrue(ti.IsExpandable())
def test_keys(self):
ti = debugobj.DictTreeItem('label', {1:1, 0:0, 2:2})
self.assertEqual(ti.keys(), [0, 1, 2])
if __name__ == '__main__':
unittest.main(verbosity=2)

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"Test debugobj_r, coverage 56%."
from idlelib import debugobj_r
import unittest
class WrappedObjectTreeItemTest(unittest.TestCase):
def test_getattr(self):
ti = debugobj_r.WrappedObjectTreeItem(list)
self.assertEqual(ti.append, list.append)
class StubObjectTreeItemTest(unittest.TestCase):
def test_init(self):
ti = debugobj_r.StubObjectTreeItem('socket', 1111)
self.assertEqual(ti.sockio, 'socket')
self.assertEqual(ti.oid, 1111)
if __name__ == '__main__':
unittest.main(verbosity=2)

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"Test delegator, coverage 100%."
from idlelib.delegator import Delegator
import unittest
class DelegatorTest(unittest.TestCase):
def test_mydel(self):
# Test a simple use scenario.
# Initialize an int delegator.
mydel = Delegator(int)
self.assertIs(mydel.delegate, int)
self.assertEqual(mydel._Delegator__cache, set())
# Trying to access a non-attribute of int fails.
self.assertRaises(AttributeError, mydel.__getattr__, 'xyz')
# Add real int attribute 'bit_length' by accessing it.
bl = mydel.bit_length
self.assertIs(bl, int.bit_length)
self.assertIs(mydel.__dict__['bit_length'], int.bit_length)
self.assertEqual(mydel._Delegator__cache, {'bit_length'})
# Add attribute 'numerator'.
mydel.numerator
self.assertEqual(mydel._Delegator__cache, {'bit_length', 'numerator'})
# Delete 'numerator'.
del mydel.numerator
self.assertNotIn('numerator', mydel.__dict__)
# The current implementation leaves it in the name cache.
# self.assertIn('numerator', mydel._Delegator__cache)
# However, this is not required and not part of the specification
# Change delegate to float, first resetting the attributes.
mydel.setdelegate(float) # calls resetcache
self.assertNotIn('bit_length', mydel.__dict__)
self.assertEqual(mydel._Delegator__cache, set())
self.assertIs(mydel.delegate, float)
if __name__ == '__main__':
unittest.main(verbosity=2, exit=2)

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'''Test (selected) IDLE Edit menu items.
Edit modules have their own test files
'''
from test.support import requires
requires('gui')
import tkinter as tk
from tkinter import ttk
import unittest
from idlelib import pyshell
class PasteTest(unittest.TestCase):
'''Test pasting into widgets that allow pasting.
On X11, replacing selections requires tk fix.
'''
@classmethod
def setUpClass(cls):
cls.root = root = tk.Tk()
cls.root.withdraw()
pyshell.fix_x11_paste(root)
cls.text = tk.Text(root)
cls.entry = tk.Entry(root)
cls.tentry = ttk.Entry(root)
cls.spin = tk.Spinbox(root)
root.clipboard_clear()
root.clipboard_append('two')
@classmethod
def tearDownClass(cls):
del cls.text, cls.entry, cls.tentry
cls.root.clipboard_clear()
cls.root.update_idletasks()
cls.root.destroy()
del cls.root
def test_paste_text(self):
"Test pasting into text with and without a selection."
text = self.text
for tag, ans in ('', 'onetwo\n'), ('sel', 'two\n'):
with self.subTest(tag=tag, ans=ans):
text.delete('1.0', 'end')
text.insert('1.0', 'one', tag)
text.event_generate('<<Paste>>')
self.assertEqual(text.get('1.0', 'end'), ans)
def test_paste_entry(self):
"Test pasting into an entry with and without a selection."
# Generated <<Paste>> fails for tk entry without empty select
# range for 'no selection'. Live widget works fine.
for entry in self.entry, self.tentry:
for end, ans in (0, 'onetwo'), ('end', 'two'):
with self.subTest(entry=entry, end=end, ans=ans):
entry.delete(0, 'end')
entry.insert(0, 'one')
entry.select_range(0, end)
entry.event_generate('<<Paste>>')
self.assertEqual(entry.get(), ans)
def test_paste_spin(self):
"Test pasting into a spinbox with and without a selection."
# See note above for entry.
spin = self.spin
for end, ans in (0, 'onetwo'), ('end', 'two'):
with self.subTest(end=end, ans=ans):
spin.delete(0, 'end')
spin.insert(0, 'one')
spin.selection('range', 0, end) # see note
spin.event_generate('<<Paste>>')
self.assertEqual(spin.get(), ans)
if __name__ == '__main__':
unittest.main(verbosity=2)

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"Test editor, coverage 53%."
from idlelib import editor
import unittest
from collections import namedtuple
from test.support import requires
from tkinter import Tk, Text
Editor = editor.EditorWindow
class EditorWindowTest(unittest.TestCase):
@classmethod
def setUpClass(cls):
requires('gui')
cls.root = Tk()
cls.root.withdraw()
@classmethod
def tearDownClass(cls):
cls.root.update_idletasks()
for id in cls.root.tk.call('after', 'info'):
cls.root.after_cancel(id)
cls.root.destroy()
del cls.root
def test_init(self):
e = Editor(root=self.root)
self.assertEqual(e.root, self.root)
e._close()
class GetLineIndentTest(unittest.TestCase):
def test_empty_lines(self):
for tabwidth in [1, 2, 4, 6, 8]:
for line in ['', '\n']:
with self.subTest(line=line, tabwidth=tabwidth):
self.assertEqual(
editor.get_line_indent(line, tabwidth=tabwidth),
(0, 0),
)
def test_tabwidth_4(self):
# (line, (raw, effective))
tests = (('no spaces', (0, 0)),
# Internal space isn't counted.
(' space test', (4, 4)),
('\ttab test', (1, 4)),
('\t\tdouble tabs test', (2, 8)),
# Different results when mixing tabs and spaces.
(' \tmixed test', (5, 8)),
(' \t mixed test', (5, 6)),
('\t mixed test', (5, 8)),
# Spaces not divisible by tabwidth.
(' \tmixed test', (3, 4)),
(' \t mixed test', (3, 5)),
('\t mixed test', (3, 6)),
# Only checks spaces and tabs.
('\nnewline test', (0, 0)))
for line, expected in tests:
with self.subTest(line=line):
self.assertEqual(
editor.get_line_indent(line, tabwidth=4),
expected,
)
def test_tabwidth_8(self):
# (line, (raw, effective))
tests = (('no spaces', (0, 0)),
# Internal space isn't counted.
(' space test', (8, 8)),
('\ttab test', (1, 8)),
('\t\tdouble tabs test', (2, 16)),
# Different results when mixing tabs and spaces.
(' \tmixed test', (9, 16)),
(' \t mixed test', (9, 10)),
('\t mixed test', (9, 16)),
# Spaces not divisible by tabwidth.
(' \tmixed test', (3, 8)),
(' \t mixed test', (3, 9)),
('\t mixed test', (3, 10)),
# Only checks spaces and tabs.
('\nnewline test', (0, 0)))
for line, expected in tests:
with self.subTest(line=line):
self.assertEqual(
editor.get_line_indent(line, tabwidth=8),
expected,
)
def insert(text, string):
text.delete('1.0', 'end')
text.insert('end', string)
text.update() # Force update for colorizer to finish.
class IndentAndNewlineTest(unittest.TestCase):
@classmethod
def setUpClass(cls):
requires('gui')
cls.root = Tk()
cls.root.withdraw()
cls.window = Editor(root=cls.root)
cls.window.indentwidth = 2
cls.window.tabwidth = 2
@classmethod
def tearDownClass(cls):
cls.window._close()
del cls.window
cls.root.update_idletasks()
for id in cls.root.tk.call('after', 'info'):
cls.root.after_cancel(id)
cls.root.destroy()
del cls.root
def test_indent_and_newline_event(self):
eq = self.assertEqual
w = self.window
text = w.text
get = text.get
nl = w.newline_and_indent_event
TestInfo = namedtuple('Tests', ['label', 'text', 'expected', 'mark'])
tests = (TestInfo('Empty line inserts with no indent.',
' \n def __init__(self):',
'\n \n def __init__(self):\n',
'1.end'),
TestInfo('Inside bracket before space, deletes space.',
' def f1(self, a, b):',
' def f1(self,\n a, b):\n',
'1.14'),
TestInfo('Inside bracket after space, deletes space.',
' def f1(self, a, b):',
' def f1(self,\n a, b):\n',
'1.15'),
TestInfo('Inside string with one line - no indent.',
' """Docstring."""',
' """Docstring.\n"""\n',
'1.15'),
TestInfo('Inside string with more than one line.',
' """Docstring.\n Docstring Line 2"""',
' """Docstring.\n Docstring Line 2\n """\n',
'2.18'),
TestInfo('Backslash with one line.',
'a =\\',
'a =\\\n \n',
'1.end'),
TestInfo('Backslash with more than one line.',
'a =\\\n multiline\\',
'a =\\\n multiline\\\n \n',
'2.end'),
TestInfo('Block opener - indents +1 level.',
' def f1(self):\n pass',
' def f1(self):\n \n pass\n',
'1.end'),
TestInfo('Block closer - dedents -1 level.',
' def f1(self):\n pass',
' def f1(self):\n pass\n \n',
'2.end'),
)
for test in tests:
with self.subTest(label=test.label):
insert(text, test.text)
text.mark_set('insert', test.mark)
nl(event=None)
eq(get('1.0', 'end'), test.expected)
# Selected text.
insert(text, ' def f1(self, a, b):\n return a + b')
text.tag_add('sel', '1.17', '1.end')
nl(None)
# Deletes selected text before adding new line.
eq(get('1.0', 'end'), ' def f1(self, a,\n \n return a + b\n')
class IndentSearcherTest(unittest.TestCase):
@classmethod
def setUpClass(cls):
requires('gui')
cls.root = Tk()
cls.root.withdraw()
cls.text = Text(cls.root)
@classmethod
def tearDownClass(cls):
cls.root.destroy()
del cls.root
def test_searcher(self):
text = self.text
searcher = (self.text)
test_info = (# text, (block, indent))
("", (None, None)),
("[1,", (None, None)), # TokenError
("if 1:\n", ('if 1:\n', None)),
("if 1:\n 2\n 3\n", ('if 1:\n', ' 2\n')),
)
for code, expected_pair in test_info:
with self.subTest(code=code):
insert(text, code)
actual_pair = editor.IndentSearcher(text).run()
self.assertEqual(actual_pair, expected_pair)
class RMenuTest(unittest.TestCase):
@classmethod
def setUpClass(cls):
requires('gui')
cls.root = Tk()
cls.root.withdraw()
cls.window = Editor(root=cls.root)
@classmethod
def tearDownClass(cls):
cls.window._close()
del cls.window
cls.root.update_idletasks()
for id in cls.root.tk.call('after', 'info'):
cls.root.after_cancel(id)
cls.root.destroy()
del cls.root
class DummyRMenu:
def tk_popup(x, y): pass
def test_rclick(self):
pass
if __name__ == '__main__':
unittest.main(verbosity=2)

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"Test filelist, coverage 19%."
from idlelib import filelist
import unittest
from test.support import requires
from tkinter import Tk
class FileListTest(unittest.TestCase):
@classmethod
def setUpClass(cls):
requires('gui')
cls.root = Tk()
cls.root.withdraw()
@classmethod
def tearDownClass(cls):
cls.root.update_idletasks()
for id in cls.root.tk.call('after', 'info'):
cls.root.after_cancel(id)
cls.root.destroy()
del cls.root
def test_new_empty(self):
flist = filelist.FileList(self.root)
self.assertEqual(flist.root, self.root)
e = flist.new()
self.assertEqual(type(e), flist.EditorWindow)
e._close()
if __name__ == '__main__':
unittest.main(verbosity=2)

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"Test format, coverage 99%."
from idlelib import format as ft
import unittest
from unittest import mock
from test.support import requires
from tkinter import Tk, Text
from idlelib.editor import EditorWindow
from idlelib.idle_test.mock_idle import Editor as MockEditor
class Is_Get_Test(unittest.TestCase):
"""Test the is_ and get_ functions"""
test_comment = '# This is a comment'
test_nocomment = 'This is not a comment'
trailingws_comment = '# This is a comment '
leadingws_comment = ' # This is a comment'
leadingws_nocomment = ' This is not a comment'
def test_is_all_white(self):
self.assertTrue(ft.is_all_white(''))
self.assertTrue(ft.is_all_white('\t\n\r\f\v'))
self.assertFalse(ft.is_all_white(self.test_comment))
def test_get_indent(self):
Equal = self.assertEqual
Equal(ft.get_indent(self.test_comment), '')
Equal(ft.get_indent(self.trailingws_comment), '')
Equal(ft.get_indent(self.leadingws_comment), ' ')
Equal(ft.get_indent(self.leadingws_nocomment), ' ')
def test_get_comment_header(self):
Equal = self.assertEqual
# Test comment strings
Equal(ft.get_comment_header(self.test_comment), '#')
Equal(ft.get_comment_header(self.trailingws_comment), '#')
Equal(ft.get_comment_header(self.leadingws_comment), ' #')
# Test non-comment strings
Equal(ft.get_comment_header(self.leadingws_nocomment), ' ')
Equal(ft.get_comment_header(self.test_nocomment), '')
class FindTest(unittest.TestCase):
"""Test the find_paragraph function in paragraph module.
Using the runcase() function, find_paragraph() is called with 'mark' set at
multiple indexes before and inside the test paragraph.
It appears that code with the same indentation as a quoted string is grouped
as part of the same paragraph, which is probably incorrect behavior.
"""
@classmethod
def setUpClass(cls):
from idlelib.idle_test.mock_tk import Text
cls.text = Text()
def runcase(self, inserttext, stopline, expected):
# Check that find_paragraph returns the expected paragraph when
# the mark index is set to beginning, middle, end of each line
# up to but not including the stop line
text = self.text
text.insert('1.0', inserttext)
for line in range(1, stopline):
linelength = int(text.index("%d.end" % line).split('.')[1])
for col in (0, linelength//2, linelength):
tempindex = "%d.%d" % (line, col)
self.assertEqual(ft.find_paragraph(text, tempindex), expected)
text.delete('1.0', 'end')
def test_find_comment(self):
comment = (
"# Comment block with no blank lines before\n"
"# Comment line\n"
"\n")
self.runcase(comment, 3, ('1.0', '3.0', '#', comment[0:58]))
comment = (
"\n"
"# Comment block with whitespace line before and after\n"
"# Comment line\n"
"\n")
self.runcase(comment, 4, ('2.0', '4.0', '#', comment[1:70]))
comment = (
"\n"
" # Indented comment block with whitespace before and after\n"
" # Comment line\n"
"\n")
self.runcase(comment, 4, ('2.0', '4.0', ' #', comment[1:82]))
comment = (
"\n"
"# Single line comment\n"
"\n")
self.runcase(comment, 3, ('2.0', '3.0', '#', comment[1:23]))
comment = (
"\n"
" # Single line comment with leading whitespace\n"
"\n")
self.runcase(comment, 3, ('2.0', '3.0', ' #', comment[1:51]))
comment = (
"\n"
"# Comment immediately followed by code\n"
"x = 42\n"
"\n")
self.runcase(comment, 3, ('2.0', '3.0', '#', comment[1:40]))
comment = (
"\n"
" # Indented comment immediately followed by code\n"
"x = 42\n"
"\n")
self.runcase(comment, 3, ('2.0', '3.0', ' #', comment[1:53]))
comment = (
"\n"
"# Comment immediately followed by indented code\n"
" x = 42\n"
"\n")
self.runcase(comment, 3, ('2.0', '3.0', '#', comment[1:49]))
def test_find_paragraph(self):
teststring = (
'"""String with no blank lines before\n'
'String line\n'
'"""\n'
'\n')
self.runcase(teststring, 4, ('1.0', '4.0', '', teststring[0:53]))
teststring = (
"\n"
'"""String with whitespace line before and after\n'
'String line.\n'
'"""\n'
'\n')
self.runcase(teststring, 5, ('2.0', '5.0', '', teststring[1:66]))
teststring = (
'\n'
' """Indented string with whitespace before and after\n'
' Comment string.\n'
' """\n'
'\n')
self.runcase(teststring, 5, ('2.0', '5.0', ' ', teststring[1:85]))
teststring = (
'\n'
'"""Single line string."""\n'
'\n')
self.runcase(teststring, 3, ('2.0', '3.0', '', teststring[1:27]))
teststring = (
'\n'
' """Single line string with leading whitespace."""\n'
'\n')
self.runcase(teststring, 3, ('2.0', '3.0', ' ', teststring[1:55]))
class ReformatFunctionTest(unittest.TestCase):
"""Test the reformat_paragraph function without the editor window."""
def test_reformat_paragraph(self):
Equal = self.assertEqual
reform = ft.reformat_paragraph
hw = "O hello world"
Equal(reform(' ', 1), ' ')
Equal(reform("Hello world", 20), "Hello world")
# Test without leading newline
Equal(reform(hw, 1), "O\nhello\nworld")
Equal(reform(hw, 6), "O\nhello\nworld")
Equal(reform(hw, 7), "O hello\nworld")
Equal(reform(hw, 12), "O hello\nworld")
Equal(reform(hw, 13), "O hello world")
# Test with leading newline
hw = "\nO hello world"
Equal(reform(hw, 1), "\nO\nhello\nworld")
Equal(reform(hw, 6), "\nO\nhello\nworld")
Equal(reform(hw, 7), "\nO hello\nworld")
Equal(reform(hw, 12), "\nO hello\nworld")
Equal(reform(hw, 13), "\nO hello world")
class ReformatCommentTest(unittest.TestCase):
"""Test the reformat_comment function without the editor window."""
def test_reformat_comment(self):
Equal = self.assertEqual
# reformat_comment formats to a minimum of 20 characters
test_string = (
" \"\"\"this is a test of a reformat for a triple quoted string"
" will it reformat to less than 70 characters for me?\"\"\"")
result = ft.reformat_comment(test_string, 70, " ")
expected = (
" \"\"\"this is a test of a reformat for a triple quoted string will it\n"
" reformat to less than 70 characters for me?\"\"\"")
Equal(result, expected)
test_comment = (
"# this is a test of a reformat for a triple quoted string will "
"it reformat to less than 70 characters for me?")
result = ft.reformat_comment(test_comment, 70, "#")
expected = (
"# this is a test of a reformat for a triple quoted string will it\n"
"# reformat to less than 70 characters for me?")
Equal(result, expected)
class FormatClassTest(unittest.TestCase):
def test_init_close(self):
instance = ft.FormatParagraph('editor')
self.assertEqual(instance.editwin, 'editor')
instance.close()
self.assertEqual(instance.editwin, None)
# For testing format_paragraph_event, Initialize FormatParagraph with
# a mock Editor with .text and .get_selection_indices. The text must
# be a Text wrapper that adds two methods
# A real EditorWindow creates unneeded, time-consuming baggage and
# sometimes emits shutdown warnings like this:
# "warning: callback failed in WindowList <class '_tkinter.TclError'>
# : invalid command name ".55131368.windows".
# Calling EditorWindow._close in tearDownClass prevents this but causes
# other problems (windows left open).
class TextWrapper:
def __init__(self, master):
self.text = Text(master=master)
def __getattr__(self, name):
return getattr(self.text, name)
def undo_block_start(self): pass
def undo_block_stop(self): pass
class Editor:
def __init__(self, root):
self.text = TextWrapper(root)
get_selection_indices = EditorWindow. get_selection_indices
class FormatEventTest(unittest.TestCase):
"""Test the formatting of text inside a Text widget.
This is done with FormatParagraph.format.paragraph_event,
which calls functions in the module as appropriate.
"""
test_string = (
" '''this is a test of a reformat for a triple "
"quoted string will it reformat to less than 70 "
"characters for me?'''\n")
multiline_test_string = (
" '''The first line is under the max width.\n"
" The second line's length is way over the max width. It goes "
"on and on until it is over 100 characters long.\n"
" Same thing with the third line. It is also way over the max "
"width, but FormatParagraph will fix it.\n"
" '''\n")
multiline_test_comment = (
"# The first line is under the max width.\n"
"# The second line's length is way over the max width. It goes on "
"and on until it is over 100 characters long.\n"
"# Same thing with the third line. It is also way over the max "
"width, but FormatParagraph will fix it.\n"
"# The fourth line is short like the first line.")
@classmethod
def setUpClass(cls):
requires('gui')
cls.root = Tk()
cls.root.withdraw()
editor = Editor(root=cls.root)
cls.text = editor.text.text # Test code does not need the wrapper.
cls.formatter = ft.FormatParagraph(editor).format_paragraph_event
# Sets the insert mark just after the re-wrapped and inserted text.
@classmethod
def tearDownClass(cls):
del cls.text, cls.formatter
cls.root.update_idletasks()
cls.root.destroy()
del cls.root
def test_short_line(self):
self.text.insert('1.0', "Short line\n")
self.formatter("Dummy")
self.assertEqual(self.text.get('1.0', 'insert'), "Short line\n" )
self.text.delete('1.0', 'end')
def test_long_line(self):
text = self.text
# Set cursor ('insert' mark) to '1.0', within text.
text.insert('1.0', self.test_string)
text.mark_set('insert', '1.0')
self.formatter('ParameterDoesNothing', limit=70)
result = text.get('1.0', 'insert')
# find function includes \n
expected = (
" '''this is a test of a reformat for a triple quoted string will it\n"
" reformat to less than 70 characters for me?'''\n") # yes
self.assertEqual(result, expected)
text.delete('1.0', 'end')
# Select from 1.11 to line end.
text.insert('1.0', self.test_string)
text.tag_add('sel', '1.11', '1.end')
self.formatter('ParameterDoesNothing', limit=70)
result = text.get('1.0', 'insert')
# selection excludes \n
expected = (
" '''this is a test of a reformat for a triple quoted string will it reformat\n"
" to less than 70 characters for me?'''") # no
self.assertEqual(result, expected)
text.delete('1.0', 'end')
def test_multiple_lines(self):
text = self.text
# Select 2 long lines.
text.insert('1.0', self.multiline_test_string)
text.tag_add('sel', '2.0', '4.0')
self.formatter('ParameterDoesNothing', limit=70)
result = text.get('2.0', 'insert')
expected = (
" The second line's length is way over the max width. It goes on and\n"
" on until it is over 100 characters long. Same thing with the third\n"
" line. It is also way over the max width, but FormatParagraph will\n"
" fix it.\n")
self.assertEqual(result, expected)
text.delete('1.0', 'end')
def test_comment_block(self):
text = self.text
# Set cursor ('insert') to '1.0', within block.
text.insert('1.0', self.multiline_test_comment)
self.formatter('ParameterDoesNothing', limit=70)
result = text.get('1.0', 'insert')
expected = (
"# The first line is under the max width. The second line's length is\n"
"# way over the max width. It goes on and on until it is over 100\n"
"# characters long. Same thing with the third line. It is also way over\n"
"# the max width, but FormatParagraph will fix it. The fourth line is\n"
"# short like the first line.\n")
self.assertEqual(result, expected)
text.delete('1.0', 'end')
# Select line 2, verify line 1 unaffected.
text.insert('1.0', self.multiline_test_comment)
text.tag_add('sel', '2.0', '3.0')
self.formatter('ParameterDoesNothing', limit=70)
result = text.get('1.0', 'insert')
expected = (
"# The first line is under the max width.\n"
"# The second line's length is way over the max width. It goes on and\n"
"# on until it is over 100 characters long.\n")
self.assertEqual(result, expected)
text.delete('1.0', 'end')
# The following block worked with EditorWindow but fails with the mock.
# Lines 2 and 3 get pasted together even though the previous block left
# the previous line alone. More investigation is needed.
## # Select lines 3 and 4
## text.insert('1.0', self.multiline_test_comment)
## text.tag_add('sel', '3.0', '5.0')
## self.formatter('ParameterDoesNothing')
## result = text.get('3.0', 'insert')
## expected = (
##"# Same thing with the third line. It is also way over the max width,\n"
##"# but FormatParagraph will fix it. The fourth line is short like the\n"
##"# first line.\n")
## self.assertEqual(result, expected)
## text.delete('1.0', 'end')
class DummyEditwin:
def __init__(self, root, text):
self.root = root
self.text = text
self.indentwidth = 4
self.tabwidth = 4
self.usetabs = False
self.context_use_ps1 = True
_make_blanks = EditorWindow._make_blanks
get_selection_indices = EditorWindow.get_selection_indices
class FormatRegionTest(unittest.TestCase):
@classmethod
def setUpClass(cls):
requires('gui')
cls.root = Tk()
cls.root.withdraw()
cls.text = Text(cls.root)
cls.text.undo_block_start = mock.Mock()
cls.text.undo_block_stop = mock.Mock()
cls.editor = DummyEditwin(cls.root, cls.text)
cls.formatter = ft.FormatRegion(cls.editor)
@classmethod
def tearDownClass(cls):
del cls.text, cls.formatter, cls.editor
cls.root.update_idletasks()
cls.root.destroy()
del cls.root
def setUp(self):
self.text.insert('1.0', self.code_sample)
def tearDown(self):
self.text.delete('1.0', 'end')
code_sample = """\
# WS line needed for test.
class C1:
# Class comment.
def __init__(self, a, b):
self.a = a
self.b = b
def compare(self):
if a > b:
return a
elif a < b:
return b
else:
return None
"""
def test_get_region(self):
get = self.formatter.get_region
text = self.text
eq = self.assertEqual
# Add selection.
text.tag_add('sel', '7.0', '10.0')
expected_lines = ['',
' def compare(self):',
' if a > b:',
'']
eq(get(), ('7.0', '10.0', '\n'.join(expected_lines), expected_lines))
# Remove selection.
text.tag_remove('sel', '1.0', 'end')
eq(get(), ('15.0', '16.0', '\n', ['', '']))
def test_set_region(self):
set_ = self.formatter.set_region
text = self.text
eq = self.assertEqual
save_bell = text.bell
text.bell = mock.Mock()
line6 = self.code_sample.splitlines()[5]
line10 = self.code_sample.splitlines()[9]
text.tag_add('sel', '6.0', '11.0')
head, tail, chars, lines = self.formatter.get_region()
# No changes.
set_(head, tail, chars, lines)
text.bell.assert_called_once()
eq(text.get('6.0', '11.0'), chars)
eq(text.get('sel.first', 'sel.last'), chars)
text.tag_remove('sel', '1.0', 'end')
# Alter selected lines by changing lines and adding a newline.
newstring = 'added line 1\n\n\n\n'
newlines = newstring.split('\n')
set_('7.0', '10.0', chars, newlines)
# Selection changed.
eq(text.get('sel.first', 'sel.last'), newstring)
# Additional line added, so last index is changed.
eq(text.get('7.0', '11.0'), newstring)
# Before and after lines unchanged.
eq(text.get('6.0', '7.0-1c'), line6)
eq(text.get('11.0', '12.0-1c'), line10)
text.tag_remove('sel', '1.0', 'end')
text.bell = save_bell
def test_indent_region_event(self):
indent = self.formatter.indent_region_event
text = self.text
eq = self.assertEqual
text.tag_add('sel', '7.0', '10.0')
indent()
# Blank lines aren't affected by indent.
eq(text.get('7.0', '10.0'), ('\n def compare(self):\n if a > b:\n'))
def test_dedent_region_event(self):
dedent = self.formatter.dedent_region_event
text = self.text
eq = self.assertEqual
text.tag_add('sel', '7.0', '10.0')
dedent()
# Blank lines aren't affected by dedent.
eq(text.get('7.0', '10.0'), ('\ndef compare(self):\n if a > b:\n'))
def test_comment_region_event(self):
comment = self.formatter.comment_region_event
text = self.text
eq = self.assertEqual
text.tag_add('sel', '7.0', '10.0')
comment()
eq(text.get('7.0', '10.0'), ('##\n## def compare(self):\n## if a > b:\n'))
def test_uncomment_region_event(self):
comment = self.formatter.comment_region_event
uncomment = self.formatter.uncomment_region_event
text = self.text
eq = self.assertEqual
text.tag_add('sel', '7.0', '10.0')
comment()
uncomment()
eq(text.get('7.0', '10.0'), ('\n def compare(self):\n if a > b:\n'))
# Only remove comments at the beginning of a line.
text.tag_remove('sel', '1.0', 'end')
text.tag_add('sel', '3.0', '4.0')
uncomment()
eq(text.get('3.0', '3.end'), (' # Class comment.'))
self.formatter.set_region('3.0', '4.0', '', ['# Class comment.', ''])
uncomment()
eq(text.get('3.0', '3.end'), (' Class comment.'))
@mock.patch.object(ft.FormatRegion, "_asktabwidth")
def test_tabify_region_event(self, _asktabwidth):
tabify = self.formatter.tabify_region_event
text = self.text
eq = self.assertEqual
text.tag_add('sel', '7.0', '10.0')
# No tabwidth selected.
_asktabwidth.return_value = None
self.assertIsNone(tabify())
_asktabwidth.return_value = 3
self.assertIsNotNone(tabify())
eq(text.get('7.0', '10.0'), ('\n\t def compare(self):\n\t\t if a > b:\n'))
@mock.patch.object(ft.FormatRegion, "_asktabwidth")
def test_untabify_region_event(self, _asktabwidth):
untabify = self.formatter.untabify_region_event
text = self.text
eq = self.assertEqual
text.tag_add('sel', '7.0', '10.0')
# No tabwidth selected.
_asktabwidth.return_value = None
self.assertIsNone(untabify())
_asktabwidth.return_value = 2
self.formatter.tabify_region_event()
_asktabwidth.return_value = 3
self.assertIsNotNone(untabify())
eq(text.get('7.0', '10.0'), ('\n def compare(self):\n if a > b:\n'))
@mock.patch.object(ft, "askinteger")
def test_ask_tabwidth(self, askinteger):
ask = self.formatter._asktabwidth
askinteger.return_value = 10
self.assertEqual(ask(), 10)
class IndentsTest(unittest.TestCase):
@mock.patch.object(ft, "askyesno")
def test_toggle_tabs(self, askyesno):
editor = DummyEditwin(None, None) # usetabs == False.
indents = ft.Indents(editor)
askyesno.return_value = True
indents.toggle_tabs_event(None)
self.assertEqual(editor.usetabs, True)
self.assertEqual(editor.indentwidth, 8)
indents.toggle_tabs_event(None)
self.assertEqual(editor.usetabs, False)
self.assertEqual(editor.indentwidth, 8)
@mock.patch.object(ft, "askinteger")
def test_change_indentwidth(self, askinteger):
editor = DummyEditwin(None, None) # indentwidth == 4.
indents = ft.Indents(editor)
askinteger.return_value = None
indents.change_indentwidth_event(None)
self.assertEqual(editor.indentwidth, 4)
askinteger.return_value = 3
indents.change_indentwidth_event(None)
self.assertEqual(editor.indentwidth, 3)
askinteger.return_value = 5
editor.usetabs = True
indents.change_indentwidth_event(None)
self.assertEqual(editor.indentwidth, 3)
class RstripTest(unittest.TestCase):
@classmethod
def setUpClass(cls):
requires('gui')
cls.root = Tk()
cls.root.withdraw()
cls.text = Text(cls.root)
cls.editor = MockEditor(text=cls.text)
cls.do_rstrip = ft.Rstrip(cls.editor).do_rstrip
@classmethod
def tearDownClass(cls):
del cls.text, cls.do_rstrip, cls.editor
cls.root.update_idletasks()
cls.root.destroy()
del cls.root
def tearDown(self):
self.text.delete('1.0', 'end-1c')
def test_rstrip_lines(self):
original = (
"Line with an ending tab \n"
"Line ending in 5 spaces \n"
"Linewithnospaces\n"
" indented line\n"
" indented line with trailing space \n"
" \n")
stripped = (
"Line with an ending tab\n"
"Line ending in 5 spaces\n"
"Linewithnospaces\n"
" indented line\n"
" indented line with trailing space\n")
self.text.insert('1.0', original)
self.do_rstrip()
self.assertEqual(self.text.get('1.0', 'insert'), stripped)
def test_rstrip_end(self):
text = self.text
for code in ('', '\n', '\n\n\n'):
with self.subTest(code=code):
text.insert('1.0', code)
self.do_rstrip()
self.assertEqual(text.get('1.0','end-1c'), '')
for code in ('a\n', 'a\n\n', 'a\n\n\n'):
with self.subTest(code=code):
text.delete('1.0', 'end-1c')
text.insert('1.0', code)
self.do_rstrip()
self.assertEqual(text.get('1.0','end-1c'), 'a\n')
if __name__ == '__main__':
unittest.main(verbosity=2, exit=2)

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""" !Changing this line will break Test_findfile.test_found!
Non-gui unit tests for grep.GrepDialog methods.
dummy_command calls grep_it calls findfiles.
An exception raised in one method will fail callers.
Otherwise, tests are mostly independent.
Currently only test grep_it, coverage 51%.
"""
from idlelib import grep
import unittest
from test.support import captured_stdout
from idlelib.idle_test.mock_tk import Var
import os
import re
class Dummy_searchengine:
'''GrepDialog.__init__ calls parent SearchDiabolBase which attaches the
passed in SearchEngine instance as attribute 'engine'. Only a few of the
many possible self.engine.x attributes are needed here.
'''
def getpat(self):
return self._pat
searchengine = Dummy_searchengine()
class Dummy_grep:
# Methods tested
#default_command = GrepDialog.default_command
grep_it = grep.GrepDialog.grep_it
# Other stuff needed
recvar = Var(False)
engine = searchengine
def close(self): # gui method
pass
_grep = Dummy_grep()
class FindfilesTest(unittest.TestCase):
@classmethod
def setUpClass(cls):
cls.realpath = os.path.realpath(__file__)
cls.path = os.path.dirname(cls.realpath)
@classmethod
def tearDownClass(cls):
del cls.realpath, cls.path
def test_invaliddir(self):
with captured_stdout() as s:
filelist = list(grep.findfiles('invaliddir', '*.*', False))
self.assertEqual(filelist, [])
self.assertIn('invalid', s.getvalue())
def test_curdir(self):
# Test os.curdir.
ff = grep.findfiles
save_cwd = os.getcwd()
os.chdir(self.path)
filename = 'test_grep.py'
filelist = list(ff(os.curdir, filename, False))
self.assertIn(os.path.join(os.curdir, filename), filelist)
os.chdir(save_cwd)
def test_base(self):
ff = grep.findfiles
readme = os.path.join(self.path, 'README.txt')
# Check for Python files in path where this file lives.
filelist = list(ff(self.path, '*.py', False))
# This directory has many Python files.
self.assertGreater(len(filelist), 10)
self.assertIn(self.realpath, filelist)
self.assertNotIn(readme, filelist)
# Look for .txt files in path where this file lives.
filelist = list(ff(self.path, '*.txt', False))
self.assertNotEqual(len(filelist), 0)
self.assertNotIn(self.realpath, filelist)
self.assertIn(readme, filelist)
# Look for non-matching pattern.
filelist = list(ff(self.path, 'grep.*', False))
self.assertEqual(len(filelist), 0)
self.assertNotIn(self.realpath, filelist)
def test_recurse(self):
ff = grep.findfiles
parent = os.path.dirname(self.path)
grepfile = os.path.join(parent, 'grep.py')
pat = '*.py'
# Get Python files only in parent directory.
filelist = list(ff(parent, pat, False))
parent_size = len(filelist)
# Lots of Python files in idlelib.
self.assertGreater(parent_size, 20)
self.assertIn(grepfile, filelist)
# Without subdirectories, this file isn't returned.
self.assertNotIn(self.realpath, filelist)
# Include subdirectories.
filelist = list(ff(parent, pat, True))
# More files found now.
self.assertGreater(len(filelist), parent_size)
self.assertIn(grepfile, filelist)
# This file exists in list now.
self.assertIn(self.realpath, filelist)
# Check another level up the tree.
parent = os.path.dirname(parent)
filelist = list(ff(parent, '*.py', True))
self.assertIn(self.realpath, filelist)
class Grep_itTest(unittest.TestCase):
# Test captured reports with 0 and some hits.
# Should test file names, but Windows reports have mixed / and \ separators
# from incomplete replacement, so 'later'.
def report(self, pat):
_grep.engine._pat = pat
with captured_stdout() as s:
_grep.grep_it(re.compile(pat), __file__)
lines = s.getvalue().split('\n')
lines.pop() # remove bogus '' after last \n
return lines
def test_unfound(self):
pat = 'xyz*'*7
lines = self.report(pat)
self.assertEqual(len(lines), 2)
self.assertIn(pat, lines[0])
self.assertEqual(lines[1], 'No hits.')
def test_found(self):
pat = '""" !Changing this line will break Test_findfile.test_found!'
lines = self.report(pat)
self.assertEqual(len(lines), 5)
self.assertIn(pat, lines[0])
self.assertIn('py: 1:', lines[1]) # line number 1
self.assertIn('2', lines[3]) # hits found 2
self.assertTrue(lines[4].startswith('(Hint:'))
class Default_commandTest(unittest.TestCase):
# To write this, move outwin import to top of GrepDialog
# so it can be replaced by captured_stdout in class setup/teardown.
pass
if __name__ == '__main__':
unittest.main(verbosity=2)

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"Test help, coverage 87%."
from idlelib import help
import unittest
from test.support import requires
requires('gui')
from os.path import abspath, dirname, join
from tkinter import Tk
class HelpFrameTest(unittest.TestCase):
@classmethod
def setUpClass(cls):
"By itself, this tests that file parsed without exception."
cls.root = root = Tk()
root.withdraw()
helpfile = join(dirname(dirname(abspath(__file__))), 'help.html')
cls.frame = help.HelpFrame(root, helpfile)
@classmethod
def tearDownClass(cls):
del cls.frame
cls.root.update_idletasks()
cls.root.destroy()
del cls.root
def test_line1(self):
text = self.frame.text
self.assertEqual(text.get('1.0', '1.end'), ' IDLE ')
if __name__ == '__main__':
unittest.main(verbosity=2)

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@@ -0,0 +1,182 @@
"""Test help_about, coverage 100%.
help_about.build_bits branches on sys.platform='darwin'.
'100% combines coverage on Mac and others.
"""
from idlelib import help_about
import unittest
from test.support import requires, findfile
from tkinter import Tk, TclError
from idlelib.idle_test.mock_idle import Func
from idlelib.idle_test.mock_tk import Mbox_func
from idlelib import textview
import os.path
from platform import python_version
About = help_about.AboutDialog
class LiveDialogTest(unittest.TestCase):
"""Simulate user clicking buttons other than [Close].
Test that invoked textview has text from source.
"""
@classmethod
def setUpClass(cls):
requires('gui')
cls.root = Tk()
cls.root.withdraw()
cls.dialog = About(cls.root, 'About IDLE', _utest=True)
@classmethod
def tearDownClass(cls):
del cls.dialog
cls.root.update_idletasks()
cls.root.destroy()
del cls.root
def test_build_bits(self):
self.assertIn(help_about.bits, ('32', '64'))
def test_dialog_title(self):
"""Test about dialog title"""
self.assertEqual(self.dialog.title(), 'About IDLE')
def test_dialog_logo(self):
"""Test about dialog logo."""
path, file = os.path.split(self.dialog.icon_image['file'])
fn, ext = os.path.splitext(file)
self.assertEqual(fn, 'idle_48')
def test_printer_buttons(self):
"""Test buttons whose commands use printer function."""
dialog = self.dialog
button_sources = [(dialog.py_license, license, 'license'),
(dialog.py_copyright, copyright, 'copyright'),
(dialog.py_credits, credits, 'credits')]
for button, printer, name in button_sources:
with self.subTest(name=name):
printer._Printer__setup()
button.invoke()
get = dialog._current_textview.viewframe.textframe.text.get
lines = printer._Printer__lines
if len(lines) < 2:
self.fail(name + ' full text was not found')
self.assertEqual(lines[0], get('1.0', '1.end'))
self.assertEqual(lines[1], get('2.0', '2.end'))
dialog._current_textview.destroy()
def test_file_buttons(self):
"""Test buttons that display files."""
dialog = self.dialog
button_sources = [(self.dialog.readme, 'README.txt', 'readme'),
(self.dialog.idle_news, 'NEWS.txt', 'news'),
(self.dialog.idle_credits, 'CREDITS.txt', 'credits')]
for button, filename, name in button_sources:
with self.subTest(name=name):
button.invoke()
fn = findfile(filename, subdir='idlelib')
get = dialog._current_textview.viewframe.textframe.text.get
with open(fn, encoding='utf-8') as f:
self.assertEqual(f.readline().strip(), get('1.0', '1.end'))
f.readline()
self.assertEqual(f.readline().strip(), get('3.0', '3.end'))
dialog._current_textview.destroy()
class DefaultTitleTest(unittest.TestCase):
"Test default title."
@classmethod
def setUpClass(cls):
requires('gui')
cls.root = Tk()
cls.root.withdraw()
cls.dialog = About(cls.root, _utest=True)
@classmethod
def tearDownClass(cls):
del cls.dialog
cls.root.update_idletasks()
cls.root.destroy()
del cls.root
def test_dialog_title(self):
"""Test about dialog title"""
self.assertEqual(self.dialog.title(),
f'About IDLE {python_version()}'
f' ({help_about.bits} bit)')
class CloseTest(unittest.TestCase):
"""Simulate user clicking [Close] button"""
@classmethod
def setUpClass(cls):
requires('gui')
cls.root = Tk()
cls.root.withdraw()
cls.dialog = About(cls.root, 'About IDLE', _utest=True)
@classmethod
def tearDownClass(cls):
del cls.dialog
cls.root.update_idletasks()
cls.root.destroy()
del cls.root
def test_close(self):
self.assertEqual(self.dialog.winfo_class(), 'Toplevel')
self.dialog.button_ok.invoke()
with self.assertRaises(TclError):
self.dialog.winfo_class()
class Dummy_about_dialog:
# Dummy class for testing file display functions.
idle_credits = About.show_idle_credits
idle_readme = About.show_readme
idle_news = About.show_idle_news
# Called by the above
display_file_text = About.display_file_text
_utest = True
class DisplayFileTest(unittest.TestCase):
"""Test functions that display files.
While somewhat redundant with gui-based test_file_dialog,
these unit tests run on all buildbots, not just a few.
"""
dialog = Dummy_about_dialog()
@classmethod
def setUpClass(cls):
cls.orig_error = textview.showerror
cls.orig_view = textview.view_text
cls.error = Mbox_func()
cls.view = Func()
textview.showerror = cls.error
textview.view_text = cls.view
@classmethod
def tearDownClass(cls):
textview.showerror = cls.orig_error
textview.view_text = cls.orig_view
def test_file_display(self):
for handler in (self.dialog.idle_credits,
self.dialog.idle_readme,
self.dialog.idle_news):
self.error.message = ''
self.view.called = False
with self.subTest(handler=handler):
handler()
self.assertEqual(self.error.message, '')
self.assertEqual(self.view.called, True)
if __name__ == '__main__':
unittest.main(verbosity=2)

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" Test history, coverage 100%."
from idlelib.history import History
import unittest
from test.support import requires
import tkinter as tk
from tkinter import Text as tkText
from idlelib.idle_test.mock_tk import Text as mkText
from idlelib.config import idleConf
line1 = 'a = 7'
line2 = 'b = a'
class StoreTest(unittest.TestCase):
'''Tests History.__init__ and History.store with mock Text'''
@classmethod
def setUpClass(cls):
cls.text = mkText()
cls.history = History(cls.text)
def tearDown(self):
self.text.delete('1.0', 'end')
self.history.history = []
def test_init(self):
self.assertIs(self.history.text, self.text)
self.assertEqual(self.history.history, [])
self.assertIsNone(self.history.prefix)
self.assertIsNone(self.history.pointer)
self.assertEqual(self.history.cyclic,
idleConf.GetOption("main", "History", "cyclic", 1, "bool"))
def test_store_short(self):
self.history.store('a')
self.assertEqual(self.history.history, [])
self.history.store(' a ')
self.assertEqual(self.history.history, [])
def test_store_dup(self):
self.history.store(line1)
self.assertEqual(self.history.history, [line1])
self.history.store(line2)
self.assertEqual(self.history.history, [line1, line2])
self.history.store(line1)
self.assertEqual(self.history.history, [line2, line1])
def test_store_reset(self):
self.history.prefix = line1
self.history.pointer = 0
self.history.store(line2)
self.assertIsNone(self.history.prefix)
self.assertIsNone(self.history.pointer)
class TextWrapper:
def __init__(self, master):
self.text = tkText(master=master)
self._bell = False
def __getattr__(self, name):
return getattr(self.text, name)
def bell(self):
self._bell = True
class FetchTest(unittest.TestCase):
'''Test History.fetch with wrapped tk.Text.
'''
@classmethod
def setUpClass(cls):
requires('gui')
cls.root = tk.Tk()
cls.root.withdraw()
def setUp(self):
self.text = text = TextWrapper(self.root)
text.insert('1.0', ">>> ")
text.mark_set('iomark', '1.4')
text.mark_gravity('iomark', 'left')
self.history = History(text)
self.history.history = [line1, line2]
@classmethod
def tearDownClass(cls):
cls.root.destroy()
del cls.root
def fetch_test(self, reverse, line, prefix, index, *, bell=False):
# Perform one fetch as invoked by Alt-N or Alt-P
# Test the result. The line test is the most important.
# The last two are diagnostic of fetch internals.
History = self.history
History.fetch(reverse)
Equal = self.assertEqual
Equal(self.text.get('iomark', 'end-1c'), line)
Equal(self.text._bell, bell)
if bell:
self.text._bell = False
Equal(History.prefix, prefix)
Equal(History.pointer, index)
Equal(self.text.compare("insert", '==', "end-1c"), 1)
def test_fetch_prev_cyclic(self):
prefix = ''
test = self.fetch_test
test(True, line2, prefix, 1)
test(True, line1, prefix, 0)
test(True, prefix, None, None, bell=True)
def test_fetch_next_cyclic(self):
prefix = ''
test = self.fetch_test
test(False, line1, prefix, 0)
test(False, line2, prefix, 1)
test(False, prefix, None, None, bell=True)
# Prefix 'a' tests skip line2, which starts with 'b'
def test_fetch_prev_prefix(self):
prefix = 'a'
self.text.insert('iomark', prefix)
self.fetch_test(True, line1, prefix, 0)
self.fetch_test(True, prefix, None, None, bell=True)
def test_fetch_next_prefix(self):
prefix = 'a'
self.text.insert('iomark', prefix)
self.fetch_test(False, line1, prefix, 0)
self.fetch_test(False, prefix, None, None, bell=True)
def test_fetch_prev_noncyclic(self):
prefix = ''
self.history.cyclic = False
test = self.fetch_test
test(True, line2, prefix, 1)
test(True, line1, prefix, 0)
test(True, line1, prefix, 0, bell=True)
def test_fetch_next_noncyclic(self):
prefix = ''
self.history.cyclic = False
test = self.fetch_test
test(False, prefix, None, None, bell=True)
test(True, line2, prefix, 1)
test(False, prefix, None, None, bell=True)
test(False, prefix, None, None, bell=True)
def test_fetch_cursor_move(self):
# Move cursor after fetch
self.history.fetch(reverse=True) # initialization
self.text.mark_set('insert', 'iomark')
self.fetch_test(True, line2, None, None, bell=True)
def test_fetch_edit(self):
# Edit after fetch
self.history.fetch(reverse=True) # initialization
self.text.delete('iomark', 'insert', )
self.text.insert('iomark', 'a =')
self.fetch_test(True, line1, 'a =', 0) # prefix is reset
def test_history_prev_next(self):
# Minimally test functions bound to events
self.history.history_prev('dummy event')
self.assertEqual(self.history.pointer, 1)
self.history.history_next('dummy event')
self.assertEqual(self.history.pointer, None)
if __name__ == '__main__':
unittest.main(verbosity=2, exit=2)

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@@ -0,0 +1,276 @@
"Test hyperparser, coverage 98%."
from idlelib.hyperparser import HyperParser
import unittest
from test.support import requires
from tkinter import Tk, Text
from idlelib.editor import EditorWindow
class DummyEditwin:
def __init__(self, text):
self.text = text
self.indentwidth = 8
self.tabwidth = 8
self.prompt_last_line = '>>>'
self.num_context_lines = 50, 500, 1000
_build_char_in_string_func = EditorWindow._build_char_in_string_func
is_char_in_string = EditorWindow.is_char_in_string
class HyperParserTest(unittest.TestCase):
code = (
'"""This is a module docstring"""\n'
'# this line is a comment\n'
'x = "this is a string"\n'
"y = 'this is also a string'\n"
'l = [i for i in range(10)]\n'
'm = [py*py for # comment\n'
' py in l]\n'
'x.__len__\n'
"z = ((r'asdf')+('a')))\n"
'[x for x in\n'
'for = False\n'
'cliché = "this is a string with unicode, what a cliché"'
)
@classmethod
def setUpClass(cls):
requires('gui')
cls.root = Tk()
cls.root.withdraw()
cls.text = Text(cls.root)
cls.editwin = DummyEditwin(cls.text)
@classmethod
def tearDownClass(cls):
del cls.text, cls.editwin
cls.root.destroy()
del cls.root
def setUp(self):
self.text.insert('insert', self.code)
def tearDown(self):
self.text.delete('1.0', 'end')
self.editwin.prompt_last_line = '>>>'
def get_parser(self, index):
"""
Return a parser object with index at 'index'
"""
return HyperParser(self.editwin, index)
def test_init(self):
"""
test corner cases in the init method
"""
with self.assertRaises(ValueError) as ve:
self.text.tag_add('console', '1.0', '1.end')
p = self.get_parser('1.5')
self.assertIn('precedes', str(ve.exception))
# test without ps1
self.editwin.prompt_last_line = ''
# number of lines lesser than 50
p = self.get_parser('end')
self.assertEqual(p.rawtext, self.text.get('1.0', 'end'))
# number of lines greater than 50
self.text.insert('end', self.text.get('1.0', 'end')*4)
p = self.get_parser('54.5')
def test_is_in_string(self):
get = self.get_parser
p = get('1.0')
self.assertFalse(p.is_in_string())
p = get('1.4')
self.assertTrue(p.is_in_string())
p = get('2.3')
self.assertFalse(p.is_in_string())
p = get('3.3')
self.assertFalse(p.is_in_string())
p = get('3.7')
self.assertTrue(p.is_in_string())
p = get('4.6')
self.assertTrue(p.is_in_string())
p = get('12.54')
self.assertTrue(p.is_in_string())
def test_is_in_code(self):
get = self.get_parser
p = get('1.0')
self.assertTrue(p.is_in_code())
p = get('1.1')
self.assertFalse(p.is_in_code())
p = get('2.5')
self.assertFalse(p.is_in_code())
p = get('3.4')
self.assertTrue(p.is_in_code())
p = get('3.6')
self.assertFalse(p.is_in_code())
p = get('4.14')
self.assertFalse(p.is_in_code())
def test_get_surrounding_bracket(self):
get = self.get_parser
def without_mustclose(parser):
# a utility function to get surrounding bracket
# with mustclose=False
return parser.get_surrounding_brackets(mustclose=False)
def with_mustclose(parser):
# a utility function to get surrounding bracket
# with mustclose=True
return parser.get_surrounding_brackets(mustclose=True)
p = get('3.2')
self.assertIsNone(with_mustclose(p))
self.assertIsNone(without_mustclose(p))
p = get('5.6')
self.assertTupleEqual(without_mustclose(p), ('5.4', '5.25'))
self.assertTupleEqual(without_mustclose(p), with_mustclose(p))
p = get('5.23')
self.assertTupleEqual(without_mustclose(p), ('5.21', '5.24'))
self.assertTupleEqual(without_mustclose(p), with_mustclose(p))
p = get('6.15')
self.assertTupleEqual(without_mustclose(p), ('6.4', '6.end'))
self.assertIsNone(with_mustclose(p))
p = get('9.end')
self.assertIsNone(with_mustclose(p))
self.assertIsNone(without_mustclose(p))
def test_get_expression(self):
get = self.get_parser
p = get('4.2')
self.assertEqual(p.get_expression(), 'y ')
p = get('4.7')
with self.assertRaises(ValueError) as ve:
p.get_expression()
self.assertIn('is inside a code', str(ve.exception))
p = get('5.25')
self.assertEqual(p.get_expression(), 'range(10)')
p = get('6.7')
self.assertEqual(p.get_expression(), 'py')
p = get('6.8')
self.assertEqual(p.get_expression(), '')
p = get('7.9')
self.assertEqual(p.get_expression(), 'py')
p = get('8.end')
self.assertEqual(p.get_expression(), 'x.__len__')
p = get('9.13')
self.assertEqual(p.get_expression(), "r'asdf'")
p = get('9.17')
with self.assertRaises(ValueError) as ve:
p.get_expression()
self.assertIn('is inside a code', str(ve.exception))
p = get('10.0')
self.assertEqual(p.get_expression(), '')
p = get('10.6')
self.assertEqual(p.get_expression(), '')
p = get('10.11')
self.assertEqual(p.get_expression(), '')
p = get('11.3')
self.assertEqual(p.get_expression(), '')
p = get('11.11')
self.assertEqual(p.get_expression(), 'False')
p = get('12.6')
self.assertEqual(p.get_expression(), 'cliché')
def test_eat_identifier(self):
def is_valid_id(candidate):
result = HyperParser._eat_identifier(candidate, 0, len(candidate))
if result == len(candidate):
return True
elif result == 0:
return False
else:
err_msg = "Unexpected result: {} (expected 0 or {}".format(
result, len(candidate)
)
raise Exception(err_msg)
# invalid first character which is valid elsewhere in an identifier
self.assertFalse(is_valid_id('2notid'))
# ASCII-only valid identifiers
self.assertTrue(is_valid_id('valid_id'))
self.assertTrue(is_valid_id('_valid_id'))
self.assertTrue(is_valid_id('valid_id_'))
self.assertTrue(is_valid_id('_2valid_id'))
# keywords which should be "eaten"
self.assertTrue(is_valid_id('True'))
self.assertTrue(is_valid_id('False'))
self.assertTrue(is_valid_id('None'))
# keywords which should not be "eaten"
self.assertFalse(is_valid_id('for'))
self.assertFalse(is_valid_id('import'))
self.assertFalse(is_valid_id('return'))
# valid unicode identifiers
self.assertTrue(is_valid_id('cliche'))
self.assertTrue(is_valid_id('cliché'))
self.assertTrue(is_valid_id(''))
# invalid unicode identifiers
self.assertFalse(is_valid_id('2a'))
self.assertFalse(is_valid_id('٢a'))
self.assertFalse(is_valid_id(''))
# valid identifier after "punctuation"
self.assertEqual(HyperParser._eat_identifier('+ var', 0, 5), len('var'))
self.assertEqual(HyperParser._eat_identifier('+var', 0, 4), len('var'))
self.assertEqual(HyperParser._eat_identifier('.var', 0, 4), len('var'))
# invalid identifiers
self.assertFalse(is_valid_id('+'))
self.assertFalse(is_valid_id(' '))
self.assertFalse(is_valid_id(':'))
self.assertFalse(is_valid_id('?'))
self.assertFalse(is_valid_id('^'))
self.assertFalse(is_valid_id('\\'))
self.assertFalse(is_valid_id('"'))
self.assertFalse(is_valid_id('"a string"'))
def test_eat_identifier_various_lengths(self):
eat_id = HyperParser._eat_identifier
for length in range(1, 21):
self.assertEqual(eat_id('a' * length, 0, length), length)
self.assertEqual(eat_id('é' * length, 0, length), length)
self.assertEqual(eat_id('a' + '2' * (length - 1), 0, length), length)
self.assertEqual(eat_id('é' + '2' * (length - 1), 0, length), length)
self.assertEqual(eat_id('é' + 'a' * (length - 1), 0, length), length)
self.assertEqual(eat_id('é' * (length - 1) + 'a', 0, length), length)
self.assertEqual(eat_id('+' * length, 0, length), 0)
self.assertEqual(eat_id('2' + 'a' * (length - 1), 0, length), 0)
self.assertEqual(eat_id('2' + 'é' * (length - 1), 0, length), 0)
if __name__ == '__main__':
unittest.main(verbosity=2)

View File

@@ -0,0 +1,84 @@
"Test , coverage 17%."
from idlelib import iomenu
import unittest
from test.support import requires
from tkinter import Tk
from idlelib.editor import EditorWindow
from idlelib import util
from idlelib.idle_test.mock_idle import Func
# Fail if either tokenize.open and t.detect_encoding does not exist.
# These are used in loadfile and encode.
# Also used in pyshell.MI.execfile and runscript.tabnanny.
from tokenize import open, detect_encoding
# Remove when we have proper tests that use both.
class IOBindingTest(unittest.TestCase):
@classmethod
def setUpClass(cls):
requires('gui')
cls.root = Tk()
cls.root.withdraw()
cls.editwin = EditorWindow(root=cls.root)
cls.io = iomenu.IOBinding(cls.editwin)
@classmethod
def tearDownClass(cls):
cls.io.close()
cls.editwin._close()
del cls.editwin
cls.root.update_idletasks()
for id in cls.root.tk.call('after', 'info'):
cls.root.after_cancel(id) # Need for EditorWindow.
cls.root.destroy()
del cls.root
def test_init(self):
self.assertIs(self.io.editwin, self.editwin)
def test_fixnewlines_end(self):
eq = self.assertEqual
io = self.io
fix = io.fixnewlines
text = io.editwin.text
# Make the editor temporarily look like Shell.
self.editwin.interp = None
shelltext = '>>> if 1'
self.editwin.get_prompt_text = Func(result=shelltext)
eq(fix(), shelltext) # Get... call and '\n' not added.
del self.editwin.interp, self.editwin.get_prompt_text
text.insert(1.0, 'a')
eq(fix(), 'a'+io.eol_convention)
eq(text.get('1.0', 'end-1c'), 'a\n')
eq(fix(), 'a'+io.eol_convention)
def _extension_in_filetypes(extension):
return any(
f'*{extension}' in filetype_tuple[1]
for filetype_tuple in iomenu.IOBinding.filetypes
)
class FiletypesTest(unittest.TestCase):
def test_python_source_files(self):
for extension in util.py_extensions:
with self.subTest(extension=extension):
self.assertTrue(
_extension_in_filetypes(extension)
)
def test_text_files(self):
self.assertTrue(_extension_in_filetypes('.txt'))
def test_all_files(self):
self.assertTrue(_extension_in_filetypes(''))
if __name__ == '__main__':
unittest.main(verbosity=2)

View File

@@ -0,0 +1,113 @@
"Test macosx, coverage 45% on Windows."
from idlelib import macosx
import unittest
from test.support import requires
import tkinter as tk
import unittest.mock as mock
from idlelib.filelist import FileList
mactypes = {'carbon', 'cocoa', 'xquartz'}
nontypes = {'other'}
alltypes = mactypes | nontypes
def setUpModule():
global orig_tktype
orig_tktype = macosx._tk_type
def tearDownModule():
macosx._tk_type = orig_tktype
class InitTktypeTest(unittest.TestCase):
"Test _init_tk_type."
@classmethod
def setUpClass(cls):
requires('gui')
cls.root = tk.Tk()
cls.root.withdraw()
cls.orig_platform = macosx.platform
@classmethod
def tearDownClass(cls):
cls.root.update_idletasks()
cls.root.destroy()
del cls.root
macosx.platform = cls.orig_platform
def test_init_sets_tktype(self):
"Test that _init_tk_type sets _tk_type according to platform."
for platform, types in ('darwin', alltypes), ('other', nontypes):
with self.subTest(platform=platform):
macosx.platform = platform
macosx._tk_type = None
macosx._init_tk_type()
self.assertIn(macosx._tk_type, types)
class IsTypeTkTest(unittest.TestCase):
"Test each of the four isTypeTk predecates."
isfuncs = ((macosx.isAquaTk, ('carbon', 'cocoa')),
(macosx.isCarbonTk, ('carbon')),
(macosx.isCocoaTk, ('cocoa')),
(macosx.isXQuartz, ('xquartz')),
)
@mock.patch('idlelib.macosx._init_tk_type')
def test_is_calls_init(self, mockinit):
"Test that each isTypeTk calls _init_tk_type when _tk_type is None."
macosx._tk_type = None
for func, whentrue in self.isfuncs:
with self.subTest(func=func):
func()
self.assertTrue(mockinit.called)
mockinit.reset_mock()
def test_isfuncs(self):
"Test that each isTypeTk return correct bool."
for func, whentrue in self.isfuncs:
for tktype in alltypes:
with self.subTest(func=func, whentrue=whentrue, tktype=tktype):
macosx._tk_type = tktype
(self.assertTrue if tktype in whentrue else self.assertFalse)\
(func())
class SetupTest(unittest.TestCase):
"Test setupApp."
@classmethod
def setUpClass(cls):
requires('gui')
cls.root = tk.Tk()
cls.root.withdraw()
def cmd(tkpath, func):
assert isinstance(tkpath, str)
assert isinstance(func, type(cmd))
cls.root.createcommand = cmd
@classmethod
def tearDownClass(cls):
cls.root.update_idletasks()
cls.root.destroy()
del cls.root
@mock.patch('idlelib.macosx.overrideRootMenu') #27312
def test_setupapp(self, overrideRootMenu):
"Call setupApp with each possible graphics type."
root = self.root
flist = FileList(root)
for tktype in alltypes:
with self.subTest(tktype=tktype):
macosx._tk_type = tktype
macosx.setupApp(root, flist)
if tktype in ('carbon', 'cocoa'):
self.assertTrue(overrideRootMenu.called)
overrideRootMenu.reset_mock()
if __name__ == '__main__':
unittest.main(verbosity=2)

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