fix
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@@ -1,44 +0,0 @@
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"Test delegator, coverage 100%."
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from idlelib.delegator import Delegator
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import unittest
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class DelegatorTest(unittest.TestCase):
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def test_mydel(self):
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# Test a simple use scenario.
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# Initialize an int delegator.
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mydel = Delegator(int)
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self.assertIs(mydel.delegate, int)
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self.assertEqual(mydel._Delegator__cache, set())
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# Trying to access a non-attribute of int fails.
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self.assertRaises(AttributeError, mydel.__getattr__, 'xyz')
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# Add real int attribute 'bit_length' by accessing it.
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bl = mydel.bit_length
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self.assertIs(bl, int.bit_length)
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self.assertIs(mydel.__dict__['bit_length'], int.bit_length)
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self.assertEqual(mydel._Delegator__cache, {'bit_length'})
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# Add attribute 'numerator'.
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mydel.numerator
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self.assertEqual(mydel._Delegator__cache, {'bit_length', 'numerator'})
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# Delete 'numerator'.
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del mydel.numerator
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self.assertNotIn('numerator', mydel.__dict__)
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# The current implementation leaves it in the name cache.
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# self.assertIn('numerator', mydel._Delegator__cache)
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# However, this is not required and not part of the specification
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# Change delegate to float, first resetting the attributes.
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mydel.setdelegate(float) # calls resetcache
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self.assertNotIn('bit_length', mydel.__dict__)
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self.assertEqual(mydel._Delegator__cache, set())
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self.assertIs(mydel.delegate, float)
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if __name__ == '__main__':
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unittest.main(verbosity=2, exit=2)
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