update

.CondaPkg/env/Lib/site-packages/skimage/graph/tests/test_spath.py

@@ -0,0 +1,32 @@
+import numpy as np
+import skimage.graph.spath as spath
+
+from skimage._shared.testing import assert_equal, assert_array_equal
+
+
+def test_basic():
+    x = np.array([[1, 1, 3], [0, 2, 0], [4, 3, 1]])
+    path, cost = spath.shortest_path(x)
+    assert_array_equal(path, [0, 0, 1])
+    assert_equal(cost, 1)
+
+
+def test_reach():
+    x = np.array([[1, 1, 3], [0, 2, 0], [4, 3, 1]])
+    path, cost = spath.shortest_path(x, reach=2)
+    assert_array_equal(path, [0, 0, 2])
+    assert_equal(cost, 0)
+
+
+def test_non_square():
+    x = np.array(
+        [
+            [1, 1, 1, 1, 5, 5, 5],
+            [5, 0, 0, 5, 9, 1, 1],
+            [0, 5, 1, 0, 5, 5, 0],
+            [6, 1, 1, 5, 0, 0, 1],
+        ]
+    )
+    path, cost = spath.shortest_path(x, reach=2)
+    assert_array_equal(path, [2, 1, 1, 2, 3, 3, 2])
+    assert_equal(cost, 0)