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-rw-r--r--Lib/test/test_graphlib.py17
1 files changed, 13 insertions, 4 deletions
diff --git a/Lib/test/test_graphlib.py b/Lib/test/test_graphlib.py
index 0043253..86246a6 100644
--- a/Lib/test/test_graphlib.py
+++ b/Lib/test/test_graphlib.py
@@ -13,13 +13,19 @@ class TestTopologicalSort(unittest.TestCase):
nodes = ts.get_ready()
for node in nodes:
ts.done(node)
- yield nodes
+ yield tuple(sorted(nodes))
ts = graphlib.TopologicalSorter(graph)
self.assertEqual(list(static_order_with_groups(ts)), list(expected))
ts = graphlib.TopologicalSorter(graph)
- self.assertEqual(list(ts.static_order()), list(chain(*expected)))
+ # need to be a bit careful comparing the result of ts.static_order and
+ # expected, because the order within a group is dependent on set
+ # iteration order
+ it = iter(ts.static_order())
+ for group in expected:
+ tsgroup = {next(it) for element in group}
+ self.assertEqual(set(group), tsgroup)
def _assert_cycle(self, graph, cycle):
ts = graphlib.TopologicalSorter()
@@ -36,7 +42,7 @@ class TestTopologicalSort(unittest.TestCase):
def test_simple_cases(self):
self._test_graph(
{2: {11}, 9: {11, 8}, 10: {11, 3}, 11: {7, 5}, 8: {7, 3}},
- [(3, 5, 7), (11, 8), (2, 10, 9)],
+ [(3, 5, 7), (8, 11), (2, 9, 10)],
)
self._test_graph({1: {}}, [(1,)])
@@ -80,7 +86,7 @@ class TestTopologicalSort(unittest.TestCase):
def test_the_node_multiple_times(self):
# Test same node multiple times in dependencies
- self._test_graph({1: {2}, 3: {4}, 0: [2, 4, 4, 4, 4, 4]}, [(2, 4), (1, 3, 0)])
+ self._test_graph({1: {2}, 3: {4}, 0: [2, 4, 4, 4, 4, 4]}, [(2, 4), (0, 1, 3)])
# Test adding the same dependency multiple times
ts = graphlib.TopologicalSorter()
@@ -242,3 +248,6 @@ class TestTopologicalSort(unittest.TestCase):
self.assertNotEqual(run1, "")
self.assertNotEqual(run2, "")
self.assertEqual(run1, run2)
+
+if __name__ == "__main__":
+ unittest.main()