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gh-92886: Fix tests that fail when running with optimizations (-O) in _test_multiprocessing.py #93233

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Oct 19, 2022
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51 changes: 28 additions & 23 deletions Lib/test/_test_multiprocessing.py
Original file line number Diff line number Diff line change
Expand Up @@ -5690,45 +5690,48 @@ def test_joinable_queue(self):

@classmethod
def _test_list(cls, obj):
assert obj[0] == 5
assert obj.count(5) == 1
assert obj.index(5) == 0
case = unittest.TestCase()
case.assertEqual(obj[0], 5)
case.assertEqual(obj.count(5), 1)
case.assertEqual(obj.index(5), 0)
obj.sort()
obj.reverse()
for x in obj:
pass
assert len(obj) == 1
assert obj.pop(0) == 5
case.assertEqual(len(obj), 1)
case.assertEqual(obj.pop(0), 5)

def test_list(self):
o = self.manager.list()
o.append(5)
self.run_worker(self._test_list, o)
assert not o
self.assertIsNotNone(o)
self.assertEqual(len(o), 0)

@classmethod
def _test_dict(cls, obj):
assert len(obj) == 1
assert obj['foo'] == 5
assert obj.get('foo') == 5
assert list(obj.items()) == [('foo', 5)]
assert list(obj.keys()) == ['foo']
assert list(obj.values()) == [5]
assert obj.copy() == {'foo': 5}
assert obj.popitem() == ('foo', 5)
case = unittest.TestCase()
case.assertEqual(len(obj), 1)
case.assertEqual(obj['foo'], 5)
case.assertEqual(obj.get('foo'), 5)
case.assertListEqual(list(obj.items()), [('foo', 5)])
case.assertListEqual(list(obj.keys()), ['foo'])
case.assertListEqual(list(obj.values()), [5])
case.assertDictEqual(obj.copy(), {'foo': 5})
case.assertTupleEqual(obj.popitem(), ('foo', 5))

def test_dict(self):
o = self.manager.dict()
o['foo'] = 5
self.run_worker(self._test_dict, o)
assert not o
self.assertIsNotNone(o)
self.assertEqual(len(o), 0)

@classmethod
def _test_value(cls, obj):
assert obj.value == 1
assert obj.get() == 1
case = unittest.TestCase()
case.assertEqual(obj.value, 1)
case.assertEqual(obj.get(), 1)
obj.set(2)

def test_value(self):
Expand All @@ -5739,19 +5742,21 @@ def test_value(self):

@classmethod
def _test_array(cls, obj):
assert obj[0] == 0
assert obj[1] == 1
assert len(obj) == 2
assert list(obj) == [0, 1]
case = unittest.TestCase()
case.assertEqual(obj[0], 0)
case.assertEqual(obj[1], 1)
case.assertEqual(len(obj), 2)
case.assertListEqual(list(obj), [0, 1])

def test_array(self):
o = self.manager.Array('i', [0, 1])
self.run_worker(self._test_array, o)

@classmethod
def _test_namespace(cls, obj):
assert obj.x == 0
assert obj.y == 1
case = unittest.TestCase()
case.assertEqual(obj.x, 0)
case.assertEqual(obj.y, 1)

def test_namespace(self):
o = self.manager.Namespace()
Expand Down
Original file line number Diff line number Diff line change
@@ -0,0 +1 @@
Fixing tests that fail when running with optimizations (``-O``) in ``_test_multiprocessing.py``