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Issue #22894: TestCase.subTest() would cause the test suite to be stopped when in failfast mode, even in the absence of failures.
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3 changed files with 33 additions and 1 deletions
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@ -397,6 +397,34 @@ class Test_TestCase(unittest.TestCase, TestEquality, TestHashing):
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Foo(events).run(result)
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self.assertEqual(events, expected)
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def test_subtests_failfast(self):
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# Ensure proper test flow with subtests and failfast (issue #22894)
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events = []
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class Foo(unittest.TestCase):
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def test_a(self):
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with self.subTest():
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events.append('a1')
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events.append('a2')
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def test_b(self):
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with self.subTest():
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events.append('b1')
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with self.subTest():
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self.fail('failure')
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events.append('b2')
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def test_c(self):
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events.append('c')
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result = unittest.TestResult()
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result.failfast = True
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suite = unittest.makeSuite(Foo)
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suite.run(result)
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expected = ['a1', 'a2', 'b1']
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self.assertEqual(events, expected)
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# "This class attribute gives the exception raised by the test() method.
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# If a test framework needs to use a specialized exception, possibly to
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# carry additional information, it must subclass this exception in
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