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gh-131234: Improve test_popen with more asserts (#131235)

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sobolevn 2025-03-14 14:38:31 +03:00 • committed by GitHub
parent 2250ab6a13
commit fc07f863ee
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1 changed files with 9 additions and 2 deletions
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11
Lib/test/test_popen.py
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@ -57,14 +57,21 @@ class PopenTest(unittest.TestCase):
def test_contextmanager(self):
with os.popen("echo hello") as f:
self.assertEqual(f.read(), "hello\n")
self.assertFalse(f.closed)
self.assertTrue(f.closed)
def test_iterating(self):
with os.popen("echo hello") as f:
self.assertEqual(list(f), ["hello\n"])
self.assertFalse(f.closed)
self.assertTrue(f.closed)
def test_keywords(self):
with os.popen(cmd="exit 0", mode="w", buffering=-1):
pass
with os.popen(cmd="echo hello", mode="r", buffering=-1) as f:
self.assertEqual(f.read(), "hello\n")
self.assertFalse(f.closed)
self.assertTrue(f.closed)
if __name__ == "__main__":
unittest.main()