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gh-93353: regrtest checks for leaked temporary files (#93776)

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When running tests with -jN, create a temporary directory per process
and mark a test as "environment changed" if a test leaks a temporary
file or directory.
This commit is contained in:
Victor Stinner 2022-06-14 13:43:02 +02:00 • committed by GitHub
parent b083450f88
commit e566ce5496
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3 changed files with 55 additions and 7 deletions
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20
Lib/test/test_regrtest.py
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@ -1357,6 +1357,26 @@ class ArgsTestCase(BaseTestCase):
for name in names:
self.assertFalse(os.path.exists(name), name)
def test_leak_tmp_file(self):
code = textwrap.dedent(r"""
import os.path
import tempfile
import unittest
class FileTests(unittest.TestCase):
def test_leak_tmp_file(self):
filename = os.path.join(tempfile.gettempdir(), 'mytmpfile')
with open(filename, "wb") as fp:
fp.write(b'content')
""")
testname = self.create_test(code=code)
output = self.run_tests("--fail-env-changed", "-v", "-j1", testname, exitcode=3)
self.check_executed_tests(output, [testname],
env_changed=[testname],
fail_env_changed=True)
self.assertIn("Warning -- Test leaked temporary files (1): mytmpfile", output)
class TestUtils(unittest.TestCase):
def test_format_duration(self):