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bpo-45046: Support context managers in unittest (GH-28045)

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Add methods enterContext() and enterClassContext() in TestCase.
Add method enterAsyncContext() in IsolatedAsyncioTestCase.
Add function enterModuleContext().
(cherry picked from commit 086c6b1b0f)

Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
This commit is contained in:
Miss Islington (bot) 2022-05-08 08:12:19 -07:00 • committed by GitHub
parent a85bdd7e02
commit c63c8ac238
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GPG key ID: 4AEE18F83AFDEB23
26 changed files with 307 additions and 92 deletions
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12
Lib/test/test_posix.py
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@ -53,19 +53,13 @@ class PosixTester(unittest.TestCase):
def setUp(self):
# create empty file
self.addCleanup(os_helper.unlink, os_helper.TESTFN)
with open(os_helper.TESTFN, "wb"):
pass
self.teardown_files = [ os_helper.TESTFN ]
self._warnings_manager = warnings_helper.check_warnings()
self._warnings_manager.__enter__()
self.enterContext(warnings_helper.check_warnings())
warnings.filterwarnings('ignore', '.* potential security risk .*',
RuntimeWarning)
def tearDown(self):
for teardown_file in self.teardown_files:
os_helper.unlink(teardown_file)
self._warnings_manager.__exit__(None, None, None)
def testNoArgFunctions(self):
# test posix functions which take no arguments and have
# no side-effects which we need to cleanup (e.g., fork, wait, abort)
@ -973,8 +967,8 @@ class PosixTester(unittest.TestCase):
self.assertTrue(hasattr(testfn_st, 'st_flags'))
self.addCleanup(os_helper.unlink, _DUMMY_SYMLINK)
os.symlink(os_helper.TESTFN, _DUMMY_SYMLINK)
self.teardown_files.append(_DUMMY_SYMLINK)
dummy_symlink_st = os.lstat(_DUMMY_SYMLINK)
def chflags_nofollow(path, flags):