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| author | Miss Islington (bot) <31488909+miss-islington@users.noreply.github.com> | 2020-05-06 13:43:09 (GMT) |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2020-05-06 13:43:09 (GMT) |
| commit | bce4ddafdd188cc6deb1584728b67b9e149ca6a4 (patch) | |
| tree | 1d8aa1504c397e86ba73b8ea7d2f410bea9ab275 /Lib/test | |
| parent | a32587a60da5939a3932bb30432d2bdd3d6203d4 (diff) | |
| download | cpython-bce4ddafdd188cc6deb1584728b67b9e149ca6a4.zip cpython-bce4ddafdd188cc6deb1584728b67b9e149ca6a4.tar.gz cpython-bce4ddafdd188cc6deb1584728b67b9e149ca6a4.tar.bz2 | |
bpo-40527: Fix command line argument parsing (GH-19955)
(cherry picked from commit 2668a9a5aa506a048aef7b4881c8dcf6b81c6870)
Co-authored-by: Victor Stinner <vstinner@python.org>
Diffstat (limited to 'Lib/test')
| -rw-r--r-- | Lib/test/test_cmd_line.py | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/Lib/test/test_cmd_line.py b/Lib/test/test_cmd_line.py index 497bfa9..5fc5bff 100644 --- a/Lib/test/test_cmd_line.py +++ b/Lib/test/test_cmd_line.py @@ -740,6 +740,17 @@ class CmdLineTest(unittest.TestCase): self.assertEqual(proc.returncode, 0, proc) self.assertEqual(proc.stdout.strip(), b'0') + def test_parsing_error(self): + args = [sys.executable, '-I', '--unknown-option'] + proc = subprocess.run(args, + stdout=subprocess.PIPE, + stderr=subprocess.PIPE, + text=True) + err_msg = "unknown option --unknown-option\nusage: " + self.assertTrue(proc.stderr.startswith(err_msg), proc.stderr) + self.assertNotEqual(proc.returncode, 0) + + @unittest.skipIf(interpreter_requires_environment(), 'Cannot run -I tests when PYTHON env vars are required.') class IgnoreEnvironmentTest(unittest.TestCase): |