diff options
Diffstat (limited to 'Lib/test/test_cmd_line.py')
| -rw-r--r-- | Lib/test/test_cmd_line.py | 23 |
1 files changed, 19 insertions, 4 deletions
diff --git a/Lib/test/test_cmd_line.py b/Lib/test/test_cmd_line.py index 1b40e0d..f540973 100644 --- a/Lib/test/test_cmd_line.py +++ b/Lib/test/test_cmd_line.py @@ -972,10 +972,25 @@ class CmdLineTest(unittest.TestCase): @unittest.skipUnless(support.MS_WINDOWS, 'Test only applicable on Windows') def test_python_legacy_windows_stdio(self): - code = "import sys; print(sys.stdin.encoding, sys.stdout.encoding)" - expected = 'cp' - rc, out, err = assert_python_ok('-c', code, PYTHONLEGACYWINDOWSSTDIO='1') - self.assertIn(expected.encode(), out) + # Test that _WindowsConsoleIO is used when PYTHONLEGACYWINDOWSSTDIO + # is not set. + # We cannot use PIPE becase it prevents creating new console. + # So we use exit code. + code = "import sys; sys.exit(type(sys.stdout.buffer.raw).__name__ != '_WindowsConsoleIO')" + env = os.environ.copy() + env["PYTHONLEGACYWINDOWSSTDIO"] = "" + p = subprocess.run([sys.executable, "-c", code], + creationflags=subprocess.CREATE_NEW_CONSOLE, + env=env) + self.assertEqual(p.returncode, 0) + + # Then test that FIleIO is used when PYTHONLEGACYWINDOWSSTDIO is set. + code = "import sys; sys.exit(type(sys.stdout.buffer.raw).__name__ != 'FileIO')" + env["PYTHONLEGACYWINDOWSSTDIO"] = "1" + p = subprocess.run([sys.executable, "-c", code], + creationflags=subprocess.CREATE_NEW_CONSOLE, + env=env) + self.assertEqual(p.returncode, 0) @unittest.skipIf("-fsanitize" in sysconfig.get_config_vars().get('PY_CFLAGS', ()), "PYTHONMALLOCSTATS doesn't work with ASAN") |