diff options
Diffstat (limited to 'Lib/test/test_platform.py')
| -rw-r--r-- | Lib/test/test_platform.py | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/Lib/test/test_platform.py b/Lib/test/test_platform.py index ec134a1..9201154 100644 --- a/Lib/test/test_platform.py +++ b/Lib/test/test_platform.py @@ -247,6 +247,34 @@ class PlatformTest(unittest.TestCase): ): self.assertEqual(platform._parse_release_file(input), output) + def test_popen(self): + mswindows = (sys.platform == "win32") + + if mswindows: + command = '"{}" -c "print(\'Hello\')"'.format(sys.executable) + else: + command = "'{}' -c 'print(\"Hello\")'".format(sys.executable) + with platform.popen(command) as stdout: + hello = stdout.read().strip() + stdout.close() + self.assertEqual(hello, "Hello") + + data = 'plop' + if mswindows: + command = '"{}" -c "import sys; data=sys.stdin.read(); exit(len(data))"' + else: + command = "'{}' -c 'import sys; data=sys.stdin.read(); exit(len(data))'" + command = command.format(sys.executable) + with platform.popen(command, 'w') as stdin: + stdout = stdin.write(data) + ret = stdin.close() + self.assertIsNotNone(ret) + if os.name == 'nt': + returncode = ret + else: + returncode = ret >> 8 + self.assertEqual(returncode, len(data)) + def test_main(): support.run_unittest( |