diff options
Diffstat (limited to 'Lib/test/test_asyncio/test_subprocess.py')
| -rw-r--r-- | Lib/test/test_asyncio/test_subprocess.py | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/Lib/test/test_asyncio/test_subprocess.py b/Lib/test/test_asyncio/test_subprocess.py index 9060b9d3ed3..5c0a2c85e31 100644 --- a/Lib/test/test_asyncio/test_subprocess.py +++ b/Lib/test/test_asyncio/test_subprocess.py @@ -198,6 +198,27 @@ class SubprocessMixin: self.assertTrue(transport.pause_reading.called) self.assertTrue(transport.resume_reading.called) + def test_stdin_not_inheritable(self): + # Tulip issue #209: stdin must not be inheritable, otherwise + # the Process.communicate() hangs + @asyncio.coroutine + def len_message(message): + code = 'import sys; data = sys.stdin.read(); print(len(data))' + proc = yield from asyncio.create_subprocess_exec( + sys.executable, '-c', code, + stdin=asyncio.subprocess.PIPE, + stdout=asyncio.subprocess.PIPE, + stderr=asyncio.subprocess.PIPE, + close_fds=False, + loop=self.loop) + stdout, stderr = yield from proc.communicate(message) + exitcode = yield from proc.wait() + return (stdout, exitcode) + + output, exitcode = self.loop.run_until_complete(len_message(b'abc')) + self.assertEqual(output.rstrip(), b'3') + self.assertEqual(exitcode, 0) + if sys.platform != 'win32': # Unix |