From ddbb7e8adcf01095684fba442dcd38ff978356a5 Mon Sep 17 00:00:00 2001 From: Ben Darnell Date: Sat, 16 Feb 2013 11:18:50 -0500 Subject: [PATCH] Add a test for subprocess with stderr as a separate stream --- tornado/test/process_test.py | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/tornado/test/process_test.py b/tornado/test/process_test.py index db03906d5..918f3bbd6 100644 --- a/tornado/test/process_test.py +++ b/tornado/test/process_test.py @@ -154,6 +154,16 @@ class SubprocessTest(AsyncTestCase): data = self.wait() self.assertEqual(data, b"") + def test_stderr(self): + subproc = Subprocess([sys.executable, '-u', '-c', + r"import sys; sys.stderr.write('hello\n')"], + stderr=Subprocess.STREAM, + io_loop=self.io_loop) + self.addCleanup(lambda: os.kill(subproc.pid, signal.SIGTERM)) + subproc.stderr.read_until(b'\n', self.stop) + data = self.wait() + self.assertEqual(data, b'hello\n') + def test_sigchild(self): # Twisted's SIGCHLD handler and Subprocess's conflict with each other. skip_if_twisted() -- 2.47.2