From: Ben Darnell <ben@bendarnell.com>
Date: Sat, 16 Feb 2013 16:18:50 +0000 (-0500)
Subject: Add a test for subprocess with stderr as a separate stream
X-Git-Tag: v3.0.0~120
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ddbb7e8adcf01095684fba442dcd38ff978356a5;p=thirdparty%2Ftornado.git

Add a test for subprocess with stderr as a separate stream
---

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()