From 4120a1662c1fa2e965ebbddbf7365cbaa4fc5cee 2013-12-13 22:46:51
From: Thomas Kluyver <takowl@gmail.com>
Date: 2013-12-13 22:46:51
Subject: [PATCH] Capture server logs when running notebook tests

---

diff --git a/IPython/html/tests/launchnotebook.py b/IPython/html/tests/launchnotebook.py
index f9a9058..409f0e0 100644
--- a/IPython/html/tests/launchnotebook.py
+++ b/IPython/html/tests/launchnotebook.py
@@ -1,13 +1,14 @@
 """Base class for notebook tests."""
 
-import os
 import sys
 import time
 import requests
 from contextlib import contextmanager
-from subprocess import Popen, PIPE
+from subprocess import Popen, STDOUT
 from unittest import TestCase
 
+import nose
+
 from IPython.utils.tempdir import TemporaryDirectory
 
 class NotebookTestBase(TestCase):
@@ -55,11 +56,11 @@ class NotebookTestBase(TestCase):
             '--ipython-dir=%s' % cls.ipython_dir.name,
             '--notebook-dir=%s' % cls.notebook_dir.name,
         ]
-        devnull = open(os.devnull, 'w')
         cls.notebook = Popen(notebook_args,
-            stdout=devnull,
-            stderr=devnull,
+            stdout=nose.ipy_stream_capturer.writefd,
+            stderr=STDOUT,
         )
+        nose.ipy_stream_capturer.ensure_started()
         cls.wait_until_alive()
 
     @classmethod