diff -r 000000000000 -r 6474c204b198 addon-sdk/source/python-lib/cuddlefish/tests/test_runner.py
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/addon-sdk/source/python-lib/cuddlefish/tests/test_runner.py	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,27 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+
+def xulrunner_app_runner_doctests():
+    """
+    >>> import sys
+    >>> from cuddlefish import runner
+    >>> runner.XulrunnerAppRunner(binary='foo')
+    Traceback (most recent call last):
+    ...
+    Exception: Binary path does not exist foo
+
+    >>> runner.XulrunnerAppRunner(binary=sys.executable)
+    Traceback (most recent call last):
+    ...
+    ValueError: application.ini not found in cmdargs
+
+    >>> runner.XulrunnerAppRunner(binary=sys.executable,
+    ...                         cmdargs=['application.ini'])
+    Traceback (most recent call last):
+    ...
+    ValueError: file does not exist: 'application.ini'
+    """
+
+    pass