From 5366cef17dcfd4f99acac5f2fb02e234b271b806 Mon Sep 17 00:00:00 2001
From: Jonathan Frederic <jdfreder@calpoly.edu>
Date: Tue, 21 Oct 2014 16:43:30 -0700
Subject: [PATCH] Fix an issue in the `kernel_running` function of the JS
 tests, This fix allows the JS test to be ran against a remote server with a
 higher than LAN latency.  This bug in our testing framework was exposed when
 running `iptest js/widgets --url` against tmpnb.

---
 IPython/html/tests/util.js | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/IPython/html/tests/util.js b/IPython/html/tests/util.js
index 9e159a6d4..464751cae 100644
--- a/IPython/html/tests/util.js
+++ b/IPython/html/tests/util.js
@@ -58,7 +58,10 @@ casper.page_loaded = function() {
 casper.kernel_running = function() {
     // Return whether or not the kernel is running.
     return this.evaluate(function() {
-        return IPython.notebook.kernel.is_connected();
+        return IPython &&
+        IPython.notebook &&
+        IPython.notebook.kernel &&
+        IPython.notebook.kernel.is_connected();
     });
 };