From 12c2e1bfee2a6a8dae3dd4f38c9a6577f4e40f1a Mon Sep 17 00:00:00 2001
From: Usman Khalid <2200617@gmail.com>
Date: Thu, 3 Apr 2014 00:01:47 +0500
Subject: [PATCH] Test TemplateLookup dirs are not cleared during lms startup.

LMS-2498
---
 lms/tests.py | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)
 create mode 100644 lms/tests.py

diff --git a/lms/tests.py b/lms/tests.py
new file mode 100644
index 0000000000..a164dd654e
--- /dev/null
+++ b/lms/tests.py
@@ -0,0 +1,23 @@
+"""Tests for the lms module itself."""
+
+from django.test import TestCase
+
+from edxmako import add_lookup, LOOKUP
+from lms import startup
+
+class TemplateLookupTests(TestCase):
+    """
+    Tests for TemplateLookup.
+    """
+
+    def test_add_lookup_to_main(self):
+        """Test that any template directories added are not cleared when microsites are enabled."""
+
+        add_lookup('main', 'external_module', __name__)
+        directories = LOOKUP['main'].directories
+        self.assertEqual(len([dir for dir in directories if 'external_module' in dir]), 1)
+
+        # This should not clear the directories list
+        startup.enable_microsites()
+        directories = LOOKUP['main'].directories
+        self.assertEqual(len([dir for dir in directories if 'external_module' in dir]), 1)