Add in a test for the marketing_link function in mitxmako

common/djangoapps/mitxmako/tests.py

+from django.test import TestCase
+from django.test.utils import override_settings
+from django.core.urlresolvers import reverse
+from django.conf import settings
+from mitxmako.shortcuts import marketing_link
+from mock import patch
+
+
+class ShortcutsTests(TestCase):
+    """
+    Test the mitxmako shortcuts file
+    """
+
+    @override_settings(MKTG_URLS={'ROOT': 'dummy-root', 'ABOUT': '/about-us'})
+    @override_settings(MKTG_URL_LINK_MAP={'ABOUT': 'about_edx'})
+    def test_marketing_link(self):
+        # test marketing site on
+        with patch.dict('django.conf.settings.MITX_FEATURES', {'ENABLE_MKTG_SITE': True}):
+            expected_link = 'dummy-root/about-us'
+            link = marketing_link('ABOUT')
+            self.assertEquals(link, expected_link)
+        # test marketing site off
+        with patch.dict('django.conf.settings.MITX_FEATURES', {'ENABLE_MKTG_SITE': False}):
+            expected_link = reverse('about_edx')
+            link = marketing_link('ABOUT')
+            self.assertEquals(link, expected_link)