Fix unit test failures due to duplicate url names

Reset the correct URLs module to fix test failures.

Fix third party auth to reconfigure the registry on test cleanup.

common/djangoapps/third_party_auth/tests/testutil.py

@@ -30,8 +30,10 @@ class TestCase(unittest.TestCase):
 
     def setUp(self):
         super(TestCase, self).setUp()
+        self._original_providers = provider.Registry._get_all()
         provider.Registry._reset()
 
     def tearDown(self):
         provider.Registry._reset()
+        provider.Registry.configure_once(self._original_providers)
         super(TestCase, self).tearDown()

common/djangoapps/util/testing.py

@@ -19,10 +19,8 @@ class UrlResetMixin(object):
     that affect the contents of urls.py
     """
 
-    def _reset_urls(self, urlconf=None):
-        if urlconf is None:
-            urlconf = settings.ROOT_URLCONF
-
+    def _reset_urls(self, urlconf_modules):
+        for urlconf in urlconf_modules:
             if urlconf in sys.modules:
                 reload(sys.modules[urlconf])
         clear_url_caches()
@@ -30,8 +28,29 @@ class UrlResetMixin(object):
         # Resolve a URL so that the new urlconf gets loaded
         resolve('/')
 
-    def setUp(self, **kwargs):
-        """Reset django default urlconf before tests and after tests"""
+    def setUp(self, *args, **kwargs):
+        """Reset Django urls before tests and after tests
+
+        If you need to reset `urls.py` from a particular Django app (or apps),
+        specify these modules in *args.
+
+        Examples:
+
+            # Reload only the root urls.py
+            super(MyTestCase, self).setUp()
+
+            # Reload urls from my_app
+            super(MyTestCase, self).setUp("my_app.urls")
+
+            # Reload urls from my_app and another_app
+            super(MyTestCase, self).setUp("my_app.urls", "another_app.urls")
+
+        """
         super(UrlResetMixin, self).setUp(**kwargs)
-        self._reset_urls()
-        self.addCleanup(self._reset_urls)
+
+        urlconf_modules = [settings.ROOT_URLCONF]
+        if args:
+            urlconf_modules.extend(args)
+
+        self._reset_urls(urlconf_modules)
+        self.addCleanup(lambda: self._reset_urls(urlconf_modules))

lms/djangoapps/student_account/test/test_views.py

@@ -47,7 +47,7 @@ class StudentAccountViewTest(UrlResetMixin, TestCase):
 
     @patch.dict(settings.FEATURES, {'ENABLE_NEW_DASHBOARD': True})
     def setUp(self):
-        super(StudentAccountViewTest, self).setUp()
+        super(StudentAccountViewTest, self).setUp("student_account.urls")
 
         # Create/activate a new account
         activation_key = account_api.create_account(self.USERNAME, self.PASSWORD, self.OLD_EMAIL)
@@ -62,8 +62,8 @@ class StudentAccountViewTest(UrlResetMixin, TestCase):
         self.assertContains(response, "Student Account")
 
     @ddt.data(
-        ("login", "login"),
-        ("register", "register"),
+        ("account_login", "login"),
+        ("account_register", "register"),
     )
     @ddt.unpack
     def test_login_and_registration_form(self, url_name, initial_mode):
@@ -71,7 +71,7 @@ class StudentAccountViewTest(UrlResetMixin, TestCase):
         expected_data = u"data-initial-mode=\"{mode}\"".format(mode=initial_mode)
         self.assertContains(response, expected_data)
 
-    @ddt.data("login", "register")
+    @ddt.data("account_login", "account_register")
     def test_login_and_registration_third_party_auth_urls(self, url_name):
         response = self.client.get(reverse(url_name))
 

lms/djangoapps/student_account/urls.py

@@ -4,8 +4,8 @@ from django.conf import settings
 
 urlpatterns = patterns(
     'student_account.views',
-    url(r'^login/$', 'login_and_registration_form', {'initial_mode': 'login'}, name='login'),
-    url(r'^register/$', 'login_and_registration_form', {'initial_mode': 'register'}, name='register'),
+    url(r'^login/$', 'login_and_registration_form', {'initial_mode': 'login'}, name='account_login'),
+    url(r'^register/$', 'login_and_registration_form', {'initial_mode': 'register'}, name='account_register'),
 )
 
 if settings.FEATURES.get('ENABLE_NEW_DASHBOARD'):

lms/djangoapps/student_profile/test/test_views.py

@@ -35,7 +35,7 @@ class StudentProfileViewTest(UrlResetMixin, TestCase):
 
     @patch.dict(settings.FEATURES, {'ENABLE_NEW_DASHBOARD': True})
     def setUp(self):
-        super(StudentProfileViewTest, self).setUp()
+        super(StudentProfileViewTest, self).setUp("student_profile.urls")
 
         # Create/activate a new account
         activation_key = account_api.create_account(self.USERNAME, self.PASSWORD, self.EMAIL)