[1.8.x] Moved contrib.messages tests out of contrib.

Backport of b3cd9e0d07 from master

tests/messages_tests/base.py

@@ -1,7 +1,4 @@
-from unittest import skipUnless
-
 from django import http
-from django.apps import apps
 from django.contrib.messages import constants, get_level, set_level, utils
 from django.contrib.messages.api import MessageFailure
 from django.contrib.messages.constants import DEFAULT_LEVELS
@@ -12,12 +9,6 @@ from django.test import modify_settings, override_settings
 from django.utils.translation import ugettext_lazy
 
 
-def skipUnlessAuthIsInstalled(func):
-    return skipUnless(
-        apps.is_installed('django.contrib.auth'),
-        "django.contrib.auth isn't installed")(func)
-
-
 def add_level_messages(storage):
     """
     Adds 6 messages from different levels (including a custom one) to a storage
@@ -68,7 +59,7 @@ class BaseTests(object):
                     ),
                 },
             }],
-            ROOT_URLCONF='django.contrib.messages.tests.urls',
+            ROOT_URLCONF='messages_tests.urls',
             MESSAGE_TAGS='',
             MESSAGE_STORAGE='%s.%s' % (self.storage_class.__module__,
                                        self.storage_class.__name__),

tests/messages_tests/test_cookie.py

@@ -5,10 +5,11 @@ from django.contrib.messages.storage.base import Message
 from django.contrib.messages.storage.cookie import (
     CookieStorage, MessageDecoder, MessageEncoder,
 )
-from django.contrib.messages.tests.base import BaseTests
 from django.test import TestCase, override_settings
 from django.utils.safestring import SafeData, mark_safe
 
+from .base import BaseTests
+
 
 def set_cookie_data(storage, messages, invalid=False, encode_empty=False):
     """

tests/messages_tests/test_fallback.py

@@ -2,15 +2,12 @@ from django.contrib.messages import constants
 from django.contrib.messages.storage.fallback import (
     CookieStorage, FallbackStorage,
 )
-from django.contrib.messages.tests.base import BaseTests
-from django.contrib.messages.tests.test_cookie import (
-    set_cookie_data, stored_cookie_messages_count,
-)
-from django.contrib.messages.tests.test_session import (
-    set_session_data, stored_session_messages_count,
-)
 from django.test import TestCase
 
+from .base import BaseTests
+from .test_cookie import set_cookie_data, stored_cookie_messages_count
+from .test_session import set_session_data, stored_session_messages_count
+
 
 class FallbackTest(BaseTests, TestCase):
     storage_class = FallbackStorage

tests/messages_tests/test_mixins.py

@@ -1,9 +1,10 @@
-from django.contrib.messages.tests.urls import ContactFormViewWithMsg
 from django.core.urlresolvers import reverse
 from django.test import TestCase, override_settings
 
+from .urls import ContactFormViewWithMsg
 
-@override_settings(ROOT_URLCONF='django.contrib.messages.tests.urls')
+
+@override_settings(ROOT_URLCONF='messages_tests.urls')
 class SuccessMessageMixinTests(TestCase):
 
     def test_set_messages_success(self):

tests/messages_tests/test_session.py

@@ -1,10 +1,11 @@
 from django.contrib.messages import constants
 from django.contrib.messages.storage.base import Message
 from django.contrib.messages.storage.session import SessionStorage
-from django.contrib.messages.tests.base import BaseTests
 from django.test import TestCase
 from django.utils.safestring import SafeData, mark_safe
 
+from .base import BaseTests
+
 
 def set_session_data(storage, messages):
     """