Reorganize common's base test class.

Signed-off-by: Michael Price <loneviking72@gmail.com>

mayan/apps/common/tests/base.py

@@ -1,12 +1,23 @@
 from __future__ import absolute_import, unicode_literals
 
+from django.conf.urls import url
+from django.contrib.auth import get_user_model
+from django.http import HttpResponse
+from django.template import Context, Template
 from django.test import TestCase
+from django.test.utils import ContextList
+from django.urls import clear_url_caches, reverse
 
 from django_downloadview import assert_download_response
 
 from permissions.classes import Permission
 from smart_settings.classes import Namespace
+from user_management.tests import (
+    TEST_ADMIN_PASSWORD, TEST_ADMIN_USERNAME, TEST_USER_USERNAME,
+    TEST_USER_PASSWORD
+)
 
+from .literals import TEST_VIEW_NAME, TEST_VIEW_URL
 from .mixins import (
     ContentTypeCheckMixin, OpenFileCheckMixin, TempfileCheckMixin, UserMixin
 )
@@ -22,3 +33,83 @@ class BaseTestCase(UserMixin, ContentTypeCheckMixin, OpenFileCheckMixin, Tempfil
         super(BaseTestCase, self).setUp()
         Namespace.invalidate_cache_all()
         Permission.invalidate_cache()
+
+
+class GenericViewTestCase(BaseTestCase):
+    def setUp(self):
+        super(GenericViewTestCase, self).setUp()
+        self.has_test_view = False
+
+    def tearDown(self):
+        from mayan.urls import urlpatterns
+
+        self.client.logout()
+        if self.has_test_view:
+            urlpatterns.pop(0)
+        super(GenericViewTestCase, self).tearDown()
+
+    def add_test_view(self, test_object):
+        from mayan.urls import urlpatterns
+
+        def test_view(request):
+            template = Template('{{ object }}')
+            context = Context(
+                {'object': test_object, 'resolved_object': test_object}
+            )
+            return HttpResponse(template.render(context=context))
+
+        urlpatterns.insert(0, url(TEST_VIEW_URL, test_view, name=TEST_VIEW_NAME))
+        clear_url_caches()
+        self.has_test_view = True
+
+    def get_test_view(self):
+        response = self.get(TEST_VIEW_NAME)
+        if isinstance(response.context, ContextList):
+            # template widget rendering causes test client response to be
+            # ContextList rather than RequestContext. Typecast to dictionary
+            # before updating.
+            result = dict(response.context).copy()
+            result.update({'request': response.wsgi_request})
+            return Context(result)
+        else:
+            response.context.update({'request': response.wsgi_request})
+            return Context(response.context)
+
+    def get(self, viewname=None, path=None, *args, **kwargs):
+        data = kwargs.pop('data', {})
+        follow = kwargs.pop('follow', False)
+
+        if viewname:
+            path = reverse(viewname=viewname, *args, **kwargs)
+
+        return self.client.get(
+            path=path, data=data, follow=follow
+        )
+
+    def login(self, username, password):
+        logged_in = self.client.login(username=username, password=password)
+
+        user = get_user_model().objects.get(username=username)
+
+        self.assertTrue(logged_in)
+        self.assertTrue(user.is_authenticated)
+
+    def login_user(self):
+        self.login(username=TEST_USER_USERNAME, password=TEST_USER_PASSWORD)
+
+    def login_admin_user(self):
+        self.login(username=TEST_ADMIN_USERNAME, password=TEST_ADMIN_PASSWORD)
+
+    def logout(self):
+        self.client.logout()
+
+    def post(self, viewname=None, path=None, *args, **kwargs):
+        data = kwargs.pop('data', {})
+        follow = kwargs.pop('follow', False)
+
+        if viewname:
+            path = reverse(viewname=viewname, *args, **kwargs)
+
+        return self.client.post(
+            path=path, data=data, follow=follow
+        )