Backport test case improvements

Add random primary key mixin. Split test case code into mixins.
Make the view test case and the API test cases part of the same
class hierachy. Update tests that failed due to the new import
locations.

Signed-off-by: Roberto Rosario <roberto.rosario.gonzalez@gmail.com>

mayan/apps/rest_api/tests/base.py

@@ -1,101 +1,19 @@
 from __future__ import absolute_import, unicode_literals
 
-from django.contrib.auth import get_user_model
-from django.urls import reverse
-
 from rest_framework.test import APITestCase
 
-from common.tests.mixins import UserMixin
+from common.tests import GenericViewTestCase
 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
-)
 
 
-class BaseAPITestCase(UserMixin, APITestCase):
+class BaseAPITestCase(APITestCase, GenericViewTestCase):
     """
     API test case class that invalidates permissions and smart settings
     """
+    expected_content_type = None
+
     def setUp(self):
         super(BaseAPITestCase, self).setUp()
         Namespace.invalidate_cache_all()
         Permission.invalidate_cache()
-
-    def tearDown(self):
-        self.client.logout()
-        super(BaseAPITestCase, self).tearDown()
-
-    def delete(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.delete(
-            path=path, data=data, follow=follow
-        )
-
-    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)
-        return 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 patch(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.patch(
-            path=path, data=data, follow=follow
-        )
-
-    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
-        )
-
-    def put(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.put(
-            path=path, data=data, follow=follow
-        )