adding tests for permissions

v1/list/tests/test_permission.py

@@ -0,0 +1,82 @@
+#!/usr/bin/env python
+# encoding: utf-8
+
+from django.contrib.auth.models import AnonymousUser, User
+from django.test import TestCase, RequestFactory
+from v1.list.permissions import IsListOwner, IsItemOwner
+from v1.list.models import GroceryList, GroceryItem
+
+
+class PermissionTest(TestCase):
+    def setUp(self):
+        # Every test needs access to the request factory.
+        self.factory = RequestFactory()
+        # Create a staff user.
+        self.staff = User.objects.create_user(
+            username='staff', email='staff@gmail.com', password='top_secret', is_superuser=True
+        )
+        self.user = User.objects.create_user(
+            username='jacob', email='jacob@gmail.com', password='top_secret'
+        )
+        self.list = GroceryList.objects.create(title='food', author=self.user)
+        self.item = GroceryItem.objects.create(title='bacon', list=self.list)
+
+    def test_is_list_owner_or_read_only(self):
+        # Try and access something as an admin user.
+        # Both get and post should have access.
+        request = self.factory.get('/admin')
+        request.user = self.staff
+        self.assertTrue(IsListOwner().has_object_permission(request, None, None))
+        self.assertTrue(IsListOwner().has_object_permission(request, None, self.list))
+        request = self.factory.post('/admin')
+        request.user = self.staff
+        self.assertTrue(IsListOwner().has_object_permission(request, None, None))
+        self.assertTrue(IsListOwner().has_object_permission(request, None, self.list))
+
+        # Try and access something as an user who created th lists.
+        # Both get and post should have access.
+        request = self.factory.get('/admin')
+        request.user = self.user
+        self.assertTrue(IsListOwner().has_object_permission(request, None, self.list))
+        request = self.factory.post('/admin')
+        request.user = self.user
+        self.assertTrue(IsListOwner().has_object_permission(request, None, self.list))
+
+        # Try and access something as an anonymous user.
+        # Both get and post should not have access.
+        request = self.factory.get('/admin')
+        request.user = AnonymousUser()
+        self.assertFalse(IsListOwner().has_object_permission(request, None, self.list))
+        request = self.factory.post('/admin')
+        request.user = AnonymousUser()
+        self.assertFalse(IsListOwner().has_object_permission(request, None, self.list))
+
+    def test_is_item_owner_or_read_only(self):
+        # Try and access something as an admin user.
+        # Both get and post should have access.
+        request = self.factory.get('/admin')
+        request.user = self.staff
+        self.assertTrue(IsItemOwner().has_object_permission(request, None, None))
+        self.assertTrue(IsItemOwner().has_object_permission(request, None, self.item))
+        request = self.factory.post('/admin')
+        request.user = self.staff
+        self.assertTrue(IsItemOwner().has_object_permission(request, None, None))
+        self.assertTrue(IsItemOwner().has_object_permission(request, None, self.item))
+
+        # Try and access something as an user who created th lists.
+        # Both get and post should have access.
+        request = self.factory.get('/admin')
+        request.user = self.user
+        self.assertTrue(IsItemOwner().has_object_permission(request, None, self.item))
+        request = self.factory.post('/admin')
+        request.user = self.user
+        self.assertTrue(IsItemOwner().has_object_permission(request, None, self.item))
+
+        # Try and access something as an anonymous user.
+        # Both get and post should not have access.
+        request = self.factory.get('/admin')
+        request.user = AnonymousUser()
+        self.assertFalse(IsItemOwner().has_object_permission(request, None, self.item))
+        request = self.factory.post('/admin')
+        request.user = AnonymousUser()
+        self.assertFalse(IsItemOwner().has_object_permission(request, None, self.item))