Add event tests to document comments app

Switch view to return an HTTP 404 on lack of authorization
instead of an HTTP 403.

Signed-off-by: Roberto Rosario <Roberto.Rosario@mayan-edms.com>

mayan/apps/document_comments/tests/test_events.py

@@ -0,0 +1,65 @@
+from __future__ import unicode_literals
+
+from actstream.models import Action
+
+from mayan.apps.documents.tests import GenericDocumentViewTestCase
+
+from ..events import (
+    event_document_comment_created, event_document_comment_deleted
+)
+from ..permissions import permission_comment_create, permission_comment_delete
+
+from .mixins import CommentsTestMixin
+
+
+class CommentEventsTestCase(CommentsTestMixin, GenericDocumentViewTestCase):
+    def setUp(self):
+        super(CommentEventsTestCase, self).setUp()
+        self.login_user()
+
+    def test_comment_created_event_no_permissions(self):
+        Action.objects.all().delete()
+
+        response = self._request_document_comment_add_view()
+        self.assertEqual(response.status_code, 404)
+        self.assertEqual(Action.objects.count(), 0)
+
+    def test_comment_created_event_with_permissions(self):
+        Action.objects.all().delete()
+
+        self.grant_access(
+            obj=self.document, permission=permission_comment_create
+        )
+        response = self._request_document_comment_add_view()
+        self.assertEqual(response.status_code, 302)
+
+        event = Action.objects.first()
+
+        self.assertEqual(event.verb, event_document_comment_created.id)
+        self.assertEqual(event.action_object, self.document)
+        self.assertEqual(event.target, self.test_comment)
+        self.assertEqual(event.actor, self.user)
+
+    def test_comment_deleted_event_no_permissions(self):
+        self._create_comment()
+        Action.objects.all().delete()
+
+        response = self._request_document_comment_delete_view()
+        self.assertEqual(response.status_code, 404)
+        self.assertEqual(Action.objects.count(), 0)
+
+    def test_comment_deleted_event_with_access(self):
+        self._create_comment()
+        Action.objects.all().delete()
+
+        self.grant_access(
+            obj=self.document, permission=permission_comment_delete
+        )
+
+        response = self._request_document_comment_delete_view()
+        self.assertEqual(response.status_code, 302)
+        event = Action.objects.first()
+
+        self.assertEqual(event.verb, event_document_comment_deleted.id)
+        self.assertEqual(event.target, self.document)
+        self.assertEqual(event.actor, self.user)