test: improve coverage

Author: rpenido

lti_consumer/tests/unit/test_lti_xblock.py

@@ -2002,6 +2002,29 @@ def runtime_service_side_effect(_block, service_name):
         response = self.xblock.studio_view({})
         self.assertEqual(response.js_init_fn, 'LtiConsumerXBlockInitStudio')
 
+    def test_studio_view_without_course(self):
+        """
+        Test that the studio view is reder correctly when there is no course (e.g. in a library).
+        """
+        # Mock runtime services used by studio view
+        mock_i18n_service = gettext.NullTranslations()
+        mock_i18n_service.ugettext = mock_i18n_service.gettext
+
+        mock_config_service = Mock()
+        mock_config_service.configuration.lti_access_to_learners_editable.return_value = False
+
+        def runtime_service_side_effect(_block, service_name):
+            if service_name == 'i18n':
+                return mock_i18n_service
+            if service_name == 'configuration':
+                return mock_config_service
+            return None  # pragma: no cover
+
+        self.xblock.runtime.service.side_effect = runtime_service_side_effect
+
+        response = self.xblock.studio_view({})
+        self.assertEqual(response.status_code, 200)
+
     @patch('lti_consumer.lti_xblock.LtiConsumerXBlock.get_lti_1p3_launch_data')
     @patch('lti_consumer.api.get_lti_1p3_launch_info')
     def test_author_view(self, mock_get_launch_info, mock_lti_get_1p3_launch_data):