reenable email notification for user creation

backend/tests_configs.ini

 email.notification.smtp.port = 1025
 email.notification.smtp.user = test_user
 email.notification.smtp.password = just_a_password
+
+[functional_test]
+sqlalchemy.url = sqlite:///tracim_test.sqlite
+depot_storage_name = test
+depot_storage_dir = /tmp/test/depot
+user.auth_token.validity = 604800
+preview_cache_dir = /tmp/test/preview_cache
+email.notification.activated = false
+preview.jpg.restricted_dims = True
+
+[functional_test_no_db]
+sqlalchemy.url = sqlite://
+depot_storage_name = test
+depot_storage_dir = /tmp/test/depot
+user.auth_token.validity = 604800
+preview_cache_dir = /tmp/test/preview_cache
+email.notification.activated = false
+preview.jpg.restricted_dims = True

backend/tracim_backend/config.py

 
         self.EMAIL_NOTIFICATION_FROM_EMAIL = settings.get(
             'email.notification.from.email',
+            'noreply+{user_id}@trac.im'
         )
         self.EMAIL_NOTIFICATION_FROM_DEFAULT_LABEL = settings.get(
-            'email.notification.from.default_label'
+            'email.notification.from.default_label',
+            'Tracim Notifications'
         )
         self.EMAIL_NOTIFICATION_REPLY_TO_EMAIL = settings.get(
             'email.notification.reply_to.email',

backend/tracim_backend/tests/__init__.py

 class FunctionalTest(unittest.TestCase):
 
     fixtures = [BaseFixture]
-    sqlalchemy_url = 'sqlite:///tracim_test.sqlite'
+    config_uri = 'tests_configs.ini'
+    config_section = 'functional_test'
 
     def setUp(self):
         logger._logger.setLevel('WARNING')
+
         DepotManager._clear()
-        self.settings = {
-            'sqlalchemy.url': self.sqlalchemy_url,
-            'user.auth_token.validity': '604800',
-            'depot_storage_dir': '/tmp/test/depot',
-            'depot_storage_name': 'test',
-            'preview_cache_dir': '/tmp/test/preview_cache',
-            'preview.jpg.restricted_dims': True,
-            'email.notification.activated': 'false',
-        }
+        self.settings = plaster.get_settings(
+            self.config_uri,
+            self.config_section
+        )
         hapic.reset_context()
         self.engine = get_engine(self.settings)
         DeclarativeBase.metadata.create_all(self.engine)
 
 
 class FunctionalTestNoDB(FunctionalTest):
-    sqlalchemy_url = 'sqlite://'
+    config_section = 'functional_test_no_db'
 
     def init_database(self, settings):
         self.engine = get_engine(settings)

backend/tracim_backend/views/core_api/workspace_controller.py

                 # notification for creation
                 user = uapi.create_user(
                     hapic_data.body.user_email_or_public_name,
-                    do_notify=False
+                    do_notify=True
                 )  # nopep8
                 newly_created = True
+                if app_config.EMAIL_NOTIFICATION_ACTIVATED and \
+                        app_config.EMAIL_PROCESSING_MODE == 'SYNC':
+                    email_sent = True
+
             except EmailValidationFailed:
                 raise UserCreationFailed('no valid mail given')
+
         role = rapi.create_one(
             user=user,
             workspace=request.current_workspace,