rework exception for create user from tracimcli + support notificatio…

…ndisabled case by test

backend/tracim_backend/command/user.py

@@ -191,12 +191,12 @@ def _proceed_user(self, parsed_args: argparse.Namespace) -> User:
                     password=parsed_args.password,
                     do_notify=parsed_args.send_email,
                 )
-            except UserAlreadyExistError:
-                raise UserAlreadyExistError("Error: User already exist (use `user update` command instead)")  # nopep8
-            except NotificationSendingFailed:
-                raise NotificationSendingFailed("Error: Cannot send email notification due to error, user not created.")  # nopep8
-            except NotificationDisabled:
-                raise NotificationSendingFailed("Error: Email notification disabled but notification required, user not created.")  # nopep8
+            except UserAlreadyExistError as exc:
+                raise UserAlreadyExistError("Error: User already exist (use `user update` command instead)") from exc # nopep8
+            except NotificationSendingFailed as exc:
+                raise NotificationSendingFailed("Error: Cannot send email notification due to error, user not created.") from exc  # nopep8
+            except NotificationDisabled as exc:
+                raise NotificationDisabled("Error: Email notification disabled but notification required, user not created.") from exc  # nopep8
         else:
             if parsed_args.password:
                 self._update_password_for_login(

backend/tracim_backend/tests/commands/test_commands.py

@@ -7,6 +7,7 @@
 import tracim_backend
 from tracim_backend.command import TracimCLI
 from tracim_backend.exceptions import BadCommandError
+from tracim_backend.exceptions import NotificationDisabled
 from tracim_backend.exceptions import DatabaseInitializationFailed
 from tracim_backend.exceptions import ForceArgumentNeeded
 from tracim_backend.exceptions import GroupDoesNotExist
@@ -121,6 +122,22 @@ def test_func__user_create_command__err_user_already_exist(self) -> None:
                 '--debug',
             ])
 
+    def test_func__user_create_command__err__with_email_notification_disabled(self) -> None:  # nopep8
+        """
+        Test User creation with email with notification disable
+        """
+        app = TracimCLI()
+        with pytest.raises(NotificationDisabled):
+            app.run([
+                '--debug',
+                'user', 'create',
+                '-c', 'tests_configs.ini#command_test',
+                '-l', 'pof@pof.pof',
+                '-p', 'new_password',
+                '--send-email',
+                '--debug',
+            ])
+
     def test_func__user_create_command__err__password_required(self) -> None:
         """
         Test User creation without filling password