add endpoints + test for deleting workspace role

backend/tracim_backend/tests/functional/test_workspaces.py

         assert user_role['user_id'] == 1
         assert user_role['workspace_id'] == 1
 
+    def test_api__delete_workspace_member_role__ok_200__nominal_case(self):
+        """
+        Delete worskpace member role
+        """
+        dbsession = get_tm_session(self.session_factory, transaction.manager)
+        admin = dbsession.query(models.User) \
+            .filter(models.User.email == 'admin@admin.admin') \
+            .one()
+        uapi = UserApi(
+            current_user=admin,
+            session=dbsession,
+            config=self.app_config,
+        )
+        gapi = GroupApi(
+            current_user=admin,
+            session=dbsession,
+            config=self.app_config,
+        )
+        groups = [gapi.get_one_with_name('managers')]
+        user = uapi.create_user('test@test.test', password='test@test.test', do_save=True, do_notify=False, groups=groups)  # nopep8
+        workspace_api = WorkspaceApi(
+            current_user=admin,
+            session=dbsession,
+            config=self.app_config,
+            show_deleted=True,
+        )
+        workspace = workspace_api.create_workspace('test', save_now=True)  # nopep8
+        rapi = RoleApi(
+            current_user=admin,
+            session=dbsession,
+            config=self.app_config,
+        )
+        rapi.create_one(user, workspace, UserRoleInWorkspace.WORKSPACE_MANAGER, False)  # nopep8
+        transaction.commit()
+
+        self.testapp.authorization = (
+            'Basic',
+            (
+                'admin@admin.admin',
+                'admin@admin.admin'
+            )
+        )
+        res = self.testapp.delete(
+            '/api/v2/workspaces/{workspace_id}/members/{user_id}'.format(
+                workspace_id=workspace.workspace_id,
+                user_id=user.user_id,
+            ),
+            status=204,
+        )
+        # after
+        roles = self.testapp.get('/api/v2/workspaces/1/members', status=200).json_body   # nopep8
+        for role in roles:
+            assert role['user_id'] != user.user_id
+
+    def test_api__delete_workspace_member_role__err_400__simple_user(self):
+        """
+        Delete worskpace member role
+        """
+        dbsession = get_tm_session(self.session_factory, transaction.manager)
+        admin = dbsession.query(models.User) \
+            .filter(models.User.email == 'admin@admin.admin') \
+            .one()
+        uapi = UserApi(
+            current_user=admin,
+            session=dbsession,
+            config=self.app_config,
+        )
+        gapi = GroupApi(
+            current_user=admin,
+            session=dbsession,
+            config=self.app_config,
+        )
+        groups = [gapi.get_one_with_name('users')]
+        user2 = uapi.create_user('test2@test2.test2', password='test2@test2.test2', do_save=True, do_notify=False, groups=groups)  # nopep8
+        groups = [gapi.get_one_with_name('managers')]
+        user = uapi.create_user('test@test.test', password='test@test.test', do_save=True, do_notify=False, groups=groups)  # nopep8
+        workspace_api = WorkspaceApi(
+            current_user=admin,
+            session=dbsession,
+            config=self.app_config,
+            show_deleted=True,
+        )
+        workspace = workspace_api.create_workspace('test', save_now=True)  # nopep8
+        rapi = RoleApi(
+            current_user=admin,
+            session=dbsession,
+            config=self.app_config,
+        )
+        rapi.create_one(user, workspace, UserRoleInWorkspace.WORKSPACE_MANAGER, False)  # nopep8
+        rapi.create_one(user2, workspace, UserRoleInWorkspace.READER, False)  # nopep8
+        transaction.commit()
+
+        self.testapp.authorization = (
+            'Basic',
+            (
+                'test2@test2.test2',
+                'test2@test2.test2'
+            )
+        )
+        res = self.testapp.delete(
+            '/api/v2/workspaces/{workspace_id}/members/{user_id}'.format(
+                workspace_id=workspace.workspace_id,
+                user_id=user.user_id,
+            ),
+            status=403,
+        )
+        # after
+        roles = self.testapp.get(
+            '/api/v2/workspaces/{workspace_id}/members'.format(
+                workspace_id=workspace.workspace_id
+            ),
+            status=200
+        ).json_body
+        assert len([role for role in roles if role['user_id'] == user.user_id]) == 1  # nopep8
+
 
 class TestUserInvitationWithMailActivatedSync(FunctionalTest):
 

backend/tracim_backend/views/core_api/workspace_controller.py

         return rapi.get_user_role_workspace_with_context(role)
 
     @hapic.with_api_doc(tags=[SWAGGER_TAG_WORKSPACE_ENDPOINTS])
+    @require_workspace_role(UserRoleInWorkspace.WORKSPACE_MANAGER)
+    @hapic.input_path(WorkspaceAndUserIdPathSchema())
+    @hapic.output_body(NoContentSchema(), default_http_code=HTTPStatus.NO_CONTENT)  # nopep8
+    def delete_workspaces_members_role(
+            self,
+            context,
+            request: TracimRequest,
+            hapic_data=None
+    ) -> None:
+        app_config = request.registry.settings['CFG']
+        rapi = RoleApi(
+            current_user=request.current_user,
+            session=request.dbsession,
+            config=app_config,
+        )
+        rapi.delete_one(
+            user_id=hapic_data.path.user_id,
+            workspace_id=hapic_data.path.workspace_id,
+        )
+        return
+
+    @hapic.with_api_doc(tags=[SWAGGER_TAG_WORKSPACE_ENDPOINTS])
     @hapic.handle_exception(UserCreationFailed, HTTPStatus.BAD_REQUEST)
     @require_workspace_role(UserRoleInWorkspace.WORKSPACE_MANAGER)
     @hapic.input_path(WorkspaceIdPathSchema())
         # Create Workspace Members roles
         configurator.add_route('create_workspace_member', '/workspaces/{workspace_id}/members', request_method='POST')  # nopep8
         configurator.add_view(self.create_workspaces_members_role, route_name='create_workspace_member')  # nopep8
+        # Delete Workspace Members roles
+        configurator.add_route('delete_workspace_member', '/workspaces/{workspace_id}/members/{user_id}', request_method='DELETE')  # nopep8
+        configurator.add_view(self.delete_workspaces_members_role, route_name='delete_workspace_member')  # nopep8
         # Workspace Content
         configurator.add_route('workspace_content', '/workspaces/{workspace_id}/contents', request_method='GET')  # nopep8
         configurator.add_view(self.workspace_content, route_name='workspace_content')  # nopep8