Dependencies

Installation

pip install django-graphql-extensions

Authentication

fromdjango.contrib.authimportget_user_modelimportgraphenefromgraphql_extensions.decoratorsimport (login_required,staff_member_required,)classQuery(graphene.ObjectType):viewer=graphene.Field(UserType)users=graphene.List(UserType)@login_requireddefresolve_viewer(self,info,**kwargs):returninfo.context.user@staff_member_requireddefresolve_users(self,info,**kwargs):returnget_user_model().objects.all()

Errors

fromdjango.urlsimportinclude,pathfromgraphql_extensions.viewsimportGraphQLViewurlpatterns= [path('',GraphQLView.as_view(),name='index'),]

fromgraphql_extensionsimportexceptions

{"errors":[{"message":"You do not have permission to perform this action","locations":[{"line":3,"column":13}],"path":["viewer"],"extensions":{"type":"PermissionDenied","code":"permissionDenied","timestamp":1622783872,"data":{},"operation":"QUERY","trace":["  File \"site-packages/graphql/execution/execute.py\", line 617, in resolve_field\n    result = resolve_fn(source, info, **args)\n","  File \"graphql_extensions/decorators.py\", line 23, in wrapper\n    return func(info.context, *args, **kwargs)\n","  File \"graphql_extensions/decorators.py\", line 35, in wrapper\n    raise exc\n"]}}],"data":{"viewer":null}}

Writing tests

fromdjango.contrib.authimportget_user_modelfromgraphql_extensions.testimportSchemaTestCaseclassUsersTests(SchemaTestCase):deftest_create_user(self):query='''        mutation CreateUser($username: String!, $password: String!) {          createUser(username: $username, password: $password) {            user {              id            }          }        }'''response=self.client.execute(query, {'username':'test','password':'dolphins',        })self.assertFalse(response.errors)self.assertTrue(response.data['user'])deftest_viewer(self):user=get_user_model().objects.create_user(username='test',password='dolphins',        )self.client.authenticate(self.user)query='''        {          viewer {            username          }        }'''response=self.client.execute(query)data=response.data['viewer']self.assertEqual(data['username'],user.username)

Types