graphene-django/graphene_django/tests/base_test.py
2019-03-29 12:53:18 +01:00

67 lines
2.2 KiB
Python

import json
from django.http import HttpResponse
from django.test import Client
from django.test import TestCase
class GraphQLTestCase(TestCase):
"""
Based on: https://www.sam.today/blog/testing-graphql-with-graphene-django/
"""
# URL to graphql endpoint
GRAPHQL_URL = '/graphql/'
# Here you need to set your graphql schema for the tests
GRAPHQL_SCHEMA = None
@classmethod
def setUpClass(cls):
super(GraphQLTestCase, cls).setUpClass()
if not cls.GRAPHQL_SCHEMA:
raise AttributeError('Variable GRAPHQL_SCHEMA not defined in GraphQLTestCase.')
cls._client = Client(cls.GRAPHQL_SCHEMA)
def query(self, query, op_name=None, input_data=None):
"""
Args:
query (string) - GraphQL query to run
op_name (string) - If the query is a mutation or named query, you must
supply the op_name. For annon queries ("{ ... }"),
should be None (default).
input_data (dict) - If provided, the $input variable in GraphQL will be set
to this value
Returns:
Response object from client
"""
body = {'query': query}
if op_name:
body['operation_name'] = op_name
if input_data:
body['variables'] = {'input': input_data}
resp = self._client.post(self.GRAPHQL_URL, json.dumps(body),
content_type='application/json')
return resp
def assertResponseNoErrors(self, resp):
"""
Assert that the call went through correctly. 200 means the syntax is ok, if there are no `errors`,
the call was fine.
:resp HttpResponse: Response
"""
content = json.loads(resp.content)
self.assertEqual(resp.status_code, 200)
self.assertNotIn('errors', list(content.keys()))
def assertResponseHasErrors(self, resp):
"""
Assert that the call was failing. Take care: Even with errors, GraphQL returns status 200!
:resp HttpResponse: Response
"""
content = json.loads(resp.content)
self.assertIn('errors', list(content.keys()))