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https://github.com/graphql-python/graphene-django.git
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dc5c971498
* Add op_name test * Replace "operation_name" with "operationName" * Improve test comments * Add method for Python 2.7
86 lines
3.1 KiB
Python
86 lines
3.1 KiB
Python
import json
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from django.test import TestCase, Client
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class GraphQLTestCase(TestCase):
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"""
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Based on: https://www.sam.today/blog/testing-graphql-with-graphene-django/
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"""
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# URL to graphql endpoint
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GRAPHQL_URL = "/graphql/"
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# Here you need to set your graphql schema for the tests
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GRAPHQL_SCHEMA = None
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@classmethod
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def setUpClass(cls):
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super(GraphQLTestCase, cls).setUpClass()
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if not cls.GRAPHQL_SCHEMA:
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raise AttributeError(
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"Variable GRAPHQL_SCHEMA not defined in GraphQLTestCase."
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)
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cls._client = Client()
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def query(self, query, op_name=None, input_data=None, variables=None, headers=None):
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"""
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Args:
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query (string) - GraphQL query to run
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op_name (string) - If the query is a mutation or named query, you must
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supply the op_name. For annon queries ("{ ... }"),
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should be None (default).
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input_data (dict) - If provided, the $input variable in GraphQL will be set
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to this value. If both ``input_data`` and ``variables``,
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are provided, the ``input`` field in the ``variables``
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dict will be overwritten with this value.
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variables (dict) - If provided, the "variables" field in GraphQL will be
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set to this value.
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headers (dict) - If provided, the headers in POST request to GRAPHQL_URL
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will be set to this value.
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Returns:
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Response object from client
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"""
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body = {"query": query}
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if op_name:
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body["operationName"] = op_name
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if variables:
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body["variables"] = variables
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if input_data:
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if variables in body:
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body["variables"]["input"] = input_data
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else:
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body["variables"] = {"input": input_data}
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if headers:
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resp = self._client.post(
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self.GRAPHQL_URL,
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json.dumps(body),
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content_type="application/json",
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**headers
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)
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else:
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resp = self._client.post(
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self.GRAPHQL_URL, json.dumps(body), content_type="application/json"
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)
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return resp
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def assertResponseNoErrors(self, resp):
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"""
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Assert that the call went through correctly. 200 means the syntax is ok, if there are no `errors`,
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the call was fine.
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:resp HttpResponse: Response
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"""
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self.assertEqual(resp.status_code, 200)
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content = json.loads(resp.content)
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self.assertNotIn("errors", list(content.keys()))
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def assertResponseHasErrors(self, resp):
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"""
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Assert that the call was failing. Take care: Even with errors, GraphQL returns status 200!
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:resp HttpResponse: Response
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"""
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content = json.loads(resp.content)
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self.assertIn("errors", list(content.keys()))
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