req object is empty in ContextFunction in tests

[alexandr2110pro]

I'm submitting a...

[ ] Regression 
[x] Bug report
[ ] Feature request
[x] Documentation issue or request
[ ] Support request => Please do not submit support request here, instead post your question on Stack Overflow.

Current behavior

Hi.
I have troubles testing auth with @nestjs/graphl and apollo-server-testing.

I'm creating my apollo test client as:

  const testingModule = await Test.createTestingModule({
    imports: [
      // ... other imports
      GraphQLModule.forRoot({
        autoSchemaFile: 'src/application/schema.gql',
        installSubscriptionHandlers: true,
        debug: true,
        context: ({ req, res }) => ({ req, res }),   // <-- the ContextFunction 
      }),
    ]
  }).compile();

  const app = testingModule.createNestApplication();
  await app.init();

  const graphQLModule = app.get(GraphQLModule);
  const testClient = createTestClient(graphQLModule.apolloServer);

then I have a guard, where I'm using the req object from the context.

And in the compiled app it works, but when I'm running the test for it, both req and res are undefined

I'd really appreciate if you can point out how to make it work.

Expected behavior

req and res object should be available in the ContextFunction

Minimal reproduction of the problem with instructions

Configure the GraphQLModule and the testClient as shown in the snippet and run tests.

What is the motivation / use case for changing the behavior?

Environment

Nest version: 6.7.1


 
For Tooling issues:
- Node version:  v13.2.0  
- Platform:  Mac 

Others:
- @nestjs/graphql: 6.5.1
- apollo-server-testing: 2.9.12

[alexandr2110pro]

@kamilmysliwiec

[alexandr2110pro]

In apollo docs here

• https://www.apollographql.com/docs/apollo-server/testing/testing/#createtestclient

they say that

... createTestClient provides a single hook to run operations through the request pipeline, enabling the most thorough tests possible without starting up an HTTP server.

Does it mean that I can't test auth done with http cookies/headers this way?

Does anyone know the best way to test graphql api with auth?

[alexandr2110pro]

Just found a related discussion

apollographql/apollo-server#2277

So it is not related to nestjs. But still, how do you guys do integration tests for your graphql apis?

[kamilmysliwiec]

It's not related to NestJS specifically.

Please, use our Discord channel (support) for such questions. We are using GitHub to track bugs, feature requests, and potential improvements.

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