react-relay-network-modern/es/middlewares/__tests__/logger-test.js

Network Layer for React Relay and Express (Batch Queries, AuthToken, Logging, Retry)

import fetchMock from 'fetch-mock';
import RelayNetworkLayer from '../../RelayNetworkLayer';
import { mockReq } from '../../__mocks__/mockReq';
import loggerMiddleware from '../logger';
describe('middlewares/logger', () => {
  beforeEach(() => {
    fetchMock.restore();
  });
  it('measure request time for request', async () => {
    fetchMock.mock({
      matcher: '/graphql',
      response: {
        status: 200,
        body: {
          data: 'PAYLOAD'
        }
      },
      method: 'POST'
    });
    const logger = jest.fn();
    const rnl = new RelayNetworkLayer([loggerMiddleware({
      logger
    })]);
    await mockReq('MyRequest').execute(rnl);
    expect(logger).toHaveBeenCalledTimes(2);
    // fix changing text `in 12ms` for snapshot
    logger.mock.calls[1][0] = logger.mock.calls[1][0].replace(/in \d+ms/, 'in XXXms');
    logger.mock.calls[1][1].req = 'RelayRequest object';
    logger.mock.calls[1][1].res = 'RelayResponse object';
    expect(logger.mock.calls).toMatchSnapshot();
  });
});