src/sendQuery.js

// @flow
import fetch from 'node-fetch';
import { assert } from 'chai';
import jwt from 'jwt-simple';

const ENDPOINT = 'http://localhost:3000/graphql';

// For testing different user authorizations, set users to:
export const unknownUser = ''; // not signed in
export const defaultUser = '583291a1638566b3c5a92ca2'; // role = 'user'
export const roleUser = '583291a1638566b3c5a92ca0'; // role = 'editor'
export const adminUser = '583291a1638566b3c5a92ca1'; // role = 'admin'

export function getToken(
  userId: string,
  KEY: string = 'test-key'
): string | null {
  const payload = { userId };
  const token =
    userId && userId !== '' ? `JWT ${jwt.encode(payload, KEY)}` : null;
  return token;
}

export function sendQuery({
  query,
  userId
}: {
  query: string,
  userId: string
}): any {
  const token = getToken(userId);
  return fetch(ENDPOINT, {
    method: 'POST',
    headers: {
      'content-type': 'application/json',
      authorization: token
    },
    body: JSON.stringify({ query })
  }).then(response => {
    assert.equal(response.status, 200, response.statusText);
    return response.json();
  });
}

export function sendQueryAndExpect(
  query: string,
  expectedResult: any,
  userId: string
): any {
  return sendQuery({ query, userId }).then(result => {
    assert.isDefined(result.data);
    assert.deepEqual(result.data, expectedResult);
  });
}