jest.setup.js

// No console.log() / setTimeout
console.log = jest.fn(() => {
  throw new Error("Do not use console.log() in production");
});
jest.setTimeout(1000);

// jest speedup when errors are part of the game
Error.stackTraceLimit = 0;

global.Promise = require("promise");

import chai from "chai";
// Make sure chai and jasmine ".not" play nice together
// https://medium.com/@RubenOostinga/combining-chai-and-jest-matchers-d12d1ffd0303
const originalNot = Object.getOwnPropertyDescriptor(
  chai.Assertion.prototype,
  "not"
).get;
Object.defineProperty(chai.Assertion.prototype, "not", {
  get() {
    Object.assign(this, this.assignedNot);
    return originalNot.apply(this);
  },
  set(newNot) {
    this.assignedNot = newNot;
    return newNot;
  }
});

// Combine both jest and chai matchers on expect
const originalExpect = global.expect;

global.expect = actual => {
  const originalMatchers = originalExpect(actual);
  const chaiMatchers = chai.expect(actual);
  return Object.assign(chaiMatchers, originalMatchers);
};

// TODO: Support Web3
// import dotenv from "dotenv";
// dotenv.config();

// do this to make sure we don't get multiple hits from both webpacks when running SSR
setTimeout(() => {
  // do nothing
}, 1);