const chai = require('chai') const sinon = require('sinon') // Load sinon-chai assertions so expect(stubFn).to.have.been.calledWith('abc') // has a nicer failure messages chai.use(require('sinon-chai')) // Load promise support for chai chai.use(require('chai-as-promised')) // Do not truncate assertion errors chai.config.truncateThreshold = 0 // add support for mongoose in sinon require('sinon-mongoose') // Crash the process on an unhandled promise rejection process.on('unhandledRejection', err => { console.error('Unhandled promise rejection:', err) process.exit(1) }) afterEach(function() { sinon.restore() })