I have the following ES6 modules:  network.js  export function getDataFromServer() {   return ... }   widget.js  import { getDataFromServer } from 'network.js';  export class Widget() {   constructor() {     getDataFromServer("dataForWi...

I have a callback function in before() which is for cleaning database.  Is everything in before() guaranteed to finish before it() starts?   before(function(){    db.collection('user').remove({}, function(res){}); // is it guaranteed to fin...

describe('some test', function(){     // Could put here a shared variable     it('should pass a value', function(done){         done(null, 1);     });     it('and then double it', function(value, done){         console.log(val...

I've got a test suite that looks like the below:  (Notice the accountToPost variable at the top (below the first describe block)  describe('Register Account', function () {      var accountToPost;      beforeEach(function (done) {...

I am learning to test React stateless components using the ReactTestUtils library. This is my simple component:  import React from 'react';  const Greeter = ({name,place}) => (   <h1>Hello,{name}. Welcome to the {place}.</h1> )...

In Mochajs, they use done() to test for asynchronous code, like so:  describe('User', function() {   describe('#save()', function() {     it('should save without error', function(done) {       var user = new User('Luna'...

I need to test an API served via HTTPS with mocha and super test (the certificate are not expired)  This is a gist of the server :   ... var app = express(); var _options = {     key: fs.readFileSync('my-key.pem');,     cert: fs.readFileSync(...

I'm writing a test in Mocha / Node js and want to use a setTimeout to wait for a period before executing a block of code.  How can I accomplish this?  It appears that within a Mocha test case, setTimeout() does not work. (I am aware that you can...

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Mocha has several 'hooks' to run assistive functionality in a test separate from the test cases themselves (clearing databases, creating mock files, etc).  However, in the case of before() (not beforeEach(), that one I get), it seems pretty r...