Questions tagged [mocha.js]

MochaFlow is an incredibly versatile and comprehensive testing framework for JavaScript that seamlessly operates on both Node.js and various web browsers.

Guide to verifying the property value following mocking a function: Dealing with Assertion Errors in Mocha

Based on a recommendation from a discussion on this link, I decided to mock the readFileSync function and then mocked my outer function. Now, my goal is to verify whether the variable's value has been set as expected. file.js const fs1 = require('fs' ...

Using Mocha with the --watch flag enabled causes issues with ES6 modules and results in error messages

I've been attempting to configure Mocha to automatically monitor for changes in my files using the --watch flag. I have defined two scripts in package.json as follows: "test": "mocha", "test:watch": "mocha --watch ./test ./game_logic" When I run ...

I’m having trouble incorporating an extension into Firefox using geckodriver and JavaScript

I am trying to connect my extension (.xpi file) to Firefox using Selenium. Once connected, I want to open a specific URL in the browser. However, I am facing issues attaching the extension to Firefox. In my search for a solution, I discovered potential pr ...

Steps for installing npm on Ubuntu operating system

To set up the mocha test framework, npm is required. To install it, follow these steps: 1. sudo apt-get install npm 2. npm install -g mocha After running the first command, you may encounter the following error: user@dell:~/mochatest$ sudo apt-get in ...

Updating the MongoDB database name in a testing environment using NodeJS

Currently, I am utilizing the following code snippet to establish a connection with MongoDB: MongoClient.connect( process.env.MONGO_HOST, { useUnifiedTopology: true }, function (err, client) { _db = client.db(process.env.DB_NAME); ...

Conduct comprehensive testing for secured routes within mongoDB integration

Running an integration test for one of the express routes in the application has been a challenge for me. This particular route is protected and allows users to create suppliers only when authenticated. I attempted to log in the user before making a requ ...

Combine the running of the app and the mocking of tests into a single Grunt command within the Gr

I currently have a fully functional Node.js Express REST API application. Great. In addition, I have successfully created a Mocha/Chai/Supertest mock to test the API application mentioned above. Excellent. However, the issue arises when I need to manuall ...

Sinon Stub generates varying values with each invocation

I'm pretty new to TypeScript and JavaScript, but I've managed to create a functioning VScode extension that I'm really happy with. However, I'm running into some issues with my Mocha tests. Here's a snippet of the code I'm struggling with: export async fu ...

When executing mocha tests within my project, I face difficulty terminating the process once the tests are completed

Currently, I am utilizing mocha for test automation purposes. Below is the testcase that I have created: const mysql_service = require('../../router/mysql_service') const chai = require('chai') var chaiAsPromised = require("chai-as-promised"); chai.use ...

Vue.nextTick incorrect detection

scenario: const Constructor = Vue.extend(MyComponent); function createComponent() { vm = new Constructor({ props, }).$mount(); return vm; } Query: In my testing process, I notice vm.$nextTick().then(() => { expect(result).to.eq ...

Guide on testing express rendering using supertest and mocha

I wanted to dive into testing express routes today but I've hit a roadblock when it comes to testing the rendering of jade views. Take a look at my code snippet below: Express Route: router.get('/', function(req: any, res: any) { res.render('index', ...

Using Jest or Mocha alongside Vue: Uncaught SyntaxError: Cannot use import statement outside a module

Update: This post has undergone multiple edits, please refer to this new Stackoverflow post for a clearer explanation of the issue: SyntaxError: Cannot use import statement outside a module when following vue-test-utils official tutorial I have been searc ...

What is the best way to mimic an error when using fs.readFile for testing?

As someone new to test-driven development, I am currently working on creating an automated testing suite for my application. While I have managed to write tests that confirm the data retrieved from a successful call to Node's fs.readFile method, my c ...

Initiating a pre-test request in Mocha prior to test execution

I am currently in a situation where I need to test an API with a /groups URL. My objective is to send an API request to that specific URL (using Axios) before all tests commence and ensure that the response is visible to all functions within the tests. De ...

Encountering a timeout exceeded error when running Mocha tests

My experience with Mocha testing has presented an interesting challenge when running server.test.js 1) "before each" hook for "should get all todos": Error: Timeout of 2000ms exceeded. For async tests and hooks, ensure "done()" is called; if re ...

Attempting to leverage the combination of mocha, ES6 modules, and ts-node while utilizing the --experimental-loader option

I've been attempting to make the ts-node option --experimental-loader function alongside mocha, but so far I haven't had any success. Before I started compiling ES6 modules, running mocha tests was as simple as: "test": "nyc --reporter=html mocha --require ...

Trouble with Mocha async hooks execution?

I keep encountering the issue of receiving 'undefined' for the page in this setup. It appears that none of Mocha's hooks are being executed. I've attempted adding async to the describe at the top level, used done statements, and even tr ...

Remember to always call "done()" in Typescript + Mocha/Chai when dealing with async tests and hooks. Additionally, when returning a Promise, make sure it resolves correctly

It seems like I'm facing an old issue that I just can't seem to resolve, despite trying everything in my power. The error message reads: Error: Timeout of 2000ms exceeded. For async tests and hooks, ensure "done()" is called; if returning a Promise, ensu ...

"During the testing phase, the req.body object is found

I'm currently performing unit testing on my express application using Mocha and Chai. However, when I attempt to use req.body in the test file to parse the object, I only receive undefined in the testing results. In my server (app.js), I have alread ...

Mocha: A Unique Perspective on Testing the express.Router Instance

As I was developing a JavaScript controller file, I came across the need to test if my controller instance contains an instance of the express method called Router(). import {assert} from 'chai'; import {UF_Controller} from '../../controllers/uf.controlle ...

Receive a promise from an assertion within the 'then' block

Attempting to create a sequence of selenium commands using 'then' has left me stumped on how to return a promise from asserts. The warning message I keep encountering is as follows: (node:18772) UnhandledPromiseRejectionWarning: Unhandled promise rejection ...

Identify the failing test cases externally using JavaScript

I am currently tackling an issue where I am seeking to identify the specific test cases that fail when running a test suite for any javascript/node.js application. Finding a programmatic solution is crucial for this task. Mocha testsuite output result Fo ...

The issue at hand is the lack of execution for the Mocha Chai `.end()`

I have encountered an issue while trying to write a Mocha chai test for a Nodejs API that was previously tested using Supertest. Strangely, the test always passes even when I intentionally specify wrong expected parameters. Below is the code snippet of th ...

Ensure that agent.auth is executed prior to every test within a describe block

The following code is functioning correctly: describe('My App', function() { describe('when logged in', function() { it('should allow registered user to make a thing', function(done) { agent.post('/make-a-thing') .auth('testusername', 'v ...

"Exploring Angular UI-Router by conducting tests with the help of Mocha,

Experimenting with testing the following code in AngularJS using Mocha, Chai, and Sinon. $scope.send = function() { $state.transitionTo('module.sendhome'); }; Here is a test case for validation: it('send' , function () { scope.send(); }); Upon ...

The yarn/npm package manager seems to be utilizing outdated code in an inexplicable way when paired with mocha and typescript

I recently encountered a strange issue that has left me scratching my head. When I manually run my test command, I receive two test results. However, when I execute the same command in a yarn/npm script, only one result is displayed. Has anyone else experi ...

Having trouble integrating VueX store and router into Mocha tests

Latest Update To view the issue on VueX git repository that has been created, please follow this link: https://github.com/vuejs/vuex/issues/1509 If you want to replicate the problem, here is the link to the repository: https://github.com/djam90/vuex-vue- ...

Having trouble getting a Mocha test to display two decimal places in Javascript? Both Big and Decimal libraries are causing issues

After encountering an error with the Big library, I decided to switch to Decimal. First, I ran npm install Decimal Then, I added the following code: const Decimal = require('decimal'); Even after following the examples, my comparison returned { Object (i ...

Is there a way to deactivate middleware in Node, Express, and Mocha?

My application features a hello world app structured as follows: let clientAuthMiddleware = () => (req, res, next) => { if (!req.client.authorized) { return res.status(401).send('Invalid client certificate authentication.'); } ret ...

React's connect method is causing issues with my test case

Attempting to create a test case for my jsx file... Took a sample test case from another jsx file... The other file does not have the connect method... But this new file contains the connect method... Believe this is causing issues with my test case... Any ...

Appium with Node.js (wd) becomes unresponsive when unable to locate element

Encountering an issue while using appium with nodejs (wd) and mocha, as there is a loading view in the android app (blackbox testing & I'm not the developer) that needs to be waited for its disappearance. Attempted the following solution: wd.addPromiseCha ...

Mocha maintains the integrity of files during testing

After running a unit test to update a config file, I noticed that the file was altered. My initial thought was to use "before" to cache the file and then restore it with "after". mod = require('../modtotest'); describe('Device Configuration', function(){ ...

What are the steps to creating a successful test with Browserstack, selenium, and mocha?

I'm currently working on testing my web applications with BrowserStack. I've been following their example from the website. var assert = require('assert'), fs = require('fs'); var webdriver = require('selenium-webdriv ...

Restoring a mongo database in chai mocha: step-by-step guide

Before starting the tests, I need to restore the mongo database. Here's how I do it: const app = require("../app"); const chai = require("chai"); const mongoose = require("mongoose"); const User = require('../models/users'); const Region = ...

What is the best practice for initializing stubs in Mocha - should they be directly initialized in the describe() block or inside

When it comes to utilizing stub variables for resetting and restoring during afterEach() and after() callbacks, my strategy involves defining the stubs within the describe() block for easy access: describe('my SUT', () => { const myStub = s ...

Refreshing the Mocha Server

Recently, I encountered a situation where I needed to automate some cleanup tasks in my Express server using Mocha tests. In my server.js file, I included the following code snippet to manage the cleanup operations when the server shuts down gracefully (s ...

Is it possible to log the response body when encountering errors in a Mocha test

Is it plausible to print out the contents of the response body whenever a test fails with an error while running mocha tests using npm run test? chai.request(server) .post('/') .set('X-Access-Token', testUser.accessToken) .send(fields) .end((erro ...

Error Encountered When Trying to Import Mocha for Typescript Unit Testing

Here's a snippet of code for testing a Typescript project using mocha chai. The test case is currently empty. import {KafkaConsumer} from '../infrastructure/delivery/kafka/kafka-consumer'; import {expect} from 'chai'; import {describe, it} from 'mocha'; d ...

Encountered a timeout error of 2000ms while running tests on an asynchronous function within a service

Here is the service I am working with: class MyService { myFunction(param){ return Observable.create(obs => { callsDBfunc(param, (err, res) => { if(err) obs.error(err); ...

When executing tests in a docker environment with Selenium_Hub, Selenium-Node-Chrome-Debug, and a Mocha + Selenium-Webdriver (JS) container, the ability to upload files becomes restricted

I have spent a significant amount of time conducting experiments and utilizing various search engines in an effort to find a resolution to this problem, but unfortunately, I haven't had any luck thus far. Consequently, I'm hoping that someone with expertis ...

When using `shallowMount` in @Vue/test-utils, it displays the message "[Vue warn]: Unknown custom element" when working with Vuetify

When running my unit test in Vue, I encounter a warning message that appears not only for <v-col>, but for every Vuetify component: [Vue warn]: Unknown custom element: < v-col> - did you register the component correctly? For recursive compone ...

Exploring the capabilities of a Vue.js component

I am currently facing some challenges while trying to test a Vue.js component. My main issue lies in setting a property for the component and verifying that it has been set correctly. For context, the module has been loaded with exports and the JavaScrip ...

Testing events using mocha for unit testing

Are you uncertain about the best way to test this code using mocha and chai? module.exports = function trackCustomDyEvents(events){ let $; trackEvents(); function trackEvents() { events.forEach((event) => { $(document).on(event.type, even ...

Exploring NodeJS functionality through Mocha testing

Currently in the process of testing an application using Mocha and Chai, I've come across difficulties connecting one of the modules to the test. Here's the test case: "use strict"; var chai = require('chai'); var expect = require("c ...

What are the steps to set up Mocha JS in a Node.js environment?

When attempting to install mochajs for testing on my Ubuntu system, I encountered an error due to the nodejs version being v0.10.25 and npm version being 1.3.10. The specific error message I received is as follows: user@ubuntu:~/mochatest$ sudo npm inst ...

Testing a Mocha import for a class from an unexported namespace

I'm in the process of creating unit tests for my Typescript application using the Mocha test framework. Within my web app, I have an internal module (A) that contains a class B. namespace A { export class B { constructor() { } ...

Despite the status being 500, Chai is successfully navigating the test cases

I'm currently conducting test cases for my API using Chai, Mocha, and Chai HTTP. Even when I return a response of 500, my test case is still passing. Below is my test case: describe('/POST saveBatch', () => { it('it should save the Batch', (done) ...

'Angular package is not found' error appears when executing 'meteor test' command

As I attempt to develop tests for my Meteor application using practicalmeteor:mocha, I encounter an issue with the message angular package is missing displaying when the page loads. The command I utilize to initiate the process is: meteor test --driver-p ...

Can you explain the slow parameter feature in Mocha?

While configuring mochaOpts in Protractor, one of the parameters we define is 'slow'. I'm unsure of the purpose of this parameter. I attempted adjusting its value but did not observe any impact on the test execution time. mochaOpts: { re ...

Leverage Sinon's fakeServer in combination with promises and mocha for efficient

Having an issue here: I need to test a method that involves uploading data to an AWS S3 bucket. However, I don't want the hassle of actually uploading data each time I run my tests or dealing with credentials in the environment settings. That's why I'm loo ...

Troubleshooting npm test failure on CircleCI due to inability to locate installed package

It's puzzling that Circle is encountering issues with utilizing ts-mocha after it was successfully installed with npm install in a previous step of the build process. The functionality used to function properly, but now it suddenly stopped working. Here ...