Best JavaScript code snippet using pact-foundation-pact
net.spec.ts
Source: net.spec.ts
1import chai from 'chai';2import chaiAsPromised from 'chai-as-promised';3import nodeNet from 'net';4import { isPortAvailable } from './net';5import logger from './logger';6const { expect } = chai;7chai.use(chaiAsPromised);8describe('Net', () => {9 const port = 4567;10 const defaultHost = '0.0.0.0';11 const specialPort = process.platform.match('win') ? -1 : 80;12 // Utility function to create a server on a given port and return a Promise13 const createServer = (p: number, host = defaultHost) =>14 new Promise((resolve, reject) => {15 const server = nodeNet.createServer();16 server.on('error', (err: any) => reject(err));17 server.on('listening', () => resolve(server));18 server.listen({ port: p, host, exclusive: true }, () => {19 logger.info(`test server is up on ${host}:${p}`);20 });21 });22 describe('#isPortAvailable', () => {23 context('when the port is not allowed to be bound', () => {24 it('returns a rejected promise', () =>25 expect(isPortAvailable(specialPort, defaultHost)).to.eventually.be26 .rejected);27 });28 context('when the port is available', () => {29 it('returns a fulfilled promise', () =>30 expect(isPortAvailable(port, defaultHost)).to.eventually.be.fulfilled);31 });32 context('when the port is unavailable', () => {33 let closeFn = (cb: any) => cb();34 it('returns a rejected promise', () =>35 createServer(port).then((server: { close(): any }) => {36 closeFn = server.close.bind(server);37 return expect(isPortAvailable(port, defaultHost)).to.eventually.be38 .rejected;39 }));40 // close the servers used in this test as to not conflict with other tests41 afterEach((done) => closeFn(done));42 });43 context('when a single host is unavailable', () => {44 let closeFn = (cb: any) => cb();45 it('returns a fulfilled promise', () =>46 // simulate ::1 being unavailable47 createServer(port, '::1').then((server: { close(): any }) => {48 closeFn = server.close.bind(server);49 // this should work as the `127.0.0.1` is NOT `::1`50 return expect(isPortAvailable(port, '127.0.0.1')).to.eventually.be51 .fulfilled;52 }));53 // close the servers used in this test as to not conflict with other tests54 afterEach((done) => closeFn(done));55 });56 });...
Check out the latest blogs from LambdaTest on this topic:
Hey everyone! We hope you had a great Hacktober. At LambdaTest, we thrive to bring you the best with each update. Our engineering and tech teams work at lightning speed to deliver you a seamless testing experience.
Having a good web design can empower business and make your brand stand out. According to a survey by Top Design Firms, 50% of users believe that website design is crucial to an organization’s overall brand. Therefore, businesses should prioritize website design to meet customer expectations and build their brand identity. Your website is the face of your business, so it’s important that it’s updated regularly as per the current web design trends.
In today’s world, an organization’s most valuable resource is its customers. However, acquiring new customers in an increasingly competitive marketplace can be challenging while maintaining a strong bond with existing clients. Implementing a customer relationship management (CRM) system will allow your organization to keep track of important customer information. This will enable you to market your services and products to these customers better.
When I started writing tests with Cypress, I was always going to use the user interface to interact and change the application’s state when running tests.
Sometimes, in our test code, we need to handle actions that apparently could not be done automatically. For example, some mouse actions such as context click, double click, drag and drop, mouse movements, and some special key down and key up actions. These specific actions could be crucial depending on the project context.
Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.
You could also refer to video tutorials over LambdaTest YouTube channel to get step by step demonstration from industry experts.
Get 100 minutes of automation test minutes FREE!!