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Cucumber.js
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jest | Cucumber.js | |
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471 | 34 | |
43,425 | 4,952 | |
0.4% | 0.6% | |
9.6 | 8.1 | |
7 days ago | 7 days ago | |
TypeScript | TypeScript | |
MIT License | MIT License |
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jest
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JS Toolbox 2024: Bundlers and Test Frameworks
Jest, created and maintained by Facebook, is a JavaScript testing framework with a focus on simplicity. It is often recognized for its zero-configuration setup and seamless integration, especially with React applications, making it a favored choice for developers in both small-scale projects and large enterprise applications.
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Unit Testing Expo Apps With Jest
console.error Jest encountered an unexpected token Jest failed to parse a file. This happens e.g. when your code or its dependencies use non-standard JavaScript syntax, or when Jest is not configured to support such syntax. Out of the box Jest supports Babel, which will be used to transform your files into valid JS based on your Babel configuration. By default "node\_modules" folder is ignored by transformers. Here's what you can do: • If you are trying to use ECMAScript Modules, see https://jestjs.io/docs/ecmascript-modules for how to enable it. • If you are trying to use TypeScript, see https://jestjs.io/docs/getting-started#using-typescript • To have some of your "node\_modules" files transformed, you can specify a custom "transformIgnorePatterns" in your config. • If you need a custom transformation specify a "transform" option in your config. • If you simply want to mock your non-JS modules (e.g. binary assets) you can stub them out with the "moduleNameMapper" config option. You'll find more details and examples of these config options in the docs: https://jestjs.io/docs/configuration For information about custom transformations, see: https://jestjs.io/docs/code-transformation
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Easily create mock data for unit tests 🧪
Note: I will be using Jest as testing framework throughout the examples.
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Painless CLI integration testing
We use Jest Framework for testing. Jest is not a dogma, and, of course, in its place can be any other test runner, such as Mocha or Ava. Let's focus on tests. I'll provide a short example because I don’t want to waste your time. You can find the full version here. It's crucial to read the comments in the code below. Let's go!
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What is integration testing in UI/Front End?
Jest has long been my favorite got to test runner when it comes to UI unit and integration testing. With tools like React Testing Library (Testing Library framework for React) you get the benefit of very easy to write and maintain tests, as well as a quick and efficient way to run our tests.
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13 best React debugging tools
Jest is a well-regarded JavaScript testing framework primarily designed for React applications, although its utility extends to projects using Babel, JavaScript, Node, Angular, and Vue. Created by Facebook, Jest emphasizes ensuring the correctness of JavaScript codebases. It allows developers to write tests with a familiar, feature-rich API, making the testing process swift and enjoyable.
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Dissecting the hell that is Jest setup with ESM and Typescript
SimenB. "Support ESM versions of all pluggable modules" Mar 7, 2021
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Migrating from Jest to Vitest for your React Application
Are you looking to migrate from Jest to Vitest for your React application? Look no further.
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DweebUI v0.07 - A simple Docker web interface.
I am referring to code tests--for javascript I use https://jestjs.io/
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💻 7 Open-Source DevTools That Save Time You Didn't Know to Exist ⌛🚀
🌟 Support on GitHub Website: https://jestjs.io/
Cucumber.js
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Framework for Automating of a Flow for testing in a Rails app
What you're describing is most commonly known as acceptance testing, or behavior-driven tests. There's an excellent framework for this called Cucumber. They have gems for both plain Ruby and Rails.
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Skyrocket Your Cross Browser Testing with Minimal Effort
It is a known fact that before any developer pushes the code (either to the development environment or Staging environment before migrating to the Production environment), he would be performing unit testing on the code changes that he has made. For unit testing, developers have a variety of unit-testing frameworks to choose from. JUnit and Jasmine are the most popular unit-testing frameworks. Other types of tests performed at a module/package level are functional tests and visual regression tests. Cucumber is a popular choice for Behavior-Driven Development (BDD) or functional testing, and a visual screenshot comparison tool named Wraith is preferred for performing visual regression testing.
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Week of Java: Part 5: Testing Your Code
Some BDD frameworks such as JBehave, RSpec, Mocha, Jasmine, Cucumber, among others, embrace the use of this template. Spek is not an exception to this rule. The main difference is that it doesn’t force you to use a concrete assertion framework or additional behavioral files (e.g Cucumber or JBehave).
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What does a programmer actually do?
Just to add, anyone who is curious to learn more about BDD I would recommend checking out the Javascript flavor of Cucumber. It's cool stuff and immensely useful! https://github.com/cucumber/cucumber-js
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Programmers who will code themselves out of a job sounds soo juvenile.
And pretty deep into that rabbit hole you get Cucumber and the Gherkin language (https://cucumber.io/); project managers write "natural English" unit tests, but to get them to work, the developers write essentially a chatbot interpreter to process the files and run them.
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How To Perform Automation Testing With Cucumber And Nightwatch JS?
Cucumber is an automation tool based on the BDD framework, using which you can write automated acceptance tests for web applications in the Gherkin language.
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Is there any tool or technique to automate writing Test Cases
With cucumber you can easily create reusable and extensible test steps. you can also use "Example:" to run the same tests with different data. https://cucumber.io/
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Behavior Driven Development (BDD) using Playwright
Playwright doesn't come with the built-in support for BDD so we are going to use the help of another tool Cucumber
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Intro to Playwright Web Automation Framework in Java
A dev oriented framework: so no Cucumber, FitNess or other BDD Frameworks1
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Gherkin style E2E Tests for a Web Application using Cucumber.js
But Cucumber is well-known for its native support for Behavior Driven Development (BDD).
What are some alternatives?
tap - Test Anything Protocol tools for node
vitest - Next generation testing framework powered by Vite.
Playwright - Playwright is a framework for Web Testing and Automation. It allows testing Chromium, Firefox and WebKit with a single API.
Sinon.JS - Test spies, stubs and mocks for JavaScript.
nyc - the Istanbul command line interface
WebdriverIO - Next-gen browser and mobile automation test framework for Node.js
ava - Node.js test runner that lets you develop with confidence 🚀
nightwatch - Integrated end-to-end testing framework written in Node.js and using W3C Webdriver API. Developed at @browserstack
mocha - ☕️ simple, flexible, fun javascript test framework for node.js & the browser
istanbul - Yet another JS code coverage tool that computes statement, line, function and branch coverage with module loader hooks to transparently add coverage when running tests. Supports all JS coverage use cases including unit tests, server side functional tests and browser tests. Built for scale.
Cypress - Fast, easy and reliable testing for anything that runs in a browser.