react-native-testing-library
jest
react-native-testing-library | jest | |
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15 | 474 | |
2,964 | 43,616 | |
0.4% | 0.3% | |
8.7 | 9.5 | |
4 days ago | 4 days ago | |
TypeScript | TypeScript | |
MIT License | MIT License |
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react-native-testing-library
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Unit Testing Expo Apps With Jest
Testing library: @testing-library/react-native
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Unit Tests using jest and react-native-testing-library.
Has anyone recently done unit tests in RN using jest and https://callstack.github.io/react-native-testing-library/. I’m struggling to mock all the libraries. The example given in testing-library seems to doesn’t need to mock all the libraries but in my case it throws error. I’ve also added ‘transformIgnorePatterns’ in package.json. Any help or repo would be helpful.
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Learn how to perform unit testing in React Native with Jest.
This article offers an overview of React Native testing, but there’s so much more to learn! I encourage you to explore other testing techniques and tools, like Snapshot Testing, Detox, and React Native Testing Library. Choose the ones that work best for your project, and keep learning!
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Performance Regression Testing for React Native
Introducing a new tool means introducing a new workflow. This can lead to lower adoption, as developers need to to get familiar with it in the first place. To prevent that from happening, we've based Reassure on https://callstack.github.io/react-native-testing-library/ API as something React Native developers should be familiar with.
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Starting React Native Project in 2023
Tests with Jest and React Native Testing Library.
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What testing library do you use for react native automated testing
The standard is React Native Testing Library for unit and integration tests, and Detox for E2E tests.
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Continuous App Performance Monitoring Made Simple with Reassure
Using our experience from developing the React Native Testing Library, we created Reassure—a performance regression testing companion for React and React Native components. We developed it in partnership with Entain – one of the world’s largest sports betting and gaming groups.
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React Native Testing Library doesn't find text even though its in debug
I'm building a React Native application with TypeScript. I'm using React Native Testing Library for my component tests.
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Does React Native production app contain devDependencies?
I faced the following issue https://github.com/callstack/react-native-testing-library/issues/955. Production build is failed and error points to the library from devDependencies.
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Testing redux in react native with testing library
In this tutorial, we'll be using react native testing library and the main philosophy of this library is focusing on testing how your application works, instead of its implementation.
jest
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How to Add Firebase Authentication To Your NodeJS App
There are several testing approaches you can take to ascertain the functionality of the auth API. One way would be to automate the testing using unit tests with tools like Jest and Supertest. Alternatively, you can make use of API clients like Postman or the Thunder Client VS Code extension to test the API.
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What is an Abstract Syntax Tree in Programming?
GitHub | Website
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Top 10 Tools Every React Developer Needs in 2024
Jest
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API Testing with Clerk and Express
you have selected a testing framework. In my case, it's Jest with Supertest
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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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Testing library for Node.js and React
Jest (https://jestjs.io/)
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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.
What are some alternatives?
react-native-geolocation-service - React native geolocation service for iOS and android
tap - Test Anything Protocol tools for node
card-validator - Validate credit cards as users type.
vitest - Next generation testing framework powered by Vite.
bdd-lazy-var - Provides UI for testing frameworks such as mocha, jasmine and jest which allows to define lazy variables and subjects.
Cucumber.js - Cucumber for JavaScript
react-native-maps - React Native Mapview component for iOS + Android
Sinon.JS - Test spies, stubs and mocks for JavaScript.
Detox - Gray box end-to-end testing and automation framework for mobile apps
nyc - the Istanbul command line interface
credit-card-form - [Moved to: https://github.com/halilb/rn-credit-card]
WebdriverIO - Next-gen browser and mobile automation test framework for Node.js