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react-testing-library
🐐 Simple and complete React DOM testing utilities that encourage good testing practices.
React Testing Library tests React components by simulating how users interact with them, rather than focusing on the implementation details. This library prioritizes the principle of testing components as users interact with them, making tests more resilient to code changes. By avoiding reliance on the internals of the components, it ensures that your tests remain focused on functionality and user experience. It integrates well with Jest and provides utilities to query, simulate interactions, and validate DOM updates effectively.
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SurveyJS
JavaScript Form Builder with No-Code UI & Built-In JSON Schema Editor. Keep full control over the data you collect and tailor the form builder’s entire look and feel to your users’ needs. SurveyJS works with React, Angular, Vue 3, and is compatible with any backend or auth system. Learn more.
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Mocha is a versatile JavaScript testing framework that integrates smoothly with both Node.js and web browsers. It is highly flexible and supports asynchronous testing, making it an excellent choice for applications that require extensive control over the testing environment. Mocha doesn’t include an assertion library but integrates well with popular libraries like Chai and Sinon for assertions and mocks. Developers appreciate its clean syntax, event-driven approach, and adaptability for various project setups, including React. This flexibility makes it one of the top choices for developers looking for granular control.
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Enzyme is a widely-used testing utility that provides robust tools for interacting with and inspecting React components. Its API supports shallow, full, and static rendering, enabling developers to test components in isolation or with their child components. Enzyme also allows testing lifecycle methods, making it ideal for applications with complex state and props interactions.
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Jest is a comprehensive testing framework developed by Facebook and is the default choice for testing React applications. It includes built-in capabilities for mocking, spying, and snapshot testing, ensuring minimal setup for testing even the most complex applications. Jest’s extensive support for parallel test execution and interactive features like coverage reporting and watch mode makes it highly efficient.
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Jasmine is a standalone JavaScript testing framework that emphasizes simplicity and ease of use. It provides all necessary tools for writing tests without requiring additional libraries. Jasmine’s BDD syntax makes it easy to describe and structure tests in a way that’s easy to understand. While it doesn’t come with advanced features like mocking or spying, its lightweight nature and straightforward approach make it a good option for small to medium-sized React projects.
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Puppeteer is a headless browser automation tool built on Chromium. It allows developers to simulate user interactions, capture screenshots, and perform UI tests with a high degree of accuracy. Puppeteer is particularly useful for testing cross-browser compatibility and visual elements in React applications. Its robust API enables precise control over browser actions, making it a valuable tool for UI testing and debugging.
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Karma is a flexible test runner that allows developers to execute tests across multiple real browsers. It’s commonly paired with frameworks like Jasmine and Mocha to provide a seamless testing environment for React applications. Karma is particularly beneficial for applications where cross-browser compatibility is a priority, as it enables developers to validate functionality on various platforms simultaneously.
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Stream
Stream - Scalable APIs for Chat, Feeds, Moderation, & Video. Stream helps developers build engaging apps that scale to millions with performant and flexible Chat, Feeds, Moderation, and Video APIs and SDKs powered by a global edge network and enterprise-grade infrastructure.