AVA
UnclaimedNode.js test runner for confident development with a concise API and isolated environments.
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TL;DR - AVA
- Fast Node.js test runner with concurrent execution.
- Concise API and isolated test environments for reliability.
- Enhanced error output and automatic parallel runs in CI.
Pricing: Free forever
Best for: Individuals & startups
Pros & Cons
Pros
- Significantly faster test execution due to concurrency
- Promotes writing independent and reliable tests
- Clear and detailed error messages with syntax-highlighted diffs
- Simplified debugging with clean stack traces
- Easy integration with CI/CD pipelines for parallel testing
Cons
- Requires local installation, cannot be run globally
- Documentation assumes ES modules, which might require configuration for CommonJS users
Key Features
Minimal and fast test executionSimple test syntaxRuns tests concurrentlyEnforces writing atomic testsNo implicit globalsIncludes TypeScript definitionsMagic assert with code excerpts and diffsIsolated environment for each test file
Pricing Plans
AVA
Free
- Minimal and fast
- Simple test syntax
- Runs tests concurrently
- Enforces writing atomic tests
- No implicit globals
- Includes TypeScript definitions
- Magic assert
- Isolated environment for each test file
- Promise support
- Async function support
- Observable support
- Enhanced assertion messages
- Automatic parallel test runs in CI
- TAP reporter
About AVA
By Toolradar Team·
AVA is a powerful and minimalist test runner specifically designed for Node.js environments. It provides a concise API, detailed error output, and embraces modern JavaScript features, making it ideal for developers who want to write robust and maintainable tests. A key differentiator is its use of thread isolation, which allows tests to run concurrently, leading to faster execution times and ensuring that tests are atomic and independent.
This tool is for JavaScript and TypeScript developers working on Node.js projects who prioritize speed, reliability, and clean code in their testing workflow. By running tests concurrently and providing isolated environments, AVA helps prevent side effects between tests, leading to more trustworthy results. Its enhanced assertion messages, clean stack traces, and automatic parallel test runs in CI environments further streamline the development and debugging process, ultimately boosting developer confidence.
How we evaluate tools →Source: avajs.dev
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AVA FAQ
What is AVA?
AVA is a Node.js test runner designed for confident development. It offers a concise API, detailed error output, embraces new language features, and uses thread isolation to run tests concurrently, ensuring atomic and reliable tests.
How much does AVA cost?
AVA is an open-source project and is completely free to use under the MIT license.
Is AVA free?
Yes, AVA is free and open-source.
Who is AVA for?
AVA is for JavaScript and TypeScript developers building Node.js applications who need a fast, reliable, and easy-to-use test runner that supports modern language features and integrates well with CI environments.
Source: avajs.dev