Chai vs Ava

Developers should learn Chai when writing unit or integration tests in JavaScript projects, as it enhances test readability and maintainability with its human-readable syntax meets developers should learn and use ava when they need a lightweight and fast test runner for node. Here's our take.

Chai

Nice Pick

Developers should learn Chai when writing unit or integration tests in JavaScript projects, as it enhances test readability and maintainability with its human-readable syntax

Pros

• It is particularly useful in TDD/BDD workflows to ensure code correctness and catch bugs early, and it's essential for testing complex logic in applications built with frameworks like React, Angular, or Node
• Related to: mocha, jest

Cons

• Specific tradeoffs depend on your use case

Ava

Developers should learn and use Ava when they need a lightweight and fast test runner for Node

Pros

• js projects, especially for concurrent testing to improve speed in CI/CD pipelines
• Related to: node-js, javascript

Cons

• Specific tradeoffs depend on your use case

The Verdict

These tools serve different purposes. Chai is a library while Ava is a tool. We picked Chai based on overall popularity, but your choice depends on what you're building.

The Bottom Line

Chai wins

Based on overall popularity. Chai is more widely used, but Ava excels in its own space.