Writing Tests with Copilot
Learn how to write unit tests with GitHub Copilot to catch bugs early, handle edge cases, and build reliable Python and JavaScript code.
Why is testing important?
Testing is a critical part of modern software development. Well-written tests help you:
Catch bugs early before your code is shared or deployed.
Save time on team projects by ensuring changes don’t accidentally break existing features.
Two common types of tests:
Unit tests: Focus on testing one function or class in isolation.
Integration tests: Check how multiple parts of a system work together.
When writing tests, we often follow the Red → Green loop:
Write a failing test (it shows up as red).
Write or fix the code.
Run the test again until it passes (green). ...