🚀 White Box vs Black Box Testing: What Every QA Should Know!

As a QA Engineer, understanding the difference between White Box and Black Box Testing is crucial for delivering high-quality software. Here’s a quick breakdown:

🔍 White Box Testing

✅ Involves analyzing the source code and internal structure of the application.

✅ Perfect for verifying the internal logic and ensuring code coverage.

✅ Examples: Unit Testing, Integration Testing, Mutation Testing.

🎭 Black Box Testing

✅ No access to the source code—focuses on input and output.

✅ Ensures the application works as expected from the user’s perspective.

✅ Examples: Functional Testing, UI Testing, Regression Testing.

💡 When to Use Them?

⚡ Use White Box Testing to validate the internal logic and code quality.

⚡ Use Black Box Testing to ensure the application meets user requirements and behaves as expected.