Quality

3 articles

Terminal showing a green test suite passing with fast feedback

Testing Strategies for Modern Web Apps: What Actually Works

A practical guide to a testing strategy that catches real bugs: unit, integration and end-to-end with Vitest, Testing Library and Playwright.

Mar 27, 2026·6 min read

Comparison between example-based testing with a few fixed inputs and property-based testing generating hundreds of random inputs to discover edge cases

Engineering

Property-Based Testing: Finding Bugs Your Unit Tests Miss

How property-based testing generates hundreds of random inputs to verify invariants and catch edge cases example tests miss, using fast-check in TypeScript.

Nov 8, 2023·5 min read

Test pyramid highlighting the integration test layer between unit and end-to-end tests

Engineering

Writing Resilient Integration Tests That Actually Catch Bugs

Patterns for integration tests that are reliable, fast, and catch real bugs — covering database setup, API testing, and avoiding flaky test syndrome.

Mar 15, 2021·5 min read

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