Social Media Ideas for Mutation Testing

Mutation Testing With PIT in Java: The Coverage Metric You’re Ignoring That Actually Measures Test Quality

Line coverage tells you which code ran. Mutation testing tells you whether your tests would actually catch a bug. Here is how to close that gap with PITest — the fastest mutation t...

The test suite as a regression sensor

Birgitta Böckeler finishes her post on sensors for coding agents by examining the role of a test suite as a regression sensor, focusing on the role mutation testing can...

The test continuity test is for your tool stack too

Episode 541: Markus Schirp and Mutation Testing

Originally appeared on The Ruby on Rails Podcast. With AI seeming to generate more code every day, we need better tools to verify that it hasn't broken something. Maybe mut...

TWIQ 139 - Models and Negative Testing

Negative Testing

Tests That Survive Change

How to write Ruby tests that survive refactoring: what to test, what to ignore, and how to keep doubles from going stale.

My MCP server had 32 green tests. Not one of them had ever called a tool.

For weeks my CI badge was green and I believed it. Safari MCP is an open-source tool that lets an AI coding agent drive a real, logged-in Safari — click, type, read the page, swit...

AI Test Strategy

The continuity test is for your tool stack too

Equivalence partitioning

TypeMock Launches Test Review to Identify Duplicate, Fragile and Ineffective unit Tests

Unit testing solutions provider TypeMock today launched Test Review, a new offering designed to help development teams evaluate whether AI-generated unit tests are delivering value...

Boundary testing

The Ahh Test Summary

UAT - User Acceptance Testing

Interruption testing

Test Oracle

Cursor пишет вам unit‑тесты за минуту. 5 паттернов, на которых эти тесты пропустят любой баг

Cursor, Copilot и другие AI‑инструменты обещают быстро закрыть рутину с unit‑тестами: сгенерировать кейсы, расставить моки, добавить ассерты и поднять покрытие. Но зелёные тесты ещ...

A practical introduction to testing LLMs

A practical introduction to testing LLMs

ИИ и автотесты: как поймать ложную зелёную галочку?

ИИ уже умеет генерировать тесты пачками, но зелёный пайплайн по‑прежнему может врать. В статье разбираем на примере Java и JUnit, как отличить тест, который действительно ловит баг...

The Uggh Test

Advanced Mocking Strategies: Mastering Test Doubles & Behavior Verification

Every experienced developer has been there: a test suite that passes on your machine but fails in CI, a green build that hides a broken integration, or a test that's so tightly cou...

Zombie Testing