Search results 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...

muttest 0.2.0: More Mutators, Better Reporting, and Parallel Execution

Expanded mutator library, improved reporting, and parallel execution for mutation testing in R. Continue reading: muttest 0.2.0: More Mutators, Better Reporting, and Parallel Execu...

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 LLM Selection War Story: Part 4 - Your Production Failure Testing Suite

In Parts 1-3, we talked about why LLMs fail and how to categorize those failures. Now comes the hard part: actually testing for them. Not with theoretical benchmarks, but with the...

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...

Spring AI: Testing MCP Tools

Testing Model Context Protocol (MCP) tools in Spring AI is essential to ensure that tools are correctly registered, discoverable, and invocable by MCP clients. Unlike LLM-generated...

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...

GenAI Testing Tools Shaping Modern Software QA

Stuart Gentle Publisher at Onrec 08 May 2026|News archiveGenAI Testing Tools Shaping Modern Software QAGenerative AI is beginning to transform how software testing is done. Tradit...

Quality Assurance in AI-Driven Business Evolution

Why do most intelligent systems fail when they hit production? It's rarely because of a weak algorithm. Instead, it's usually a testing framework stuck in a bygone era. If you're s...

Unit Tests: Keep Your CRAP Score from Wrecking the Show

Testing Spinel (from RubyKaigi 2026) in real conditions 👇

https://rubystacknews.com/2026/04/27/spinel-in-practice-what-works-and-what-breaks/

Why AI-Generated Code Breaks Your Testing Assumptions

You have an AI coding assistant open. You describe a function, it produces 40 lines of clean, well-structured code in under ten seconds, you review it briefly. It looks right, and...

A Coding Guide for Property-Based Testing Using Hypothesis with Stateful, Differential, and Metamorphic Test Design

In this tutorial, we explore property-based testing using Hypothesis and build a rigorous testing pipeline that goes far beyond traditional unit testing. We implement invariants, d...

Building Resilient Mobile Apps: A Layered Testing Strategy for Long-Term Stability

Originally appeared on Gusto Engineering - Medium.Mobile teams shipping on a weekly cadence need automated confidence that changes won’t break what’s already working. At Gusto, our...

11 Agentic Testing Tools to Know in 2026

Agentic testing tools help teams plan, generate, adapt, and run tests with far less manual effort. They’re quickly becoming part of how modern QA scales without slowing delivery....

The Modern Guide to Android SDK Development: Testing & Distribution (Part 2 of 3)

Part 2 of 3 — coroutine testing, consumer simulation, binary compatibility, and Maven CentralContinue reading on ProAndroidDev »