Kill All Mutants! - Intro to Mutation Testing

An introduction to mutation testing explains how altered versions of code reveal weaknesses in tests, along with the technique’s benefits, drawbacks, pitfalls, and tools. Pseudocode examples show how to create and assess mutants.

Syllabus

Intro
Expectations
Mutation Testing Qualities
Mutation Testing Positives
Mutation Testing Negatives
How Does Mutation Testing Work
SpiderMan
Examples
Surviving Mutants
Kill Mutants
Complex Example
While Loop Once
Not Testing
Pseudocode
Frequently Asked Questions
Why is it so CPU intensive
Unit tests
Mutation testing
Trimming down mutants
Why change mutants in one way
Swapping mutants
Multiple mutations
Individual tests
All tests
Summary
Mutation Testing Tools
Mutant
Fails
When
Mutation Testing Report
Switching Rooms
From the Beginning
Create Meaningful Tests
Toy Project
Test Coverage
More Questions
Outro