Kill All Mutants! (Intro to Mutation Testing)
summary
Explains mutation testing by showing concrete results not just hype: tools named include mutant and Mutest and older Heckle, a simple example (power method) reveals which swaps survive and how to kill them, a send_message example finds a redundant loop that can be removed, and worst case math gives about 1,000 mutants per function leading to ~17 minutes of runs for a small suite unless trimmed to about a third; setup is usually easy and an actionable report can appear in under an hour.
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chapters (4)
- 0:00Start
- 8:19break our code apart into pieces
- 11:10parses our code into an abstract syntax
- 15:22remove entire lines of code
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