infection
PHP mutation testing framework
TLDR
Run mutation testing
$ infection
Run with specific threads$ infection --threads=[4]
Target specific files$ infection --filter=[src/Service/]
Set minimum score$ infection --min-msi=[70]
Show mutations$ infection --show-mutations
Output to file$ infection --log-verbosity=all --logger-text=[infection.log]
SYNOPSIS
infection [options]
DESCRIPTION
infection is a PHP mutation testing framework. It modifies code to test the effectiveness of your test suite.
The tool creates mutants (modified code) and runs tests against them. Surviving mutants indicate weak test coverage.
PARAMETERS
--threads N
Parallel execution threads.--filter PATH
Filter source files to mutate.--min-msi N
Minimum Mutation Score Indicator.--min-covered-msi N
Minimum covered code MSI.--show-mutations
Display mutation details.--mutators LIST
Specific mutators to use.--help
Display help information.
CAVEATS
PHP-only. Requires PHPUnit or Codeception. Resource intensive on large codebases.
HISTORY
infection was created as a mutation testing tool for PHP, inspired by similar tools in other languages like Stryker.