infection.json5

{
    "$schema": "https://raw.githubusercontent.com/infection/infection/master/resources/schema.json",
    "source": {
        "directories": [
            "Classes"
        ],
        "excludes": [
            // Skip simple DTOs and value objects with no logic
            "Domain/Model"
        ]
    },
    "logs": {
        "html": ".Build/logs/infection.html",
        "text": ".Build/logs/infection.log",
        "summary": ".Build/logs/infection-summary.log",
        "perMutator": ".Build/logs/infection-per-mutator.md"
    },
    "mutators": {
        "@default": true,
        // Disable noisy mutators that often create equivalent mutants
        "TrueValue": false,
        "FalseValue": false
    },
    "minMsi": 25,
    "minCoveredMsi": 90,
    "testFramework": "phpunit",
    "phpUnit": {
        "customPath": ".Build/bin/phpunit",
        "configDir": "Build/phpunit"
    },
    "tmpDir": ".Build/infection-tmp"
}