infection.json5

{
    "$schema": "vendor/infection/infection/resources/schema.json",
    "source": {
        "directories": [
            "src"
        ]
    },
    "mutators": {
        "@default": true,

        // --- Documented ignores: mutants that are provably behavior-invisible. ---

        // The 0o775 mode passed to mkdir() only affects directory permission bits, which
        // nothing observes or asserts. (Targets the mkdir() calls only; the min(16)/max(64)
        // bounds in the config tree are still mutated and killed.)
        // (Regexes are anchored by Infection to a whole removed diff line: ^-\s*<regex>$,
        // hence the surrounding .* — they target one specific line each.)
        "IncrementInteger": { "ignoreSourceCodeByRegex": [".*0o775.*"] },
        "DecrementInteger": { "ignoreSourceCodeByRegex": [".*0o775.*"] },

        // Symfony\Component\Console\Application already defaults catchExceptions to true; the
        // explicit call documents intent, so removing it is a no-op. (Other MethodCallRemoval
        // mutants — the services.php import, addResource, the autoloader register — are killed.)
        "MethodCallRemoval": { "ignoreSourceCodeByRegex": [".*setCatchExceptions.*"] },

        // The synthetic roots file's exact byte layout (trailing newline / line glue) is
        // irrelevant: it only has to be valid PHP that triggers specialization, which
        // XphpCompilerTest asserts via the generated class plus full artifact cleanup.
        "Concat": { "ignoreSourceCodeByRegex": [".*implode.*"] },
        "ConcatOperandRemoval": { "ignoreSourceCodeByRegex": [".*implode.*"] },

        // These (string) casts satisfy the type system only: ParameterBag::resolveValue()
        // returns a string for the source/target/cache path params at runtime, so dropping
        // the cast changes no behavior.
        "CastString": { "ignoreSourceCodeByRegex": [".*resolveValue.*"] },

        // Early-return guard in removeRootsArtifacts(): with no roots there is nothing to
        // clean, and the @unlink/@rmdir it guards are already no-ops on absent paths.
        "ReturnRemoval": { "ignore": ["Xphp\\SymfonyBundle\\Compiler\\XphpCompiler::removeRootsArtifacts"] }
    },
    "logs": {
        "text": "var/infection.log"
    }
}