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Commit 9b118ac

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Set up mutation testing
1 parent 38fc20d commit 9b118ac

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4 files changed

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‎.github/workflows/build.yml‎

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@@ -145,6 +145,55 @@ jobs:
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- name: "Tests"
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run: "make tests"
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mutation-testing:
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name: "Mutation Testing"
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runs-on: "ubuntu-latest"
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needs: ["tests", "static-analysis"]
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strategy:
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fail-fast: false
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matrix:
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php-version:
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- "8.2"
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- "8.3"
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- "8.4"
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steps:
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- name: "Checkout"
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uses: actions/checkout@v5
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- name: "Install PHP"
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uses: "shivammathur/setup-php@v2"
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with:
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coverage: "pcov"
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php-version: "${{ matrix.php-version }}"
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ini-file: development
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extensions: pdo, mysqli, pgsql, pdo_mysql, pdo_pgsql, pdo_sqlite, mongodb
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tools: infection:0.31.4
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- name: "Allow installing on PHP 8.4"
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if: matrix.php-version == '8.4'
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run: "composer config platform.php 8.3.99"
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- name: "Install dependencies"
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run: "composer install --no-interaction --no-progress"
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- uses: "actions/download-artifact@v4"
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with:
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name: "result-cache-${{ matrix.php-version }}"
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path: "tmp/"
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- name: "Run infection"
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run: |
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git fetch --depth=1 origin $GITHUB_BASE_REF
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infection --git-diff-base=origin/$GITHUB_BASE_REF --git-diff-lines --ignore-msi-with-no-mutations --min-msi=100 --min-covered-msi=100 --log-verbosity=all --debug
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- uses: "actions/upload-artifact@v4"
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if: always()
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with:
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name: "infection-log-${{ matrix.php-version }}"
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path: "tmp/infection.log"
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static-analysis:
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name: "PHPStan"
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runs-on: "ubuntu-latest"
@@ -189,3 +238,9 @@ jobs:
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- name: "PHPStan"
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run: "make phpstan"
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- uses: "actions/upload-artifact@v4"
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with:
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# "update-packages" is not relevant for the download-artifact counterpart, but we need it here to get unique artifact names across all jobs
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name: "result-cache-${{ matrix.php-version }}${{ matrix.update-packages && '-packages-updated' || '' }}"
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path: "tmp/resultCache.php"

‎infection.json5‎

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{
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"$schema": "vendor/infection/infection/resources/schema.json",
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"timeout": 30,
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"source": {
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"directories": [
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"src"
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]
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},
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"staticAnalysisTool": "phpstan",
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"logs": {
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"text": "tmp/infection.log"
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},
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"mutators": {
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"@default": false,
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"PHPStan\\Infection\\TrinaryLogicMutator": true
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}
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}

‎phpstan.neon‎

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- src
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- tests
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resultCachePath: tmp/resultCache.php
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excludePaths:
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- tests/*/data/*
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- tests/*/data-attributes/*
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- tests/*/data-php-*/*
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- tests/Rules/Doctrine/ORM/entity-manager.php
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- tests/Infection/
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reportUnmatchedIgnoredErrors: false
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<?php declare(strict_types = 1);
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namespace PHPStan\Infection;
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use Infection\Mutator\Definition;
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use Infection\Mutator\Mutator;
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use Infection\Mutator\MutatorCategory;
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use LogicException;
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use PhpParser\Node;
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use function in_array;
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/**
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* @implements Mutator<Node\Expr\MethodCall>
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*/
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final class TrinaryLogicMutator implements Mutator
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{
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public static function getDefinition(): Definition
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{
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return new Definition(
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<<<'TXT'
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Replaces TrinaryLogic->yes() with !TrinaryLogic->no() and vice versa.
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TXT
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,
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MutatorCategory::ORTHOGONAL_REPLACEMENT,
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null,
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<<<'DIFF'
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- $type->isBoolean()->yes();
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+ !$type->isBoolean()->no();
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DIFF,
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);
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}
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public function getName(): string
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{
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return 'TrinaryLogicMutator';
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}
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public function canMutate(Node $node): bool
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{
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if (!$node instanceof Node\Expr\MethodCall) {
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return false;
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}
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if (!$node->name instanceof Node\Identifier) {
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return false;
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}
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if (!in_array($node->name->name, ['yes', 'no'], true)) {
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return false;
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}
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return true;
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}
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public function mutate(Node $node): iterable
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{
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if (!$node->name instanceof Node\Identifier) {
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throw new LogicException();
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}
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if ($node->name->name === 'yes') {
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yield new Node\Expr\BooleanNot(new Node\Expr\MethodCall($node->var, 'no'));
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} else {
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yield new Node\Expr\BooleanNot(new Node\Expr\MethodCall($node->var, 'yes'));
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}
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}
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}

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