Fix: Do not run mutation tests

.gitattributes

@@ -6,7 +6,6 @@
 /.gitignore                     export-ignore
 /.php_cs                        export-ignore
 /composer-require-checker.json  export-ignore
-/infection.json                 export-ignore
 /Makefile                       export-ignore
 /phpstan-baseline.neon          export-ignore
 /phpstan.neon                   export-ignore

.github/CONTRIBUTING.md

@@ -82,18 +82,6 @@ $ make tests
 
 to run all the tests.
 
-## Mutation Tests
-
-We are using [`infection/infection`](https://github.com/infection/infection) to ensure a minimum quality of the tests.
-
-Enable `Xdebug` and run
-
-```sh
-$ make mutation-tests
-```
-
-to run mutation tests.
-
 ## Extra lazy?
 
 Run

.github/settings.yml

@@ -17,7 +17,6 @@ branches:
           - "Code Coverage (7.4, locked)"
           - "Coding Standards (7.4, locked)"
           - "Dependency Analysis (7.4, locked)"
-          - "Mutation Tests (7.4, locked)"
           - "Static Code Analysis (7.4, locked)"
           - "Tests (7.4, highest)"
           - "Tests (7.4, locked)"

.github/workflows/integrate.yaml

@@ -273,45 +273,3 @@ jobs:
         env:
           CODECOV_TOKEN: "${{ secrets.CODECOV_TOKEN }}"
         run: "bash <(curl -s https://codecov.io/bash)"
-
-  mutation-tests:
-    name: "Mutation Tests"
-
-    runs-on: "ubuntu-latest"
-
-    strategy:
-      matrix:
-        php-version:
-          - "7.4"
-
-        dependencies:
-          - "locked"
-
-    steps:
-      - name: "Checkout"
-        uses: "actions/checkout@v3"
-
-      - name: "Install PHP with extensions"
-        uses: "shivammathur/setup-php@2.18.1"
-        with:
-          coverage: "xdebug"
-          extensions: "${{ env.PHP_EXTENSIONS }}"
-          php-version: "${{ matrix.php-version }}"
-
-      - name: "Determine composer cache directory"
-        uses: "./.github/actions/composer/composer/determine-cache-directory"
-
-      - name: "Cache dependencies installed with composer"
-        uses: "actions/cache@v3"
-        with:
-          path: "${{ env.COMPOSER_CACHE_DIR }}"
-          key: "php-${{ matrix.php-version }}-composer-${{ matrix.dependencies }}-${{ hashFiles('composer.lock') }}"
-          restore-keys: "php-${{ matrix.php-version }}-composer-${{ matrix.dependencies }}-"
-
-      - name: "Install ${{ matrix.dependencies }} dependencies with composer"
-        uses: "./.github/actions/composer/composer/install"
-        with:
-          dependencies: "${{ matrix.dependencies }}"
-
-      - name: "Run mutation tests with Xdebug and infection/infection"
-        run: "vendor/bin/infection --ignore-msi-with-no-mutations --min-covered-msi=${{ env.MIN_COVERED_MSI }} --min-msi=${{ env.MIN_MSI }}"

Makefile

@@ -25,11 +25,6 @@ dependency-analysis: vendor ## Runs a dependency analysis with maglnet/composer-
 help: ## Displays this list of targets with descriptions
 	@grep -E '^[a-zA-Z0-9_-]+:.*?## .*$$' $(MAKEFILE_LIST) | sort | awk 'BEGIN {FS = ":.*?## "}; {printf "\033[32m%-30s\033[0m %s\n", $$1, $$2}'
 
-.PHONY: mutation-tests
-mutation-tests: vendor ## Runs mutation tests with infection/infection
-	mkdir -p .build/infection
-	vendor/bin/infection --ignore-msi-with-no-mutations --min-covered-msi=${MIN_COVERED_MSI} --min-msi=${MIN_MSI}
-
 .PHONY: static-code-analysis
 static-code-analysis: vendor ## Runs a static code analysis with phpstan/phpstan and vimeo/psalm
 	mkdir -p .build/phpstan

composer.json

@@ -31,7 +31,6 @@
     "ergebnis/license": "^1.1.0",
     "ergebnis/php-cs-fixer-config": "^2.14.0",
     "ergebnis/test-util": "^1.5.0",
-    "infection/infection": "~0.15.3",
     "nette/di": "^3.0.13",
     "phpstan/phpstan-deprecation-rules": "^1.0.0",
     "phpstan/phpstan-strict-rules": "^1.1.0",
@@ -53,7 +52,8 @@
   },
   "config": {
     "allow-plugins": {
-      "ergebnis/composer-normalize": true
+      "ergebnis/composer-normalize": true,
+      "infection/extension-installer": true
     },
     "platform": {
       "php": "7.4.29"