feat: add test coverage report

.github/workflows/codecov.yaml

@@ -0,0 +1,4 @@
+name: Upload coverage reports to Codecov
+uses: codecov/codecov-action@v3
+env:
+CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}

.github/workflows/php-cs-fixer.yml → .github/workflows/php-cs-fixer.yaml

@@ -1,5 +1,7 @@
-on: [push, pull_request]
 name: Check & fix styling
+
+on: [push, pull_request]
+
 jobs:
   php-cs-fixer:
     name: PHP-CS-Fixer

.github/workflows/phpmd.yml → .github/workflows/phpmd.yaml

@@ -1,5 +1,7 @@
-on: [push, pull_request]
 name: PHPMD
+
+on: [push, pull_request]
+
 jobs:
     phpmd:
         name: PHPMD

.github/workflows/tests.yaml

@@ -0,0 +1,55 @@
+name: Tests
+
+on:
+  push:
+    branches:
+      - master
+      - '*.x'
+  pull_request:
+
+permissions:
+  contents: read
+
+jobs:
+  tests:
+    runs-on: ubuntu-latest
+    strategy:
+        fail-fast: true
+        matrix:
+            php: [ 8.1, 8.2 ]
+    name: PHP ${{ matrix.php }}
+
+    container:
+      image: kirschbaumdevelopment/laravel-test-runner:8.1
+
+    services:
+      mysql:
+        image: mysql:5.7
+        env:
+          MYSQL_ROOT_PASSWORD: password
+          MYSQL_DATABASE: test
+        ports:
+          - 33306:3306
+        options: --health-cmd="mysqladmin ping" --health-interval=10s --health-timeout=5s --health-retries=3
+
+    steps:
+        - name: Checkout code
+          uses: actions/checkout@v3
+
+        - name: Setup PHP
+          uses: shivammathur/setup-php@v2
+          with:
+              php-version: ${{ matrix.php }}
+              extensions: dom, curl, libxml, mbstring, zip, pcntl, pdo, sqlite, pdo_sqlite
+              coverage: none
+
+        - name: Install Composer dependencies
+          run: composer install --prefer-dist --no-interaction --no-progress
+
+        - name: Execute tests
+          run: vendor/bin/phpunit
+
+        - name: Upload coverage reports to Codecov
+          uses: codecov/codecov-action@v3
+          env:
+            CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}