[CI] Add GitHub Actions: test.yaml

.github/workflows/test.yaml

@@ -0,0 +1,83 @@
+name: Test
+
+on:
+  push:
+  pull_request:
+
+permissions:
+  contents: read
+
+jobs:
+
+  tests:
+    name: Unit Tests on PHP ${{ matrix.php-versions }} with ${{ matrix.deps }} dependencies
+
+    strategy:
+      matrix:
+        php-versions:
+          - '8.1'
+          - '8.2'
+          - '8.3'
+        deps:
+          - 'highest'
+          - 'lowest'
+
+    env:
+      extensions: pdo_mysql
+
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 1
+
+      - name: Setup cache Environment
+        id: extcache
+        uses: shivammathur/cache-extensions@v1
+        with:
+          php-version: ${{ matrix.php-versions }}
+          extensions: ${{ env.extensions }}
+          key: ext-cache-v1
+
+      - name: Cache extensions
+        uses: actions/cache@v4
+        with:
+          path: ${{ steps.extcache.outputs.dir }}
+          key: ${{ steps.extcache.outputs.key }}
+          restore-keys: ${{ steps.extcache.outputs.key }}
+
+      - name: Setup PHP
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: ${{ matrix.php-versions }}
+          extensions: ${{ env.extensions }}
+          coverage: pcov
+        env:
+          fail-fast: true
+
+      - name: Get composer cache directory
+        id: composer-cache
+        run: echo "dir=$(composer config cache-files-dir)" >> $GITHUB_OUTPUT
+
+      - name: Cache dependencies
+        uses: actions/cache@v4
+        with:
+          path: ${{ steps.composer-cache.outputs.dir }}
+          key: ${{ runner.os }}-${{ matrix.deps }}-composer-${{ hashFiles('**/composer.json') }}
+          restore-keys: ${{ runner.os }}-${{ matrix.deps }}-composer-
+
+      - name: Install dependencies
+        run: |
+          if [[ "${{ matrix.deps }}" == "lowest" ]]; then
+            composer update --prefer-lowest --no-progress --no-suggest --ansi --prefer-dist
+          else
+            composer update --prefer-stable --no-progress --no-suggest --ansi --prefer-dist
+          fi
+
+      - name: Run PHPUnit
+        run: composer test
+
+      - name: Run PHPStan
+        run: composer lint