feat: add github action tests (#3)

.github/workflows/static-analysis.yaml

@@ -0,0 +1,46 @@
+on:
+  pull_request: ~
+  push:
+    branches:
+      - "main"
+
+name: "Static analysis"
+
+jobs:
+  phpstan:
+    name: "PHPStan"
+    runs-on: "ubuntu-latest"
+
+    strategy:
+      matrix:
+        php-version:
+          - "8.3"
+
+    steps:
+      - name: "Checkout code"
+        uses: "actions/checkout@v4"
+
+      - name: "Set up PHP"
+        uses: "shivammathur/setup-php@v2"
+        with:
+          coverage: "none"
+          php-version: "${{ matrix.php-version }}"
+
+      - name: "Determine composer cache directory"
+        id: "composer-cache"
+        run: "echo \"directory=$(composer config cache-dir)\" >> $GITHUB_OUTPUT"
+
+      - name: "Cache dependencies installed with composer"
+        uses: "actions/cache@v3"
+        with:
+          path: "${{ steps.composer-cache.outputs.directory }}"
+          key: "composer-${{ matrix.php-version }}-${{ hashFiles('composer.*') }}"
+          restore-keys: |
+            composer-${{ matrix.php-version }}-
+            composer-
+
+      - name: "Download dependencies"
+        run: composer update --ansi --no-interaction --no-progress --optimize-autoloader
+
+      - name: "Run PHPStan"
+        run: vendor/bin/phpstan analyse --ansi --no-progress

.github/workflows/tests.yaml

@@ -0,0 +1,53 @@
+# https://help.github.com/en/categories/automating-your-workflow-with-github-actions
+
+on:
+  pull_request: ~
+  push:
+    branches:
+      - "main"
+
+name: "Tests"
+
+jobs:
+  phpunit:
+    name: "PHPUnit (${{ matrix.php-version }})"
+
+    strategy:
+      fail-fast: false
+      matrix:
+        experimental:
+          - false
+        php-version:
+          - "8.3"
+
+    runs-on: "ubuntu-latest"
+
+    steps:
+      - name: "Checkout code"
+        uses: "actions/checkout@v4"
+
+      - name: "Install PHP with extensions"
+        uses: "shivammathur/setup-php@v2"
+        with:
+          coverage: "none"
+          php-version: "${{ matrix.php-version }}"
+
+      - name: "Determine composer cache directory"
+        id: "composer-cache"
+        run: "echo \"directory=$(composer config cache-dir)\" >> $GITHUB_OUTPUT"
+
+      - name: "Cache dependencies installed with composer"
+        uses: "actions/cache@v3"
+        with:
+          path: "${{ steps.composer-cache.outputs.directory }}"
+          key: "composer-${{ matrix.php-version }}-${{ hashFiles('composer.*') }}"
+          restore-keys: |
+            composer-${{ matrix.php-version }}-
+            composer-
+
+      - name: "Download dependencies"
+        run: "composer update --ansi --no-interaction --no-progress --optimize-autoloader"
+
+      - name: "Run tests"
+        run: "./vendor/bin/phpunit --colors=always"
+        continue-on-error: "${{ matrix.experimental }}"