add action phpunit

Author: cesargb

.github/workflows/tests.yml

@@ -0,0 +1,48 @@
+name: tests
+
+on:
+  push:
+    branches: [master]
+  pull_request:
+    branches: [master]
+
+jobs:
+  phpunit:
+
+    runs-on: ubuntu-latest
+
+    strategy:
+      matrix:
+        php-versions: ['8.0', '8.1']
+
+    steps:
+    - uses: actions/checkout@v2
+
+    - name: Setup PHP
+      uses: shivammathur/setup-php@v2
+      with:
+        php-version: ${{ matrix.php-versions }}
+        extensions: dom, curl, libxml, mbstring, zip, pcntl, bcmath, intl, exif
+        coverage: xdebug
+
+
+    - name: Validate composer.json and composer.lock
+      run: composer validate
+
+    - name: Cache Composer packages
+      id: composer-cache
+      uses: actions/cache@v2
+      with:
+        path: vendor
+        key: ${{ runner.os }}-php-${{ hashFiles('**/composer.lock') }}
+        restore-keys: |
+          ${{ runner.os }}-php-
+
+    - name: Install dependencies
+      if: steps.composer-cache.outputs.cache-hit != 'true'
+      run: |
+        composer install
+        composer dump
+
+    - name: Run test phpunit
+      run: vendor/bin/phpunit