Add workflow for testing

.gitea/workflows/phpunit.yaml

@@ -0,0 +1,41 @@
+
+name: phpunit
+
+on:
+  push:
+    branches:
+      - master
+
+jobs:
+  ci:
+    name: Integration Tests
+    runs-on: ubuntu-latest
+    steps:
+      -
+        name: Checkout
+        uses: actions/checkout@v3
+      -
+        name: Setup PHP
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: "latest"
+          tools: phpunit-bridge
+          extensions: mbstring, xml, ctype, iconv, intl, pdo_sqlite
+          coverage: xdebug
+      -
+        name: Cache composer dependencies
+        uses: actions/cache@v4
+        with:
+          key: ${{ runner.OS }}-composer-cache
+          path: ~/.cache/composer
+          #note: hashFiles is broken with act_runner;
+          #      ${{ hashFiles('**/composer.lock') }}
+          restore-keys: |
+            ${{ runner.OS }}-composer-cache
+      -
+        name: Install dependencies
+        run: APP_ENV=test composer install --no-progress --no-interaction --ansi
+      -
+        name: Run tests
+        shell: bash
+        run: vendor/bin/phpunit --testdox