Create tests.yaml

.github/workflows/tests.yaml

@@ -0,0 +1,42 @@
+name: Tests
+
+on:
+    pull_request: null
+
+env:
+    # see https://github.com/composer/composer/issues/9368#issuecomment-718112361
+    COMPOSER_ROOT_VERSION: "dev-main"
+
+jobs:
+    tests:
+        runs-on: ubuntu-latest
+        timeout-minutes: 30
+
+        strategy:
+            fail-fast: false
+            matrix:
+                php: ['8.0']
+                path:
+                    - tests
+                    - rules-tests
+                    - packages-tests
+
+        name: PHP ${{ matrix.php }} tests for ${{ matrix.path }}
+        steps:
+            -   uses: actions/checkout@v2
+
+            -
+                uses: shivammathur/setup-php@v2
+                with:
+                    php-version: ${{ matrix.php }}
+                    coverage: none
+
+            -   uses: "ramsey/composer-install@v1"
+
+            # with --runner=WrapperRunner, it is faster, only ideal with 4 processes (p4)
+            # @see https://github.com/rectorphp/rector-src/pull/551#issuecomment-889990905
+            -   run: vendor/bin/paratest -p4 --runner=WrapperRunner ${{ matrix.path }}
+                if: ${{ matrix.path == 'rules-tests' }}
+
+            -   run: vendor/bin/phpunit ${{ matrix.path }}
+                if: ${{ matrix.path != 'rules-tests' }}