Rework github actions

Author: Holger Lösken

.github/workflows/tests.yml

@@ -2,19 +2,26 @@ name: Tests
 on: [push]
 jobs:
   run:
-    runs-on: ${{ matrix.operating-system }}
+    runs-on: ubuntu-latest
     strategy:
       matrix:
-        operating-system: [ubuntu-latest]
-        php-versions: ['7.3', '7.4']
-    name: PHP ${{ matrix.php-versions }} Test on ${{ matrix.operating-system }}
+        php: ['7.3', '7.4']
+        laravel: [6.*, 7.*]
+        dependency-version: [prefer-lowest, prefer-stable]
+        include:
+          - laravel: 7.*
+            testbench: 5.*
+          - laravel: 6.*
+            testbench: 4.*
+    name: P${{ matrix.php }} - L${{ matrix.laravel }} - ${{ matrix.dependency-version }}
     steps:
-      - uses: actions/checkout@v1
+      - name: Checkout code
+        uses: actions/checkout@v1
 
       - name: Setup PHP
         uses: shivammathur/setup-php@v1
         with:
-          php-version: ${{ matrix.php-versions }}
+          php-version: ${{ matrix.php }}
           extensions: mbstring, intl, zip
           coverage: xdebug
 
@@ -25,12 +32,13 @@ jobs:
       - name: Cache dependencies
         uses: actions/cache@v1
         with:
-          path: ${{ steps.composer-cache.outputs.dir }}
-          key: ${{ runner.os }}-composer-${{ hashFiles('**/composer.lock') }}
-          restore-keys: ${{ runner.os }}-composer-
+          path: ~/.composer/cache/files
+          key: dependencies-laravel-${{ matrix.laravel }}-php-${{ matrix.php }}-composer-${{ hashFiles('composer.json') }}
 
-      - name: Run composer install
-        run: composer install -n --prefer-dist
+      - name: Install dependencies
+        run: |
+          composer require "laravel/framework:${{ matrix.laravel }}" "orchestra/testbench:${{ matrix.testbench }}" --no-interaction --no-update
+          composer update --${{ matrix.dependency-version }} --prefer-dist --no-interaction --no-suggest
         env:
           APP_ENV: testing