Run unit tests (barryvdh#1086)

* Run unit tests

* Add scripts, cs fixer

* Update composer.json

.github/workflows/run-tests.yml

@@ -0,0 +1,39 @@
+name: Tests
+
+on: [push, pull_request]
+
+jobs:
+  php-tests:
+    runs-on: ubuntu-latest
+    timeout-minutes: 15
+    env:
+      COMPOSER_NO_INTERACTION: 1
+
+    strategy:
+      matrix:
+        php: [7.4, 7.3, 7.2]
+        laravel: [7.*, 6.*, 5.5.*]
+        dependency-version: [prefer-lowest, prefer-stable]
+        exclude:
+          - laravel: 5.5.*
+            php: 7.4
+
+    name: P${{ matrix.php }} - L${{ matrix.laravel }} - ${{ matrix.dependency-version }}
+
+    steps:
+    - name: Checkout code
+      uses: actions/checkout@v2
+
+    - name: Setup PHP
+      uses: shivammathur/setup-php@v2
+      with:
+        php-version: ${{ matrix.php }}
+        coverage: none
+
+    - name: Install dependencies
+      run: |
+        composer require "laravel/framework:${{ matrix.laravel }}" --no-update --no-progress
+        composer update --${{ matrix.dependency-version }} --prefer-dist --no-suggest --no-progress
+
+    - name: Execute Unit Tests
+      run: composer test

composer.json

@@ -19,8 +19,9 @@
         "symfony/finder": "^3|^4|^5"
     },
     "require-dev": {
-        "orchestra/testbench": "^3.5|^4.0|^5.0",
-        "phpunit/phpunit": "^6.0|^7.0|^8.5|^9.0"
+        "orchestra/testbench": "^3.5.11|^4.0|^5.0",
+        "phpunit/phpunit": "^6.0|^7.0|^8.5|^9.0",
+        "squizlabs/php_codesniffer": "^3.5"
     },
     "autoload": {
         "psr-4": {
@@ -49,5 +50,10 @@
                 "Debugbar": "Barryvdh\\Debugbar\\Facade"
             }
         }
+    },
+    "scripts": {
+        "check-style": "phpcs -p --standard=PSR12 config/ resources/ src/ tests/",
+        "fix-style": "phpcbf -p --standard=PSR12 config/ resources/ src/ tests/",
+        "test": "phpunit"
     }
 }