add Laravel 7 support

.gitattributes

@@ -0,0 +1,10 @@
+# Path-based git attributes
+# https://www.kernel.org/pub/software/scm/git/docs/gitattributes.html
+
+# Ignore all test and documentation with "export-ignore".
+/tests              export-ignore
+/.github            export-ignore
+/.editorconfig      export-ignore
+/.gitattributes     export-ignore
+/.gitignore         export-ignore
+/phpunit.xml.dist   export-ignore

.github/workflows/run-tests.yml

@@ -0,0 +1,46 @@
+name: run-tests
+
+on: push
+
+jobs:
+  test:
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: true
+      matrix:
+        os: [ubuntu-latest]
+        php: [7.4]
+        laravel: [7.*, 6.*]
+        dependency-version: [prefer-lowest, prefer-stable]
+        include:
+          - laravel: 7.*
+            testbench: 5.*
+          - laravel: 6.*
+            testbench: 4.*
+
+    name: P${{ matrix.php }} - L${{ matrix.laravel }} - ${{ matrix.dependency-version }} - ${{ matrix.os }}
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v2
+
+      - name: Get Composer Cache Directory
+        id: composer-cache
+        run: echo "::set-output name=dir::$(composer config cache-files-dir)"
+      - name: Cache Composer
+        uses: actions/cache@v1
+        with:
+          path: ${{ steps.composer-cache.outputs.dir }}
+          key: composer-laravel-${{ matrix.laravel }}-php-${{ matrix.php }}-composer-${{ hashFiles('composer.json') }}
+          restore-keys: |
+            composer-laravel-${{ matrix.laravel }}-php-${{ matrix.php }}-composer-
+            composer-laravel-${{ matrix.laravel }}-php-
+            composer-laravel-
+
+      - name: Install dependencies
+        run: |
+          composer require "laravel/framework:${{ matrix.laravel }}" "orchestra/testbench:${{ matrix.testbench }}" --no-interaction --no-update
+          composer update --${{ matrix.dependency-version }} --prefer-dist --no-interaction --no-suggest
+
+      - name: phpunit
+        run: vendor/bin/phpunit

composer.json

@@ -18,12 +18,12 @@
     ],
     "require": {
         "php": "^7.4",
-        "illuminate/support": "^6.0",
+        "illuminate/support": "^6.0 || ^7.0",
         "symfony/mime": "^5.0"
     },
     "require-dev": {
-        "orchestra/testbench": "^4.0",
-        "phpunit/phpunit": "^8.0"
+        "orchestra/testbench": "^4.0 || ^5.0",
+        "phpunit/phpunit": "^8.0 || ^9.0"
     },
     "config": {
         "sort-packages": true