Switch to github actions

.github/workflows/tests.yml

@@ -0,0 +1,35 @@
+name: Tests
+
+on: [push, pull_request]
+
+jobs:
+  tests:
+    name: Tests PHP ${{ matrix.php }}
+    runs-on: ubuntu-latest
+    continue-on-error: ${{ matrix.experimental }}
+    strategy:
+      fail-fast: false
+      matrix:
+        php: [7.3, 7.4, 8.0]
+        experimental: [false]
+        include:
+          - php: 7.4
+            analysis: true
+          - php: 8.1
+            experimental: true
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+
+      - name: Set up PHP ${{ matrix.php }}
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: ${{ matrix.php }}
+          coverage: xdebug
+
+      - name: Install dependencies with Composer
+        uses: ramsey/composer-install@v1
+
+      - name: Tests
+        run: composer test

README.md

@@ -7,7 +7,13 @@ Splits stylesheets that go beyond the IE limit of 4096 selectors. See this [MSDN
 
 ## Installation
 
-Use composer
+It's recommended to use [Composer](https://getcomposer.org) to install
+
+```bash
+$ composer require dlundgren/php-css-splitter
+```
+
+This will install the CssSplitter library and any required dependencies.
 
 ## Usage
 
@@ -32,11 +38,10 @@ if($additional_part_count > 0) {
 		file_put_contents('styles_'. $part .'.css', $splitter->split($css, $part));
 	}
 }
-
-
 ```
+
 ## Credits & License
 
 Original inspiration came from the Ruby gem [CssSplitter](https://github.com/zweilove/css_splitter).
 
-Uses the MIT license.
+CssSplitter is licensed under the MIT license. See [License File](LICENSE) for more information.

composer.json

@@ -19,9 +19,12 @@
 		}
 	},
 	"require"     : {
-		"php"             : ">=5.3.0"
+		"php"             : ">=7.3"
 	},
 	"require-dev" : {
-		"phpunit/phpunit" : "3.7.*"
+		"phpunit/phpunit" : "^9.0"
+	},
+	"scripts": {
+		"test": "phpunit"
 	}
 }

phpunit.xml.dist

@@ -1,23 +1,22 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <phpunit backupGlobals="false"
          backupStaticAttributes="false"
+         bootstrap="tests/bootstrap.php"
          colors="true"
          convertErrorsToExceptions="true"
          convertNoticesToExceptions="true"
          convertWarningsToExceptions="true"
          processIsolation="false"
-         stopOnFailure="false"
-         syntaxCheck="false"
-         bootstrap="tests/bootstrap.php"
+         stopOnFailure="true"
 >
+	<coverage processUncoveredFiles="true">
+		<include>
+			<directory suffix=".php">./src</directory>
+		</include>
+	</coverage>
 	<testsuites>
 		<testsuite name="CSS Splitter Tests">
 			<directory>./tests/Tests</directory>
 		</testsuite>
 	</testsuites>
-	<filter>
-		<whitelist>
-			<directory>./src/</directory>
-		</whitelist>
-	</filter>
 </phpunit>

tests/Tests/SplitterTest.php

@@ -11,9 +11,10 @@
 namespace CssSplitter\Tests;
 
 use CssSplitter\Splitter;
+use PHPUnit\Framework\TestCase;
 
 class SplitterTest
-	extends \PHPUnit_Framework_TestCase
+	extends TestCase
 {
 	public static function provideSplitFilesAndExpectedResults()
 	{