chore: add PHPUnit 8 support

Author: JusteLeblanc

README.md

@@ -1,25 +1,12 @@
 # PHPUnit Extra
 
 PHPUnit Extra provides a PHPUnit listener to improve performance of your
-PHPUnit test suites by cleaning up classes variables at the end of each 
+PHPUnit test suites by cleaning up classes variables at the end of each
 TestCase. Thanks [Kris Wallsmith for this tip](http://kriswallsmith.net/post/18029585104/faster-phpunit).
 
 ## Installation
 
-### Step 1: Make sure composer knows how to access the library
-
-Add the path to the private repository in your `composer.json`:
-
-```json
-"repositories": [
-    {
-        "type": "vcs",
-        "url": "https://github.com/theodo/phpunit-extra"
-    }
-]
-```
-
-### Step 2: Install the library
+### Step 1: Install the library
 
 Open a command console, enter your project directory and execute the
 following command to download the latest stable version of this bundle:
@@ -32,15 +19,20 @@ This command requires you to have Composer installed globally, as explained
 in the [installation chapter](https://getcomposer.org/doc/00-intro.md)
 of the Composer documentation.
 
-Github will ask you to create a token and to paste it so that it can 
-download the private Github repository.
+### Step 2: Configure the listener in PHPUnit
 
-### Step 3: Configure the listener in PHPUnit
+For PHPUnit >= 7.5, add the extension in your XML config file (e.g. `phpunit.xml.dist`).
+
+```xml
+<extensions>
+    <extension class="\Theodo\PHPUnitExtra\PHPUnit\PHPUnitExtension" />
+</extensions>
+```
 
-Add a listener in your `phpunit.xml.dist`.
+For PHPUnit < 7.5 add the listener in your XML config file (e.g. `phpunit.xml.dist`).
 
 ```xml
 <listeners>
-    <listener class="\Theodo\PHPUnitExtra\PHPUnitListener\PHPUnitListener" />
+    <listener class="\Theodo\PHPUnitExtra\PHPUnit\PHPUnitListener" />
 </listeners>
 ```

composer.json

@@ -1,6 +1,6 @@
 {
   "name": "theodo/phpunit-extra",
-  "description": "PHP library improve PHPUnit test performance",
+  "description": "PHP library which improves PHPUnit test suite performance",
   "type": "library",
   "keywords": ["tests", "phpunit", "performance", "clean up", "symfony", "functional tests"],
   "license": "MIT",

src/PHPUnit/PHPUnitExtension.php

@@ -0,0 +1,20 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Theodo\PHPUnitExtra\PHPUnit;
+
+class PHPUnitExtension implements \PHPUnit\Runner\AfterTestHook
+{
+    public function executeAfterTest(string $test, float $time): void
+    {
+        $reflectionObject = new \ReflectionObject($test);
+        foreach ($reflectionObject->getProperties() as $prop) {
+            if (!$prop->isStatic() && 0 !== strpos($prop->getDeclaringClass()->getName(), 'PHPUnit_')) {
+                $prop->setAccessible(true);
+                $prop->setValue($test, null);
+            }
+        };
+    }
+
+}

src/PHPUnitListener/PHPUnitListener.php renamed to src/PHPUnit/PHPUnitListener.php

@@ -2,7 +2,7 @@
 
 declare(strict_types=1);
 
-namespace Theodo\PHPUnitExtra\PHPUnitListener;
+namespace Theodo\PHPUnitExtra\PHPUnit;
 
 class PHPUnitListener implements \PHPUnit\Framework\TestListener
 {
@@ -18,5 +18,4 @@ public function endTest(\PHPUnit\Framework\Test $test, float $timer): void
             }
         };
     }
-
 }