Add autoloader for Magento\TestFramework classes

Fixes #31

Author: shochdoerfer

autoload.php

@@ -13,6 +13,7 @@
 use bitExpert\PHPStan\Magento\Autoload\FactoryAutoloader;
 use bitExpert\PHPStan\Magento\Autoload\MockAutoloader;
 use bitExpert\PHPStan\Magento\Autoload\ProxyAutoloader;
+use bitExpert\PHPStan\Magento\Autoload\TestFrameworkAutoloader;
 use Nette\Neon\Neon;
 use PHPStan\Cache\Cache;
 
@@ -52,10 +53,12 @@
     $cache = new Cache(new FileCacheStorage($tmpDir . '/cache/PHPStan'));
 
     $mockAutoloader = new MockAutoloader();
+    $testFrameworkAutoloader = new TestFrameworkAutoloader();
     $factoryAutoloader = new FactoryAutoloader($cache);
     $proxyAutoloader = new ProxyAutoloader($cache);
 
     \spl_autoload_register([$mockAutoloader, 'autoload'], true, true);
+    \spl_autoload_register([$testFrameworkAutoloader, 'autoload'], true, false);
     \spl_autoload_register([$factoryAutoloader, 'autoload'], true, false);
     \spl_autoload_register([$proxyAutoloader, 'autoload'], true, false);
 })($GLOBALS['argv'] ?? []);

src/bitExpert/PHPStan/Magento/Autoload/TestFrameworkAutoloader.php

@@ -0,0 +1,45 @@
+<?php
+
+/*
+ * This file is part of the phpstan-magento package.
+ *
+ * (c) bitExpert AG
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+declare(strict_types=1);
+
+namespace bitExpert\PHPStan\Magento\Autoload;
+
+/**
+ * Autoloader for Magento\TestFramework classes as those are not loaded by Composer by default which makes PHPStan
+ * not know about them.
+ */
+class TestFrameworkAutoloader
+{
+    public function autoload(string $class): void
+    {
+        $class = str_replace('\\', '/', $class);
+        $testsBaseDir = __DIR__ . '/../../../../../../../../dev/tests/static';
+
+        $directories = [
+            // try to find Magento\TestFramework classes...
+            $testsBaseDir . '/framework/',
+            $testsBaseDir . '/../integration/framework/',
+            $testsBaseDir . '/../api-functional/framework/',
+            // try to find Magento classes...
+            $testsBaseDir . '/testsuite/',
+            $testsBaseDir . '/framework/',
+            $testsBaseDir . '/framework/tests/unit/testsuite/',
+        ];
+
+        foreach ($directories as $directory) {
+            $filename = realpath($directory . $class . '.php');
+            if (!is_bool($filename) && file_exists($filename) && is_readable($filename)) {
+                include($filename);
+                break;
+            }
+        }
+    }
+}