Do not register Composer-generated autoloader when running PHPUnit's own test suite using a PHAR

Author: sebastianbergmann

tests/bootstrap.php

@@ -7,10 +7,29 @@
  * For the full copyright and license information, please view the LICENSE
  * file that was distributed with this source code.
  */
+const TEST_FILES_PATH = __DIR__ . DIRECTORY_SEPARATOR . '_files' . DIRECTORY_SEPARATOR;
+
+if (defined('__PHPUNIT_PHAR__')) {
+    if (!file_exists(__DIR__ . '/autoload.php')) {
+        print __DIR__ . '/autoload.php does not exist' . PHP_EOL;
+
+        exit(1);
+    }
+
+    require_once __DIR__ . '/autoload.php';
+
+    $jsonFile = realpath(__DIR__ . '/../composer.json');
+    $base     = dirname($jsonFile);
+
+    foreach (json_decode(file_get_contents($jsonFile), true)['autoload-dev']['files'] as $file) {
+        require_once $base . DIRECTORY_SEPARATOR . $file;
+    }
+
+    return;
+}
+
 if (!defined('PHPUNIT_COMPOSER_INSTALL')) {
     define('PHPUNIT_COMPOSER_INSTALL', dirname(__DIR__) . '/vendor/autoload.php');
 }
 
-const TEST_FILES_PATH = __DIR__ . DIRECTORY_SEPARATOR . '_files' . DIRECTORY_SEPARATOR;
-
 require_once PHPUNIT_COMPOSER_INSTALL;