Drupal 8.0.0 beta 12. More info: https://www.drupal.org/node/2514176

core/lib/Drupal/Core/Test/EventSubscriber/HttpRequestSubscriber.php

@@ -0,0 +1,42 @@
+<?php
+
+/**
+ * @file
+ * Contains \Drupal\Core\Test\EventSubscriber\HttpRequestSubscriber.
+ */
+
+namespace Drupal\Core\Test\EventSubscriber;
+
+use GuzzleHttp\Event\BeforeEvent;
+use GuzzleHttp\Event\SubscriberInterface;
+
+/**
+ * Overrides the User-Agent HTTP header for outbound HTTP requests.
+ */
+class HttpRequestSubscriber implements SubscriberInterface {
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getEvents() {
+    return array(
+      'before' => array('onBeforeSendRequest'),
+    );
+  }
+
+  /**
+   * Event callback for the 'before' event
+   */
+  public function onBeforeSendRequest(BeforeEvent $event) {
+    // If the database prefix is being used by SimpleTest to run the tests in a copied
+    // database then set the user-agent header to the database prefix so that any
+    // calls to other Drupal pages will run the SimpleTest prefixed database. The
+    // user-agent is used to ensure that multiple testing sessions running at the
+    // same time won't interfere with each other as they would if the database
+    // prefix were stored statically in a file or database variable.
+    if ($test_prefix = drupal_valid_test_ua()) {
+      $event->getRequest()->setHeader('User-Agent', drupal_generate_test_ua($test_prefix));
+    }
+  }
+
+}

core/lib/Drupal/Core/Test/TestKernel.php

@@ -0,0 +1,33 @@
+<?php
+
+/**
+ * @file
+ * Contains \Drupal\Core\Test\TestKernel.
+ */
+
+namespace Drupal\Core\Test;
+
+use Drupal\Core\DrupalKernel;
+
+/**
+ * Kernel to mock requests to test simpletest.
+ */
+class TestKernel extends DrupalKernel {
+
+  /**
+   * {@inheritdoc}
+   */
+  public function __construct($environment, $class_loader, $allow_dumping = TRUE) {
+    // Include our bootstrap file.
+    require_once __DIR__ . '/../../../../includes/bootstrap.inc';
+
+    // Exit if we should be in a test environment but aren't.
+    if (!drupal_valid_test_ua()) {
+      header($_SERVER['SERVER_PROTOCOL'] . ' 403 Forbidden');
+      exit;
+    }
+
+    parent::__construct($environment, $class_loader, $allow_dumping);
+  }
+
+}

core/lib/Drupal/Core/Test/TestRunnerKernel.php

@@ -0,0 +1,99 @@
+<?php
+
+/**
+ * @file
+ * Contains \Drupal\Core\Test\TestRunnerKernel.
+ */
+
+namespace Drupal\Core\Test;
+
+use Drupal\Core\DrupalKernel;
+use Drupal\Core\Extension\Extension;
+use Drupal\Core\Installer\InstallerServiceProvider;
+use Composer\Autoload\ClassLoader;
+use Drupal\Core\Site\Settings;
+use Symfony\Component\HttpFoundation\Request;
+
+/**
+ * Kernel for run-tests.sh.
+ */
+class TestRunnerKernel extends DrupalKernel {
+
+  /**
+   * {@inheritdoc}
+   */
+  public static function createFromRequest(Request $request, $class_loader, $environment = 'test_runner', $allow_dumping = TRUE) {
+    return parent::createFromRequest($request, $class_loader, $environment);
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function __construct($environment, $class_loader) {
+    parent::__construct($environment, $class_loader, FALSE);
+
+    // Prime the module list and corresponding Extension objects.
+    // @todo Remove System module. Needed because
+    //   \Drupal\Core\Datetime\DateFormatter has a (needless) dependency on the
+    //   'date_format' entity, so calls to format_date()/format_interval() cause
+    //   a plugin not found exception.
+    $this->moduleList = array(
+      'system' => 0,
+      'simpletest' => 0,
+    );
+    $this->moduleData = array(
+      'system' => new Extension($this->root, 'module', 'core/modules/system/system.info.yml', 'system.module'),
+      'simpletest' => new Extension($this->root, 'module', 'core/modules/simpletest/simpletest.info.yml', 'simpletest.module'),
+    );
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function boot() {
+    // Ensure that required Settings exist.
+    if (!Settings::getAll()) {
+      new Settings(array(
+        'hash_salt' => 'run-tests',
+        'container_yamls' => [],
+        // If there is no settings.php, then there is no parent site. In turn,
+        // there is no public files directory; use a custom public files path.
+        'file_public_path' => 'sites/default/files',
+      ));
+    }
+
+    // Remove Drupal's error/exception handlers; they are designed for HTML
+    // and there is no storage nor a (watchdog) logger here.
+    restore_error_handler();
+    restore_exception_handler();
+
+    // In addition, ensure that PHP errors are not hidden away in logs.
+    ini_set('display_errors', TRUE);
+
+    parent::boot();
+
+    $this->getContainer()->get('module_handler')->loadAll();
+
+    simpletest_classloader_register();
+
+    // Register stream wrappers.
+    $this->getContainer()->get('stream_wrapper_manager')->register();
+
+    // Create the build/artifacts directory if necessary.
+    include_once DRUPAL_ROOT . '/core/includes/file.inc';
+    if (!is_dir('public://simpletest')) {
+      mkdir('public://simpletest', 0777, TRUE);
+    }
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function discoverServiceProviders() {
+    parent::discoverServiceProviders();
+    // The test runner does not require an installed Drupal site to exist.
+    // Therefore, its environment is identical to that of the early installer.
+    $this->serviceProviderClasses['app']['Test'] = 'Drupal\Core\Installer\InstallerServiceProvider';
+  }
+
+}