function KernelTestBase::bootKernel

Bootstraps a kernel for a test.

File

core/tests/Drupal/KernelTests/KernelTestBase.php, line 356

Class

KernelTestBase

Base class for functional integration tests.

Namespace

Code

protected function bootKernel() {
    $this->setSetting('container_yamls', []);
    // Allow for test-specific overrides.
    $settings_services_file = $this->root . '/sites/default/testing.services.yml';
    if (file_exists($settings_services_file)) {
        // Copy the testing-specific service overrides in place.
        $testing_services_file = $this->siteDirectory . '/services.yml';
        copy($settings_services_file, $testing_services_file);
        $this->setSetting('container_yamls', [
            $testing_services_file,
        ]);
    }
    // Allow for global test environment overrides.
    if (file_exists($test_env = $this->root . '/sites/default/testing.services.yml')) {
        $GLOBALS['conf']['container_yamls']['testing'] = $test_env;
    }
    // Add this test class as a service provider.
    $GLOBALS['conf']['container_service_providers']['test'] = $this;
    $modules = self::getModulesToEnable(static::class);
    // When a module is providing the database driver, then enable that module.
    $connection_info = Database::getConnectionInfo();
    $driver = $connection_info['default']['driver'];
    $namespace = $connection_info['default']['namespace'] ?? '';
    $autoload = $connection_info['default']['autoload'] ?? '';
    if (str_contains($autoload, 'src/Driver/Database/')) {
        [
            $first,
            $second,
        ] = explode('\\', $namespace, 3);
        if ($first === 'Drupal' && strtolower($second) === $second) {
            // Add the module that provides the database driver to the list of
            // modules as the first to be enabled.
            array_unshift($modules, $second);
        }
    }
    // Bootstrap the kernel. Do not use createFromRequest() to retain Settings.
    $kernel = new DrupalKernel('testing', $this->classLoader, FALSE);
    $kernel->setSitePath($this->siteDirectory);
    // Boot a new one-time container from scratch. Set the module list upfront
    // to avoid a subsequent rebuild or setting the kernel into the
    // pre-installer mode.
    $extensions = $modules ? $this->getExtensionsForModules($modules) : [];
    $kernel->updateModules($extensions, $extensions);
    // DrupalKernel::boot() is not sufficient as it does not invoke preHandle(),
    // which is required to initialize legacy global variables.
    $request = Request::create('/');
    $kernel->boot();
    $request->attributes
        ->set(RouteObjectInterface::ROUTE_OBJECT, new Route('<none>'));
    $request->attributes
        ->set(RouteObjectInterface::ROUTE_NAME, '<none>');
    $kernel->preHandle($request);
    $this->container = $kernel->getContainer();
    // Run database tasks and check for errors.
    $installer_class = $namespace . "\\Install\\Tasks";
    $errors = (new $installer_class())->runTasks();
    if (!empty($errors)) {
        $this->fail('Failed to run installer database tasks: ' . implode(', ', $errors));
    }
    if ($modules) {
        $this->container
            ->get('module_handler')
            ->loadAll();
    }
    // Setup the destination to the be frontpage by default.
    \Drupal::destination()->set('/');
    // Write the core.extension configuration.
    // Required for ConfigInstaller::installDefaultConfig() to work.
    $this->container
        ->get('config.storage')
        ->write('core.extension', [
        'module' => array_fill_keys($modules, 0),
        'theme' => [],
    ]);
    $settings = Settings::getAll();
    $settings['php_storage']['default'] = [
        'class' => '\\Drupal\\Component\\PhpStorage\\FileStorage',
    ];
    new Settings($settings);
    // Manually configure the test mail collector implementation to prevent
    // tests from sending out emails and collect them in state instead.
    // While this should be enforced via settings.php prior to installation,
    // some tests expect to be able to test mail system implementations.
    $GLOBALS['config']['system.mail']['interface']['default'] = 'test_mail_collector';
    $GLOBALS['config']['system.mail']['mailer_dsn'] = [
        'scheme' => 'null',
        'host' => 'null',
        'user' => NULL,
        'password' => NULL,
        'port' => NULL,
        'options' => [],
    ];
    // Manually configure the default file scheme so that modules that use file
    // functions don't have to install system and its configuration.
    // @see file_default_scheme()
    $GLOBALS['config']['system.file']['default_scheme'] = 'public';
}