Chris@0: <?php
Chris@0: 
Chris@0: namespace Drupal\system\Tests\Theme;
Chris@0: 
Chris@0: use Drupal\simpletest\WebTestBase;
Chris@0: 
Chris@0: /**
Chris@0:  * Tests Twig namespaces.
Chris@0:  *
Chris@0:  * @group Theme
Chris@0:  */
Chris@0: class TwigNamespaceTest extends WebTestBase {
Chris@0: 
Chris@0:   /**
Chris@0:    * Modules to enable.
Chris@0:    *
Chris@0:    * @var array
Chris@0:    */
Chris@0:   public static $modules = ['twig_theme_test', 'twig_namespace_a', 'twig_namespace_b', 'node'];
Chris@0: 
Chris@0:   /**
Chris@0:    * @var \Drupal\Core\Template\TwigEnvironment
Chris@0:    */
Chris@0:   protected $twig;
Chris@0: 
Chris@0:   protected function setUp() {
Chris@0:     parent::setUp();
Chris@0:     \Drupal::service('theme_handler')->install(['test_theme', 'bartik']);
Chris@0:     $this->twig = \Drupal::service('twig');
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * Checks to see if a value is a twig template.
Chris@0:    */
Chris@0:   public function assertTwigTemplate($value, $message = '', $group = 'Other') {
Chris@0:     $this->assertTrue($value instanceof \Twig_Template, $message, $group);
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * Tests template discovery using namespaces.
Chris@0:    */
Chris@0:   public function testTemplateDiscovery() {
Chris@0:     // Tests resolving namespaced templates in modules.
Chris@0:     $this->assertTwigTemplate($this->twig->resolveTemplate('@node/node.html.twig'), 'Found node.html.twig in node module.');
Chris@0: 
Chris@0:     // Tests resolving namespaced templates in themes.
Chris@0:     $this->assertTwigTemplate($this->twig->resolveTemplate('@bartik/page.html.twig'), 'Found page.html.twig in Bartik theme.');
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * Tests template extension and includes using namespaces.
Chris@0:    */
Chris@0:   public function testTwigNamespaces() {
Chris@0:     // Test twig @extends and @include in template files.
Chris@0:     $test = ['#theme' => 'twig_namespace_test'];
Chris@0:     $this->setRawContent(\Drupal::service('renderer')->renderRoot($test));
Chris@0: 
Chris@0:     $this->assertText('This line is from twig_namespace_a/templates/test.html.twig');
Chris@0:     $this->assertText('This line is from twig_namespace_b/templates/test.html.twig');
Chris@0:   }
Chris@0: 
Chris@0: }