TwigNamespaceTest.php in Zircon Profile 8.0

Contains \Drupal\system\Tests\Theme\TwigNamespaceTest.

Namespace

Drupal\system\Tests\Theme

File

core/modules/system/src/Tests/Theme/TwigNamespaceTest.php

<?php

/**
 * @file
 * Contains \Drupal\system\Tests\Theme\TwigNamespaceTest.
 */
namespace Drupal\system\Tests\Theme;

use Drupal\simpletest\WebTestBase;

/**
 * Tests Twig namespaces.
 *
 * @group Theme
 */
class TwigNamespaceTest extends WebTestBase {

  /**
   * Modules to enable.
   *
   * @var array
   */
  public static $modules = array(
    'twig_theme_test',
    'twig_namespace_a',
    'twig_namespace_b',
    'node',
  );

  /**
   * @var \Drupal\Core\Template\TwigEnvironment
   */
  protected $twig;
  protected function setUp() {
    parent::setUp();
    \Drupal::service('theme_handler')
      ->install(array(
      'test_theme',
      'bartik',
    ));
    $this->twig = \Drupal::service('twig');
  }

  /**
   * Checks to see if a value is a twig template.
   */
  public function assertTwigTemplate($value, $message = '', $group = 'Other') {
    $this
      ->assertTrue($value instanceof \Twig_Template, $message, $group);
  }

  /**
   * Tests template discovery using namespaces.
   */
  public function testTemplateDiscovery() {

    // Tests resolving namespaced templates in modules.
    $this
      ->assertTwigTemplate($this->twig
      ->resolveTemplate('@node/node.html.twig'), 'Found node.html.twig in node module.');

    // Tests resolving namespaced templates in themes.
    $this
      ->assertTwigTemplate($this->twig
      ->resolveTemplate('@bartik/page.html.twig'), 'Found page.html.twig in Bartik theme.');
  }

  /**
   * Tests template extension and includes using namespaces.
   */
  public function testTwigNamespaces() {

    // Test twig @extends and @include in template files.
    $test = array(
      '#theme' => 'twig_namespace_test',
    );
    $this
      ->setRawContent(\Drupal::service('renderer')
      ->renderRoot($test));
    $this
      ->assertText('This line is from twig_namespace_a/templates/test.html.twig');
    $this
      ->assertText('This line is from twig_namespace_b/templates/test.html.twig');
  }

}

Classes

Name	Description
TwigNamespaceTest	Tests Twig namespaces.