TwigRegistryLoaderTest.php in Zircon Profile 8

Contains \Drupal\system\Tests\Theme\TwigRegistryLoaderTest.

Namespace

Drupal\system\Tests\Theme

File

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

<?php

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

use Drupal\simpletest\WebTestBase;

/**
 * Tests Twig registry loader.
 *
 * @group Theme
 */
class TwigRegistryLoaderTest extends WebTestBase {

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

  /**
   * @var \Drupal\Core\Template\TwigEnvironment
   */
  protected $twig;
  protected function setUp() {
    parent::setUp();
    \Drupal::service('theme_handler')
      ->install(array(
      'test_theme_twig_registry_loader',
      'test_theme_twig_registry_loader_theme',
      'test_theme_twig_registry_loader_subtheme',
    ));
    $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 the Drupal theme registry.
   */
  public function testTemplateDiscovery() {
    $this
      ->assertTwigTemplate($this->twig
      ->resolveTemplate('block.html.twig'), 'Found block.html.twig in block module.');
  }

  /**
   * Tests template extension and includes using the Drupal theme registry.
   */
  public function testTwigNamespaces() {

    // Test the module-provided extend and insert templates.
    $this
      ->drupalGet('twig-theme-test/registry-loader');
    $this
      ->assertText('This line is from twig_theme_test/templates/twig-registry-loader-test-extend.html.twig');
    $this
      ->assertText('This line is from twig_theme_test/templates/twig-registry-loader-test-include.html.twig');

    // Enable a theme that overrides the extend and insert templates to ensure
    // they are picked up by the registry loader.
    $this
      ->config('system.theme')
      ->set('default', 'test_theme_twig_registry_loader')
      ->save();
    $this
      ->drupalGet('twig-theme-test/registry-loader');
    $this
      ->assertText('This line is from test_theme_twig_registry_loader/templates/twig-registry-loader-test-extend.html.twig');
    $this
      ->assertText('This line is from test_theme_twig_registry_loader/templates/twig-registry-loader-test-include.html.twig');

    // Enable overriding theme that overrides the extend and insert templates
    // from the base theme.
    $this
      ->config('system.theme')
      ->set('default', 'test_theme_twig_registry_loader_theme')
      ->save();
    $this
      ->drupalGet('twig-theme-test/registry-loader');
    $this
      ->assertText('This line is from test_theme_twig_registry_loader_theme/templates/twig-registry-loader-test-extend.html.twig');
    $this
      ->assertText('This line is from test_theme_twig_registry_loader_theme/templates/twig-registry-loader-test-include.html.twig');

    // Enable a subtheme for the theme that doesn't have any overrides to make
    // sure that templates are being loaded from the first parent which has the
    // templates.
    $this
      ->config('system.theme')
      ->set('default', 'test_theme_twig_registry_loader_subtheme')
      ->save();
    $this
      ->drupalGet('twig-theme-test/registry-loader');
    $this
      ->assertText('This line is from test_theme_twig_registry_loader_theme/templates/twig-registry-loader-test-extend.html.twig');
    $this
      ->assertText('This line is from test_theme_twig_registry_loader_theme/templates/twig-registry-loader-test-include.html.twig');
  }

}

Classes

Name	Description
TwigRegistryLoaderTest	Tests Twig registry loader.