aleph1.co.uk Git - yaffs-website/blob - web/core/modules/system/tests/src/Functional/Theme/TwigRegistryLoaderTest.php

   1 <?php
   2
   3 namespace Drupal\Tests\system\Functional\Theme;
   4
   5 use Drupal\Tests\BrowserTestBase;
   6
   7 /**
   8  * Tests Twig registry loader.
   9  *
  10  * @group Theme
  11  */
  12 class TwigRegistryLoaderTest extends BrowserTestBase {
  13
  14   /**
  15    * Modules to enable.
  16    *
  17    * @var array
  18    */
  19   public static $modules = ['twig_theme_test', 'block'];
  20
  21   /**
  22    * @var \Drupal\Core\Template\TwigEnvironment
  23    */
  24   protected $twig;
  25
  26   protected function setUp() {
  27     parent::setUp();
  28     \Drupal::service('theme_handler')->install(['test_theme_twig_registry_loader', 'test_theme_twig_registry_loader_theme', 'test_theme_twig_registry_loader_subtheme']);
  29     $this->twig = \Drupal::service('twig');
  30   }
  31
  32   /**
  33    * Checks to see if a value is a Twig template.
  34    */
  35   public function assertTwigTemplate($value, $message = '', $group = 'Other') {
  36     $this->assertTrue($value instanceof \Twig_Template, $message, $group);
  37   }
  38
  39   /**
  40    * Tests template discovery using the Drupal theme registry.
  41    */
  42   public function testTemplateDiscovery() {
  43     $this->assertTwigTemplate($this->twig->resolveTemplate('block.html.twig'), 'Found block.html.twig in block module.');
  44   }
  45
  46   /**
  47    * Tests template extension and includes using the Drupal theme registry.
  48    */
  49   public function testTwigNamespaces() {
  50     // Test the module-provided extend and insert templates.
  51     $this->drupalGet('twig-theme-test/registry-loader');
  52     $this->assertText('This line is from twig_theme_test/templates/twig-registry-loader-test-extend.html.twig');
  53     $this->assertText('This line is from twig_theme_test/templates/twig-registry-loader-test-include.html.twig');
  54
  55     // Enable a theme that overrides the extend and insert templates to ensure
  56     // they are picked up by the registry loader.
  57     $this->config('system.theme')
  58       ->set('default', 'test_theme_twig_registry_loader')
  59       ->save();
  60     $this->drupalGet('twig-theme-test/registry-loader');
  61     $this->assertText('This line is from test_theme_twig_registry_loader/templates/twig-registry-loader-test-extend.html.twig');
  62     $this->assertText('This line is from test_theme_twig_registry_loader/templates/twig-registry-loader-test-include.html.twig');
  63
  64     // Enable overriding theme that overrides the extend and insert templates
  65     // from the base theme.
  66     $this->config('system.theme')
  67       ->set('default', 'test_theme_twig_registry_loader_theme')
  68       ->save();
  69     $this->drupalGet('twig-theme-test/registry-loader');
  70     $this->assertText('This line is from test_theme_twig_registry_loader_theme/templates/twig-registry-loader-test-extend.html.twig');
  71     $this->assertText('This line is from test_theme_twig_registry_loader_theme/templates/twig-registry-loader-test-include.html.twig');
  72
  73     // Enable a subtheme for the theme that doesn't have any overrides to make
  74     // sure that templates are being loaded from the first parent which has the
  75     // templates.
  76     $this->config('system.theme')
  77       ->set('default', 'test_theme_twig_registry_loader_subtheme')
  78       ->save();
  79     $this->drupalGet('twig-theme-test/registry-loader');
  80     $this->assertText('This line is from test_theme_twig_registry_loader_theme/templates/twig-registry-loader-test-extend.html.twig');
  81     $this->assertText('This line is from test_theme_twig_registry_loader_theme/templates/twig-registry-loader-test-include.html.twig');
  82   }
  83
  84 }