function TwigSettingsTest::testTwigCacheOverride

Ensures Twig template cache setting can be overridden.

File

drupal/core/modules/system/lib/Drupal/system/Tests/Theme/TwigSettingsTest.php, line 78
Contains \Drupal\system\Tests\Theme\TwigSettingsTest.

Class

TwigSettingsTest
Tests Twig engine configuration via settings.php.

Namespace

Drupal\system\Tests\Theme

Code

function testTwigCacheOverride() {
  $extension = twig_extension();
  theme_enable(array(
    'test_theme',
  ));
  config('system.theme')
    ->set('default', 'test_theme')
    ->save();
  $cache = array();

  // Prime the theme cache.
  foreach (module_implements('theme') as $module) {
    _theme_process_registry($cache, $module, 'module', $module, drupal_get_path('module', $module));
  }

  // Load array of Twig templates.
  $templates = drupal_find_theme_templates($cache, $extension, drupal_get_path('theme', 'test_theme'));

  // Get the template filename and the cache filename for
  // theme_test.template_test.html.twig.
  $template_filename = $templates['theme_test_template_test']['path'] . '/' . $templates['theme_test_template_test']['template'] . $extension;
  $cache_filename = drupal_container()
    ->get('twig')
    ->getCacheFilename($template_filename);

  // Navigate to the page and make sure the template gets cached.
  $this
    ->drupalGet('theme-test/template-test');
  $this
    ->assertTrue(PhpStorageFactory::get('twig')
    ->exists($cache_filename), 'Cached Twig template found.');

  // Disable the Twig cache and rebuild the service container.
  $this
    ->settingsSet('twig_cache', FALSE);
  $this
    ->rebuildContainer();

  // This should return false after rebuilding the service container.
  $new_cache_filename = drupal_container()
    ->get('twig')
    ->getCacheFilename($template_filename);
  $this
    ->assertFalse($new_cache_filename, 'Twig environment does not return cache filename after caching is disabled.');
}