function TwigDebugMarkupTest::testTwigDebugMarkup

Tests debug markup added to Twig template output.

File

drupal/core/modules/system/lib/Drupal/system/Tests/Theme/TwigDebugMarkupTest.php, line 35
Contains \Drupal\system\Tests\Theme\TwigDebugMarkupTest.

Class

TwigDebugMarkupTest
Tests for Twig debug markup.

Namespace

Drupal\system\Tests\Theme

Code

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

  // Enable debug, rebuild the service container, and clear all caches.
  $this
    ->settingsSet('twig_debug', TRUE);
  $this
    ->rebuildContainer();
  $this
    ->resetAll();
  $cache = array();

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

  // Create array of Twig templates.
  $templates = drupal_find_theme_templates($cache, $extension, drupal_get_path('theme', 'test_theme'));
  $templates += drupal_find_theme_templates($cache, $extension, drupal_get_path('module', 'node'));

  // Create a node and test different features of the debug markup.
  $node = $this
    ->drupalCreateNode();
  $output = theme('node', node_view($node));
  $this
    ->assertTrue(strpos($output, '<!-- THEME DEBUG -->') !== FALSE, 'Twig debug markup found in theme output when debug is enabled.');
  $this
    ->assertTrue(strpos($output, "CALL: theme('node')") !== FALSE, 'Theme call information found.');
  $this
    ->assertTrue(strpos($output, 'x node--1' . $extension) !== FALSE, 'Node ID specific template shown as current template.');
  $this
    ->assertTrue(strpos($output, '* node' . $extension) !== FALSE, 'Base template file found.');
  $template_filename = $templates['node__1']['path'] . '/' . $templates['node__1']['template'] . $extension;
  $this
    ->assertTrue(strpos($output, "BEGIN OUTPUT from '{$template_filename}'") !== FALSE, 'Full path to current template file found.');

  // Create another node and make sure the template suggestions shown in the
  // debug markup are correct.
  $node2 = $this
    ->drupalCreateNode();
  $output = theme('node', node_view($node2));
  $this
    ->assertTrue(strpos($output, '* node--2' . $extension) !== FALSE, 'Node ID specific template suggestion found.');
  $this
    ->assertTrue(strpos($output, 'x node' . $extension) !== FALSE, 'Base template file shown as current template.');

  // Disable debug, rebuild the service container, and clear all caches.
  $this
    ->settingsSet('twig_debug', FALSE);
  $this
    ->rebuildContainer();
  $this
    ->resetAll();
  $output = theme('node', node_view($node));
  $this
    ->assertFalse(strpos($output, '<!-- THEME DEBUG -->') !== FALSE, 'Twig debug markup not found in theme output when debug is disabled.');
}