public function ComponentsTest::testLoadTemplate in Components! 3.x

Same name and namespace in other branches

1. 8.2 tests/src/Functional/ComponentsTest.php \Drupal\Tests\components\Functional\ComponentsTest::testLoadTemplate()

Ensures component templates can be loaded inside a Drupal instance.

File

tests/src/Functional/ComponentsTest.php, line 48

Class

ComponentsTest

Tests the components module in a fully loaded Drupal instance.

Namespace

Drupal\Tests\components\Functional

Code

public function testLoadTemplate() {
  try {
    $element = [
      // The templates/components-test.html.twig file determines which
      // templates are loaded.
      '#theme' => 'components_test',
    ];
    $result = $this
      ->render($element);
  } catch (\Exception $e) {
    $this
      ->fail('No Exception expected; "' . $e
      ->getMessage() . '" thrown during: ' . $this
      ->getName());
  }

  // The following templates are in paths defined in .info namespace
  // definitions.
  foreach ([
    'This is the "@components_test/components-test.twig" template from the components_test module.',
    'This is the "@components/components-test-active-theme.twig" template from the components_test_theme theme.',
    'This is the "@components/components-test-base-theme.twig" template from the components_test_base_theme theme.',
    'This is the "@components/components-test-module.twig" template from the components_test module.',
    'This is the "@components/nested/components-test-nested.twig" template from the components_test_theme theme.',
    'This is the "@components/nested1/components-test-conflicting-file-name.twig" template from the components_test_theme theme.',
    'This is the "@components/nested2/components-test-conflicting-file-name.twig" template from the components_test_theme theme.',
  ] as $foundString) {
    $this
      ->assertStringContainsString($foundString, $result);
  }

  // The following templates are in paths defined in .info namespace
  // definitions, but are overridden by the templates above.
  foreach ([
    'This is the "@components/components-test-active-theme.twig" template from the components_test_base_theme theme.',
    'This is the "@components/components-test-active-theme.twig" template from the components_test module.',
    'This is the "@components/components-test-base-theme.twig" template from the components_test module.',
    'This is the "@components/nested3/components-test-conflicting-file-name.twig" template from the components_test_theme theme.',
  ] as $notFoundString) {
    $this
      ->assertStringNotContainsString($notFoundString, $result);
  }

  // This template is found using hook_components_namespaces_alter().
  $this
    ->assertStringContainsString('This is the "@components/components-test-namespaces-alter.twig" template from the components_test module.', $result);

  // This template is found using hook_protected_twig_namespaces_alter().
  $this
    ->assertStringContainsString('This is the "@system/components-test-protected-twig-namespaces-alter.twig" template from the components_test module.', $result);
}