Hello {{ world'; /** * Twig service. * * @var \Drupal\Core\Template\TwigEnvironment */ protected $twig; /** * {@inheritdoc} */ protected function setUp(): void { parent::setUp(); $this->twig = \Drupal::service('twig'); } /** * {@inheritdoc} */ public function register(ContainerBuilder $container): void { parent::register($container); $definition = new Definition(FilesystemLoader::class, [[sys_get_temp_dir()]]); $definition->setPublic(TRUE); $container->setDefinition('twig_loader__file_system', $definition) ->addTag('twig.loader'); } /** * Creates a new temporary Twig file. * * @param string $content * The contents of the Twig file to save. * * @return string * The absolute path to the temporary file. */ protected function createTwigTemplate(string $content = ''): string { $file = tempnam(sys_get_temp_dir(), 'twig') . ".html.twig"; file_put_contents($file, $content); return $file; } /** * Tests broken front matter. * * @legacy-covers \Drupal\Core\Template\TwigEnvironment::getTemplateMetadata * @legacy-covers \Drupal\Component\FrontMatter\Exception\FrontMatterParseException */ public function testFrontMatterBroken(): void { $source = "---\ncollection:\n- key: foo\n foo: bar\n---\n" . ComponentFrontMatterTest::SOURCE; $file = $this->createTwigTemplate($source); $this->expectException(SyntaxError::class); $this->expectExceptionMessage('An error occurred when attempting to parse front matter data on line 4 in ' . $file); $this->twig->getTemplateMetadata(basename($file)); } /** * Test Twig template front matter. * * @param array|null $yaml * The YAML used for metadata in a Twig template. * @param int $line * The expected line number where the source code starts. * @param string $content * The content to use for testing purposes. * * @legacy-covers \Drupal\Core\Template\TwigEnvironment::compileSource * @legacy-covers \Drupal\Core\Template\TwigEnvironment::getTemplateMetadata */ #[DataProviderExternal(ComponentFrontMatterTest::class, 'providerFrontMatterData')] public function testFrontMatter($yaml, $line, $content = ComponentFrontMatterTest::SOURCE): void { // Create a temporary Twig template. $source = ComponentFrontMatterTest::createFrontMatterSource($yaml, $content); $file = $this->createTwigTemplate($source); $name = basename($file); // Ensure the proper metadata is returned. $metadata = $this->twig->getTemplateMetadata($name); $this->assertEquals($yaml ?? [], $metadata); // Ensure the metadata is never rendered. $output = $this->twig->load($name)->render(); $this->assertEquals($content, $output); // Create a temporary Twig template. $source = ComponentFrontMatterTest::createFrontMatterSource($yaml, static::BROKEN_SOURCE); $file = $this->createTwigTemplate($source); $name = basename($file); try { $this->twig->load($name); } catch (Error $error) { $this->assertEquals($line, $error->getTemplateLine()); } // Ensure string based templates work too. try { $this->twig->createTemplate($source)->render(); } catch (Error $error) { $this->assertEquals($line, $error->getTemplateLine()); } } }