--- /dev/null
+<?php
+
+namespace Drupal\Tests\system\Functional\Theme;
+
+use Drupal\Core\Render\Markup;
+use Drupal\Core\Url;
+use Drupal\Tests\BrowserTestBase;
+use Drupal\Tests\system\Functional\Cache\AssertPageCacheContextsAndTagsTrait;
+
+/**
+ * Tests Twig-specific theme functionality.
+ *
+ * @group Theme
+ */
+class EngineTwigTest extends BrowserTestBase {
+
+ use AssertPageCacheContextsAndTagsTrait;
+
+ /**
+ * Modules to enable.
+ *
+ * @var array
+ */
+ public static $modules = ['theme_test', 'twig_theme_test'];
+
+ protected function setUp() {
+ parent::setUp();
+ \Drupal::service('theme_handler')->install(['test_theme']);
+ }
+
+ /**
+ * Tests that the Twig engine handles PHP data correctly.
+ */
+ public function testTwigVariableDataTypes() {
+ $this->config('system.theme')
+ ->set('default', 'test_theme')
+ ->save();
+ $this->drupalGet('twig-theme-test/php-variables');
+ foreach (_test_theme_twig_php_values() as $type => $value) {
+ $this->assertRaw('<li>' . $type . ': ' . $value['expected'] . '</li>');
+ }
+ }
+
+ /**
+ * Tests the url and url_generate Twig functions.
+ */
+ public function testTwigUrlGenerator() {
+ $this->drupalGet('twig-theme-test/url-generator');
+ // Find the absolute URL of the current site.
+ $url_generator = $this->container->get('url_generator');
+ $expected = [
+ 'path (as route) not absolute: ' . $url_generator->generateFromRoute('user.register'),
+ 'url (as route) absolute: ' . $url_generator->generateFromRoute('user.register', [], ['absolute' => TRUE]),
+ 'path (as route) not absolute with fragment: ' . $url_generator->generateFromRoute('user.register', [], ['fragment' => 'bottom']),
+ 'url (as route) absolute despite option: ' . $url_generator->generateFromRoute('user.register', [], ['absolute' => TRUE]),
+ 'url (as route) absolute with fragment: ' . $url_generator->generateFromRoute('user.register', [], ['absolute' => TRUE, 'fragment' => 'bottom']),
+ ];
+
+ // Verify that url() has the ability to bubble cacheability metadata:
+ // absolute URLs should bubble the 'url.site' cache context. (This only
+ // needs to test that cacheability metadata is bubbled *at all*; detailed
+ // tests for *which* cacheability metadata is bubbled live elsewhere.)
+ $this->assertCacheContext('url.site');
+
+ // Make sure we got something.
+ $content = $this->getSession()->getPage()->getContent();
+ $this->assertFalse(empty($content), 'Page content is not empty');
+ foreach ($expected as $string) {
+ $this->assertRaw('<div>' . $string . '</div>');
+ }
+ }
+
+ /**
+ * Tests the link_generator Twig functions.
+ */
+ public function testTwigLinkGenerator() {
+ $this->drupalGet('twig-theme-test/link-generator');
+
+ /** @var \Drupal\Core\Utility\LinkGenerator $link_generator */
+ $link_generator = $this->container->get('link_generator');
+
+ $generated_url = Url::fromRoute('user.register', [], ['absolute' => TRUE])->toString(TRUE)->getGeneratedUrl();
+ $expected = [
+ 'link via the linkgenerator: ' . $link_generator->generate('register', new Url('user.register', [], ['absolute' => TRUE])),
+ 'link via the linkgenerator: ' . $link_generator->generate('register', new Url('user.register', [], ['absolute' => TRUE, 'attributes' => ['foo' => 'bar']])),
+ 'link via the linkgenerator: ' . $link_generator->generate('register', new Url('user.register', [], ['attributes' => ['foo' => 'bar', 'id' => 'kitten']])),
+ 'link via the linkgenerator: ' . $link_generator->generate('register', new Url('user.register', [], ['attributes' => ['id' => 'kitten']])),
+ 'link via the linkgenerator: ' . $link_generator->generate('register', new Url('user.register', [], ['attributes' => ['class' => ['llama', 'kitten', 'panda']]])),
+ 'link via the linkgenerator: ' . $link_generator->generate(Markup::create('<span>register</span>'), new Url('user.register', [], ['absolute' => TRUE])),
+ 'link via the linkgenerator: <a href="' . $generated_url . '"><span>register</span><svg></svg></a>',
+ 'link via the linkgenerator: ' . $link_generator->generate('register', new Url('user.register', [], ['attributes' => ['foo' => 'bar']])) . ' ' . $link_generator->generate('register', new Url('user.register', [], ['attributes' => ['foo' => 'bar']])),
+ ];
+
+ // Verify that link() has the ability to bubble cacheability metadata:
+ // absolute URLs should bubble the 'url.site' cache context. (This only
+ // needs to test that cacheability metadata is bubbled *at all*; detailed
+ // tests for *which* cacheability metadata is bubbled live elsewhere.)
+ $this->assertCacheContext('url.site');
+
+ $content = $this->getSession()->getPage()->getContent();
+ $this->assertFalse(empty($content), 'Page content is not empty');
+ foreach ($expected as $string) {
+ $this->assertRaw('<div>' . $string . '</div>');
+ }
+ }
+
+ /**
+ * Tests the magic url to string Twig functions.
+ *
+ * @see \Drupal\Core\Url
+ */
+ public function testTwigUrlToString() {
+ $this->drupalGet('twig-theme-test/url-to-string');
+
+ $expected = [
+ 'rendered url: ' . Url::fromRoute('user.register')->toString(),
+ ];
+
+ $content = $this->getSession()->getPage()->getContent();
+ $this->assertFalse(empty($content), 'Page content is not empty');
+ foreach ($expected as $string) {
+ $this->assertRaw('<div>' . $string . '</div>');
+ }
+ }
+
+ /**
+ * Tests the automatic/magic calling of toString() on objects, if exists.
+ */
+ public function testTwigFileUrls() {
+ $this->drupalGet('/twig-theme-test/file-url');
+ $filepath = file_url_transform_relative(file_create_url('core/modules/system/tests/modules/twig_theme_test/twig_theme_test.js'));
+ $this->assertRaw('<div>file_url: ' . $filepath . '</div>');
+ }
+
+ /**
+ * Tests the attach of asset libraries.
+ */
+ public function testTwigAttachLibrary() {
+ $this->drupalGet('/twig-theme-test/attach-library');
+ $this->assertRaw('ckeditor.js');
+ }
+
+ /**
+ * Tests the rendering of renderables.
+ */
+ public function testRenderable() {
+ $this->drupalGet('/twig-theme-test/renderable');
+ $this->assertRaw('<div>Example markup</div>');
+ }
+
+}