function EngineTwigTest::testTwigLinkGenerator
Tests the link_generator Twig functions.
File
- 
              core/
modules/ system/ tests/ src/ Functional/ Theme/ EngineTwigTest.php, line 84  
Class
- EngineTwigTest
 - Tests Twig-specific theme functionality.
 
Namespace
Drupal\Tests\system\Functional\ThemeCode
public function testTwigLinkGenerator() : void {
  $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();
  $this->assertNotEmpty($content, 'Page content is not empty');
  foreach ($expected as $string) {
    $this->assertSession()
      ->responseContains('<div>' . $string . '</div>');
  }
}
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