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function GetNamespacesTest::testGetRdfNamespaces in Zircon Profile 8.0

Same name and namespace in other branches
  1. 8 core/modules/rdf/src/Tests/GetNamespacesTest.php \Drupal\rdf\Tests\GetNamespacesTest::testGetRdfNamespaces()

Tests RDF namespaces.

File

core/modules/rdf/src/Tests/GetNamespacesTest.php, line 30
Contains \Drupal\rdf\Tests\GetNamespacesTest.

Class

GetNamespacesTest
Confirm that the serialization of RDF namespaces in present in the HTML markup.

Namespace

Drupal\rdf\Tests

Code

function testGetRdfNamespaces() {

  // Fetches the front page and extracts RDFa 1.1 prefixes.
  $this
    ->drupalGet('');
  $element = $this
    ->xpath('//html[contains(@prefix, :prefix_binding)]', array(
    ':prefix_binding' => 'rdfs: http://www.w3.org/2000/01/rdf-schema#',
  ));
  $this
    ->assertTrue(!empty($element), 'A prefix declared once is displayed.');
  $element = $this
    ->xpath('//html[contains(@prefix, :prefix_binding)]', array(
    ':prefix_binding' => 'foaf: http://xmlns.com/foaf/0.1/',
  ));
  $this
    ->assertTrue(!empty($element), 'The same prefix declared in several implementations of hook_rdf_namespaces() is valid as long as all the namespaces are the same.');
  $element = $this
    ->xpath('//html[contains(@prefix, :prefix_binding)]', array(
    ':prefix_binding' => 'foaf1: http://xmlns.com/foaf/0.1/',
  ));
  $this
    ->assertTrue(!empty($element), 'Two prefixes can be assigned the same namespace.');
  $element = $this
    ->xpath('//html[contains(@prefix, :prefix_binding)]', array(
    ':prefix_binding' => 'dc: http://purl.org/dc/terms/',
  ));
  $this
    ->assertTrue(!empty($element), 'When a prefix has conflicting namespaces, the first declared one is used.');
}