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2018-04-23 21:08:22 +02:00
commit c68c1dd9b0
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<?php
namespace Drupal\rdf;
/**
* Contains methods for common data conversions.
*/
class CommonDataConverter {
/**
* Provides a passthrough to place unformatted values in content attributes.
*
* @param mixed $data
* The data to be placed in the content attribute.
*
* @return mixed
* Returns the data.
*/
public static function rawValue($data) {
return $data;
}
/**
* Converts a date entity field array into an ISO 8601 timestamp string.
*
* @param array $data
* The array containing the 'value' element.
*
* @return string
* Returns the ISO 8601 timestamp.
*/
public static function dateIso8601Value($data) {
return \Drupal::service('date.formatter')->format($data['value'], 'custom', 'c', 'UTC');
}
}
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<?php
namespace Drupal\rdf\Entity;
use Drupal\Core\Config\Entity\ConfigEntityBase;
use Drupal\Core\Entity\EntityStorageInterface;
use Drupal\rdf\RdfMappingInterface;
/**
* Config entity for working with RDF mappings.
*
* @ConfigEntityType(
* id = "rdf_mapping",
* label = @Translation("RDF mapping"),
* label_singular = @Translation("RDF mapping item"),
* label_plural = @Translation("RDF mappings items"),
* label_count = @PluralTranslation(
* singular = "@count RDF mapping item",
* plural = "@count RDF mapping items",
* ),
* config_prefix = "mapping",
* entity_keys = {
* "id" = "id"
* },
* config_export = {
* "id",
* "targetEntityType",
* "bundle",
* "types",
* "fieldMappings",
* }
* )
*/
class RdfMapping extends ConfigEntityBase implements RdfMappingInterface {
/**
* Unique ID for the config entity.
*
* @var string
*/
protected $id;
/**
* Entity type to be mapped.
*
* @var string
*/
protected $targetEntityType;
/**
* Bundle to be mapped.
*
* @var string
*/
protected $bundle;
/**
* The RDF type mapping for this bundle.
*
* @var array
*/
protected $types = [];
/**
* The mappings for fields on this bundle.
*
* @var array
*/
protected $fieldMappings = [];
/**
* {@inheritdoc}
*/
public function getPreparedBundleMapping() {
return ['types' => $this->types];
}
/**
* {@inheritdoc}
*/
public function getBundleMapping() {
if (!empty($this->types)) {
return ['types' => $this->types];
}
return [];
}
/**
* {@inheritdoc}
*/
public function setBundleMapping(array $mapping) {
if (isset($mapping['types'])) {
$this->types = $mapping['types'];
}
return $this;
}
/**
* {@inheritdoc}
*/
public function getPreparedFieldMapping($field_name) {
$field_mapping = [
'properties' => NULL,
'datatype' => NULL,
'datatype_callback' => NULL,
'mapping_type' => NULL,
];
if (isset($this->fieldMappings[$field_name])) {
$field_mapping = array_merge($field_mapping, $this->fieldMappings[$field_name]);
}
return empty($field_mapping['properties']) ? [] : $field_mapping;
}
/**
* {@inheritdoc}
*/
public function getFieldMapping($field_name) {
if (isset($this->fieldMappings[$field_name])) {
return $this->fieldMappings[$field_name];
}
return [];
}
/**
* {@inheritdoc}
*/
public function setFieldMapping($field_name, array $mapping = []) {
$this->fieldMappings[$field_name] = $mapping;
return $this;
}
/**
* {@inheritdoc}
*/
public function id() {
return $this->targetEntityType . '.' . $this->bundle;
}
/**
* {@inheritdoc}
*/
public function calculateDependencies() {
parent::calculateDependencies();
// Create dependency on the bundle.
$entity_type = \Drupal::entityManager()->getDefinition($this->targetEntityType);
$this->addDependency('module', $entity_type->getProvider());
$bundle_config_dependency = $entity_type->getBundleConfigDependency($this->bundle);
$this->addDependency($bundle_config_dependency['type'], $bundle_config_dependency['name']);
return $this;
}
/**
* {@inheritdoc}
*/
public function postSave(EntityStorageInterface $storage, $update = TRUE) {
parent::postSave($storage, $update);
if (\Drupal::entityManager()->hasHandler($this->targetEntityType, 'view_builder')) {
\Drupal::entityManager()->getViewBuilder($this->targetEntityType)->resetCache();
}
}
}
@@ -0,0 +1,107 @@
<?php
namespace Drupal\rdf;
use Drupal\Core\Config\Entity\ConfigEntityInterface;
/**
* Provides an interface defining an RDF mapping entity.
*/
interface RdfMappingInterface extends ConfigEntityInterface {
/**
* Gets the mapping for the bundle-level data.
*
* The prepared bundle mapping should be used when outputting data in RDF
* serializations such as RDFa. In the prepared mapping, the mapping
* configuration's CURIE arrays are processed into CURIE strings suitable for
* output.
*
* @return array
* The bundle mapping.
*/
public function getPreparedBundleMapping();
/**
* Gets the mapping config for the bundle-level data.
*
* This function returns the bundle mapping as stored in config, which may
* contain CURIE arrays. If the mapping is needed for output in a
* serialization format, such as RDFa, then getPreparedBundleMapping() should
* be used instead.
*
* @return array
* The bundle mapping, or an empty array if there is no mapping.
*/
public function getBundleMapping();
/**
* Sets the mapping config for the bundle-level data.
*
* This only sets bundle-level mappings, such as the RDF type. Mappings for
* a bundle's fields should be handled with setFieldMapping.
*
* Example usage:
* -Map the 'article' bundle to 'sioc:Post'.
* @code
* rdf_get_mapping('node', 'article')
* ->setBundleMapping(array(
* 'types' => array('sioc:Post'),
* ))
* ->save();
* @endcode
*
* @param array $mapping
* The bundle mapping.
*
* @return \Drupal\rdf\Entity\RdfMapping
* The RdfMapping object.
*/
public function setBundleMapping(array $mapping);
/**
* Gets the prepared mapping for a field.
*
* The prepared field mapping should be used when outputting data in RDF
* serializations such as RDFa. In the prepared mapping, the mapping
* configuration's CURIE arrays are processed into CURIE strings suitable for
* output.
*
* @param string $field_name
* The name of the field.
*
* @return array
* The prepared field mapping, or an empty array if there is no mapping.
*/
public function getPreparedFieldMapping($field_name);
/**
* Gets the mapping config for a field.
*
* This function returns the field mapping as stored in config, which may
* contain CURIE arrays. If the mapping is needed for output in a
* serialization format, such as RDFa, then getPreparedFieldMapping() should
* be used instead.
*
* @param string $field_name
* The name of the field.
*
* @return array
* The field mapping config array, or an empty array if there is no mapping.
*/
public function getFieldMapping($field_name);
/**
* Sets the mapping config for a field.
*
* @param string $field_name
* The name of the field.
* @param array $mapping
* The field mapping.
*
* @return \Drupal\rdf\Entity\RdfMapping
* The RdfMapping object.
*/
public function setFieldMapping($field_name, array $mapping = []);
}
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<?php
namespace Drupal\rdf;
class SchemaOrgDataConverter {
/**
* Converts an interaction count to a string with the interaction type.
*
* Schema.org defines a number of different interaction types.
*
* @param int $count
* The interaction count.
* @param array $arguments
* An array of arguments defined in the mapping.
* Expected keys are:
* - interaction_type: The string to use for the type of interaction
* (e.g. UserComments).
*
* @return string
* The formatted string.
*
* @see http://schema.org/UserInteraction
*/
public static function interactionCount($count, $arguments) {
$interaction_type = $arguments['interaction_type'];
return "$interaction_type:$count";
}
}
@@ -0,0 +1,376 @@
<?php
namespace Drupal\rdf\Tests;
use Drupal\comment\CommentInterface;
use Drupal\comment\CommentManagerInterface;
use Drupal\comment\Tests\CommentTestBase;
use Drupal\user\RoleInterface;
use Drupal\comment\Entity\Comment;
/**
* Tests the RDFa markup of comments.
*
* @group rdf
*/
class CommentAttributesTest extends CommentTestBase {
/**
* Modules to enable.
*
* @var array
*/
public static $modules = ['views', 'node', 'comment', 'rdf'];
/**
* URI of the front page of the Drupal site.
*
* @var string
*/
protected $baseUri;
/**
* URI of the test node created by CommentTestBase::setUp().
*
* @var string
*/
protected $nodeUri;
protected function setUp() {
parent::setUp();
// Enables anonymous user comments.
user_role_change_permissions(RoleInterface::ANONYMOUS_ID, [
'access comments' => TRUE,
'post comments' => TRUE,
'skip comment approval' => TRUE,
]);
// Allows anonymous to leave their contact information.
$this->setCommentAnonymous(COMMENT_ANONYMOUS_MAY_CONTACT);
$this->setCommentPreview(DRUPAL_OPTIONAL);
$this->setCommentForm(TRUE);
$this->setCommentSubject(TRUE);
$this->setCommentSettings('comment_default_mode', CommentManagerInterface::COMMENT_MODE_THREADED, 'Comment paging changed.');
// Prepares commonly used URIs.
$this->baseUri = \Drupal::url('<front>', [], ['absolute' => TRUE]);
$this->nodeUri = $this->node->url('canonical', ['absolute' => TRUE]);
// Set relation between node and comment.
$article_mapping = rdf_get_mapping('node', 'article');
$comment_count_mapping = [
'properties' => ['sioc:num_replies'],
'datatype' => 'xsd:integer',
'datatype_callback' => ['callable' => 'Drupal\rdf\CommonDataConverter::rawValue'],
];
$article_mapping->setFieldMapping('comment_count', $comment_count_mapping)->save();
// Save user mapping.
$user_mapping = rdf_get_mapping('user', 'user');
$username_mapping = [
'properties' => ['foaf:name'],
];
$user_mapping->setFieldMapping('name', $username_mapping)->save();
$user_mapping->setFieldMapping('homepage', ['properties' => ['foaf:page'], 'mapping_type' => 'rel'])->save();
// Save comment mapping.
$mapping = rdf_get_mapping('comment', 'comment');
$mapping->setBundleMapping(['types' => ['sioc:Post', 'sioct:Comment']])->save();
$field_mappings = [
'subject' => [
'properties' => ['dc:title'],
],
'created' => [
'properties' => ['dc:date', 'dc:created'],
'datatype' => 'xsd:dateTime',
'datatype_callback' => ['callable' => 'Drupal\rdf\CommonDataConverter::dateIso8601Value'],
],
'changed' => [
'properties' => ['dc:modified'],
'datatype' => 'xsd:dateTime',
'datatype_callback' => ['callable' => 'Drupal\rdf\CommonDataConverter::dateIso8601Value'],
],
'comment_body' => [
'properties' => ['content:encoded'],
],
'pid' => [
'properties' => ['sioc:reply_of'],
'mapping_type' => 'rel',
],
'uid' => [
'properties' => ['sioc:has_creator'],
'mapping_type' => 'rel',
],
'name' => [
'properties' => ['foaf:name'],
],
];
// Iterate over shared field mappings and save.
foreach ($field_mappings as $field_name => $field_mapping) {
$mapping->setFieldMapping($field_name, $field_mapping)->save();
}
}
/**
* Tests the presence of the RDFa markup for the number of comments.
*/
public function testNumberOfCommentsRdfaMarkup() {
// Posts 2 comments on behalf of registered user.
$this->saveComment($this->node->id(), $this->webUser->id());
$this->saveComment($this->node->id(), $this->webUser->id());
// Tests number of comments in teaser view.
$this->drupalLogin($this->webUser);
$parser = new \EasyRdf_Parser_Rdfa();
$graph = new \EasyRdf_Graph();
$parser->parse($graph, $this->drupalGet('node'), 'rdfa', $this->baseUri);
// Number of comments.
$expected_value = [
'type' => 'literal',
'value' => 2,
'datatype' => 'http://www.w3.org/2001/XMLSchema#integer',
];
$this->assertTrue($graph->hasProperty($this->nodeUri, 'http://rdfs.org/sioc/ns#num_replies', $expected_value), 'Number of comments found in RDF output of teaser view (sioc:num_replies).');
// Tests number of comments in full node view, expected value is the same.
$parser = new \EasyRdf_Parser_Rdfa();
$graph = new \EasyRdf_Graph();
$parser->parse($graph, $this->drupalGet('node/' . $this->node->id()), 'rdfa', $this->baseUri);
$this->assertTrue($graph->hasProperty($this->nodeUri, 'http://rdfs.org/sioc/ns#num_replies', $expected_value), 'Number of comments found in RDF output of full node view mode (sioc:num_replies).');
}
/**
* Tests comment author link markup has not been broken by RDF.
*/
public function testCommentRdfAuthorMarkup() {
// Post a comment as a registered user.
$this->saveComment($this->node->id(), $this->webUser->id());
// Give the user access to view user profiles so the profile link shows up.
user_role_grant_permissions(RoleInterface::AUTHENTICATED_ID, ['access user profiles']);
$this->drupalLogin($this->webUser);
// Ensure that the author link still works properly after the author output
// is modified by the RDF module.
$this->drupalGet('node/' . $this->node->id());
$this->assertLink($this->webUser->getUsername());
$this->assertLinkByHref('user/' . $this->webUser->id());
}
/**
* Tests if RDFa markup for meta information is present in comments.
*
* Tests presence of RDFa markup for the title, date and author and homepage
* on comments from registered and anonymous users.
*/
public function testCommentRdfaMarkup() {
// Posts comment #1 on behalf of registered user.
$comment1 = $this->saveComment($this->node->id(), $this->webUser->id());
// Tests comment #1 with access to the user profile.
$this->drupalLogin($this->webUser);
$parser = new \EasyRdf_Parser_Rdfa();
$graph = new \EasyRdf_Graph();
$parser->parse($graph, $this->drupalGet('node/' . $this->node->id()), 'rdfa', $this->baseUri);
$this->_testBasicCommentRdfaMarkup($graph, $comment1);
// Tests comment #1 with no access to the user profile (as anonymous user).
$this->drupalLogout();
$parser = new \EasyRdf_Parser_Rdfa();
$graph = new \EasyRdf_Graph();
$parser->parse($graph, $this->drupalGet('node/' . $this->node->id()), 'rdfa', $this->baseUri);
$this->_testBasicCommentRdfaMarkup($graph, $comment1);
// Posts comment #2 as anonymous user.
$anonymous_user = [];
$anonymous_user['name'] = $this->randomMachineName();
$anonymous_user['mail'] = 'tester@simpletest.org';
$anonymous_user['homepage'] = 'http://example.org/';
$comment2 = $this->saveComment($this->node->id(), 0, $anonymous_user);
// Tests comment #2 as anonymous user.
$parser = new \EasyRdf_Parser_Rdfa();
$graph = new \EasyRdf_Graph();
$parser->parse($graph, $this->drupalGet('node/' . $this->node->id()), 'rdfa', $this->baseUri);
$this->_testBasicCommentRdfaMarkup($graph, $comment2, $anonymous_user);
// Tests comment #2 as logged in user.
$this->drupalLogin($this->webUser);
$parser = new \EasyRdf_Parser_Rdfa();
$graph = new \EasyRdf_Graph();
$parser->parse($graph, $this->drupalGet('node/' . $this->node->id()), 'rdfa', $this->baseUri);
$this->_testBasicCommentRdfaMarkup($graph, $comment2, $anonymous_user);
}
/**
* Tests RDF comment replies.
*/
public function testCommentReplyOfRdfaMarkup() {
// Posts comment #1 on behalf of registered user.
$this->drupalLogin($this->webUser);
$comment_1 = $this->saveComment($this->node->id(), $this->webUser->id());
$comment_1_uri = $comment_1->url('canonical', ['absolute' => TRUE]);
// Posts a reply to the first comment.
$comment_2 = $this->saveComment($this->node->id(), $this->webUser->id(), NULL, $comment_1->id());
$comment_2_uri = $comment_2->url('canonical', ['absolute' => TRUE]);
$parser = new \EasyRdf_Parser_Rdfa();
$graph = new \EasyRdf_Graph();
$parser->parse($graph, $this->drupalGet('node/' . $this->node->id()), 'rdfa', $this->baseUri);
// Tests the reply_of relationship of a first level comment.
$expected_value = [
'type' => 'uri',
'value' => $this->nodeUri,
];
$this->assertTrue($graph->hasProperty($comment_1_uri, 'http://rdfs.org/sioc/ns#reply_of', $expected_value), 'Comment relation to its node found in RDF output (sioc:reply_of).');
// Tests the reply_of relationship of a second level comment.
$expected_value = [
'type' => 'uri',
'value' => $this->nodeUri,
];
$this->assertTrue($graph->hasProperty($comment_2_uri, 'http://rdfs.org/sioc/ns#reply_of', $expected_value), 'Comment relation to its node found in RDF output (sioc:reply_of).');
$expected_value = [
'type' => 'uri',
'value' => $comment_1_uri,
];
$this->assertTrue($graph->hasProperty($comment_2_uri, 'http://rdfs.org/sioc/ns#reply_of', $expected_value), 'Comment relation to its parent comment found in RDF output (sioc:reply_of).');
}
/**
* Helper function for testCommentRdfaMarkup().
*
* Tests the current page for basic comment RDFa markup.
*
* @param $comment
* Comment object.
* @param $account
* An array containing information about an anonymous user.
*/
public function _testBasicCommentRdfaMarkup($graph, CommentInterface $comment, $account = []) {
$comment_uri = $comment->url('canonical', ['absolute' => TRUE]);
// Comment type.
$expected_value = [
'type' => 'uri',
'value' => 'http://rdfs.org/sioc/types#Comment',
];
$this->assertTrue($graph->hasProperty($comment_uri, 'http://www.w3.org/1999/02/22-rdf-syntax-ns#type', $expected_value), 'Comment type found in RDF output (sioct:Comment).');
// Comment type.
$expected_value = [
'type' => 'uri',
'value' => 'http://rdfs.org/sioc/ns#Post',
];
$this->assertTrue($graph->hasProperty($comment_uri, 'http://www.w3.org/1999/02/22-rdf-syntax-ns#type', $expected_value), 'Comment type found in RDF output (sioc:Post).');
// Comment title.
$expected_value = [
'type' => 'literal',
'value' => $comment->getSubject(),
'lang' => 'en',
];
$this->assertTrue($graph->hasProperty($comment_uri, 'http://purl.org/dc/terms/title', $expected_value), 'Comment subject found in RDF output (dc:title).');
// Comment date.
$expected_value = [
'type' => 'literal',
'value' => format_date($comment->getCreatedTime(), 'custom', 'c', 'UTC'),
'datatype' => 'http://www.w3.org/2001/XMLSchema#dateTime',
];
$this->assertTrue($graph->hasProperty($comment_uri, 'http://purl.org/dc/terms/date', $expected_value), 'Comment date found in RDF output (dc:date).');
// Comment date.
$expected_value = [
'type' => 'literal',
'value' => format_date($comment->getCreatedTime(), 'custom', 'c', 'UTC'),
'datatype' => 'http://www.w3.org/2001/XMLSchema#dateTime',
];
$this->assertTrue($graph->hasProperty($comment_uri, 'http://purl.org/dc/terms/created', $expected_value), 'Comment date found in RDF output (dc:created).');
// Comment body.
$expected_value = [
'type' => 'literal',
'value' => $comment->comment_body->value . "\n",
'lang' => 'en',
];
$this->assertTrue($graph->hasProperty($comment_uri, 'http://purl.org/rss/1.0/modules/content/encoded', $expected_value), 'Comment body found in RDF output (content:encoded).');
// The comment author can be a registered user or an anonymous user.
if ($comment->getOwnerId() > 0) {
$author_uri = \Drupal::url('entity.user.canonical', ['user' => $comment->getOwnerId()], ['absolute' => TRUE]);
// Comment relation to author.
$expected_value = [
'type' => 'uri',
'value' => $author_uri,
];
$this->assertTrue($graph->hasProperty($comment_uri, 'http://rdfs.org/sioc/ns#has_creator', $expected_value), 'Comment relation to author found in RDF output (sioc:has_creator).');
}
else {
// The author is expected to be a blank node.
$author_uri = $graph->get($comment_uri, '<http://rdfs.org/sioc/ns#has_creator>');
if ($author_uri instanceof \EasyRdf_Resource) {
$this->assertTrue($author_uri->isBnode(), 'Comment relation to author found in RDF output (sioc:has_creator) and author is blank node.');
}
else {
$this->fail('Comment relation to author found in RDF output (sioc:has_creator).');
}
}
// Author name.
$name = empty($account["name"]) ? $this->webUser->getUsername() : $account["name"] . " (not verified)";
$expected_value = [
'type' => 'literal',
'value' => $name,
];
$this->assertTrue($graph->hasProperty($author_uri, 'http://xmlns.com/foaf/0.1/name', $expected_value), 'Comment author name found in RDF output (foaf:name).');
// Comment author homepage (only for anonymous authors).
if ($comment->getOwnerId() == 0) {
$expected_value = [
'type' => 'uri',
'value' => 'http://example.org/',
];
$this->assertTrue($graph->hasProperty($author_uri, 'http://xmlns.com/foaf/0.1/page', $expected_value), 'Comment author link found in RDF output (foaf:page).');
}
}
/**
* Creates a comment entity.
*
* @param $nid
* Node id which will hold the comment.
* @param $uid
* User id of the author of the comment. Can be NULL if $contact provided.
* @param $contact
* Set to NULL for no contact info, TRUE to ignore success checking, and
* array of values to set contact info.
* @param $pid
* Comment id of the parent comment in a thread.
*
* @return \Drupal\comment\Entity\Comment
* The saved comment.
*/
public function saveComment($nid, $uid, $contact = NULL, $pid = 0) {
$values = [
'entity_id' => $nid,
'entity_type' => 'node',
'field_name' => 'comment',
'uid' => $uid,
'pid' => $pid,
'subject' => $this->randomMachineName(),
'comment_body' => $this->randomMachineName(),
'status' => 1,
];
if ($contact) {
$values += $contact;
}
$comment = Comment::create($values);
$comment->save();
return $comment;
}
}
@@ -0,0 +1,23 @@
<?php
namespace Drupal\rdf\Tests\Field;
/**
* Contains methods for test data conversions.
*/
class TestDataConverter {
/**
* Converts data into a string for placement into a content attribute.
*
* @param array $data
* The data to be altered and placed in the content attribute.
*
* @return string
* Returns the data.
*/
public static function convertFoo($data) {
return 'foo' . $data['value'];
}
}
@@ -0,0 +1,50 @@
<?php
namespace Drupal\rdf\Tests;
use Drupal\simpletest\WebTestBase;
/**
* Confirm that the serialization of RDF namespaces in present in the HTML
* markup.
*
* @group rdf
*/
class GetNamespacesTest extends WebTestBase {
/**
* Modules to enable.
*
* @var array
*/
public static $modules = ['rdf', 'rdf_test_namespaces'];
/**
* Tests RDF namespaces.
*/
public function testGetRdfNamespaces() {
// Fetches the front page and extracts RDFa 1.1 prefixes.
$this->drupalGet('');
$element = $this->xpath('//html[contains(@prefix, :prefix_binding)]', [
':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)]', [
':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)]', [
':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)]', [
':prefix_binding' => 'dc: http://purl.org/dc/terms/',
]);
$this->assertTrue(!empty($element), 'When a prefix has conflicting namespaces, the first declared one is used.');
}
}
@@ -0,0 +1,113 @@
<?php
namespace Drupal\rdf\Tests;
use Drupal\image\Entity\ImageStyle;
use Drupal\image\Tests\ImageFieldTestBase;
use Drupal\node\Entity\Node;
use Drupal\file\Entity\File;
/**
* Tests the RDFa markup of imagefields.
*
* @group rdf
*/
class ImageFieldAttributesTest extends ImageFieldTestBase {
/**
* Modules to enable.
*
* @var array
*/
public static $modules = ['rdf', 'image'];
/**
* The name of the image field used in the test.
*
* @var string
*/
protected $fieldName;
/**
* The file object used in the test.
*
* @var \Drupal\file\FileInterface
*/
protected $file;
/**
* The node object used in the test.
*
* @var \Drupal\node\NodeInterface
*/
protected $node;
protected function setUp() {
parent::setUp();
$this->fieldName = 'field_image';
// Create the image field.
$this->createImageField($this->fieldName, 'article');
// Set the RDF mapping for the new field.
rdf_get_mapping('node', 'article')
->setFieldMapping($this->fieldName, [
'properties' => ['og:image'],
'mapping_type' => 'rel',
])
->setBundleMapping(['types' => []])
->save();
// Get the test image that simpletest provides.
$image = current($this->drupalGetTestFiles('image'));
// Save a node with the image.
$nid = $this->uploadNodeImage($image, $this->fieldName, 'article', $this->randomMachineName());
$this->node = Node::load($nid);
$this->file = File::load($this->node->{$this->fieldName}->target_id);
}
/**
* Tests that image fields in teasers have correct resources.
*/
public function testNodeTeaser() {
// Set the display options for the teaser.
$display_options = [
'type' => 'image',
'settings' => ['image_style' => 'medium', 'image_link' => 'content'],
];
$display = entity_get_display('node', 'article', 'teaser');
$display->setComponent($this->fieldName, $display_options)
->save();
// Render the teaser.
$node_render_array = node_view($this->node, 'teaser');
$html = \Drupal::service('renderer')->renderRoot($node_render_array);
// Parse the teaser.
$parser = new \EasyRdf_Parser_Rdfa();
$graph = new \EasyRdf_Graph();
$base_uri = \Drupal::url('<front>', [], ['absolute' => TRUE]);
$parser->parse($graph, $html, 'rdfa', $base_uri);
// Construct the node and image URIs for testing.
$node_uri = $this->node->url('canonical', ['absolute' => TRUE]);
$image_uri = ImageStyle::load('medium')->buildUrl($this->file->getFileUri());
// Test relations from node to image.
$expected_value = [
'type' => 'uri',
'value' => $image_uri,
];
$this->assertTrue($graph->hasProperty($node_uri, 'http://ogp.me/ns#image', $expected_value), 'Node to file relation found in RDF output (og:image).');
// Test image type.
$expected_value = [
'type' => 'uri',
'value' => 'http://xmlns.com/foaf/0.1/Image',
];
$this->assertTrue($graph->hasProperty($image_uri, 'http://www.w3.org/1999/02/22-rdf-syntax-ns#type', $expected_value), 'Image type found in RDF output (foaf:Image).');
}
}