--- /dev/null
+<?php
+
+namespace Drupal\Tests\rdf\Functional;
+
+use Drupal\comment\CommentInterface;
+use Drupal\comment\CommentManagerInterface;
+use Drupal\Tests\comment\Functional\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;
+ }
+
+}
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