--- /dev/null
+<?php
+
+namespace Drupal\Tests\rdf\Kernel\Plugin\migrate\source\d7;
+
+use Drupal\Tests\migrate\Kernel\MigrateSqlSourceTestBase;
+
+/**
+ * Tests Drupal 7 RDF mappings source plugin.
+ *
+ * @covers \Drupal\rdf\Plugin\migrate\source\d7\RdfMapping
+ *
+ * @group rdf
+ */
+class RdfMappingTest extends MigrateSqlSourceTestBase {
+
+ /**
+ * {@inheritdoc}
+ */
+ public static $modules = [
+ 'comment',
+ 'migrate_drupal',
+ 'node',
+ 'rdf',
+ 'taxonomy',
+ 'user',
+ ];
+
+ /**
+ * {@inheritdoc}
+ */
+ public function providerSource() {
+ $tests = [];
+
+ // The source data.
+ $tests[0]['source_data']['rdf_mapping'] = [
+ [
+ 'type' => 'comment',
+ 'bundle' => 'comment_node_article',
+ 'mapping' => 'a:8:{s:7:"rdftype";a:2:{i:0;s:9:"sioc:Post";i:1;s:13:"sioct:Comment";}s:5:"title";a:1:{s:10:"predicates";a:1:{i:0;s:8:"dc:title";}}s:7:"created";a:3:{s:10:"predicates";a:2:{i:0;s:7:"dc:date";i:1;s:10:"dc:created";}s:8:"datatype";s:12:"xsd:dateTime";s:8:"callback";s:12:"date_iso8601";}s:7:"changed";a:3:{s:10:"predicates";a:1:{i:0;s:11:"dc:modified";}s:8:"datatype";s:12:"xsd:dateTime";s:8:"callback";s:12:"date_iso8601";}s:12:"comment_body";a:1:{s:10:"predicates";a:1:{i:0;s:15:"content:encoded";}}s:3:"pid";a:2:{s:10:"predicates";a:1:{i:0;s:13:"sioc:reply_of";}s:4:"type";s:3:"rel";}s:3:"uid";a:2:{s:10:"predicates";a:1:{i:0;s:16:"sioc:has_creator";}s:4:"type";s:3:"rel";}s:4:"name";a:1:{s:10:"predicates";a:1:{i:0;s:9:"foaf:name";}}}',
+ ],
+ [
+ 'type' => 'node',
+ 'bundle' => 'article',
+ 'mapping' => 'a:9:{s:7:"rdftype";a:2:{i:0;s:9:"sioc:Item";i:1;s:13:"foaf:Document";}s:5:"title";a:1:{s:10:"predicates";a:1:{i:0;s:8:"dc:title";}}s:7:"created";a:3:{s:10:"predicates";a:2:{i:0;s:7:"dc:date";i:1;s:10:"dc:created";}s:8:"datatype";s:12:"xsd:dateTime";s:8:"callback";s:12:"date_iso8601";}s:7:"changed";a:3:{s:10:"predicates";a:1:{i:0;s:11:"dc:modified";}s:8:"datatype";s:12:"xsd:dateTime";s:8:"callback";s:12:"date_iso8601";}s:4:"body";a:1:{s:10:"predicates";a:1:{i:0;s:15:"content:encoded";}}s:3:"uid";a:2:{s:10:"predicates";a:1:{i:0;s:16:"sioc:has_creator";}s:4:"type";s:3:"rel";}s:4:"name";a:1:{s:10:"predicates";a:1:{i:0;s:9:"foaf:name";}}s:13:"comment_count";a:2:{s:10:"predicates";a:1:{i:0;s:16:"sioc:num_replies";}s:8:"datatype";s:11:"xsd:integer";}s:13:"last_activity";a:3:{s:10:"predicates";a:1:{i:0;s:23:"sioc:last_activity_date";}s:8:"datatype";s:12:"xsd:dateTime";s:8:"callback";s:12:"date_iso8601";}}',
+ ],
+ [
+ 'type' => 'taxonomy_term',
+ 'bundle' => 'tags',
+ 'mapping' => 'a:5:{s:7:"rdftype";a:1:{i:0;s:12:"skos:Concept";}s:4:"name";a:1:{s:10:"predicates";a:2:{i:0;s:10:"rdfs:label";i:1;s:14:"skos:prefLabel";}}s:11:"description";a:1:{s:10:"predicates";a:1:{i:0;s:15:"skos:definition";}}s:3:"vid";a:2:{s:10:"predicates";a:1:{i:0;s:13:"skos:inScheme";}s:4:"type";s:3:"rel";}s:6:"parent";a:2:{s:10:"predicates";a:1:{i:0;s:12:"skos:broader";}s:4:"type";s:3:"rel";}}',
+ ],
+ [
+ 'type' => 'user',
+ 'bundle' => 'user',
+ 'mapping' => 'a:3:{s:7:"rdftype";a:1:{i:0;s:16:"sioc:UserAccount";}s:4:"name";a:1:{s:10:"predicates";a:1:{i:0;s:9:"foaf:name";}}s:8:"homepage";a:2:{s:10:"predicates";a:1:{i:0;s:9:"foaf:page";}s:4:"type";s:3:"rel";}}',
+ ],
+ ];
+
+ // The expected results.
+ $tests[0]['expected_data'] = [
+ [
+ 'type' => 'comment',
+ 'bundle' => 'comment_node_article',
+ 'types' => [
+ 'sioc:Post',
+ 'sioct:Comment',
+ ],
+ 'fieldMappings' => [
+ 'changed' => [
+ 'predicates' => [
+ 'dc:modified',
+ ],
+ 'datatype' => 'xsd:dateTime',
+ 'callback' => 'date_iso8601',
+ ],
+ 'comment_body' => [
+ 'predicates' => [
+ 'content:encoded',
+ ],
+ ],
+ 'created' => [
+ 'predicates' => [
+ 'dc:date',
+ 'dc:created',
+ ],
+ 'datatype' => 'xsd:dateTime',
+ 'callback' => 'date_iso8601',
+ ],
+ 'name' => [
+ 'predicates' => [
+ 'foaf:name',
+ ],
+ ],
+ 'pid' => [
+ 'predicates' => [
+ 'sioc:reply_of',
+ ],
+ 'type' => 'rel',
+ ],
+ 'title' => [
+ 'predicates' => [
+ 'dc:title',
+ ],
+ ],
+ 'uid' => [
+ 'predicates' => [
+ 'sioc:has_creator',
+ ],
+ 'type' => 'rel',
+ ],
+ ],
+ ],
+ [
+ 'type' => 'node',
+ 'bundle' => 'article',
+ 'types' => [
+ 'sioc:Item',
+ 'foaf:Document',
+ ],
+ 'fieldMappings' => [
+ 'body' => [
+ 'predicates' => [
+ 'content:encoded',
+ ],
+ ],
+ 'changed' => [
+ 'predicates' => [
+ 'dc:modified',
+ ],
+ 'datatype' => 'xsd:dateTime',
+ 'callback' => 'date_iso8601',
+ ],
+ 'comment_count' => [
+ 'predicates' => [
+ 'sioc:num_replies',
+ ],
+ 'datatype' => 'xsd:integer',
+ ],
+ 'created' => [
+ 'predicates' => [
+ 'dc:date',
+ 'dc:created',
+ ],
+ 'datatype' => 'xsd:dateTime',
+ 'callback' => 'date_iso8601',
+ ],
+ 'last_activity' => [
+ 'predicates' => [
+ 'sioc:last_activity_date',
+ ],
+ 'datatype' => 'xsd:dateTime',
+ 'callback' => 'date_iso8601',
+ ],
+ 'name' => [
+ 'predicates' => [
+ 'foaf:name',
+ ],
+ ],
+ 'title' => [
+ 'predicates' => [
+ 'dc:title',
+ ],
+ ],
+ 'uid' => [
+ 'predicates' => [
+ 'sioc:has_creator',
+ ],
+ 'type' => 'rel',
+ ],
+ ],
+ ],
+ [
+ 'type' => 'taxonomy_term',
+ 'bundle' => 'tags',
+ 'types' => [
+ 'skos:Concept',
+ ],
+ 'fieldMappings' => [
+ 'description' => [
+ 'predicates' => [
+ 'skos:definition',
+ ],
+ ],
+ 'name' => [
+ 'predicates' => [
+ 'rdfs:label',
+ 'skos:prefLabel',
+ ],
+ ],
+ 'parent' => [
+ 'predicates' => [
+ 'skos:broader',
+ ],
+ 'type' => 'rel',
+ ],
+ 'vid' => [
+ 'predicates' => [
+ 'skos:inScheme',
+ ],
+ 'type' => 'rel',
+ ],
+ ],
+ ],
+ [
+ 'type' => 'user',
+ 'bundle' => 'user',
+ 'types' => [
+ 'sioc:UserAccount',
+ ],
+ 'fieldMappings' => [
+ 'homepage' => [
+ 'predicates' => [
+ 'foaf:page',
+ ],
+ 'type' => 'rel',
+ ],
+ 'name' => [
+ 'predicates' => [
+ 'foaf:name',
+ ],
+ ],
+ ],
+ ],
+ ];
+
+ return $tests;
+ }
+
+}