--- /dev/null
+<?php
+
+namespace Drupal\Tests\language\Kernel\Plugin\migrate\source\d6;
+
+use Drupal\Tests\migrate\Kernel\MigrateSqlSourceTestBase;
+
+/**
+ * Tests i18ntaxonomy vocabulary setting source plugin.
+ *
+ * @covers \Drupal\language\Plugin\migrate\source\d6\LanguageContentSettingsTaxonomyVocabulary
+ *
+ * @group language
+ */
+class LanguageContentTaxonomyVocabularySettingsTest extends MigrateSqlSourceTestBase {
+
+ /**
+ * {@inheritdoc}
+ */
+ public static $modules = ['taxonomy', 'language', 'migrate_drupal'];
+
+ /**
+ * {@inheritdoc}
+ */
+ public function providerSource() {
+ $tests = [];
+
+ // The source data.
+ $tests[0]['source_data']['vocabulary'] = [
+ [
+ 'vid' => 1,
+ 'name' => 'Tags',
+ 'description' => 'Tags description.',
+ 'help' => 1,
+ 'relations' => 0,
+ 'hierarchy' => 0,
+ 'multiple' => 0,
+ 'required' => 0,
+ 'tags' => 1,
+ 'module' => 'taxonomy',
+ 'weight' => 0,
+ 'language' => '',
+ ],
+ [
+ 'vid' => 2,
+ 'name' => 'Categories',
+ 'description' => 'Categories description.',
+ 'help' => 1,
+ 'relations' => 1,
+ 'hierarchy' => 1,
+ 'multiple' => 0,
+ 'required' => 1,
+ 'tags' => 0,
+ 'module' => 'taxonomy',
+ 'weight' => 0,
+ 'language' => 'zu',
+ ],
+ ];
+ $tests[0]['source_data']['variable'] = [
+ [
+ 'name' => 'i18ntaxonomy_vocabulary',
+ 'value' => 'a:4:{i:1;s:1:"3";i:2;s:1:"2";i:3;s:1:"3";i:5;s:1:"1";}',
+ ],
+ ];
+
+ $tests[0]['expected_data'] = [
+ [
+ 'vid' => 1,
+ 'language' => '',
+ 'state' => 3,
+ ],
+ [
+ 'vid' => 2,
+ 'language' => 'zu',
+ 'state' => 2,
+ ],
+ ];
+
+ return $tests;
+ }
+
+}