--- /dev/null
+<?php
+
+namespace Drupal\Tests\comment\Kernel\Plugin\migrate\source\d7;
+
+use Drupal\Tests\migrate\Kernel\MigrateSqlSourceTestBase;
+
+/**
+ * Tests D7 comment entity translation source plugin.
+ *
+ * @covers \Drupal\comment\Plugin\migrate\source\d7\CommentEntityTranslation
+ * @group comment
+ */
+class CommentEntityTranslationTest extends MigrateSqlSourceTestBase {
+
+ /**
+ * {@inheritdoc}
+ */
+ public static $modules = ['comment', 'migrate_drupal'];
+
+ /**
+ * {@inheritdoc}
+ */
+ public function providerSource() {
+ $tests = [];
+
+ // The source data.
+ $tests[0]['source_data']['comment'] = [
+ [
+ 'cid' => '1',
+ 'pid' => '0',
+ 'nid' => '1',
+ 'uid' => '1',
+ 'subject' => 'A comment',
+ 'hostname' => '::1',
+ 'created' => '1421727536',
+ 'changed' => '1421727536',
+ 'status' => '1',
+ 'thread' => '01/',
+ 'name' => 'admin',
+ 'mail' => '',
+ 'homepage' => '',
+ 'language' => 'en',
+ ],
+ ];
+ $tests[0]['source_data']['entity_translation'] = [
+ [
+ 'entity_type' => 'comment',
+ 'entity_id' => 1,
+ 'revision_id' => 1,
+ 'language' => 'en',
+ 'source' => '',
+ 'uid' => 1,
+ 'status' => 1,
+ 'translate' => 0,
+ 'created' => '1421727536',
+ 'changed' => '1421727536',
+ ],
+ [
+ 'entity_type' => 'comment',
+ 'entity_id' => 1,
+ 'revision_id' => 1,
+ 'language' => 'fr',
+ 'source' => 'en',
+ 'uid' => 1,
+ 'status' => 0,
+ 'translate' => 0,
+ 'created' => 1531343508,
+ 'changed' => 1531343508,
+ ],
+ [
+ 'entity_type' => 'comment',
+ 'entity_id' => 1,
+ 'revision_id' => 1,
+ 'language' => 'es',
+ 'source' => 'en',
+ 'uid' => 2,
+ 'status' => 1,
+ 'translate' => 1,
+ 'created' => 1531343528,
+ 'changed' => 1531343528,
+ ],
+ ];
+ $tests[0]['source_data']['field_config'] = [
+ [
+ 'id' => 1,
+ 'field_name' => 'field_test',
+ 'type' => 'text',
+ 'module' => 'text',
+ 'active' => 1,
+ 'storage_type' => 'field_sql_storage',
+ 'storage_module' => 'field_sql_storage',
+ 'storage_active' => 1,
+ 'locked' => 1,
+ 'data' => 'a:0:{}',
+ 'cardinality' => 1,
+ 'translatable' => 1,
+ 'deleted' => 0,
+ ],
+ [
+ 'id' => 2,
+ 'field_name' => 'subject_field',
+ 'type' => 'text',
+ 'module' => 'text',
+ 'active' => 1,
+ 'storage_type' => 'field_sql_storage',
+ 'storage_module' => 'field_sql_storage',
+ 'storage_active' => 1,
+ 'locked' => 1,
+ 'data' => 'a:0:{}',
+ 'cardinality' => 1,
+ 'translatable' => 1,
+ 'deleted' => 0,
+ ],
+ ];
+ $tests[0]['source_data']['field_config_instance'] = [
+ [
+ 'id' => '1',
+ 'field_id' => '1',
+ 'field_name' => 'field_test',
+ 'entity_type' => 'comment',
+ 'bundle' => 'comment_node_test_content_type',
+ 'data' => 'a:0:{}',
+ 'deleted' => '0',
+ ],
+ [
+ 'id' => '2',
+ 'field_id' => '2',
+ 'field_name' => 'subject_field',
+ 'entity_type' => 'comment',
+ 'bundle' => 'comment_node_test_content_type',
+ 'data' => 'a:0:{}',
+ 'deleted' => '0',
+ ],
+ ];
+ $tests[0]['source_data']['field_data_field_test'] = [
+ [
+ 'entity_type' => 'comment',
+ 'bundle' => 'comment_node_test_content_type',
+ 'deleted' => '0',
+ 'entity_id' => '1',
+ 'revision_id' => '1',
+ 'language' => 'en',
+ 'delta' => '0',
+ 'field_test_value' => 'This is an English comment',
+ 'field_test_format' => NULL,
+ ],
+ [
+ 'entity_type' => 'comment',
+ 'bundle' => 'comment_node_test_content_type',
+ 'deleted' => '0',
+ 'entity_id' => '1',
+ 'revision_id' => '1',
+ 'language' => 'fr',
+ 'delta' => '0',
+ 'field_test_value' => 'This is a French comment',
+ 'field_test_format' => NULL,
+ ],
+ [
+ 'entity_type' => 'comment',
+ 'bundle' => 'comment_node_test_content_type',
+ 'deleted' => '0',
+ 'entity_id' => '1',
+ 'revision_id' => '1',
+ 'language' => 'es',
+ 'delta' => '0',
+ 'field_test_value' => 'This is a Spanish comment',
+ 'field_test_format' => NULL,
+ ],
+ ];
+ $tests[0]['source_data']['field_data_subject_field'] = [
+ [
+ 'entity_type' => 'comment',
+ 'bundle' => 'comment_node_test_content_type',
+ 'deleted' => '0',
+ 'entity_id' => '1',
+ 'revision_id' => '1',
+ 'language' => 'en',
+ 'delta' => '0',
+ 'subject_field_value' => 'Comment subject in English',
+ 'subject_field_format' => NULL,
+ ],
+ [
+ 'entity_type' => 'comment',
+ 'bundle' => 'comment_node_test_content_type',
+ 'deleted' => '0',
+ 'entity_id' => '1',
+ 'revision_id' => '1',
+ 'language' => 'fr',
+ 'delta' => '0',
+ 'subject_field_value' => 'Comment subject in French',
+ 'subject_field_format' => NULL,
+ ],
+ [
+ 'entity_type' => 'comment',
+ 'bundle' => 'comment_node_test_content_type',
+ 'deleted' => '0',
+ 'entity_id' => '1',
+ 'revision_id' => '1',
+ 'language' => 'es',
+ 'delta' => '0',
+ 'subject_field_value' => 'Comment subject in Spanish',
+ 'subject_field_format' => NULL,
+ ],
+ ];
+ $tests[0]['source_data']['node'] = [
+ [
+ 'nid' => '1',
+ 'vid' => '1',
+ 'type' => 'test_content_type',
+ 'language' => 'en',
+ 'title' => 'A Node',
+ 'uid' => '1',
+ 'status' => '1',
+ 'created' => '1421727515',
+ 'changed' => '1421727515',
+ 'comment' => '2',
+ 'promote' => '1',
+ 'sticky' => '0',
+ 'tnid' => '0',
+ 'translate' => '0',
+ ],
+ ];
+
+ // The expected results.
+ $tests[0]['expected_data'] = [
+ [
+ 'subject' => 'A comment',
+ 'entity_type' => 'comment',
+ 'entity_id' => '1',
+ 'revision_id' => '1',
+ 'language' => 'fr',
+ 'source' => 'en',
+ 'uid' => '1',
+ 'status' => '0',
+ 'translate' => '0',
+ 'created' => '1531343508',
+ 'changed' => '1531343508',
+ 'field_test' => [
+ [
+ 'value' => 'This is a French comment',
+ 'format' => NULL,
+ ],
+ ],
+ 'subject_field' => [
+ [
+ 'value' => 'Comment subject in French',
+ 'format' => NULL,
+ ],
+ ],
+ ],
+ [
+ 'subject' => 'A comment',
+ 'entity_type' => 'comment',
+ 'entity_id' => '1',
+ 'revision_id' => '1',
+ 'language' => 'es',
+ 'source' => 'en',
+ 'uid' => '2',
+ 'status' => '1',
+ 'translate' => '1',
+ 'created' => '1531343528',
+ 'changed' => '1531343528',
+ 'field_test' => [
+ [
+ 'value' => 'This is a Spanish comment',
+ 'format' => NULL,
+ ],
+ ],
+ 'subject_field' => [
+ [
+ 'value' => 'Comment subject in Spanish',
+ 'format' => NULL,
+ ],
+ ],
+ ],
+ ];
+
+ return $tests;
+ }
+
+}