--- /dev/null
+<?php
+
+namespace Drupal\Tests\block\Kernel\Plugin\migrate\source\d6;
+
+use Drupal\Tests\block\Kernel\Plugin\migrate\source\BlockTest;
+
+/**
+ * Tests i18n block source plugin.
+ *
+ * @covers \Drupal\block\Plugin\migrate\source\d6\BlockTranslation
+ *
+ * @group content_translation
+ */
+class BlockTranslationTest extends BlockTest {
+
+ /**
+ * {@inheritdoc}
+ */
+ public static $modules = ['block'];
+
+ /**
+ * {@inheritdoc}
+ */
+ public function providerSource() {
+ // Test data is the same as BlockTest, but with the addition of i18n_blocks.
+ $tests = parent::providerSource();
+
+ // The source data.
+ $tests[0]['source_data']['i18n_blocks'] = [
+ [
+ 'ibid' => 1,
+ 'module' => 'block',
+ 'delta' => '1',
+ 'type' => 0,
+ 'language' => 'fr',
+ ],
+ [
+ 'ibid' => 2,
+ 'module' => 'block',
+ 'delta' => '2',
+ 'type' => 0,
+ 'language' => 'zu',
+ ],
+ ];
+ $tests[0]['source_data']['variables'] = [
+ [
+ 'name' => 'default_theme',
+ 'value' => 's:7:"garland";',
+ ],
+ ];
+ // The expected results.
+ $tests[0]['expected_data'] = [
+ [
+ 'bid' => 1,
+ 'module' => 'block',
+ 'delta' => '1',
+ 'title' => 'Test Title 01',
+ 'ibid' => 1,
+ 'type' => '0',
+ 'language' => 'fr',
+ 'default_theme' => 'Garland',
+ ],
+ [
+ 'bid' => 2,
+ 'module' => 'block',
+ 'delta' => '2',
+ 'theme' => 'garland',
+ 'title' => 'Test Title 02',
+ 'ibid' => 2,
+ 'type' => '0',
+ 'language' => 'zu',
+ 'default_theme' => 'Garland',
+ ],
+ ];
+
+ return $tests;
+ }
+
+}