--- /dev/null
+<?php
+
+namespace Drupal\Tests\user\Kernel\Plugin\migrate\source\d6;
+
+use Drupal\Tests\migrate\Kernel\MigrateSqlSourceTestBase;
+
+/**
+ * Tests the d6_user_picture source plugin.
+ *
+ * @covers \Drupal\user\Plugin\migrate\source\d6\UserPicture
+ * @group user
+ */
+class UserPictureTest extends MigrateSqlSourceTestBase {
+
+ /**
+ * {@inheritdoc}
+ */
+ public static $modules = ['user', 'migrate_drupal'];
+
+ /**
+ * {@inheritdoc}
+ */
+ public function providerSource() {
+ $tests = [];
+
+ // The source data.
+ $tests[0]['source_data']['users'] = [
+ [
+ 'uid' => 1,
+ 'access' => 1382835435,
+ 'picture' => 'sites/default/files/pictures/picture-1.jpg',
+ ],
+ [
+ 'uid' => 2,
+ 'access' => 1382835436,
+ 'picture' => 'sites/default/files/pictures/picture-2.jpg',
+ ],
+ ];
+
+ // User picture data model is identical in source input and output.
+ $tests[0]['expected_data'] = $tests[0]['source_data']['users'];
+
+ return $tests;
+ }
+
+}