+<?php
+
+namespace Drupal\Tests\tracker\Functional\Views;
+
+use Drupal\views\Views;
+
+/**
+ * Tests the tracker user uid handlers.
+ *
+ * @group tracker
+ */
+class TrackerUserUidTest extends TrackerTestBase {
+
+ /**
+ * Views used by this test.
+ *
+ * @var array
+ */
+ public static $testViews = ['test_tracker_user_uid'];
+
+ /**
+ * Tests the user uid filter and argument.
+ */
+ public function testUserUid() {
+ $map = [
+ 'nid' => 'nid',
+ 'title' => 'title',
+ ];
+
+ $expected = [
+ [
+ 'nid' => $this->node->id(),
+ 'title' => $this->node->label(),
+ ]
+ ];
+
+ $view = Views::getView('test_tracker_user_uid');
+ $this->executeView($view);
+
+ // We should have no results as the filter is set for uid 0.
+ $this->assertIdenticalResultSet($view, [], $map);
+ $view->destroy();
+
+ // Change the filter value to our user.
+ $view->initHandlers();
+ $view->filter['uid_touch_tracker']->value = $this->node->getOwnerId();
+ $this->executeView($view);
+
+ // We should have one result as the filter is set for the created user.
+ $this->assertIdenticalResultSet($view, $expected, $map);
+ $view->destroy();
+
+ // Remove the filter now, so only the argument will affect the query.
+ $view->removeHandler('default', 'filter', 'uid_touch_tracker');
+
+ // Test the incorrect argument UID.
+ $view->initHandlers();
+ $this->executeView($view, [rand()]);
+ $this->assertIdenticalResultSet($view, [], $map);
+ $view->destroy();
+
+ // Test the correct argument UID.
+ $view->initHandlers();
+ $this->executeView($view, [$this->node->getOwnerId()]);
+ $this->assertIdenticalResultSet($view, $expected, $map);
+ }
+
+}