--- /dev/null
+<?php
+
+namespace Drupal\Tests\user\Kernel;
+
+use Drupal\field\Tests\EntityReference\EntityReferenceTestTrait;
+use Drupal\field\Entity\FieldConfig;
+use Drupal\KernelTests\Core\Entity\EntityKernelTestBase;
+use Drupal\user\Entity\Role;
+
+/**
+ * Tests the user reference field functionality.
+ *
+ * @group user
+ */
+class UserEntityReferenceTest extends EntityKernelTestBase {
+
+ use EntityReferenceTestTrait;
+
+ /**
+ * A randomly-generated role for testing purposes.
+ *
+ * @var \Drupal\user\RoleInterface
+ */
+ protected $role1;
+
+ /**
+ * A randomly-generated role for testing purposes.
+ *
+ * @var \Drupal\user\RoleInterface
+ */
+ protected $role2;
+
+ /**
+ * {@inheritdoc}
+ */
+ protected function setUp() {
+ parent::setUp();
+
+ $this->role1 = Role::create([
+ 'id' => strtolower($this->randomMachineName(8)),
+ 'label' => $this->randomMachineName(8),
+ ]);
+ $this->role1->save();
+
+ $this->role2 = Role::create([
+ 'id' => strtolower($this->randomMachineName(8)),
+ 'label' => $this->randomMachineName(8),
+ ]);
+ $this->role2->save();
+
+ $this->createEntityReferenceField('user', 'user', 'user_reference', 'User reference', 'user');
+ }
+
+ /**
+ * Tests user selection by roles.
+ */
+ public function testUserSelectionByRole() {
+ $field_definition = FieldConfig::loadByName('user', 'user', 'user_reference');
+ $handler_settings = $field_definition->getSetting('handler_settings');
+ $handler_settings['filter']['role'] = [
+ $this->role1->id() => $this->role1->id(),
+ $this->role2->id() => 0,
+ ];
+ $handler_settings['filter']['type'] = 'role';
+ $field_definition->setSetting('handler_settings', $handler_settings);
+ $field_definition->save();
+
+ $user1 = $this->createUser(['name' => 'aabb']);
+ $user1->addRole($this->role1->id());
+ $user1->save();
+
+ $user2 = $this->createUser(['name' => 'aabbb']);
+ $user2->addRole($this->role1->id());
+ $user2->save();
+
+ $user3 = $this->createUser(['name' => 'aabbbb']);
+ $user3->addRole($this->role2->id());
+ $user3->save();
+
+
+ /** @var \Drupal\Core\Entity\EntityAutocompleteMatcher $autocomplete */
+ $autocomplete = \Drupal::service('entity.autocomplete_matcher');
+
+ $matches = $autocomplete->getMatches('user', 'default', $field_definition->getSetting('handler_settings'), 'aabb');
+ $this->assertEqual(count($matches), 2);
+ $users = [];
+ foreach ($matches as $match) {
+ $users[] = $match['label'];
+ }
+ $this->assertTrue(in_array($user1->label(), $users));
+ $this->assertTrue(in_array($user2->label(), $users));
+ $this->assertFalse(in_array($user3->label(), $users));
+
+ $matches = $autocomplete->getMatches('user', 'default', $field_definition->getSetting('handler_settings'), 'aabbbb');
+ $this->assertEqual(count($matches), 0, '');
+ }
+
+}