UserEntityLabelTest.php

<?php

namespace Drupal\Tests\user\Kernel;

use Drupal\KernelTests\KernelTestBase;
use Drupal\Tests\user\Traits\UserCreationTrait;
use Drupal\user\Entity\User;

/**
 * Tests the label callback.
 *
 * @group user
 */
class UserEntityLabelTest extends KernelTestBase {
    use UserCreationTrait;
    
    /**
     * {@inheritdoc}
     */
    protected static $modules = [
        'system',
        'user',
        'user_hooks_test',
    ];
    
    /**
     * Tests label callback.
     */
    public function testLabelCallback() {
        $this->installSchema('system', [
            'sequences',
        ]);
        $this->installEntitySchema('user');
        $account = $this->createUser();
        $anonymous = User::create([
            'uid' => 0,
        ]);
        $this->assertEquals($account->getAccountName(), $account->label());
        // Setup a random anonymous name to be sure the name is used.
        $name = $this->randomMachineName();
        $this->config('user.settings')
            ->set('anonymous', $name)
            ->save();
        $this->assertEquals($name, $anonymous->label());
        $this->assertEquals($name, $anonymous->getDisplayName());
        $this->assertEmpty($anonymous->getAccountName());
        // Set to test the altered username.
        \Drupal::state()->set('user_hooks_test_user_format_name_alter', TRUE);
        // The user display name should be altered.
        $this->assertEquals('<em>' . $account->id() . '</em>', $account->getDisplayName());
        // The user login name should not be altered.
        $this->assertEquals($account->name->value, $account->getAccountName());
    }

}