UserRequirementsTest.php

<?php

declare (strict_types=1);
namespace Drupal\Tests\user\Kernel;

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

/**
 * Tests user_requirements().
 *
 * @group user
 */
class UserRequirementsTest extends KernelTestBase {
  use UserCreationTrait;
  
  /**
   * {@inheritdoc}
   */
  protected static $modules = [
    'user',
  ];
  
  /**
   * Module handler for invoking user requirements.
   *
   * @var \Drupal\Core\Extension\ModuleHandlerInterface
   */
  protected $moduleHandler;
  
  /**
   * {@inheritdoc}
   */
  protected function setUp() : void {
    parent::setUp();
    $this->moduleHandler = $this->container
      ->get('module_handler');
    $this->installEntitySchema('user');
    include_once $this->root . '/core/includes/install.inc';
  }
  
  /**
   * Tests that the requirements check can detect conflicting user emails.
   *
   * @see \Drupal\Tests\user\Kernel\UserValidationTest::testValidation
   */
  public function testConflictingUserEmails() : void {
    $output = $this->moduleHandler
      ->invoke('user', 'runtime_requirements');
    $this->assertArrayNotHasKey('conflicting emails', $output);
    $this->createUser([], 'User A', FALSE, [
      'mail' => 'unique@example.com',
    ]);
    $this->createUser([], 'User B', FALSE, [
      'mail' => 'UNIQUE@example.com',
    ]);
    $output = $this->moduleHandler
      ->invoke('user', 'runtime_requirements');
    $this->assertArrayHasKey('conflicting emails', $output);
  }
  
  /**
   * Tests that the requirements check does not incorrectly flag blank emails.
   */
  public function testBlankUserEmails() : void {
    $output = $this->moduleHandler
      ->invoke('user', 'runtime_requirements');
    $this->assertArrayNotHasKey('conflicting emails', $output);
    $this->createUser([], 'User A', FALSE, [
      'mail' => '',
    ]);
    $this->createUser([], 'User B', FALSE, [
      'mail' => '',
    ]);
    $output = $this->moduleHandler
      ->invoke('user', 'runtime_requirements');
    $this->assertArrayNotHasKey('conflicting emails', $output);
  }

}