Tests username and email field constraints on user registration.

See also

\Drupal\user\Plugin\Validation\Constraint\UserNameUnique

\Drupal\user\Plugin\Validation\Constraint\UserMailUnique

File

core/modules/user/tests/src/Functional/UserRegistrationTest.php, line 278

Class

UserRegistrationTest

Tests registration of user under different configurations.

Namespace

Drupal\Tests\user\Functional

Code

public function testUniqueFields() {
  $account = $this->drupalCreateUser();
  $edit = [
    'mail' => 'test@example.com',
    'name' => $account->getAccountName(),
  ];
  $this->drupalPostForm('user/register', $edit, t('Create new account'));
  $this->assertRaw(new FormattableMarkup('The username %value is already taken.', [
    '%value' => $account->getAccountName(),
  ]));
  $edit = [
    'mail' => $account->getEmail(),
    'name' => $this->randomString(),
  ];
  $this->drupalPostForm('user/register', $edit, t('Create new account'));
  $this->assertRaw(new FormattableMarkup('The email address %value is already taken.', [
    '%value' => $account->getEmail(),
  ]));
}

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