function MessageTest::testMessages

Tests setting messages output.

File

core/tests/Drupal/KernelTests/Core/Theme/MessageTest.php, line 24

Class

MessageTest

Tests built-in message theme functions.

Namespace

Code

public function testMessages() : void {
  // Enable the Starterkit theme.
  \Drupal::service('theme_installer')->install([
    'starterkit_theme',
  ]);
  $this->config('system.theme')
    ->set('default', 'starterkit_theme')
    ->save();
  \Drupal::messenger()->addError('An error occurred');
  \Drupal::messenger()->addStatus('But then something nice happened');
  $messages = [
    '#type' => 'status_messages',
  ];
  $this->render($messages);
  $this->assertRaw('messages messages--error');
  $this->assertRaw('messages messages--status');
  // Tests display of only one type of messages.
  \Drupal::messenger()->addError('An error occurred');
  $messages = [
    '#type' => 'status_messages',
    '#display' => 'error',
  ];
  $this->render($messages);
  $this->assertRaw('messages messages--error');
}