public function MessageTest::testMessages in Drupal 9

Same name and namespace in other branches

1. 8 core/tests/Drupal/KernelTests/Core/Theme/MessageTest.php \Drupal\KernelTests\Core\Theme\MessageTest::testMessages()

Tests setting messages output.

File

core/tests/Drupal/KernelTests/Core/Theme/MessageTest.php, line 22

Class

MessageTest

Tests built-in message theme functions.

Namespace

Drupal\KernelTests\Core\Theme

Code

public function testMessages() {

  // Enable the Classy theme.
  \Drupal::service('theme_installer')
    ->install([
    'classy',
  ]);
  $this
    ->config('system.theme')
    ->set('default', 'classy')
    ->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');
}