function MessengerTest::testRemoveSingleMessage

@covers ::addStatus
@covers ::deleteByType
@covers ::messagesByType

File

core/tests/Drupal/KernelTests/Core/Messenger/MessengerTest.php, line 38

Class

MessengerTest

@group Messenger @coversDefaultClass \Drupal\Core\Messenger\Messenger[[api-linebreak]]

Namespace

Code

public function testRemoveSingleMessage() : void {
  // Set two messages.
  $this->messenger
    ->addStatus('First message (removed).');
  $this->messenger
    ->addStatus('Second message with <em>markup!</em> (not removed).');
  $messages = $this->messenger
    ->deleteByType(MessengerInterface::TYPE_STATUS);
  // Remove the first.
  unset($messages[0]);
  // Re-add the second.
  foreach ($messages as $message) {
    $this->messenger
      ->addStatus($message);
  }
  // Check we only have the second one.
  $this->assertCount(1, $this->messenger
    ->messagesByType(MessengerInterface::TYPE_STATUS));
  $this->assertContainsEquals('Second message with <em>markup!</em> (not removed).', $this->messenger
    ->deleteByType(MessengerInterface::TYPE_STATUS));
}