public function testMessagesFiltering()
{
$notifications = new Notification\Stack();
$message = new Notification\Info('hello');
$notifications->addMessage('x.y', $message);
$notifications->addMessage('x.z', $message);
}
public function testMessageCounting()
{
$notifications = new Notification\Stack();
$notifications->addMessage(uniqid(), new Notification\Info(uniqid()));
$notifications->addMessage(uniqid(), new Notification\Info(uniqid()));
$notifications->addMessage(uniqid(), new Notification\Alert(uniqid()));
$notifications->addMessage(uniqid(), new Notification\Info(uniqid()));
$this->assertEquals(3, $notifications->count('info'));
$this->assertEquals(1, $notifications->count('danger'));
}