/**
* Test what happens if no worker is free
* @return void
* @author Andraz <*****@*****.**>
*/
public function testGetWaitingTaskAndNoFreeWorker()
{
$worker = \Mockery::mock('Queue\\Worker');
$worker->shouldReceive('getType')->once()->andReturn('fibonacci');
$worker->shouldReceive('isBusy')->once()->andReturn(true);
$task = \Mockery::mock('Queue\\Task');
$task->shouldReceive('isWaiting')->once()->andReturn(true);
$task->shouldReceive('getName')->once()->andReturn('fibonacci');
$storage = \Mockery::mock('Queue\\SqlStorage');
$storage->shouldReceive('getTasks')->once()->andReturn([$task]);
$storage->shouldReceive('getWorkers')->once()->andReturn([$worker]);
$manager = new Manager($storage, $task);
list($actualTask, $actualWorker) = $manager->getWaitingTaskAndFreeWorker();
$this->assertNull($actualTask);
$this->assertNull($actualWorker);
}