public function testConsumeIteratesOverAllMessages()
{
$queue = 'foobar';
$message = $this->createMock(MessageInterface::class);
$iterator = new TestIterator([$message, $message]);
$this->backendProvider->expects($this->any())->method('getBackend')->with($queue)->willReturn($this->backend);
$this->backend->expects($this->any())->method('getIterator')->willReturn($iterator);
$this->backend->expects($this->exactly(2))->method('handle');
// the $iterator does not pop elements so we have to make sure ->tick() does not iterate over the same array multiple times
$this->subject->consume($queue, ['stop-when-empty' => true]);
}
