def test_peak(self):
queue = Queue()
queue.enqueue(1)
self.assertEqual(queue.peek(), 1)
queue.enqueue(2)
self.assertEqual(queue.peek(), 1)
queue.enqueue(13)
self.assertEqual(queue.peek(), 1)
queue.dequeue()
self.assertEqual(queue.peek(), 2)
def test_queue(self):
q = Queue(1)
q.enqueue(2)
q.enqueue(3)
assert q.peek() == 1
assert q.dequeue() == 1
q.enqueue(4)
assert q.dequeue() == 2
assert q.dequeue() == 3
assert q.dequeue() == 4
q.enqueue(5)
assert q.peek() == 5
