def test_size_with_remove():
queue = Queue()
queue.insert("Bacon", 1)
queue.insert("Beer", 7)
queue.insert("Cow", 5)
queue.insert("Whiskey", 2)
queue.pop()
assert queue.size() == 3
def test_peek_2():
queue = Queue()
queue.insert("Cabbage", 5)
queue.insert("mayo", 88)
queue.insert("Slaw", 4)
queue.insert("Village People", 7)
queue.insert("Coffee", 1)
assert queue.peek() == "Coffee"
queue.pop()
assert queue.peek() == ("Slaw")
def test_pop_multi():
queue = Queue()
queue.insert("Pickles", 3)
queue.insert("Apples", 10)
queue.insert("lemons", 14)
queue.insert("human", 1)
queue.insert("pineapple", 7)
assert queue.pop() == "human"
assert queue.pop() == "Pickles"
assert queue.pop() == "pineapple"
assert queue.size() == 2
def test_dequeue_multi():
queue = Queue()
queue.insert("Bacon", 1)
queue.insert("Beer", 5)
assert queue.pop() == "Bacon"
assert queue.first_item.val == "Beer"
assert queue.size() == 1
def test_dequeue():
queue = Queue()
queue.insert("Bacon", 1)
assert queue.pop() == "Bacon"
assert queue.size() == 0
def test_dequeue_empty():
queue = Queue()
with pytest.raises(ValueError):
queue.pop()