def test_dequeue(): pass q = Queue() q.enqueue("dog") q.dequeue() actual = q.is_empty expected = True
def test_peek(): q = Queue() q.enqueue("one") q.enqueue("two") q.enqueue("three") q.dequeue() q.dequeue() actual = q.peek() expected = "three" assert actual == expected
def test_dequeue_multiple(): q = Queue() q.enqueue("one") q.enqueue("two") q.enqueue("three") q.enqueue("four") q.dequeue() actual = q.front.val expected = "two" assert actual == expected
def test_dequeue_three(): shelter = Queue() shelter.enqueue({'type': 'dog', 'name': 'fido'}) shelter.enqueue({'type': 'cat', 'name': 'mittens'}) shelter.enqueue({'type': 'dog', 'name': 'bud'}) # import pdb; pdb.set_trace() assert shelter.dequeue('cat') == 'mittens' assert shelter.dequeue('dog') == 'fido' assert shelter.dequeue('dog') == 'bud'
def test_dequeue_one(): shelter = Queue() shelter.enqueue({'type': 'dog', 'name': 'fido'}) shelter.enqueue({'type': 'cat', 'name': 'mittens'}) shelter.enqueue({'type': 'dog', 'name': 'bud'}) assert shelter.dequeue('cat') == 'mittens'
def test_dequeue_missing_cat(): shelter = Queue() shelter.enqueue("dog") shelter.enqueue("dog") shelter.enqueue("dog") shelter.enqueue("dog") actual = shelter.dequeue("cat") expected = "Null" assert actual == expected
def test_dequeue_invalid_preference(): shelter = Queue() shelter.enqueue("dog") shelter.enqueue("dog") shelter.enqueue("dog") shelter.enqueue("dog") actual = shelter.dequeue("pig") expected = "Null" assert actual == expected
def test_dequeue_from_empty(): shelter = Queue() actual = shelter.dequeue("cat") expected = "No animals available" assert actual == expected