def test_dequeue_two_cats():
shelter = AnimalShelter()
shelter.enqueue('cat')
shelter.enqueue('cat')
shelter.dequeue('cat')
shelter.dequeue('cat')
assert not shelter.cats.front and not shelter.cats.rear
def test_dequeue_dog():
shelter1 = AnimalShelter('shelter1')
dog1 = Dog('dog1')
dog2 = Dog('dog2')
shelter1.enqueue(dog1)
shelter1.enqueue(dog2)
assert shelter1.dequeue('dog').name == 'dog1'
def test_dequeue_two_dogs():
shelter = AnimalShelter()
shelter.enqueue('dog')
shelter.enqueue('dog')
shelter.dequeue('dog')
shelter.dequeue('dog')
assert not shelter.dogs.front and not shelter.dogs.rear
def test_enqueue_dog():
shelter1 = AnimalShelter('shelter1')
dog1 = Dog('dog1')
dog2 = Dog('dog2')
shelter1.enqueue(dog1)
shelter1.enqueue(dog2)
assert shelter1
def test_returns_none_if_no_preference():
q = AnimalShelter()
q.enqueue("dog")
q.enqueue("cat")
q.enqueue("dog")
actual = q.dequeue()
expected = None
assert actual == expected
def test_shelter_enq_deq():
shelter = AnimalShelter()
shelter.enqueue(Animal(AnimalType.CAT))
animal = shelter.dequeue()
expected = '{"animaltype": 1}'
actual = animal.serialize()
assert actual == expected
def test_AnimalShelter_enqueue_multiple():
animal_queue = AnimalShelter()
animal_queue.enqueue(Cat())
animal_queue.enqueue(Cat())
animal_queue.enqueue(Dog())
expected = Cat()
actual = animal_queue.peek()
assert actual == expected
def test_dequeue_returns_prefered_cat():
q = AnimalShelter()
q.enqueue("dog")
q.enqueue("cat")
q.enqueue("dog")
actual = q.dequeue("cat")
expected = 'cat'
assert actual == expected
def test_if_dog_dequeue():
animal = AnimalShelter()
animal.enqueue("cat")
animal.enqueue("dog")
animal.enqueue("cat")
actual = animal.dequeue("dog")
expected = "dog"
assert actual == expected
def test_enqueue_cat():
a = AnimalShelter()
a.enqueue("dog")
a.enqueue("dog")
a.enqueue("cat")
a.enqueue("cat")
actual = a.cat_shelter.peek()
expected = "cat"
assert actual == expected
def test_enqueue_nodog():
a = AnimalShelter()
a.enqueue("dog")
a.enqueue("dog")
# a.enqueue("cat")
# a.enqueue("cat")
actual = a.cat_shelter.peek()
expected = 'empty queue'
assert actual == expected
def test_dequeue_dog():
a = AnimalShelter()
a.enqueue("dog")
a.enqueue("dog")
a.enqueue("cat")
a.enqueue("cat")
actual = a.dequeue("cat")
expected = "cat"
assert actual == expected
def test_dequeue_pin():
a = AnimalShelter()
a.enqueue("dog")
a.enqueue("dog")
a.enqueue("cat")
a.enqueue("cat")
actual = a.dequeue("pineapple")
expected = None
assert actual == expected
def test_dequeue_cat():
shelter1 = AnimalShelter('shelter1')
cat1 = Cat('cat1')
cat2 = Cat('cat2')
cat3 = Cat('cat3')
shelter1.enqueue(cat1)
shelter1.enqueue(cat2)
shelter1.enqueue(cat3)
assert shelter1.dequeue('cat').name == 'cat1'
def test_shelter_deq_pref_notfound():
shelter = AnimalShelter()
# Inc 10 (ALTERNATING)
shelter.enqueue(Animal(AnimalType.CAT))
shelter.enqueue(Animal(AnimalType.CAT))
shelter.enqueue(Animal(AnimalType.CAT))
actual = shelter.dequeue(AnimalType.DOG)
expected = None
assert actual == expected
def test_enqueue_cats_and_dogs():
shelter2 = AnimalShelter('shelter2')
dog1 = Dog('dog1')
cat1 = Cat('cat1')
dog2 = Dog('dog2')
cat2 = Cat('cat2')
shelter2.enqueue(dog1)
shelter2.enqueue(cat1)
shelter2.enqueue(dog2)
shelter2.enqueue(cat2)
assert shelter2
def helper_shelter_enq10():
shelter = AnimalShelter()
# Inc 10 (ALTERNATING)
shelter.enqueue(Animal(AnimalType.CAT))
shelter.enqueue(Animal(AnimalType.DOG))
shelter.enqueue(Animal(AnimalType.CAT))
shelter.enqueue(Animal(AnimalType.DOG))
shelter.enqueue(Animal(AnimalType.CAT))
shelter.enqueue(Animal(AnimalType.DOG))
shelter.enqueue(Animal(AnimalType.CAT))
shelter.enqueue(Animal(AnimalType.DOG))
shelter.enqueue(Animal(AnimalType.CAT))
shelter.enqueue(Animal(AnimalType.DOG))
return shelter
def test_shelter_enqueue():
shelter = AnimalShelter()
shelter.enqueue(Cat("1"))
assert shelter.queue1.front.value == "1"
assert shelter.queue1.rear.value == "1"
shelter.enqueue(Dog("2"))
assert shelter.queue1.rear.value == "2"
shelter.enqueue(Cat("3"))
assert shelter.queue1.rear.value == "3"
shelter.enqueue(Dog("4"))
assert shelter.queue1.rear.value == "4"
assert shelter.queue1.front.value == "1"
def test_enqueue_many_to_animal_shelter():
new_shelter = AnimalShelter()
new_shelter.enqueue('dog')
new_shelter.enqueue('cat')
new_shelter.enqueue('cat')
new_shelter.enqueue('cat')
new_shelter.enqueue('cat')
assert new_shelter.front.name == 'Ima dog'
def test_dequeue_cat_from_shelter_of_many():
new_shelter = AnimalShelter()
new_shelter.enqueue('dog')
new_shelter.enqueue('cat')
new_shelter.enqueue('cat')
new_shelter.enqueue('cat')
new_shelter.enqueue('cat')
new_shelter.enqueue('dog')
assert new_shelter.dequeue('cat').name == 'Ima cat'
def test_dequeue_first_from_shelter_no_preference():
new_shelter = AnimalShelter()
new_shelter.enqueue('dog')
new_shelter.enqueue('cat')
new_shelter.enqueue('cat')
new_shelter.enqueue('cat')
new_shelter.enqueue('cat')
new_shelter.enqueue('dog')
assert new_shelter.dequeue().name == 'Ima dog'
assert new_shelter.front.name == 'Ima cat'
def test_shelter_enqueue():
shelter = AnimalShelter()
shelter.enqueue(Cat('1'))
assert shelter.cats.front.name == '1'
assert shelter.cats.rear.name == '1'
shelter.enqueue(Dog('2'))
assert shelter.dogs.rear.name == '2'
shelter.enqueue(Cat('3'))
assert shelter.cats.rear.name == '3'
assert shelter.cats.front.name == '1'
def test_shelter_deq_pref_found():
shelter = AnimalShelter()
# Inc 10 (ALTERNATING)
shelter.enqueue(Animal(AnimalType.CAT))
shelter.enqueue(Animal(AnimalType.CAT))
shelter.enqueue(Animal(AnimalType.CAT))
shelter.enqueue(Animal(AnimalType.DOG))
shelter.enqueue(Animal(AnimalType.DOG))
animal = shelter.dequeue(AnimalType.DOG)
actual = animal.serialize()
expected = '{"animaltype": 2}'
assert actual == expected
def test_shelter_dequeue():
shelter = AnimalShelter()
shelter.enqueue(Cat("1"))
shelter.enqueue(Dog("2"))
shelter.enqueue(Cat("3"))
shelter.enqueue(Cat("a"))
shelter.enqueue(Dog("4"))
pet_adopted = shelter.dequeue('cat')
assert pet_adopted.type == 'cat'
assert pet_adopted.value == '1'
pet_adopted = shelter.dequeue('cat')
assert pet_adopted.type == 'cat'
assert pet_adopted.value == '3'
pet_adopted = shelter.dequeue('dog')
assert shelter.queue1.front.value == "a"
assert pet_adopted.type == 'dog'
assert pet_adopted.value == '2'
def test_shelter_dequeue():
shelter = AnimalShelter()
shelter.enqueue(Cat('1'))
shelter.enqueue(Dog('2'))
shelter.enqueue(Cat('3'))
shelter.enqueue(Cat('4'))
shelter.enqueue(Dog('5'))
taken = shelter.dequeue('cat')
assert taken.type == 'cat'
assert taken.name == '1'
taken = shelter.dequeue('cat')
assert taken.type == 'cat'
assert taken.name == '3'
taken = shelter.dequeue('dog')
assert taken.type == 'dog'
assert taken.name == '2'
assert shelter.dogs.front.name == '5'
def test_enqueue_cat():
q = AnimalShelter()
q.enqueue("cat")
actual = q.cats.peek()
expected = "cat"
assert actual == expected
def test_if_dog_enqueue():
animal = AnimalShelter()
animal.enqueue("dog")
assert animal.dog_queue.front
def test_enqueue_dog():
q = AnimalShelter()
q.enqueue("dog")
actual = q.dogs.peek()
expected = "dog"
assert actual == expected
def test_enqueue_dog_does_not_put_cats_in_dog_queue():
q = AnimalShelter()
q.enqueue("cat")
actual = q.dogs.is_empty()
expected = True
assert actual == expected
def test_enqueue_cat_does_not_put_dogs_in_cat_queue():
q = AnimalShelter()
q.enqueue("dog")
actual = q.cats.is_empty()
expected = True
assert actual == expected