def test_dequeue_first_object():
animals = AnimalShelter()
animals.enqueue('Cherry', 'cat')
animals.enqueue('Oscar', 'dog')
animals.enqueue('Bobi', 'dog')
animals.dequeue('Cat')
expected = 'Front -> Oscar -> Bobi -> Rear'
actual = animals.__str__()
assert actual == expected
def test_dequeue_works_correctly_there_is_dogs_and_cats():
new_shelter = AnimalShelter()
new_shelter.enqueue('Oscar', 'dog')
new_shelter.enqueue('Sherry', 'cat')
actual = new_shelter.dequeue('dog')
expected = 'Oscar'
assert expected == actual
def test_dequeue_and_enqueue():
mylo = Dog('mylo')
reixy = Dog('mylo')
luna = Dog('luna')
kitty = Cat('kitty')
lily = Cat('lily')
a = AnimalShelter()
a.enqueue(mylo)
a.enqueue(reixy)
a.enqueue(luna)
a.enqueue(kitty)
a.enqueue(lily)
assert a.dequeue('cat') == 'kitty'
assert a.dequeue('cat') == 'lily'
assert a.dequeue('dog') == 'mylo'
assert a.dequeue('dog') == 'mylo'
assert a.dequeue('dog') == 'luna'
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_dequeue_any():
animals = AnimalShelter()
aln = Dog('Aln')
Sherry = Cat('Sherry')
animals.enqueue(aln)
animals.enqueue(Sherry)
expected = None
actual = animals.dequeue('any')
assert expected == actual
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_dequeue_cat():
animals = AnimalShelter()
alex = Dog('alex')
aln = Dog('Aln')
Sherry = Cat('Sherry')
Semsem = Cat('Semsem')
animals.enqueue(alex)
animals.enqueue(aln)
animals.enqueue(Sherry)
animals.enqueue(Semsem)
expected = 'Sherry'
actual = animals.dequeue('cat')
assert expected == actual
def test_dequeue_to_a_value_other_than_cat_or_dog():
new_shelter = AnimalShelter()
actual = new_shelter.dequeue('potato')
expected = None
assert expected == actual
def test_dequeue_from_empty_shelter():
new_shelter = AnimalShelter()
assert new_shelter.dequeue('dog') == None
def test_dequeue_one_animal_from_shelter():
new_shelter = AnimalShelter()
new_shelter.enqueue('dog')
assert new_shelter.dequeue('dog').name == 'Ima dog'
assert new_shelter.front == None
def test_dequeue_None():
animals = AnimalShelter()
expected = 'The queue is empty'
actual = animals.dequeue('cat')
assert actual == expected
def test_shelter_dequeue_capital():
shelter = AnimalShelter()
shelter.enqueue(Cat("1"))
shelter.enqueue(Dog("2"))
pet_adopted = shelter.dequeue('Dog')
assert pet_adopted.value == '2'
def test_shelter_dequeue_not_in_list2():
shelter = AnimalShelter()
shelter.enqueue(Cat("1"))
shelter.enqueue(Dog("2"))
pet_adopted = shelter.dequeue('parrot')
assert pet_adopted == None
def test_shelter_dequeue_empty():
shelter = AnimalShelter()
pet_adopted = shelter.dequeue('dog')
assert pet_adopted == None