def test_clonable_incubate():
clonable = Clonable()
number_to_clone = clonable.incubate(1)
assert number_to_clone == 1
def test_clonable_incubate_depends_on_time():
clonable = Clonable()
assert clonable.incubate(1) == 1
assert clonable.incubate(2) == 2
assert clonable.incubate(42) == 42
def test_clonable_incubate_depends_on_impact():
clonable = Clonable()
assert clonable.incubate(4, impact=0.25) == 1
def test_clonable_incubate_depends_on_fertility():
clonable = Clonable(fertility=0.5)
assert clonable.incubate(1) == 0
assert clonable.incubate(1) == 1
