def test_eaten_enough():
"""Test that a carnivore won't eat if its parameter ['F'] is 0."""
carn = Carnivore(5, 20)
carn_weight = carn.weight
herbs = [Herbivore(6, 20), Herbivore(6, 20), Herbivore(6, 20)]
carn.set_params({"F": 0})
assert carn.eat(herbs)
assert carn.weight == carn_weight
def test_eat_if_deltaphimax_low(mocker):
"""Test that if DeltaPhiMax parameter is lower than the difference in fitness, the carnivore
eats"""
mocker.patch("numpy.random.random", return_value=0)
carn = Carnivore(5, 20)
herb = [Herbivore(6, 20)]
carn.set_params({"DeltaPhiMax": 0.0001})
carn.eat(herb)
assert carn.weight != 20
assert carn.weight == 35
def set_animal_parameters(species, params):
"""Set parameters for animal species.
Parameters
----------
species : str
String, name of animal species
params : dict
Dict with valid parameter specification for species
"""
if species == "Herbivore":
Herbivore.set_params(params)
elif species == "Carnivore":
Carnivore.set_params(params)
def test_set_animal_parameters():
"""Sets default parameters to animals for the tests"""
Herbivore.set_params(
{
"w_birth": 8.0,
"sigma_birth": 1.5,
"beta": 0.9,
"eta": 0.05,
"a_half": 40.0,
"phi_age": 0.6,
"w_half": 10.0,
"phi_weight": 0.1,
"mu": 0.25,
"gamma": 0.2,
"zeta": 3.5,
"xi": 1.2,
"omega": 0.4,
"F": 10.0,
}
)
Carnivore.set_params(
{
"w_birth": 6.0,
"sigma_birth": 1.0,
"beta": 0.75,
"eta": 0.125,
"a_half": 40.0,
"phi_age": 0.3,
"w_half": 4.0,
"phi_weight": 0.4,
"mu": 0.4,
"gamma": 0.8,
"zeta": 3.5,
"xi": 1.1,
"omega": 0.8,
"F": 50.0,
"DeltaPhiMax": 10.0,
}
)
def test_eat_carnivore() -> None:
c = Carnivore()
h = Herbivore()
c.set_params({'DeltaPhiMax': 0})
c.p_eat(c.get_fitness(), h.get_fitness(), c.params['DeltaPhiMax'])
