def test_false_when_prob_of_killing_is_zero(self, example_properties):
"""
Asserts that kill method returns False when prob_kill is zero.
"""
herbivore = Herbivore(example_properties)
carnivore = Carnivore(example_properties)
herbivore.find_fitness()
carnivore.fitness = 0.5
assert carnivore.kill(herbivore) is False
def test_feeding_carnivore_appetite(self):
"""
Test for a fit carnivore's feeding method, with low appetite.
Returns
-------
"""
c1 = Carnivore(1, 20)
c1.fitness = 1
c1.set_parameters({'DeltaPhiMax': 1.00001, 'F': 10.0})
j1 = Jungle()
j1.add_herbivore(5,20)
j1.herbivores[0].fitness = 0
boolean = c1.feeding(j1.herbivores)
c1.set_parameters({'DeltaPhiMax': 10.0, 'F': 50.0}) # default-value
assert c1.weight == 27.5
assert boolean == [False]
def test_feeding_carnivore_unfit(self):
"""
Test for carnivore feeding method, with unfit carnivore.
Returns
-------
"""
c1 = Carnivore(1, 20)
c1.fitness = 0.0001
c1.set_parameters({'DeltaPhiMax': 1.00001})
j1 = Jungle()
j1.add_herbivore(5,10)
j1.herbivores[0].fitness = 1
boolean = c1.feeding(j1.herbivores)
c1.set_parameters({'DeltaPhiMax': 10.0}) # default-value
assert c1.weight == 20
assert boolean == [True]
