def test_correct_prob_of_birth(self, example_properties_w_40):
"""
Asserts that prob_give_birth calculates the correct probability of
giving birth.
"""
animal = Animal(example_properties_w_40)
animal.find_fitness()
assert animal.prob_give_birth(num_animals=6) == 1
def test_prob_of_birth_if_weight_less_than_limit(self,
example_properties_w_20):
"""
Asserts that prob_give_birth returns a probability of zero if the
mothers weight is less than the given limit.
"""
animal = Animal(example_properties_w_20)
animal.find_fitness()
assert animal.prob_give_birth(num_animals=6) == 0
def test_prob_of_birth_with_one_animal_in_cell(self,
example_properties_w_20):
"""
Asserts that if there is only one animal in the cell, then the
prob_give_birth method returns a probability of zero.
"""
animal = Animal(example_properties_w_20)
animal.find_fitness()
assert animal.prob_give_birth(num_animals=1) == 0