def test_will_birth(self, mocker):
"""Tests that the will_birth method works correctly.
The weights of herbivores and carnivores are set as needed to have the
correct return object from the will_birth method.
The mocker is used to give spesific values from random functions used
in the module.
"""
h = Herb()
c = Carn()
h.weight = 0
c.weight = 0
return_object_herb = h.will_birth(10)
return_object_carn = c.will_birth(10)
assert return_object_herb is None
assert return_object_carn is None
mocker.patch("random.uniform", return_value=0)
h = Herb()
c = Carn()
h.weight = 100
c.weight = 100
return_object_herb = h.will_birth(10000)
return_object_carn = c.will_birth(10000)
assert isinstance(return_object_herb, Herb)
assert isinstance(return_object_carn, Carn)
def test_will_birth(self, mocker):
h = Herb()
c = Carn()
h.weight = 0
c.weight = 0
return_object_herb = h.will_birth(10)
return_object_carn = c.will_birth(10)
assert return_object_herb is None
assert return_object_carn is None
mocker.patch('random.uniform', return_value=0)
h = Herb()
c = Carn()
h.weight = 100
c.weight = 100
return_object_herb = h.will_birth(10000)
return_object_carn = c.will_birth(10000)
assert isinstance(return_object_herb, Herb)
assert isinstance(return_object_carn, Carn)