def test_aging_adds_1_year_to_all_animals(self):
"""Test to show that aging adds a year to every animal on every
location
"""
i = Island()
cycle = AnnualCycle(i)
loc_1 = (2, 7)
loc_2 = (2, 8)
h_1 = Carnivore(i, loc_1, weight=100, age=0)
h_2 = Carnivore(i, loc_1, weight=100, age=0)
h_3 = Herbivore(i, loc_2, weight=100, age=0)
h_4 = Herbivore(i, loc_2, weight=100, age=0)
a_list = [h_1, h_2, h_3, h_4]
cycle.aging()
for animal in a_list:
assert animal.age == 1
def test_migration_moves_all_animals(self, mocker_1, mocker_2):
"""Test to show that migration moves all animals for all locations
"""
mocker_1.return_value = True
mocker_2.return_value = True
geogr = """\
OOOO
OJJO
OOOO"""
i = Island(geogr)
cycle = AnnualCycle(i)
old_loc = (1, 1)
new_loc = (1, 2)
h = Herbivore(i, old_loc)
c = Carnivore(i, old_loc)
cycle.migration()
assert h.get_loc() == new_loc
assert c.get_loc() == new_loc
def test_carn_feeding_changes_weight_for_all_carns(self, mocker):
"""Test to show that carn_feeding changes weight for all Carnivores on
all locations
"""
mocker.patch('random.random', return_value=0)
i = Island()
cycle = AnnualCycle(i)
loc_1 = (2, 7)
loc_2 = (2, 9)
c_1 = Carnivore(i, loc_1, weight=100)
c_2 = Carnivore(i, loc_2, weight=100)
h_1 = Herbivore(i, loc_1, weight=10)
h_2 = Herbivore(i, loc_2, weight=10)
old_weight_1 = c_1.weight
old_weight_2 = c_2.weight
cycle.carn_feeding()
new_weight_1 = c_1.weight
new_weight_2 = c_2.weight
assert old_weight_1 < new_weight_1
assert old_weight_2 < new_weight_2
def test_procreation_all_adds_all_pop(self, mocker):
"""Test to show that procreation_all adds instances of both
Carnivore and Herbivore for all locations.
"""
mocker.patch('random.random', return_value=0)
i = Island()
cycle = AnnualCycle(i)
loc_1 = (2, 7)
loc_2 = (2, 8)
h_1 = Carnivore(i, loc_1, weight=100)
h_2 = Carnivore(i, loc_1, weight=100)
h_3 = Herbivore(i, loc_2, weight=100)
h_4 = Herbivore(i, loc_2, weight=100)
old_num_loc_1 = i.get_num_carn_on_loc(loc_1)
old_num_loc_2 = i.get_num_herb_on_loc(loc_2)
cycle.procreation_all()
new_num_loc_1 = i.get_num_carn_on_loc(loc_1)
new_num_loc_2 = i.get_num_herb_on_loc(loc_2)
assert old_num_loc_1 < new_num_loc_1
assert old_num_loc_2 < new_num_loc_2
def test_procreation_carn_adds_carn_pop(self, mocker):
"""Test to show that procreation_carn adds a Carnivore instance
for every location needed.
"""
mocker.patch('random.random', return_value=0)
i = Island()
cycle = AnnualCycle(i)
loc_1 = (2, 7)
loc_2 = (2, 8)
h_1 = Carnivore(i, loc_1, weight=100)
h_2 = Carnivore(i, loc_1, weight=100)
h_3 = Carnivore(i, loc_2, weight=100)
h_4 = Carnivore(i, loc_2, weight=100)
old_num_loc_1 = i.get_num_carn_on_loc(loc_1)
old_num_loc_2 = i.get_num_carn_on_loc(loc_2)
cycle.procreation_carn()
new_num_loc_1 = i.get_num_carn_on_loc(loc_1)
new_num_loc_2 = i.get_num_carn_on_loc(loc_2)
assert old_num_loc_1 < new_num_loc_1
assert old_num_loc_2 < new_num_loc_2
def test_animal_death_removes_all_dead_animals(self, mocker):
"""Test to show that death removes all dead animals from all locations
"""
mocker.patch('random.random', return_value=0)
i = Island()
cycle = AnnualCycle(i)
loc_1 = (2, 7)
loc_2 = (2, 8)
c_1 = Carnivore(i, loc_1, weight=100)
h_1 = Herbivore(i, loc_2, weight=100)
old_herb_count = i.get_num_herb_on_loc(loc_2)
old_carn_count = i.get_num_carn_on_loc(loc_1)
cycle.animal_death()
assert i.get_num_herb_on_loc(loc_2) < old_herb_count
assert i.get_num_carn_on_loc(loc_1) < old_carn_count
def test_weight_loss_changes_for_all_animals(self, mocker):
"""Test to show that weight_loss changes weight for all animals
on all locations.
"""
mocker.patch('random.random', return_value=0)
i = Island()
cycle = AnnualCycle(i)
loc_1 = (2, 7)
loc_2 = (2, 8)
c_1 = Carnivore(i, loc_1, weight=100)
h_1 = Herbivore(i, loc_2, weight=100)
old_weight_1 = c_1.weight
old_weight_2 = h_1.weight
cycle.weight_loss()
assert c_1.weight < old_weight_1
assert h_1.weight < old_weight_2