def test_feed_raises_fitness(self):
"""Test to show that feed makes changes to fitness
"""
loc = (2, 7)
i = Island()
h = Herbivore(i, loc)
old_fitness = h.fitness
h.feed()
new_fitness = h.fitness
assert old_fitness < new_fitness
def test_feed_changes_fitness(self):
"""Test feed changes fitness
"""
loc = (2, 1)
i = Island()
i_sim = Herbivore(i, loc)
start_fitness = i_sim.fitness
i_sim.feed()
changed_fitness = i_sim.fitness
assert start_fitness != changed_fitness
