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