def test_feed_herb(self):
lowland = Lowland()
lowland.present_herbivores.append(Herbivore())
lowland.available_fodder = 15
lowland.feed_herb()
assert lowland.available_fodder == 5
lowland.available_fodder = 8
lowland.feed_herb()
assert lowland.available_fodder == 0
def test_grow(self):
lowland = Lowland()
lowland.available_fodder = 3
assert lowland.get_fodder() == 3
lowland.fodder_regrow()
assert lowland.get_fodder() == 800