def test_regrowth_to_maximum(self, example_pop_herb):
"""
Asserts that amount of fodder is equal to f_max after each year.
"""
landscape = Landscape(example_pop_herb)
landscape.regrowth()
assert landscape.fodder_amount == landscape.params["f_max"]
def test_amount_returned_when_enough_fodder_is_available_to_herb(
self, example_pop_herb):
"""
Tests available_fodder_herbivore method.
Asserts that a herbivore is provided with the amount it desires, when
enough fodder is available.
Also asserts that the amount of fodder
provided is subtracted from the initial fodder amount.
"""
landscape = Landscape(example_pop_herb)
landscape.regrowth()
old_fodder_amount = landscape.fodder_amount
available_fodder_to_herb = landscape.available_fodder_herbivore()
assert available_fodder_to_herb == Herbivore.params["F"]
assert landscape.fodder_amount == old_fodder_amount - \
available_fodder_to_herb