def test_breed(self):
client = SimulationClient('sqlite:///:memory:')
grid = SimulationGrid(persistence=client,
simulation_parameters=sim_config_empty)
a_list = [(Animal.Fish, SquareGridCoordinate(x=1, y=1)),
(Animal.Fish, SquareGridCoordinate(x=2, y=1)),
(Animal.Fish, SquareGridCoordinate(x=3, y=1)),
(Animal.Fish, SquareGridCoordinate(x=1, y=3)),
(Animal.Fish, SquareGridCoordinate(x=3, y=2)),
(Animal.Shark, SquareGridCoordinate(x=2, y=2))]
# adding some food and a shark
for t, c in a_list:
client.init_animal(sim_id=grid._sid,
current_turn=0,
animal_type=t,
coordinate=c)
# updating grid turn
grid._sim_turn = 4
shark_update = grid._eat()
assert len(shark_update) == 1, 'Shark should have fed'
breed_moved = grid._breed_and_move(fed_sharks=shark_update)
assert len(
breed_moved
) == 5, '4 fishes and one shark should have moved due to breeding'
assert len(breed_moved) == (len(a_list) - 1)
grid_df = grid.get_simulation_grid_data()
assert len(grid_df[grid_df['animal_type'] ==
Animal.Shark]) == 2, 'Should be 2 Sharks'
assert len(grid_df[grid_df['animal_type'] ==
Animal.Fish]) == 8, 'Should be 8 fishes'
def test_starving(self):
client = SimulationClient('sqlite:///:memory:')
grid = SimulationGrid(persistence=client,
simulation_parameters=sim_config)
turn_to_starve = sim_config['shark_starving']
# set turn to more...
grid._sim_turn = turn_to_starve + 1
grid._check_deads()
assert len(
grid._persistence.get_animals_by_type(grid._sid,
Animal.Shark)) == 0
def test_topology_agnostic_eating(self):
'''
Check the topology-agnostic behavior, i.e. that the shark from one corner
will eat the fish from the opposite corner
'''
# set fish breeding probability to 0
sim_config_empty_local = copy.deepcopy(sim_config_empty)
sim_config_empty_local['fish_breed_probability'] = 0
client = SimulationClient('sqlite:///:memory:')
grid = SimulationGrid(persistence=client,
simulation_parameters=sim_config_empty_local)
a_list = [(Animal.Fish, SquareGridCoordinate(x=0, y=0)),
(Animal.Shark, SquareGridCoordinate(x=9, y=9))]
# adding some food and a shark
for t, c in a_list:
client.init_animal(sim_id=grid._sid,
current_turn=0,
animal_type=t,
coordinate=c)
# updating grid turn
grid._sim_turn = 6
# AM: the latest two rows to allow optimized 'occupied coordinates' check
grid.animals = grid.get_simulation_grid_data()
grid.occupied_coord = set(
zip(grid.animals.coord_x, grid.animals.coord_y))
shark_update = grid._eat()
# shark has eaten
shark = grid._persistence.get_animals_by_type(
sim_id=grid._sid, animal_type=Animal.Shark).iloc[0]
# the shark is in update list
assert len(
shark_update) == 1, 'There should be one shark in update list'
assert shark.last_fed == 6, 'Shark last fed value should have updated'
assert shark_update[shark.oid] == SquareGridCoordinate(
x=9, y=9), 'Shark previous coordinate in shark update'
# Fish is dead
animal_in_square = client.get_animal_in_position(
sim_id=grid._sid,
coordinate=SquareGridCoordinate(int(shark.coord_x),
int(shark.coord_y)),
live_only=False)
assert len(
animal_in_square) == 2, 'there shoud be two animals in that square'
# check that there is no fish
fish = grid._persistence.get_animals_by_type(sim_id=grid._sid,
animal_type=Animal.Fish)
assert len(
fish
) == 0, 'there should be no fish alive' # there is no fish (since we put 0 breeding probability)
def test_eating(self):
client = SimulationClient('sqlite:///:memory:')
grid = SimulationGrid(persistence=client,
simulation_parameters=sim_config_empty)
a_list = [(Animal.Fish, SquareGridCoordinate(x=1, y=1)),
(Animal.Fish, SquareGridCoordinate(x=2, y=1)),
(Animal.Fish, SquareGridCoordinate(x=3, y=1)),
(Animal.Fish, SquareGridCoordinate(x=1, y=3)),
(Animal.Fish, SquareGridCoordinate(x=3, y=2)),
(Animal.Shark, SquareGridCoordinate(x=2, y=2))]
# adding some food and a shark
for t, c in a_list:
client.init_animal(sim_id=grid._sid,
current_turn=0,
animal_type=t,
coordinate=c)
# updating grid turn
grid._sim_turn = 4
# AM: the next two rows are to allow optimized 'occupied coordinates' check
grid.animals = grid.get_simulation_grid_data()
grid.occupied_coord = set(
zip(grid.animals.coord_x, grid.animals.coord_y))
shark_update = grid._eat()
# shark has eaten
shark = grid._persistence.get_animals_by_type(
sim_id=grid._sid, animal_type=Animal.Shark).iloc[0]
# the shark is in update list
assert len(
shark_update) == 1, 'There should be one shark in update list'
assert shark.last_fed == 4, 'Shark last fed value should have updated'
assert shark_update[shark.oid] == SquareGridCoordinate(
x=2, y=2), 'Shark previous coordinate in shark update'
# Fish is dead
animal_in_square = client.get_animal_in_position(
sim_id=grid._sid,
coordinate=SquareGridCoordinate(int(shark.coord_x),
int(shark.coord_y)),
live_only=False)
assert len(
animal_in_square) == 2, 'there shoud be two animals in that square'
def test_starving(self):
client = SimulationClient('sqlite:///:memory:')
grid = SimulationGrid(persistence=client,
simulation_parameters=sim_config)
turn_to_starve = sim_config['shark_starving']
# set turn to more...
grid._sim_turn = turn_to_starve + 1
grid._check_deads()
assert len(
grid._persistence.get_animals_by_type(grid._sid,
Animal.Shark)) == 0
# amend this test by adding further checks
# after the first turn we should have killed the sharks
with pytest.raises(EndOfSimulatioError):
grid.check_simulation_ends()
with pytest.raises(EndOfSimulatioError):
grid._check_deads()
with pytest.raises(EndOfSimulatioError):
grid.play_turn()