def test_will_not_eat_other_creatures(self):
tank = TestTank()
others = [
simfish.Snail(),
simfish.SunFish(),
simfish.DiverFish(),
simfish.PiranhaFish(),
simfish.ClockworkFish(),
]
tank.add_items_with(*others)
sun_fish = simfish.SunFish()
self.assertEqual(others, tank.items_with(sun_fish))
sun_fish.turn(tank)
self.assertEqual(others, tank.items_with(sun_fish))
def test_can_breathe(self):
tank = TestTank()
sun_fish = simfish.SunFish()
self.assertTrue(sun_fish.alive)
self.assertEqual(simfish.SunFish.ENERGY, sun_fish.energy)
sun_fish.turn(tank)
self.assertEqual(simfish.SunFish.ENERGY - 1, sun_fish.energy)
def test_will_eat_sun_fish(self):
tank = TestTank()
others = [simfish.SunFish()]
tank.add_items_with(*others)
piranha_fish = simfish.PiranhaFish()
self.assertEqual(others, tank.items_with(piranha_fish))
piranha_fish.turn(tank)
self.assertEqual(0, len(tank.items_with(piranha_fish)))
def test_will_eat_fish_food(self):
tank = TestTank()
others = [simfish.FishFood()]
tank.add_items_with(*others)
sun_fish = simfish.SunFish()
self.assertEqual(others, tank.items_with(sun_fish))
sun_fish.turn(tank)
self.assertEqual(0, len(tank.items_with(sun_fish)))
def test_will_only_eat_one_item_per_turn(self):
tank = TestTank()
others = [simfish.FishFood(), simfish.SunFish(), simfish.DiverFish()]
tank.add_items_with(*others)
piranha_fish = simfish.PiranhaFish()
for count in range(len(others), 0, -1):
self.assertEqual(count, len(tank.items_with(piranha_fish)))
piranha_fish.turn(tank)
self.assertEqual(0, len(tank.items_with(piranha_fish)))
def test_can_die(self):
tank = TestTank()
sun_fish = simfish.SunFish()
self.assertTrue(sun_fish.alive)
self.assertEqual(simfish.SunFish.ENERGY, sun_fish.energy)
for i in range(simfish.SunFish.ENERGY):
sun_fish.turn(tank)
self.assertEqual(0, sun_fish.energy)
self.assertFalse(sun_fish.alive)
def test_will_only_eat_one_fish_food_per_turn(self):
FOOD_COUNT = 10
tank = TestTank()
others = [simfish.FishFood()] * FOOD_COUNT
tank.add_items_with(*others)
sun_fish = simfish.SunFish()
for count in range(FOOD_COUNT, 0, -1):
self.assertEqual(count, len(tank.items_with(sun_fish)))
sun_fish.turn(tank)
self.assertEqual(0, len(tank.items_with(sun_fish)))
def test_will_float_when_dead(self):
tank = TestTank()
sun_fish = simfish.SunFish()
for i in range(simfish.SunFish.ENERGY):
sun_fish.turn(tank)
self.assertFalse(sun_fish.alive)
tank.reset_movement_record()
sun_fish.turn(tank)
self.assertEqual(sun_fish, tank.last_item_moved)
self.assertEqual(0, tank.total_dx)
self.assertEqual(-1, tank.total_dy)
def test_can_create(self):
sun_fish = simfish.SunFish()
self.assertTrue(sun_fish.alive)
self.assertEqual(simfish.SunFish.ENERGY, sun_fish.energy)
self.assertEqual(1, len(sun_fish.diet))
self.assertTrue(simfish.FishFood in sun_fish.diet)
