def test_apply_on_boundary(self):
state = GridWorld(10, 10)
state.add_agent(Agent(9, 0))
next_state = MoveRight().apply(state)
self.assertEqual(1, next_state.step)
self.assertEqual(9, next_state.agent.x)
def test_apply_boundary(self):
state = GridWorld(10, 10)
state.add_agent(Agent(0, 9))
next_state = MoveUp().apply(state)
self.assertEqual(1, next_state.step)
self.assertEqual(9, next_state.agent.y)
def test_apply(self):
state = GridWorld(10, 10)
state.add_agent(Agent(0, 5))
next_state = MoveDown().apply(state)
self.assertEqual(1, next_state.step)
self.assertEqual(4, next_state.agent.y)
def test_encode_with_treasure_position_layer(self):
state = GridWorld(4, 4)
state.add_object(Treasure(2, 3))
encoder = OneHotEncoder(4, 4, agent_position=False, treasure_position=True)
expected = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0]
assert_array_equal(expected, encoder.encode(state))
def test_init(self):
world = GridWorld(10, 10)
self.assertEqual(0, world.step)
self.assertEqual(10, world.width)
self.assertEqual(10, world.height)
self.assertIsNone(world.agent)
self.assertEqual(0, len(world.get_objects()))
self.assertEqual(0, len(world.get_object_types()))
def test_encode_state_with_agent_position_layer(self):
state = GridWorld(4, 4)
state.add_agent(Agent(0, 0))
encoder = LayerEncoder(4, 4, agent_position=True, treasure_position=False)
expected = [[[1, 0, 0, 0],
[0, 0, 0, 0],
[0, 0, 0, 0],
[0, 0, 0, 0]]]
assert_array_equal(expected, encoder.encode(state))
def generate_grid_world(self):
grid_world = GridWorld(self.width, self.height)
if self.treasure_position:
grid_world.add_object(Treasure(*self.treasure_position))
else:
grid_world.add_object(
Treasure(*grid_world.get_random_free_position()))
grid_world.add_agent(Agent(*grid_world.get_random_free_position()))
return grid_world
def test_next_step(self):
world = GridWorld(10, 10)
world.add_agent(Agent(0, 0))
world.add_object(Treasure(8, 8))
world.next_step()
self.assertEqual(1, world.step)
def test_add_treasure(self):
world = GridWorld(10, 10)
world.add_object(Treasure(8, 8))
self.assertEqual(1, len(world.get_objects()))
self.assertListEqual([Treasure], world.get_object_types())
self.assertEqual(1, len(world.get_objects_by_type(Treasure)))
def test_agent_is_at_treasure(self):
world = GridWorld(10, 10)
world.add_agent(Agent(0, 0))
world.add_object(Treasure(8, 8))
self.assertFalse(world.agent.is_at_any_object(world.get_objects_by_type(Treasure)))
world.agent.x = 8
world.agent.y = 8
self.assertTrue(world.agent.is_at_any_object(world.get_objects_by_type(Treasure)))
def test_add_agent(self):
world = GridWorld(10, 10)
world.add_agent(Agent(0, 0))
self.assertEqual(0, world.agent.x)
self.assertEqual(0, world.agent.y)
self.assertEqual(1, len(world.get_objects()))
self.assertListEqual([Agent], world.get_object_types())
self.assertEqual(1, len(world.get_objects_by_type(Agent)))
def test_copy(self):
world = GridWorld(10, 10)
world.add_agent(Agent(0, 0))
world.add_object(Treasure(8, 8))
copy = world.copy()
copy.step = 1
copy.width = 5
copy.height = 5
copy.agent.x = 1
copy.agent.y = 2
copy_treasure = copy.get_object_by_type(Treasure)
copy_treasure.x = 2
copy_treasure.y = 3
self.assertEqual(0, world.step)
self.assertEqual(10, world.width)
self.assertEqual(10, world.height)
self.assertEqual(0, world.agent.x)
self.assertEqual(0, world.agent.y)
treasure = world.get_object_by_type(Treasure)
self.assertIsNotNone(treasure)
self.assertEqual(8, treasure.x)
self.assertEqual(8, treasure.y)
self.assertEqual(1, copy.step)
self.assertEqual(5, copy.width)
self.assertEqual(5, copy.height)
self.assertEqual(1, copy.agent.x)
self.assertEqual(2, copy.agent.y)
self.assertEqual(2, copy_treasure.x)
self.assertEqual(3, copy_treasure.y)
def test_encode_with_multiple_layers(self):
state = GridWorld(4, 4)
state.add_agent(Agent(0, 0))
state.add_object(Treasure(2, 3))
encoder = LayerEncoder(4, 4, agent_position=True, treasure_position=True)
expected = [[[1, 0, 0, 0],
[0, 0, 0, 0],
[0, 0, 0, 0],
[0, 0, 0, 0]],
[[0, 0, 0, 0],
[0, 0, 0, 0],
[0, 0, 0, 1],
[0, 0, 0, 0]]]
assert_array_equal(expected, encoder.encode(state))
def test_encode_with_no_layers(self):
state = GridWorld(4, 4)
encoder = OneHotEncoder(4, 4, agent_position=False, treasure_position=False)
assert_array_equal(np.empty(0), encoder.encode(state))
def test_is_valid_on_boundary(self):
state = GridWorld(10, 10)
state.add_agent(Agent(9, 0))
self.assertFalse(MoveRight().__is_valid__(state))
def test_is_valid(self):
state = GridWorld(10, 10)
state.add_agent(Agent(0, 0))
self.assertTrue(MoveRight().__is_valid__(state))