def test_at_goal(self):
test_board = [['0', 'R', '0'], ['R', '0', '0']]
flow_game = flow_board.Flow(test_board)
self.assertFalse(utilities.at_goal(flow_game))
flow_game.paths['R'].add_to_path((0, 0))
self.assertTrue(utilities.at_goal(flow_game))
def test_at_goal(self):
test_board = [['0', 'R', '0'],
['R', '0', '0']]
flow_game = flow_board.Flow(test_board)
self.assertFalse(utilities.at_goal(flow_game))
flow_game.paths['R'].add_to_path((0, 0))
self.assertTrue(utilities.at_goal(flow_game))
def test_single_gp(self):
flow_game = Flow(self.simple_board)
solution = BFS().solve_single_gp(flow_game)
self.assertTrue(utils.at_goal(solution),
"Tests if BFS solves simple board with single GP method of adding to queue")
flow_game = Flow(self.medium_flow)
solution = BFS().solve_single_gp(flow_game)
self.assertTrue(utils.at_goal(solution),
"Tests if BFS solves medium board with single GP method of adding to queue")
def test_round_robin(self):
flow_game = Flow(self.simple_board)
solution = BFS().solve_rr(flow_game)
self.assertTrue(utils.at_goal(solution),
"Test if BFS solves the simple board with RR method of adding to queue")
flow_game = Flow(self.medium_flow)
solution = BFS().solve_single_gp(flow_game)
self.assertTrue(utils.at_goal(solution),
"Test if BFS solves the medium board with RR method of adding to queue")
def test_single_gp(self):
flow_game = Flow(self.simple_board)
solution = BFS().solve_single_gp(flow_game)
self.assertTrue(
utils.at_goal(solution),
"Tests if BFS solves simple board with single GP method of adding to queue"
)
flow_game = Flow(self.medium_flow)
solution = BFS().solve_single_gp(flow_game)
self.assertTrue(
utils.at_goal(solution),
"Tests if BFS solves medium board with single GP method of adding to queue"
)
def test_round_robin(self):
flow_game = Flow(self.simple_board)
solution = BFS().solve_rr(flow_game)
self.assertTrue(
utils.at_goal(solution),
"Test if BFS solves the simple board with RR method of adding to queue"
)
flow_game = Flow(self.medium_flow)
solution = BFS().solve_single_gp(flow_game)
self.assertTrue(
utils.at_goal(solution),
"Test if BFS solves the medium board with RR method of adding to queue"
)
def solve_game_dumb(self, flow_game):
"""
Solves the given flow game using backtracking.
:type flow_game: Flow
:rtype: (bool, Flow)
"""
# print flow_game
if utils.at_goal(flow_game):
return True, flow_game
sorted_colors = self.order_colors(flow_game)
# For each color that is not complete
for color_path in sorted_colors:
if color_path.is_complete():
continue
# Complete its path
bt_path = BackTrackingPath(color_path)
completed_path = bt_path.get_next_path()
# While there are still backtracking options
while completed_path is not None:
game_copy = copy.deepcopy(completed_path.flow_game)
rv = self.solve_game_dumb(game_copy)
if rv[0]:
return rv
completed_path = bt_path.get_next_path()
return False, None
def solve_game_dumb(self, flow_game):
"""
Solves the given flow game using backtracking.
:type flow_game: Flow
:rtype: (bool, Flow)
"""
# print flow_game
if utils.at_goal(flow_game):
return True, flow_game
sorted_colors = self.order_colors(flow_game)
# For each color that is not complete
for color_path in sorted_colors:
if color_path.is_complete():
continue
# Complete its path
bt_path = BackTrackingPath(color_path)
completed_path = bt_path.get_next_path()
# While there are still backtracking options
while completed_path is not None:
game_copy = copy.deepcopy(completed_path.flow_game)
rv = self.solve_game_dumb(game_copy)
if rv[0]:
return rv
completed_path = bt_path.get_next_path()
return False, None
def solve_single_gp(self, initial_game):
"""
Creates the stack to be searched in a round robin manner - Each color gets to select 1 move until the solution
is found.
:type initial_game_state: Flow
:return: Flow
"""
self.queue.append(initial_game)
# For loop to go through queue
while len(self.queue) > 0:
game = self.queue.pop(0)
if utils.at_goal(game):
return game
self.generate_possible_moves_single_gp(game)
return None
def solve_single_gp(self, initial_game):
"""
Creates the stack to be searched in a round robin manner - Each color gets to select 1 move until the solution
is found.
:type initial_game_state: Flow
:return: Flow
"""
self.queue.append(initial_game)
# For loop to go through queue
while len(self.queue) > 0:
game = self.queue.pop(0)
if utils.at_goal(game):
return game
self.generate_possible_moves_single_gp(game)
return None
def solve(self, initial_flow):
"""
Solve the initial flow game
:type initial_flow: Flow
:rtype: Flow
"""
self.frontier.append((0, initial_flow))
while len(self.frontier) > 0:
chosen_node = self.get_next_to_explore()
# print chosen_node[0], chosen_node[1]
if utils.at_goal(chosen_node[1]):
return chosen_node
else:
self.create_possibilites(chosen_node)
return "No solution found"
def solve(self, initial_flow):
"""
Solve the initial flow game
:type initial_flow: Flow
:rtype: Flow
"""
self.frontier.append((0, initial_flow))
while len(self.frontier) > 0:
chosen_node = self.get_next_to_explore()
# print chosen_node[0], chosen_node[1]
if utils.at_goal(chosen_node[1]):
return chosen_node
else:
self.create_possibilites(chosen_node)
return "No solution found"
def solve(self, initial_game_state):
"""
:type initial_game_state: Flow
:return Flow:
"""
self.queue.put((astar().heuristic(initial_game_state), initial_game_state))
current_cost = 0
while self.queue._qsize() > 0:
pop = self.queue.get()
game = pop[1]
current_cost += pop[0]
# print current_cost
if utils.at_goal(game):
return game
possible_moves = utils.generate_possible_moves_single_gp(game)
for i, value in enumerate(possible_moves):
# print possible_moves[i]
self.queue.put((astar().heuristic(possible_moves[i]) + current_cost, possible_moves[i]))
return None
def solve(self, initial_game_state):
"""
:type initial_game_state: Flow
:return Flow:
"""
self.queue.put(
(astar().heuristic(initial_game_state), initial_game_state))
current_cost = 0
while self.queue._qsize() > 0:
pop = self.queue.get()
game = pop[1]
current_cost += pop[0]
# print current_cost
if utils.at_goal(game):
return game
possible_moves = utils.generate_possible_moves_single_gp(game)
for i, value in enumerate(possible_moves):
# print possible_moves[i]
self.queue.put(
(astar().heuristic(possible_moves[i]) + current_cost,
possible_moves[i]))
return None