def test_abort_search__with_long_running_instance__returns_quickly(
library_path):
""" Performs a library call on a long running instance, and aborts after a short time.
The time between the abort and the return should not exceed 100ms.
To measure this time, the ExternalLibraryBinding is wrapped in a Thread which signals an Event
once the computation has finished.
"""
test_setup = (LONG_RUNNING_EXHSEARCH_INSTANCE, "NE", [(7, 6)], (3, 2))
previous_shift_location = None
board, piece = _create_board(test_setup)
library_binding = ExternalLibraryBinding(
library_path,
board,
piece,
previous_shift_location=previous_shift_location)
search_ended_event = threading.Event()
concurrent_library_binding = ConcurrentExternalLibraryBinding(
library_binding, search_ended_event)
concurrent_library_binding.start()
time.sleep(timedelta(milliseconds=10).total_seconds())
assert not search_ended_event.is_set()
start = time.time()
library_binding.abort_search()
search_ended_event.wait()
stop = time.time()
assert (stop - start) < 0.1
if concurrent_library_binding.action:
_assert_valid_action(concurrent_library_binding.action, board,
previous_shift_location, piece)
else:
assert concurrent_library_binding.action is None
def test_3by3_single_player_with_objective_on_leftover(library_path):
test_setup = (MAZE_3BY3, "NE", [(0, 0)], "leftover")
previous_shift_location = BoardLocation(1, 2)
board, piece = _create_board(test_setup)
library_binding = ExternalLibraryBinding(
library_path,
board,
piece,
previous_shift_location=previous_shift_location)
action = library_binding.find_optimal_action()
_assert_valid_action(action, board, previous_shift_location, piece)
def test_3by3_single_player_no_direct_path_without_previous_shift(
library_path):
test_setup = (MAZE_3BY3, "NE", [(0, 0)], (2, 2))
previous_shift_location = None
board, piece = _create_board(test_setup)
library_binding = ExternalLibraryBinding(
library_path,
board,
piece,
previous_shift_location=previous_shift_location)
action = library_binding.find_optimal_action()
_assert_valid_action(action, board, previous_shift_location, piece)
def test_second_player_to_play__performs_valid_action(library_path):
test_setup = (MAZE_3BY3, "NS", [(0, 0), (2, 2)], (2, 1))
previous_shift_location = None
board, _ = _create_board(test_setup)
piece = board.pieces[1]
library_binding = ExternalLibraryBinding(
library_path,
board,
piece,
previous_shift_location=previous_shift_location)
action = library_binding.find_optimal_action()
_assert_valid_action(action, board, previous_shift_location, piece)
_assert_reaches_objective(action, board, piece)
def test_3by3_multiple_bindings_same_library(library_path):
""" Binds three times to the same library """
test_setup = (MAZE_3BY3, "NS", [(0, 0)], (0, 2))
previous_shift_location = None
boards = []
for _ in range(3):
board, piece = _create_board(test_setup)
boards.append(board)
bindings = [
ExternalLibraryBinding(library_path,
board,
board.pieces[0],
previous_shift_location=previous_shift_location)
for board in boards
]
actions = [
library_binding.find_optimal_action() for library_binding in bindings
]
for i in range(3):
_assert_valid_action(actions[i], boards[i], previous_shift_location,
boards[i].pieces[0])
def test_3by3_single_player_no_fresh_board(library_path):
""" Creates a board and makes two shifts, so that the maze card ids
are no longer regularly distributed row-first
"""
test_setup = (MAZE_3BY3, "NS", [(0, 0)], (0, 2))
previous_shift_location = BoardLocation(1, 2)
board, piece = _create_board(test_setup)
board.shift(BoardLocation(1, 2), 0)
board.shift(BoardLocation(2, 1), 0)
library_binding = ExternalLibraryBinding(
library_path,
board,
piece,
previous_shift_location=previous_shift_location)
action = library_binding.find_optimal_action()
_assert_valid_action(action, board, previous_shift_location, piece)
def test_3by3_single_player_no_pushback_rule(library_path):
""" Performs two library calls: the first without previous shift,
the second with a previous shift invalidating the shift result of the first call.
"""
test_setup = (MAZE_3BY3, "NS", [(0, 0)], (0, 2))
previous_shift_location = None
board, piece = _create_board(test_setup)
library_binding = ExternalLibraryBinding(
library_path,
board,
piece,
previous_shift_location=previous_shift_location)
action_1 = library_binding.find_optimal_action()
_assert_valid_action(action_1, board, previous_shift_location, piece)
shift_location_1 = action_1[0][0]
board, piece = _create_board(test_setup)
previous_shift_location = board.opposing_border_location(shift_location_1)
library_binding = ExternalLibraryBinding(
library_path,
board,
piece,
previous_shift_location=previous_shift_location)
action_2 = library_binding.find_optimal_action()
_assert_valid_action(action_2, board, previous_shift_location, piece)
shift_location_2 = action_2[0][0]
assert shift_location_2 != shift_location_1
def test_3by3_single_player_with_direct_path_concurrent(library_path):
test_setup = (MAZE_3BY3, "NE", [(0, 0)], (0, 2))
previous_shift_location = BoardLocation(0, 1)
board, piece = _create_board(test_setup)
library_binding = ExternalLibraryBinding(
library_path,
board,
piece,
previous_shift_location=previous_shift_location)
search_ended_event = threading.Event()
concurrent_library_binding = ConcurrentExternalLibraryBinding(
library_binding, search_ended_event)
concurrent_library_binding.start()
search_ended_event.wait()
if concurrent_library_binding.action:
_assert_valid_action(concurrent_library_binding.action, board,
previous_shift_location, piece)
else:
assert concurrent_library_binding.action is None