def test_board_intermediate_move_loop_moves_no_one_else() -> None:
# If player A places a tile that sends them into a loop and player B is next to the would be placed tile,
# player B does not move
b = Board()
logging_observer = LoggingObserver()
b.add_observer(logging_observer)
# An initial move for green
r = b.initial_move(
InitialMove(BoardPosition(0, 1), index_to_tile(4), Port.RightBottom,
"green"))
assert r.is_ok()
assert b._board_state.get_tile(BoardPosition(0, 1)) == index_to_tile(4)
assert b.live_players["green"] == (BoardPosition(0, 1), Port.RightBottom)
# More moves for green to setup what we need to make a loop
r = b.intermediate_move(IntermediateMove(index_to_tile(4), "green"))
assert r.is_ok()
assert b._board_state.get_tile(BoardPosition(1, 1)) == index_to_tile(4)
assert b._board_state.live_players["green"] == (
BoardPosition(1, 1),
Port.BottomLeft,
)
r = b.intermediate_move(IntermediateMove(index_to_tile(4), "green"))
assert r.is_ok()
assert b._board_state.get_tile(BoardPosition(1, 2)) == index_to_tile(4)
assert b._board_state.live_players["green"] == (BoardPosition(1, 2),
Port.LeftTop)
# And set up white next to the where the would-be loop would be created
assert b.place_tile_at_index_with_scissors(index_to_tile(4),
BoardPosition(0, 3)).is_ok()
b._board_state = b._board_state.with_live_players(
b._board_state.live_players.set("white",
(BoardPosition(0, 3), Port.TopRight)))
# This tile placement will make a loop. Test that it is detected, the player is removed, and a message is broadcast
# to all of the defined observers. According to assignment 6 the player should be removed but the tile
# should not be on the board.
assert logging_observer.all_messages() == []
r = b.intermediate_move(IntermediateMove(index_to_tile(4), "green"))
assert r.is_ok()
assert "green" not in b.live_players
assert b._board_state.get_tile(BoardPosition(0, 2)) is None
assert logging_observer.all_messages() == [
"entered_loop: green",
"exited_board: green",
]
# And white is still in the same place
assert b._board_state.live_players["white"] == (BoardPosition(0, 3),
Port.TopRight)
def test_board_initial_move() -> None:
b = Board()
logging_observer = LoggingObserver()
b.add_observer(logging_observer)
pos = BoardPosition(1, 1)
r = b.initial_move(
InitialMove(pos,
make_tiles()[0], Port.BottomRight, "red"))
assert r.is_error()
assert (
r.error() ==
f"cannot make an initial move at position {pos} since it is not on the edge"
)
pos = BoardPosition(3, 0)
port = Port.TopLeft
r = b.initial_move(InitialMove(pos, make_tiles()[0], port, "red"))
assert r.is_error()
assert (
r.error() ==
f"cannot make an initial move at position {pos}, port {port} since it does not face the interior of the "
f"board")
b.place_tile_at_index_with_scissors(make_tiles()[0], BoardPosition(2, 0))
r = b.initial_move(
InitialMove(BoardPosition(2, 0),
make_tiles()[1], Port.BottomRight, "blue"))
assert r.is_error()
assert (
r.error() ==
"cannot place tile at position BoardPosition(x=2, y=0) since there is already a tile at that position"
)
r = b.initial_move(
InitialMove(BoardPosition(3, 0),
make_tiles()[1], Port.BottomRight, "blue"))
assert r.is_error()
assert (
r.error() ==
"cannot make an initial move at position BoardPosition(x=3, y=0) since the surrounding tiles are not all "
"empty")
r = b.initial_move(
InitialMove(BoardPosition(1, 0),
make_tiles()[1], Port.BottomRight, "blue"))
assert r.is_error()
assert (
r.error() ==
"cannot make an initial move at position BoardPosition(x=1, y=0) since the surrounding tiles are not all "
"empty")
b._board_state = b._board_state.with_live_players(
b._board_state.live_players.set(
"red", (BoardPosition(2, 0), Port.BottomRight)))
r = b.initial_move(
InitialMove(BoardPosition(5, 0),
make_tiles()[1], Port.BottomRight, "red"))
assert r.is_error()
assert (r.error() ==
"cannot place player red since the player is already on the board")
r = b.initial_move(
InitialMove(BoardPosition(5, 0),
make_tiles()[2], Port.BottomRight, "blue"))
assert r.is_ok()
assert b._board_state.get_tile(BoardPosition(5, 0)) == make_tiles()[2]
assert b._board_state.live_players["blue"] == (
BoardPosition(5, 0),
Port.BottomRight,
)
r = b.initial_move(
InitialMove(BoardPosition(9, 2),
make_tiles()[2], Port.TopLeft, "white"))
assert r.is_ok()
assert b._board_state.get_tile(BoardPosition(9, 2)) == make_tiles()[2]
b._board_state = b._board_state.with_live_players(
b._board_state.live_players.set("white",
(BoardPosition(9, 2), Port.TopLeft)))
r = b.initial_move(
InitialMove(BoardPosition(9, 4),
make_tiles()[2], Port.TopLeft, "green"))
assert r.is_ok()
assert b._board_state.get_tile(BoardPosition(9, 4)) == make_tiles()[2]
assert b._board_state.live_players["green"] == (BoardPosition(9, 4),
Port.TopLeft)
assert logging_observer.all_messages() == []
