def test_get_san_description_illegal_move_promotion(self):
fen = "rnbqkbnr/pppp1ppp/8/8/2B1P3/2N5/Pp3PPP/R1BQK1NR b KQkq - 0 1"
board = chess.Board(fen)
move = "bxc1=K"
value = get_san_description(board, move)
assert value == "illegal"
assert board.fen() == fen
move = "b1" # Promotion piece not mentioned
value = get_san_description(board, move)
assert value == "illegal"
assert board.fen() == fen
def handle_san_and_get_response_kwargs(session_id: str, board: chess.Board,
san: str) -> Dict[str, Any]:
"""Process a SAN move and get response kwargs"""
status = get_san_description(board, san)
if status == "legal":
# Convert SAN to LAN
move = board.parse_san(san)
lan = board.lan(move)
mediator.play_lan(session_id, lan)
kwargs = get_response_kwargs(session_id, lastmove_lan=lan)
elif status == "ambiguous":
kwargs = {
"textToSpeech":
f"The move {san} is ambiguous. Please clarify by"
" giving more details about the move."
}
elif status == "illegal":
kwargs = {
"textToSpeech":
f"The move {san} is not legal. Please try again."
" You can always ask me to 'show the board' if you feel lost."
}
elif status == "invalid":
kwargs = {"textToSpeech": f"The move {san} is not valid."}
return kwargs
def test_get_san_description_ambiguous_move(self):
fen = (
"r1bqkbnr/pp1ppppp/2n5/2p5/4P3/2N5/PPPP1PPP/R1BQKBNR w KQkq - 0 1")
board = chess.Board(fen)
move = "Ne2" # Both Nge2 and Nce2 are possible
value = get_san_description(board, move)
assert value == "ambiguous"
assert board.fen() == fen
move = "Nge2"
value = get_san_description(board, move)
assert value == "legal"
assert board.fen() == fen
def test_get_san_description_legal_move(self):
fen = "rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1"
board = chess.Board(fen)
move = "e4"
value = get_san_description(board, move)
assert value == "legal"
assert board.fen() == fen
def test_get_san_description_illegal_move(self):
fen = (
"r1bqkbnr/pppp1ppp/2n5/4p3/4P3/5N2/PPPP1PPP/RNBQKB1R w KQkq - 0 1")
board = chess.Board(fen)
move = "d5"
value = get_san_description(board, move)
assert value == "illegal"
assert board.fen() == fen
def test_get_san_description_invalid_move(self):
fen = (
"rnbqk2r/pp2bppp/2p2n2/3p2B1/3P4/2NBP3/PP3PPP/R2QK1NR b KQkq - 0 1"
)
board = chess.Board(fen)
move = "a9"
value = get_san_description(board, move)
assert value == "invalid"
assert board.fen() == fen