def prepare_pieces(pieces_notations, color):
"""Prepare pieces for color."""
iters = []
for piece_cls, notations in pieces_notations.items():
pieces = list(
map(lambda n: piece_cls(Position.get_pos(n), color), notations))
iters.append(pieces)
return chain.from_iterable(iters)
def test_castle_piece_between(color, file_letter, grid_castle): # noqa: D103
rank = 1 if color is Color.White else 8
side = Side.Queenside if file_letter in "bcd" else Side.Kingside
pawn = piece_types.Pawn(Position.get_pos(f"{file_letter}{rank}"),
color=color.White)
grid_castle.add_piece(pawn)
assert not grid_castle.castle(color, side)
def test_revert_move(grid): # noqa: D103
grids = []
p1 = piece_types.Pawn(Position.get_pos("a2"))
p2 = piece_types.Pawn(Position.get_pos("b2"))
grid.add_piece(p1)
grid.add_piece(p2)
assert not grid.revert_move()
grid.move(p1.position, p1.position + Position(2, 0))
grids.append(deepcopy(grid))
grid.move(p2.position, p2.position + Position(1, 0))
grids.append(deepcopy(grid))
grid.move(p1.position, p1.position + Position(1, 0))
grids.append(deepcopy(grid))
grid.move(p2.position, p2.position + Position(1, 0))
assert grids[-1] != grid
while grids:
snapshot = grids.pop()
assert grid.revert_move()
assert grid == snapshot
def grid_castle(): # noqa: D103
grid = Grid()
setup = {
Color.White: {
"a1": piece_types.Rook,
"h1": piece_types.Rook,
"e1": piece_types.King
},
Color.Black: {
"a8": piece_types.Rook,
"h8": piece_types.Rook,
"e8": piece_types.King
}
}
for color, notations in setup.items():
for notation, piece_cls in notations.items():
piece = piece_cls(Position.get_pos(notation), color)
grid.add_piece(piece)
return grid
def test_invalid_get_pos(notation): # noqa: D103
with pytest.raises(InvalidNotationError):
Position.get_pos(notation)
def test_get_pos(notation, coords): # noqa: D103
assert Position.get_pos(notation) == Position(*coords)
