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test_sgf_wrapper.py
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import go
from sgf_wrapper import replay_sgf, replay_position, translate_sgf_move, make_sgf
import unittest
from utils import parse_kgs_coords as pc
from test_utils import GoPositionTestCase, load_board
JAPANESE_HANDICAP_SGF = "(;GM[1]FF[4]CA[UTF-8]AP[CGoban:3]ST[2]RU[Japanese]SZ[9]HA[2]KM[5.50]PW[test_white]PB[test_black]AB[gc][cg];W[ee];B[dg])"
CHINESE_HANDICAP_SGF = "(;GM[1]FF[4]CA[UTF-8]AP[CGoban:3]ST[2]RU[Chinese]SZ[9]HA[2]KM[5.50]PW[test_white]PB[test_black]RE[B+39.50];B[gc];B[cg];W[ee];B[gg];W[eg];B[ge];W[ce];B[ec];W[cc];B[dd];W[de];B[cd];W[bd];B[bc];W[bb];B[be];W[ac];B[bf];W[dh];B[ch];W[ci];B[bi];W[di];B[ah];W[gh];B[hh];W[fh];B[hg];W[gi];B[fg];W[dg];B[ei];W[cf];B[ef];W[ff];B[fe];W[bg];B[bh];W[af];B[ag];W[ae];B[ad];W[ae];B[ed];W[db];B[df];W[eb];B[fb];W[ea];B[fa])"
NO_HANDICAP_SGF = "(;CA[UTF-8]SZ[9]PB[Murakawa Daisuke]PW[Iyama Yuta]KM[6.5]HA[0]RE[W+1.5]GM[1];B[fd];W[cf];B[eg];W[dd];B[dc];W[cc];B[de];W[cd];B[ed];W[he];B[ce];W[be];B[df];W[bf];B[hd];W[ge];B[gd];W[gg];B[db];W[cb];B[cg];W[bg];B[gh];W[fh];B[hh];W[fg];B[eh];W[ei];B[di];W[fi];B[hg];W[dh];B[ch];W[ci];B[bh];W[ff];B[fe];W[hf];B[id];W[bi];B[ah];W[ef];B[dg];W[ee];B[di];W[ig];B[ai];W[ih];B[fb];W[hi];B[ag];W[ab];B[bd];W[bc];B[ae];W[ad];B[af];W[bd];B[ca];W[ba];B[da];W[ie])"
class TestSgfGeneration(GoPositionTestCase):
def test_translate_sgf_move(self):
self.assertEqual(
";B[db]",
translate_sgf_move(go.PlayerMove(go.BLACK, (1, 3))))
self.assertEqual(
";W[aa]",
translate_sgf_move(go.PlayerMove(go.WHITE, (0, 0))))
self.assertEqual(
";W[]",
translate_sgf_move(go.PlayerMove(go.WHITE, None)))
def test_make_sgf(self):
all_positions = list(replay_sgf(NO_HANDICAP_SGF))
last_position, _, metadata = all_positions[-1]
back_to_sgf = make_sgf(
last_position.recent,
last_position.score(),
boardsize=metadata.board_size,
komi=last_position.komi,
)
reconstructed_positions = list(replay_sgf(back_to_sgf))
last_position2, _, _ = reconstructed_positions[-1]
self.assertEqualPositions(last_position, last_position2)
class TestSgfWrapper(GoPositionTestCase):
def test_sgf_props(self):
sgf_replayer = replay_sgf(CHINESE_HANDICAP_SGF)
initial = next(sgf_replayer)
self.assertEqual(initial.metadata.result, 'B+39.50')
self.assertEqual(initial.metadata.board_size, 9)
self.assertEqual(initial.position.komi, 5.5)
def test_japanese_handicap_handling(self):
intermediate_board = load_board('''
.........
.........
......X..
.........
....O....
.........
..X......
.........
.........
''')
intermediate_position = go.Position(
intermediate_board,
n=1,
komi=5.5,
caps=(0, 0),
recent=(go.PlayerMove(go.WHITE, pc('E5')),),
to_play=go.BLACK,
)
final_board = load_board('''
.........
.........
......X..
.........
....O....
.........
..XX.....
.........
.........
''')
final_position = go.Position(
final_board,
n=2,
komi=5.5,
caps=(0, 0),
recent=(go.PlayerMove(go.WHITE, pc('E5')),
go.PlayerMove(go.BLACK, pc('D3')),),
to_play=go.WHITE,
)
positions_w_context = list(replay_sgf(JAPANESE_HANDICAP_SGF))
self.assertEqualPositions(intermediate_position, positions_w_context[1].position)
self.assertEqualPositions(final_position, positions_w_context[-1].position)
def test_chinese_handicap_handling(self):
intermediate_board = load_board('''
.........
.........
......X..
.........
.........
.........
.........
.........
.........
''')
intermediate_position = go.Position(
intermediate_board,
n=1,
komi=5.5,
caps=(0, 0),
recent=(go.PlayerMove(go.BLACK, pc('G7')),),
to_play=go.BLACK,
)
final_board = load_board('''
....OX...
.O.OOX...
O.O.X.X..
.OXXX....
OX...XX..
.X.XXO...
X.XOOXXX.
XXXO.OOX.
.XOOX.O..
''')
final_position = go.Position(
final_board,
n=50,
komi=5.5,
caps=(7, 2),
ko=None,
recent=(go.PlayerMove(go.WHITE, pc('E9')),
go.PlayerMove(go.BLACK, pc('F9')),),
to_play=go.WHITE
)
positions_w_context = list(replay_sgf(CHINESE_HANDICAP_SGF))
self.assertEqualPositions(intermediate_position, positions_w_context[1].position)
self.assertEqual(positions_w_context[1].next_move, pc('C3'))
self.assertEqualPositions(final_position, positions_w_context[-1].position)
self.assertFalse(positions_w_context[-1].is_usable())
self.assertTrue(positions_w_context[-2].is_usable())
class TestPositionReplay(GoPositionTestCase):
def test_replay_position(self):
sgf_positions = list(replay_sgf(NO_HANDICAP_SGF))
initial = sgf_positions[0]
self.assertEqual(initial.metadata.result, 'W+1.5')
self.assertEqual(initial.metadata.board_size, 9)
self.assertEqual(initial.position.komi, 6.5)
final = sgf_positions[-1].position
# sanity check to ensure we're working with the right position
final_board = load_board('''
.OXX.....
O.OX.X...
.OOX.....
OOOOXXXXX
XOXXOXOOO
XOOXOO.O.
XOXXXOOXO
XXX.XOXXO
X..XOO.O.
''')
expected_final_position = go.Position(
final_board,
n=62,
komi=6.5,
caps=(3, 2),
ko=None,
recent=tuple(),
to_play=go.BLACK
)
self.assertEqualPositions(expected_final_position, final)
self.assertEqual(final.n, len(final.recent))
replayed_positions = list(replay_position(final))
for sgf_pos, replay_pos in zip(sgf_positions, replayed_positions):
self.assertEqualPositions(sgf_pos.position, replay_pos.position)
if __name__ == '__main__':
unittest.main()