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test_sgf_wrapper.py
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# Copyright 2018 Google LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import unittest
import go
from sgf_wrapper import replay_sgf, translate_sgf_move, make_sgf
import coords
from tests import test_utils
JAPANESE_HANDICAP_SGF = "(;GM[1]FF[4]CA[UTF-8]AP[CGoban:3]ST[2]RU[Japanese]SZ[9]HA[2]RE[Void]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]RE[Void]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(test_utils.MinigoUnitTest):
def test_translate_sgf_move(self):
self.assertEqual(
";B[db]",
translate_sgf_move(go.PlayerMove(go.BLACK, (1, 3)), None))
self.assertEqual(
";W[aa]",
translate_sgf_move(go.PlayerMove(go.WHITE, (0, 0)), None))
self.assertEqual(
";W[]",
translate_sgf_move(go.PlayerMove(go.WHITE, None), None))
self.assertEqual(
";B[db]C[comment]",
translate_sgf_move(go.PlayerMove(go.BLACK, (1, 3)), "comment"))
def test_make_sgf(self):
all_pwcs = list(replay_sgf(NO_HANDICAP_SGF))
second_last_position, last_move, _ = all_pwcs[-1]
last_position = second_last_position.play_move(last_move)
back_to_sgf = make_sgf(
last_position.recent,
last_position.score(),
komi=last_position.komi,
)
reconstructed_positions = list(replay_sgf(back_to_sgf))
second_last_position2, last_move2, _ = reconstructed_positions[-1]
last_position2 = second_last_position2.play_move(last_move2)
self.assertEqualPositions(last_position, last_position2)
class TestSgfWrapper(test_utils.MinigoUnitTest):
def test_sgf_props(self):
sgf_replayer = replay_sgf(CHINESE_HANDICAP_SGF)
initial = next(sgf_replayer)
self.assertEqual(go.BLACK, initial.result)
self.assertEqual(5.5, initial.position.komi)
def test_japanese_handicap_handling(self):
intermediate_board = test_utils.load_board('''
.........
.........
......X..
.........
....O....
.........
..X......
.........
.........
''')
intermediate_position = go.Position(
intermediate_board,
n=1,
komi=5.5,
caps=(0, 0),
recent=(go.PlayerMove(go.WHITE, coords.from_gtp('E5')),),
to_play=go.BLACK,
)
final_board = test_utils.load_board('''
.........
.........
......X..
.........
....O....
.........
..XX.....
.........
.........
''')
final_position = go.Position(
final_board,
n=2,
komi=5.5,
caps=(0, 0),
recent=(go.PlayerMove(go.WHITE, coords.from_gtp('E5')),
go.PlayerMove(go.BLACK, coords.from_gtp('D3')),),
to_play=go.WHITE,
)
positions_w_context = list(replay_sgf(JAPANESE_HANDICAP_SGF))
self.assertEqualPositions(
intermediate_position, positions_w_context[1].position)
final_replayed_position = positions_w_context[-1].position.play_move(
positions_w_context[-1].next_move)
self.assertEqualPositions(final_position, final_replayed_position)
def test_chinese_handicap_handling(self):
intermediate_board = test_utils.load_board('''
.........
.........
......X..
.........
.........
.........
.........
.........
.........
''')
intermediate_position = go.Position(
intermediate_board,
n=1,
komi=5.5,
caps=(0, 0),
recent=(go.PlayerMove(go.BLACK, coords.from_gtp('G7')),),
to_play=go.BLACK,
)
final_board = test_utils.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, coords.from_gtp('E9')),
go.PlayerMove(go.BLACK, coords.from_gtp('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, coords.from_gtp('C3'))
final_replayed_position = positions_w_context[-1].position.play_move(
positions_w_context[-1].next_move)
self.assertEqualPositions(final_position, final_replayed_position)
if __name__ == '__main__':
unittest.main()