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Copy pathtest_utils.py
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121 lines (100 loc) · 4.42 KB
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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 re
import time
import unittest
import numpy as np
import go
import utils
assert go.N == 9, "All unit tests must be run with BOARD_SIZE=9"
def load_board(string):
reverse_map = {
'X': go.BLACK,
'O': go.WHITE,
'.': go.EMPTY,
'#': go.FILL,
'*': go.KO,
'?': go.UNKNOWN
}
string = re.sub(r'[^XO\.#]+', '', string)
assert len(string) == go.N ** 2, "Board to load didn't have right dimensions"
board = np.zeros([go.N, go.N], dtype=np.int8)
for i, char in enumerate(string):
np.ravel(board)[i] = reverse_map[char]
return board
class TestUtils(unittest.TestCase):
def test_parse_game_result(self):
self.assertEqual(go.BLACK, utils.parse_game_result('B+3.5'))
self.assertEqual(go.WHITE, utils.parse_game_result('W+T'))
self.assertEqual(0, utils.parse_game_result('Void'))
class MinigoUnitTest(unittest.TestCase):
@classmethod
def setUpClass(cls):
cls.start_time = time.time()
@classmethod
def tearDownClass(cls):
print("\n%s.%s: %.3f seconds" %
(cls.__module__, cls.__name__, time.time() - cls.start_time))
def assertEqualNPArray(self, array1, array2):
if not np.all(array1 == array2):
raise AssertionError(
"Arrays differed in one or more locations:\n%s\n%s" % (array1, array2))
def assertNotEqualNPArray(self, array1, array2):
if np.all(array1 == array2):
raise AssertionError("Arrays were identical:\n%s" % array1)
def assertEqualLibTracker(self, lib_tracker1, lib_tracker2):
# A lib tracker may have differently numbered groups yet still
# represent the same set of groups.
# "Sort" the group_ids to ensure they are the same.
def find_group_mapping(lib_tracker):
current_gid = 0
mapping = {}
for group_id in lib_tracker.group_index.ravel().tolist():
if group_id == go.MISSING_GROUP_ID:
continue
if group_id not in mapping:
mapping[group_id] = current_gid
current_gid += 1
return mapping
lt1_mapping = find_group_mapping(lib_tracker1)
lt2_mapping = find_group_mapping(lib_tracker2)
remapped_group_index1 = [lt1_mapping.get(
gid, go.MISSING_GROUP_ID) for gid in lib_tracker1.group_index.ravel().tolist()]
remapped_group_index2 = [lt2_mapping.get(
gid, go.MISSING_GROUP_ID) for gid in lib_tracker2.group_index.ravel().tolist()]
self.assertEqual(remapped_group_index1, remapped_group_index2)
remapped_groups1 = {lt1_mapping.get(
gid): group for gid, group in lib_tracker1.groups.items()}
remapped_groups2 = {lt2_mapping.get(
gid): group for gid, group in lib_tracker2.groups.items()}
self.assertEqual(remapped_groups1, remapped_groups2)
self.assertEqualNPArray(
lib_tracker1.liberty_cache, lib_tracker2.liberty_cache)
def assertEqualPositions(self, pos1, pos2):
self.assertEqualNPArray(pos1.board, pos2.board)
self.assertEqualLibTracker(pos1.lib_tracker, pos2.lib_tracker)
self.assertEqual(pos1.n, pos2.n)
self.assertEqual(pos1.caps, pos2.caps)
self.assertEqual(pos1.ko, pos2.ko)
r_len = min(len(pos1.recent), len(pos2.recent))
if r_len > 0: # if a position has no history, then don't bother testing
self.assertEqual(pos1.recent[-r_len:], pos2.recent[-r_len:])
self.assertEqual(pos1.to_play, pos2.to_play)
def assertNoPendingVirtualLosses(self, root):
"""Raise an error if any node in this subtree has vlosses pending."""
queue = [root]
while queue:
current = queue.pop()
self.assertEqual(0, current.losses_applied)
queue.extend(current.children.values())