107 lines
3.5 KiB
Python
107 lines
3.5 KiB
Python
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"""Support code for testing gtp_states."""
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from gomill import gtp_states
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from gomill.common import *
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class Player(object):
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"""Player (stateful move generator) for testing gtp_states.
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Public attributes:
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last_game_state -- the Game_state from the last genmove-like command
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"""
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def __init__(self):
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self.next_move = None
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self.next_comment = None
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self.next_cookie = None
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self.last_game_state = None
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self.resign_next_move = False
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def set_next_move(self, vertex, comment=None, cookie=None):
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"""Specify what to return from the next genmove-like command."""
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self.next_move = move_from_vertex(vertex, 19)
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self.next_comment = comment
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self.next_cookie = cookie
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def set_next_move_resign(self):
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self.resign_next_move = True
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def genmove(self, game_state, player):
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"""Move generator returns points from the move list.
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game_state -- gtp_states.Game_state
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player -- 'b' or 'w'
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"""
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self.last_game_state = game_state
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# Freeze the move_history as we saw it
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self.last_game_state.move_history = self.last_game_state.move_history[:]
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result = gtp_states.Move_generator_result()
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if self.resign_next_move:
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result.resign = True
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elif self.next_move is not None:
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result.move = self.next_move
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else:
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result.pass_move = True
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if self.next_comment is not None:
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result.comments = self.next_comment
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if self.next_cookie is not None:
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result.cookie = self.next_cookie
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self.next_move = None
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self.next_comment = None
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self.next_cookie = None
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self.resign_next_move = False
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return result
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class Testing_gtp_state(gtp_states.Gtp_state):
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"""Variant of Gtp_state suitable for use in tests.
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This doesn't read from or write to the filesystem.
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"""
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def __init__(self, *args, **kwargs):
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super(Testing_gtp_state, self).__init__(*args, **kwargs)
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self._file_contents = {}
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def _register_file(self, pathname, contents):
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self._file_contents[pathname] = contents
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def _load_file(self, pathname):
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try:
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return self._file_contents[pathname]
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except KeyError:
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raise EnvironmentError("unknown file: %s" % pathname)
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def _save_file(self, pathname, contents):
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if pathname == "force_fail":
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open("/nonexistent_directory/foo.sgf", "w")
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self._file_contents[pathname] = contents
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def _choose_free_handicap_moves(self, number_of_stones):
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"""Implementation of place_free_handicap.
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Returns for a given number of stones:
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2 -- A1 A2 A3 (too many stones)
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4 -- A1 A2 A3 pass (pass isn't permitted)
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5 -- A1 A2 A3 A4 A5 (which is ok)
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6 -- A1 A2 A3 A4 A5 A1 (repeated point)
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8 -- not even the right result type
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otherwise Gtp_state default (which is to use the fixed handicap points)
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"""
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if number_of_stones == 2:
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return ((0, 0), (1, 0), (2, 0))
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elif number_of_stones == 4:
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return ((0, 0), (1, 0), (2, 0), None)
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elif number_of_stones == 5:
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return ((0, 0), (1, 0), (2, 0), (3, 0), (4, 0))
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elif number_of_stones == 6:
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return ((0, 0), (1, 0), (2, 0), (3, 0), (4, 0), (0, 0))
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elif number_of_stones == 8:
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return "nonsense"
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else:
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return super(Testing_gtp_state, self).\
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_choose_free_handicap_moves(number_of_stones)
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