def it_accepts_blank_input_as_empty_forward_snapshot(self, parser):
success = parser.convert(
" \n \t ", tessellation_factory("Sokoban")
)
assert success
assert parser._resulting_solving_mode == 'forward'
assert parser._resulting_moves == []
def it_ignores_spaces_and_current_position_character(self, parser):
success = parser.convert(
" \n ** \t l ", tessellation_factory("Sokoban")
)
assert success
assert parser._resulting_solving_mode == 'forward'
assert parser._resulting_moves == [AtomicMove(Direction.LEFT)]
def it_appends_converted_moves_to_parser_resulting_moves(self, parser):
parser._resulting_moves = []
parser._convert_token("lurD", tessellation_factory("Sokoban"))
assert (
parser._resulting_moves == [
AtomicMove(Direction.LEFT), AtomicMove(Direction.UP),
AtomicMove(Direction.RIGHT), AtomicMove(
Direction.DOWN, box_moved=True
)
]
)
def trioban_tessellation():
return tessellation_factory('trioban')
def sokoban_tessellation():
return tessellation_factory('sokoban')
def it_fails_on_jumps_that_contain_pushes(self, parser):
parser._resulting_moves = []
parser._convert_token(
"lurD", tessellation_factory("Sokoban"), is_jump=True
)
assert parser._first_encountered_error == SnapshotConversionError.JUMP_CONTAINS_PUSHES
def it_fails_on_moves_illegal_in_context_of_requested_tessellation(
self, parser
):
parser._convert_token("Nlurd", tessellation_factory("Sokoban"))
assert parser._first_encountered_error == SnapshotConversionError.NON_VARIANT_CHARACTERS_FOUND
def it_correctly_detects_pusher_selections(self, parser):
success = parser.convert("{lurd} ", tessellation_factory("Sokoban"))
assert success
for atomic_move in parser._resulting_moves:
assert atomic_move.is_pusher_selection
def it_fails_on_non_matched_sequence_separators(self, parser):
success = parser.convert("[lurd", tessellation_factory("Sokoban"))
assert not success
assert parser._first_encountered_error == SnapshotConversionError.TOKENIZATION_ERROR
def it_fails_on_rle_errors(self, parser):
success = parser.convert("((4l)", tessellation_factory("Sokoban"))
assert not success
assert parser._first_encountered_error == SnapshotConversionError.RLE_DECODING_ERROR
def it_detects_reverse_snapshot_while_ignoring_empty_jumps(
self, parser
):
success = parser.convert("[]lurd", tessellation_factory("Sokoban"))
assert success
assert parser._resulting_solving_mode == 'reverse'
def it_ignores_empty_jump_and_pusher_selection_sequences(self, parser):
success = parser.convert("[]lurd", tessellation_factory("Sokoban"))
assert success
assert len(parser._resulting_moves) == 4
def it_sets_mode_to_reverse_if_jumps_are_found(self, parser):
success = parser.convert("[lurd] ", tessellation_factory("Sokoban"))
assert success
for atomic_move in parser._resulting_moves:
assert atomic_move.is_jump
def it_fails_on_non_snapshot_characters(self, parser):
success = parser.convert("ZOMG! ", tessellation_factory("Sokoban"))
assert not success
assert parser._first_encountered_error == SnapshotConversionError.NON_SNAPSHOT_CHARACTERS_FOUND