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binbo_fen_SUITE.erl
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binbo_fen_SUITE.erl
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%% Copyright (c) 2019-2024, Sergei Semichev <chessvegas@chessvegas.com>. All Rights Reserved.
%%
%% 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.
-module(binbo_fen_SUITE).
-include_lib("common_test/include/ct.hrl").
-include("binbo_test_lib.hrl").
-export([all/0]).
-export([groups/0]).
-export([init_per_suite/1, end_per_suite/1]).
-export([init_per_testcase/2, end_per_testcase/2]).
-export([
test_initial_fen/1,
test_legal_string_fens/1,
test_bad_fens/1
]).
%% all/0
all() -> [{group, fen_test_group}].
%% groups/0
groups() ->
[{fen_test_group, [parallel], [
test_initial_fen,
test_legal_string_fens,
test_bad_fens
]}].
%% init_per_suite/1
init_per_suite(Config) ->
ok = binbo_test_lib:all_group_testcases_exported(?MODULE),
{ok, _} = binbo:start(),
Config.
%% end_per_suite/1
end_per_suite(_Config) ->
ok.
%% init_per_testcase/2
init_per_testcase(_TestCase, Config) ->
{ok, Pid} = binbo:new_server(),
[{pid, Pid} | Config].
%% end_per_testcase/2
end_per_testcase(_TestCase, Config) ->
Pid = get_pid(Config),
ok = binbo:stop_server(Pid),
ok.
%%%------------------------------------------------------------------------------
%%% Testcases
%%%------------------------------------------------------------------------------
%% test_initial_fen/1
test_initial_fen(Config) ->
Pid = get_pid(Config),
InitialFen = <<"rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1">>,
true = (InitialFen =:= binbo_fen:initial()),
{ok,continue} = binbo:new_game(Pid, initial),
{ok, InitialFen} = binbo:get_fen(Pid),
% Fullmove = 0
{ok,continue} = binbo:new_game(Pid, <<"rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 0">>),
ok.
%% test_legal_string_fens/1
test_legal_string_fens(Config) ->
Pid = get_pid(Config),
{ok,continue} = binbo:new_game(Pid, "rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1"),
% Issue #8 https://github.com/DOBRO/binbo/issues/8
{ok,continue} = binbo:new_game(Pid, "r3k2r/2p1qppp/p3p3/n2n4/P2P4/P2QPNP1/1p1N1PBP/2r1RRK1 b kq - 0 1"),
% 3 rooks, white to move
{ok,continue} = binbo:new_game(Pid, "r3k2r/pbqpbppp/1p2pn2/8/1R6/B1NPPN2/P1PQBPPP/R3K2R w KQkq - 0 1"),
% 4 white rooks, white to move
{ok,continue} = binbo:new_game(Pid, "r3k2r/pbq1bppp/1p2pn2/6r1/1R6/B1NPPN2/P1RQBPPP/R3K2R w KQkq - 0 1"),
% 4 black rooks, black to move
{ok,continue} = binbo:new_game(Pid, "r3k2r/pbqrbppp/1p3n2/6r1/1R6/B1NPPN2/P1RQBPPP/R3K2R b KQkq - 0 1"),
ok.
%% test_bad_fens/1
test_bad_fens(Config) ->
Pid = get_pid(Config),
% No game initialized yet
{error,{bad_game,undefined}} = binbo:get_fen(Pid),
% Emty FEN
{error,empty_fen} = binbo:new_game(Pid, <<>>),
{error,empty_fen} = binbo:new_game(Pid, []),
% Not valid binary, nor valid string
{error,bad_data_type} = binbo:new_game(Pid, 3),
{error,too_few_parts} = binbo:new_game(Pid, <<"rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR">>),
{error, invalid_fen_string} = binbo:new_game(Pid, [fen]),
% Wrong active color
{error, {invalid_active_color, <<"side">>}} = binbo:new_game(Pid, <<"rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR side KQkq - 0 1">>),
% Invalid nunber of ranks
{error,{position,not_8_ranks}} = binbo:new_game(Pid, <<"rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP-RNBQKBNR w KQkq - 0 1">>),
% Wrong castling
{error,{castling,empty_castling}} = binbo:new_game(Pid, <<"rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w - 0 1">>),
{error,{castling,{invalid_character,"N"}}} = binbo:new_game(Pid, <<"rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w N - 0 1">>),
% Wrong en-passant square
{error,{invalid_enpassant,<<"e0">>}} = binbo:new_game(Pid, <<"rnbqkbnr/1pp1pppp/p7/3pP3/8/8/PPPP1PPP/RNBQKBNR w KQkq e0 0 1">>),
{error,{invalid_enpassant,<<"e4">>}} = binbo:new_game(Pid, <<"rnbqkbnr/1pp1pppp/p7/3pP3/8/8/PPPP1PPP/RNBQKBNR w KQkq e4 0 1">>),
{error,{invalid_enpassant,<<"e5">>}} = binbo:new_game(Pid, <<"rnbqkbnr/1pp1pppp/p7/3pP3/8/8/PPPP1PPP/RNBQKBNR w KQkq e5 0 1">>),
{error,{invalid_enpassant,<<"e8">>}} = binbo:new_game(Pid, <<"rnbqkbnr/1pp1pppp/p7/3pP3/8/8/PPPP1PPP/RNBQKBNR w KQkq e8 0 1">>),
{error,{invalid_enpassant,<<"e34">>}} = binbo:new_game(Pid, <<"rnbqkbnr/1pp1pppp/p7/3pP3/8/8/PPPP1PPP/RNBQKBNR w KQkq e34 0 1">>),
{error,bb_invalid_enpassant} = binbo:new_game(Pid, <<"rnbqkbnr/1pp1pppp/p7/3pP3/8/8/PPPP1PPP/RNBQKBNR w KQkq e6 0 1">>),
{error,bb_invalid_enpassant} = binbo:new_game(Pid, <<"rnbqkbnr/1pp1pppp/p7/3pP3/8/8/PPPP1PPP/RNBQKBNR w KQkq e3 0 1">>),
% Wrong halfmove
{error,{invalid_halfmove,<<>>}} = binbo:new_game(Pid, <<"rnbqkbnr/1pp1pppp/p7/3pP3/8/8/PPPP1PPP/RNBQKBNR w KQkq - 1">>),
{error,{invalid_halfmove,<<"h">>}} = binbo:new_game(Pid, <<"rnbqkbnr/1pp1pppp/p7/3pP3/8/8/PPPP1PPP/RNBQKBNR w KQkq - h 1">>),
{error,{invalid_halfmove,<<"-1">>}} = binbo:new_game(Pid, <<"rnbqkbnr/1pp1pppp/p7/3pP3/8/8/PPPP1PPP/RNBQKBNR w KQkq - -1 1">>),
% Wrong fullmove
{error,{invalid_fullmove,<<>>}} = binbo:new_game(Pid, <<"rnbqkbnr/1pp1pppp/p7/3pP3/8/8/PPPP1PPP/RNBQKBNR w KQkq - 1 ">>),
{error,{invalid_fullmove,<<"f">>}} = binbo:new_game(Pid, <<"rnbqkbnr/1pp1pppp/p7/3pP3/8/8/PPPP1PPP/RNBQKBNR w KQkq - 0 f">>),
{error,{invalid_fullmove,<<"-1">>}} = binbo:new_game(Pid, <<"rnbqkbnr/1pp1pppp/p7/3pP3/8/8/PPPP1PPP/RNBQKBNR w KQkq - 1 -1">>),
% Empty rank
{error,{position,empty_rank}} = binbo:new_game(Pid, <<"rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/ w KQkq - 0 1">>),
{error,{position,empty_rank}} = binbo:new_game(Pid, <<"rnbqkbnr/pppppppp/8/8/8/8// w KQkq - 0 1">>),
% Wrong position
{error,{position,empty_position}} = binbo:new_game(Pid, <<" w KQkq - 0 1">>),
{error,{position,{invalid_character,"0"}}} = binbo:new_game(Pid, <<"rnbqkbnr/pppppppp/0/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1">>),
{error,{position,{too_many_pawns,black,9}}} = binbo:new_game(Pid, <<"rnbqkbnr/pppppppp/p7/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1">>),
{error,{position,{too_many_kings,white,2}}} = binbo:new_game(Pid, <<"rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKKNR w KQkq - 0 1">>),
{error,{position,{index_out_of_range,16,{rank,2}}}} = binbo:new_game(Pid, <<"rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPPP/RNBQKBNR w KQkq - 0 1">>),
{error,{position,{last_index_mismatch,15,{rank,2}}}} = binbo:new_game(Pid, <<"rnbqkbnr/pppppppp/8/8/8/8/PPPPPPP/RNBQKBNR w KQkq - 0 1">>),
{error,{position,{no_kings,white}}} = binbo:new_game(Pid, <<"rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RRNBQNRR w KQkq - 0 1">>),
{error,{position,{no_kings,black}}} = binbo:new_game(Pid, <<"rnbqbnrr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1">>),
{error,{position,{bad_totals,black,
{total,17},
{pawns,8},
{knights,2},
{bishops,2},
{rooks,2},
{queens,2},
{kings,1}}}} = binbo:new_game(Pid, <<"rnbqkbnr/pppppppp/8/3q4/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1">>),
{error,{position,{bad_totals,white,
{total,17},
{pawns,8},
{knights,2},
{bishops,2},
{rooks,2},
{queens,2},
{kings,1}}}} = binbo:new_game(Pid, <<"rnbqkbnr/pppppppp/8/8/3Q4/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1">>),
ok.
%%%------------------------------------------------------------------------------
%%% Internal helpers
%%%------------------------------------------------------------------------------
%% get_pid/1
get_pid(Config) ->
?value(pid, Config).