mirror of
https://github.com/SleepingInsomniac/lx_chess_cr
synced 2025-02-07 20:46:08 +01:00
77 lines
2.5 KiB
Crystal
77 lines
2.5 KiB
Crystal
require "../spec_helper"
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require "../../src/lx_chess/board"
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require "../../src/lx_chess/piece"
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require "../../src/lx_chess/move_set"
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require "../../src/lx_chess/game"
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require "../../src/lx_chess/fen"
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include LxChess
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describe "Castling" do
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describe "white" do
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it "moves the king and the rook when castling kingside" do
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fen = Fen.parse("8/8/8/8/8/8/8/R3K2R w KQkq - 0 1")
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game = Game.new(board: fen.board, players: [Player.new, Player.new])
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game.make_move(from: "e1", to: "g1")
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debug_board(game, ["e1", "g1"])
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fen.update(game)
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fen.to_s.should eq("8/8/8/8/8/8/8/R4RK1 b kq - 1 1")
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end
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it "moves the king and the rook when castling queenside" do
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fen = Fen.parse("8/8/8/8/8/8/8/R3K2R w KQkq - 0 1")
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game = Game.new(board: fen.board, players: [Player.new, Player.new])
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game.make_move(from: "e1", to: "c1")
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debug_board(game, ["e1", "c1"])
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fen.update(game)
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fen.to_s.should eq("8/8/8/8/8/8/8/2KR3R b kq - 1 1")
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end
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end
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describe "black" do
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it "moves the king and the rook when castling kingside" do
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fen = Fen.parse("r3k2r/8/8/8/8/8/8/8 w KQkq - 0 1")
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game = Game.new(board: fen.board, players: [Player.new, Player.new])
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game.make_move(from: "e8", to: "g8")
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debug_board(game, ["e8", "g8"])
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fen.update(game)
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fen.to_s.should eq("r4rk1/8/8/8/8/8/8/8 b kq - 1 1")
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end
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it "moves the king and the rook when castling queenside" do
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fen = Fen.parse("r3k2r/8/8/8/8/8/8/8 w KQkq - 0 1")
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game = Game.new(board: fen.board, players: [Player.new, Player.new])
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game.make_move(from: "e8", to: "c8")
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debug_board(game, ["e8", "c8"])
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fen.update(game)
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fen.to_s.should eq("2kr3r/8/8/8/8/8/8/8 b kq - 1 1")
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end
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end
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it "castles from non-standard positions" do
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# For non-standard chess games
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fen = Fen.parse("8/8/8/8/8/8/8/R1K4R w KQkq - 0 1")
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game = Game.new(board: fen.board, players: [Player.new, Player.new])
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game.make_move(from: "c1", to: "e1")
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debug_board(game, ["c1", "e1"])
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fen.update(game)
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fen.to_s.should eq("8/8/8/8/8/8/8/R2RK3 b kq - 1 1")
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end
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it "does not allow castling after the king has moved" do
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fen = Fen.parse("8/8/8/8/8/8/8/R3K2R w KQkq - 0 1")
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game = Game.new(board: fen.board, players: [Player.new, Player.new])
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game.make_move(from: "e1", to: "d1")
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fen.update(game)
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fen.to_s.should eq("8/8/8/8/8/8/8/R2K3R b kq - 1 1")
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game.next_turn!
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expect_raises(Game::IllegalMove) do
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game.make_move(from: "d1", to: "f1")
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end
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end
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end
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