gomoku/src/game/game-instance.test.ts

139 lines
4.0 KiB
TypeScript

import { GomokuGame } from './game-instance';
import { expect, test, describe } from 'bun:test';
describe('GameInstance', () => {
test('should initialize with correct default state', () => {
const game = new GomokuGame();
expect(game.id).toBeDefined();
expect(game.board.length).toBe(15);
expect(game.board[0].length).toBe(15);
expect(game.currentPlayer).toBeNull();
expect(game.status).toBe('waiting');
expect(game.winner).toBeNull();
expect(game.players).toEqual({});
});
test('should add players correctly', () => {
const game = new GomokuGame();
const player1 = 'player1-uuid';
const player2 = 'player2-uuid';
// First player joins as black
const joined1 = game.addPlayer(player1);
expect(joined1).toBe(true);
// Second player joins as white
const joined2 = game.addPlayer(player2);
expect(joined2).toBe(true);
// Game should now be in playing state
expect(game.status).toBe('playing');
expect(game.currentPlayer).toBe('black');
expect(game.players.black).toBe(player1);
expect(game.players.white).toBe(player2);
});
test('should prevent more than two players from joining', () => {
const game = new GomokuGame();
const player1 = 'player1-uuid';
const player2 = 'player2-uuid';
const player3 = 'player3-uuid';
game.addPlayer(player1);
game.addPlayer(player2);
// Third player tries to join (should fail)
const joined = game.addPlayer(player3);
expect(joined).toBe(false);
// Players object should remain unchanged, only two players should be present
expect(game.players.black).toBe(player1);
expect(game.players.white).toBe(player2);
expect(Object.values(game.players).length).toBe(2);
});
test('should validate moves correctly', () => {
const game = new GomokuGame();
const player1 = 'player1-uuid';
const player2 = 'player2-uuid';
game.addPlayer(player1);
game.addPlayer(player2);
// Player black makes first move
const move1 = game.makeMove(player1, 7, 7);
expect(move1.success).toBe(true);
// Same player tries to move again (should fail)
const move2 = game.makeMove(player1, 7, 8);
expect(move2.success).toBe(false);
// White player makes a move
const move3 = game.makeMove(player2, 7, 8);
expect(move3.success).toBe(true);
// Try to place on occupied cell (should fail)
const move4 = game.makeMove(player2, 7, 7);
expect(move4.success).toBe(false);
// Try to place out of bounds (should fail)
const move5 = game.makeMove(player2, 15, 15);
expect(move5.success).toBe(false);
});
test('should detect win conditions', () => {
const game = new GomokuGame();
const player1 = 'player1-uuid';
const player2 = 'player2-uuid';
game.addPlayer(player1);
game.addPlayer(player2);
// Create a horizontal win for black
for (let col = 0; col < 5; col++) {
game.makeMove(player1, 7, col);
// Switch to other player for next move
if (col < 4) game.makeMove(player2, 8, col);
}
expect(game.winner).toBe('black');
expect(game.status).toBe('finished');
});
test('should detect draw condition', () => {
const game = new GomokuGame();
const player1 = 'player1-uuid';
const player2 = 'player2-uuid';
game.addPlayer(player1);
game.addPlayer(player2);
// Create a pattern that doesn't result in a win but fills the board
// We'll use a simple alternating pattern
for (let row = 0; row < 15; row++) {
for (let col = 0; col < 15; col++) {
const currentPlayer = game.currentPlayer!;
const playerId = game.players[currentPlayer]!;
// Make move
const result = game.makeMove(playerId, row, col);
// If we can't make a move, it means someone won already
if (!result.success) {
expect(game.winner).not.toBeNull();
return;
}
}
}
expect(game.winner).toBe('draw');
expect(game.status).toBe('finished');
});
});