feat: implement and deploy blind_chess MVP

- pnpm workspace: shared/server/client packages - Server: Fastify+ws, chess.js, FSM (touch-move + hierarchy), per-player view filter, zod validation, rate limiting, grace-window disconnect handling - Client: Svelte 5 + Vite, click-to-move board, moderator panel, promotion/draw dialogs - Shared: protocol types, ModeratorText enum, geometricMoves helper (provably zero opponent-info leak) - 43 tests pass (21 shared, 22 server incl. 4 real-WS integration) - Deploy: CT 690 on node-241 (192.168.0.245), systemd-managed, Caddy block for chess.sethpc.xyz - Live at https://chess.sethpc.xyz Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-04-28 11:20:18 -04:00
parent 9a5ad55f30
commit a6de43edc1
53 changed files with 11970 additions and 5 deletions
@@ -0,0 +1,172 @@
+import { describe, it, expect, beforeAll, afterAll } from 'vitest';
+import { WebSocket } from 'ws';
+import Fastify from 'fastify';
+import websocketPlugin from '@fastify/websocket';
+import {
+  activeGameCount,
+  chooseSide,
+  createGame,
+} from '../../src/games.js';
+import { attachSocket } from '../../src/ws.js';
+import { createGameSchema } from '../../src/validation.js';
+import type { ServerMessage } from '@blind-chess/shared';
+
+let app: ReturnType<typeof Fastify>;
+let baseUrl = '';
+
+beforeAll(async () => {
+  app = Fastify({ logger: false });
+  await app.register(websocketPlugin);
+  app.get('/api/health', async () => ({ ok: true, activeGames: activeGameCount() }));
+  app.post('/api/games', async (req, reply) => {
+    const parsed = createGameSchema.safeParse(req.body);
+    if (!parsed.success) { reply.code(400); return { error: 'malformed' }; }
+    const creatorSide = chooseSide(parsed.data.side);
+    const { game, creatorToken } = createGame({
+      mode: parsed.data.mode,
+      creatorSide,
+      highlightingEnabled: parsed.data.highlightingEnabled,
+    });
+    return { gameId: game.id, creatorToken, creatorColor: creatorSide };
+  });
+  app.get('/ws', { websocket: true }, (socket) => {
+    const raw = (socket as unknown as { socket?: unknown }).socket ?? socket;
+    attachSocket(raw as never);
+  });
+  await app.listen({ port: 0, host: '127.0.0.1' });
+  const addr = app.server.address();
+  if (typeof addr !== 'object' || !addr) throw new Error('no address');
+  baseUrl = `http://127.0.0.1:${addr.port}`;
+});
+
+afterAll(async () => {
+  await app.close();
+});
+
+interface Client {
+  ws: WebSocket;
+  msgs: ServerMessage[];
+  waitFor: (pred: (m: ServerMessage) => boolean, timeoutMs?: number) => Promise<ServerMessage>;
+  send: (m: unknown) => void;
+  close: () => void;
+}
+
+function makeClient(gameId: string): Promise<Client> {
+  return new Promise((resolve, reject) => {
+    const ws = new WebSocket(baseUrl.replace('http', 'ws') + `/ws?game=${gameId}`);
+    const msgs: ServerMessage[] = [];
+    const waiters: Array<{ pred: (m: ServerMessage) => boolean; resolve: (m: ServerMessage) => void; reject: (e: Error) => void; timer: NodeJS.Timeout }> = [];
+    ws.on('message', (data) => {
+      const m = JSON.parse(data.toString()) as ServerMessage;
+      msgs.push(m);
+      for (const w of [...waiters]) {
+        if (w.pred(m)) {
+          clearTimeout(w.timer);
+          waiters.splice(waiters.indexOf(w), 1);
+          w.resolve(m);
+        }
+      }
+    });
+    ws.on('open', () => resolve({
+      ws, msgs,
+      waitFor: (pred, timeoutMs = 1500) => new Promise<ServerMessage>((res, rej) => {
+        const existing = msgs.find(pred);
+        if (existing) return res(existing);
+        const timer = setTimeout(() => rej(new Error('waitFor timeout')), timeoutMs);
+        waiters.push({ pred, resolve: res, reject: rej, timer });
+      }),
+      send: (m) => ws.send(JSON.stringify(m)),
+      close: () => ws.close(),
+    }));
+    ws.on('error', reject);
+  });
+}
+
+async function createTestGame(mode: 'blind' | 'vanilla' = 'blind'): Promise<{ gameId: string; creatorToken: string; creatorColor: 'w' | 'b' }> {
+  const res = await fetch(`${baseUrl}/api/games`, {
+    method: 'POST',
+    headers: { 'content-type': 'application/json' },
+    body: JSON.stringify({ mode, side: 'w', highlightingEnabled: false }),
+  });
+  return await res.json() as { gameId: string; creatorToken: string; creatorColor: 'w' | 'b' };
+}
+
+describe('scripted game end-to-end', () => {
+  it('two clients connect, opening exchange, blind view filtering', async () => {
+    const { gameId, creatorToken } = await createTestGame('blind');
+    const w = await makeClient(gameId);
+    const b = await makeClient(gameId);
+
+    // White connects with token, black auto-claims.
+    w.send({ type: 'hello', gameId, token: creatorToken });
+    b.send({ type: 'hello', gameId, joinAs: 'auto' });
+
+    const wJoined = await w.waitFor((m) => m.type === 'joined');
+    const bJoined = await b.waitFor((m) => m.type === 'joined');
+    expect(wJoined.type === 'joined' && wJoined.you).toBe('w');
+    expect(bJoined.type === 'joined' && bJoined.you).toBe('b');
+
+    // Blind view: white sees only its 16 pieces.
+    if (wJoined.type !== 'joined') throw new Error('expected joined');
+    expect(Object.keys(wJoined.view.pieces).length).toBe(16);
+    for (const piece of Object.values(wJoined.view.pieces)) {
+      expect(piece?.color).toBe('w');
+    }
+
+    // White plays e2e4 in two messages: arm + commit.
+    w.send({ type: 'commit', from: 'e2' });
+    await w.waitFor((m) => m.type === 'update' && m.touchedPiece === 'e2');
+    w.send({ type: 'commit', from: 'e2', to: 'e4' });
+
+    // Black should see a moderator announcement white_moved.
+    const bMoved = await b.waitFor((m) =>
+      m.type === 'update' && m.newAnnouncements.some((a) => a.text === 'white_moved'),
+    );
+    expect(bMoved.type).toBe('update');
+
+    w.close();
+    b.close();
+  });
+
+  it('not_your_turn error when black tries to move first', async () => {
+    const { gameId, creatorToken } = await createTestGame('vanilla');
+    const w = await makeClient(gameId);
+    const b = await makeClient(gameId);
+    w.send({ type: 'hello', gameId, token: creatorToken });
+    b.send({ type: 'hello', gameId, joinAs: 'auto' });
+    await b.waitFor((m) => m.type === 'joined');
+    b.send({ type: 'commit', from: 'e7', to: 'e5' });
+    const err = await b.waitFor((m) => m.type === 'error');
+    expect(err.type === 'error' && err.code).toBe('not_your_turn');
+    w.close();
+    b.close();
+  });
+
+  it('rejects malformed messages', async () => {
+    const { gameId, creatorToken } = await createTestGame('blind');
+    const w = await makeClient(gameId);
+    w.send({ type: 'hello', gameId, token: creatorToken });
+    await w.waitFor((m) => m.type === 'joined');
+    w.send({ type: 'commit', from: 'zz', to: 'e4' });
+    const err = await w.waitFor((m) => m.type === 'error');
+    expect(err.type === 'error' && err.code).toBe('malformed');
+    w.close();
+  });
+
+  it('resign: opponent gets game_finished update', async () => {
+    const { gameId, creatorToken } = await createTestGame('vanilla');
+    const w = await makeClient(gameId);
+    const b = await makeClient(gameId);
+    w.send({ type: 'hello', gameId, token: creatorToken });
+    b.send({ type: 'hello', gameId, joinAs: 'auto' });
+    await b.waitFor((m) => m.type === 'joined');
+    w.send({ type: 'resign' });
+    const upd = await b.waitFor((m) =>
+      m.type === 'update' && m.gameStatus === 'finished',
+    );
+    expect(upd.type === 'update' && upd.endReason).toBe('resign');
+    expect(upd.type === 'update' && upd.winner).toBe('b');
+    w.close();
+    b.close();
+  });
+});