615 lines
20 KiB
TypeScript
615 lines
20 KiB
TypeScript
import test from 'node:test';
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import assert from 'node:assert/strict';
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import { webcrypto } from 'node:crypto';
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import { readFileSync, readdirSync } from 'node:fs';
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import { DatabaseSync } from 'node:sqlite';
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import { runInNewContext } from 'node:vm';
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import ts from 'typescript';
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import * as engine from '../game/engine';
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import * as bots from '../game/bots';
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import { baseDeck, createAuditorLeader } from '../game/cards';
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import type * as Rooms from '../db/rooms';
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/** Execute the production room module and SQL, with a hook immediately before its CAS. */
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function unitStore(runBots = bots.runBots) {
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const sqlite = new DatabaseSync(':memory:');
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const hooks: { beforeWrite?: () => Promise<void> } = {};
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const writes: { expected: number; changes: number }[] = [];
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for (const file of readdirSync(new URL('../drizzle/', import.meta.url))
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.filter((f) => f.endsWith('.sql'))
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.sort())
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sqlite.exec(
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readFileSync(new URL('../drizzle/' + file, import.meta.url), 'utf8'),
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);
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class Statement {
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values: (string | number | null)[] = [];
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constructor(readonly sql: string) {}
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bind(...values: (string | number | null)[]) {
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this.values = values;
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return this;
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}
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async first() {
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return sqlite.prepare(this.sql).get(...this.values) ?? null;
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}
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async run() {
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const continuation = this.sql.startsWith('UPDATE rooms SET state');
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if (continuation) await hooks.beforeWrite?.();
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const changes = Number(
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sqlite.prepare(this.sql).run(...this.values).changes,
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);
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if (continuation)
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writes.push({ expected: Number(this.values[3]), changes });
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return { meta: { changes } };
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}
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}
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const database = {
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prepare: (sql: string) => new Statement(sql),
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batch: async (statements: Statement[]) => {
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sqlite.exec('BEGIN');
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try {
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const results = [];
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for (const statement of statements) results.push(await statement.run());
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sqlite.exec('COMMIT');
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return results;
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} catch (error) {
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sqlite.exec('ROLLBACK');
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throw error;
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}
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},
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};
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function loadRooms() {
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const exports = {};
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runInNewContext(
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ts.transpileModule(
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readFileSync(new URL('../db/rooms.ts', import.meta.url), 'utf8'),
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{
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compilerOptions: {
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module: ts.ModuleKind.CommonJS,
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target: ts.ScriptTarget.ES2022,
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},
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},
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).outputText,
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{
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exports,
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crypto: webcrypto,
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TextEncoder,
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structuredClone,
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// Keep persisted JSON values in the test realm for strict structural assertions.
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JSON,
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require: (name: string) => {
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if (name === 'cloudflare:workers') return { env: { DB: database } };
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if (name === '@/game/engine') return engine;
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if (name === '@/game/bots') return { ...bots, runBots };
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throw new Error('Unexpected module ' + name);
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},
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},
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);
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return exports as typeof Rooms;
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}
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return { rooms: loadRooms(), restart: loadRooms, sqlite, hooks, writes };
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}
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const clock: Rooms.RoomsClock = { now: () => 10000, sleep: async () => {} };
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async function fixture() {
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const store = unitStore();
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const created = await store.rooms.createRoom(
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'Auditor owner',
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'guild',
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false,
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[],
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);
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const code = created.view.code;
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const enemy = await store.rooms.joinRoom(code, 'Audited opponent', 'emperor');
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const observer = await store.rooms.joinRoom(code, 'Observer', 'atreides');
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const tokens = [created.token, enemy.token!, observer.token!];
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const seats = await Promise.all(
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tokens.map((token) => store.rooms.authenticate(code, token)),
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);
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const action = async (index: number, command: engine.Action) => {
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const current = await store.restart().readRoom(code);
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await store
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.restart()
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.act(code, seats[index], current.version, command, clock);
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return store.restart().readRoom(code);
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};
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for (const index of [0, 1, 2]) await action(index, { type: 'ready' });
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const started = await action(0, { type: 'start' });
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for (const [index, player] of started.players.entries())
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if (player.traitorChoices.length)
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await action(index, {
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type: 'traitor',
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leader: player.traitorChoices[0],
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});
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const initial = await store.restart().readRoom(code);
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assert.equal(initial.status, 'playing');
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Object.assign(initial, {
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advanced: true,
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phase: 6,
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turn: 2,
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storm: 18,
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active: null,
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order: seats.map((seat) => seat.playerId),
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deck: baseDeck(),
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discard: [],
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decision: null,
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response: null,
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phaseOpening: null,
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battle: null,
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lastBattle: [seats[0].playerId, seats[1].playerId],
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});
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Object.assign(
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initial.players[0],
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engine.newPlayer(seats[0].playerId, 'Auditor owner', 'choam'),
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);
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initial.players[0].leaders.push(createAuditorLeader());
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for (const player of initial.players) {
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player.hand = [];
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player.spice = 10;
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player.forces = {};
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player.reserves = 20;
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player.traitors = [];
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player.traitorChoices = [];
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player.ally = null;
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delete player.elites;
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}
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const opponent = initial.players[1];
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for (const kind of ['shield', 'poison', 'worthless', 'karama']) {
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const index = initial.deck.findIndex((card) =>
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kind === 'karama' ? card.effect === kind : card.kind === kind,
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);
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assert.ok(index >= 0);
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opponent.hand.push(initial.deck.splice(index, 1)[0]);
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}
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const event = 'f3c0907c-0881-428d-858d-71f052a4d3d6';
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initial.pendingAuditor = {
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event,
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owner: seats[0].playerId,
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opponent: seats[1].playerId,
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territory: 'arrakeen',
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turn: 2,
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survived: true,
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usedCards: [opponent.hand[0].id],
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stage: 'offer',
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};
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initial.decision = { kind: 'choamAudit', player: seats[0].playerId, event };
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// This fixture is confined to one real in-memory SQLite room. Subsequent
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// reads, authentication, recovery, normalization and actions use production APIs.
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store.sqlite
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.prepare('UPDATE rooms SET state=?,version=? WHERE code=?')
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.run(JSON.stringify(initial), initial.version, code);
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store.writes.length = 0;
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return { ...store, code, seats, tokens, action, initial, event };
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}
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type Fixture = Awaited<ReturnType<typeof fixture>>;
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void test('background recovery completes empty offers and unaffordable audit payments exactly once', async () => {
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for (const stage of ['offer', 'payment'] as const) {
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const f = await fixture();
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try {
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const initial =
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stage === 'payment' ? await payment(f) : structuredClone(f.initial);
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const opponent = initial.players[1];
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if (stage === 'offer') initial.discard.push(...opponent.hand.splice(0));
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else opponent.spice = 0;
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f.sqlite
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.prepare('UPDATE rooms SET state=?,version=? WHERE code=?')
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.run(JSON.stringify(initial), initial.version, f.code);
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f.writes.length = 0;
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const snapshot = await f.restart().readSeatView(f.code, f.seats[0]);
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assert.equal(f.restart().needsAutomaticRoomRecovery(snapshot), true);
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assert.deepEqual(await f.restart().readRoom(f.code), initial);
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await f.restart().continueRoomAutomatic(f.code, clock);
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const after = await f.restart().readRoom(f.code);
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assert.equal(after.pendingAuditor, null);
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assert.notEqual(after.decision?.kind, 'choamAudit');
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assert.notEqual(after.decision?.kind, 'choamAuditPayment');
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assert.equal(
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after.auditorInsight?.cards.length ?? 0,
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stage === 'payment' ? 2 : 0,
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);
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assert.equal(after.players[1].spice, opponent.spice);
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assert.equal(after.version, initial.version + 1);
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await assertPrivate(f, after);
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await f.restart().continueRoomAutomatic(f.code, clock);
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assert.deepEqual(await f.restart().readRoom(f.code), after);
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assert.equal(f.writes.length, 1);
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} finally {
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f.sqlite.close();
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}
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}
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});
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async function rejectUnchanged(
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f: Fixture,
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index: number,
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command: engine.Action,
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version?: number,
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) {
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const before = await f.restart().readRoom(f.code),
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writes = f.writes.length;
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await assert.rejects(
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f
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.restart()
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.act(f.code, f.seats[index], version ?? before.version, command, clock),
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);
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assert.equal(f.writes.length, writes);
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assert.deepEqual(await f.restart().readRoom(f.code), before);
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}
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async function payment(f: Fixture, recoverResponse = false) {
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let response = await f.action(0, {
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type: 'decision',
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event: f.event,
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audit: true,
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});
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assert.equal(response.pendingAuditor?.stage, 'response');
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assert.equal(response.response?.kind, 'choamAudit');
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if (recoverResponse) response = await recover(f, '3');
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assert.deepEqual(await f.restart().readRoom(f.code), response);
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await f.restart().continueRoomAutomatic(f.code, clock);
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assert.deepEqual(await f.restart().readRoom(f.code), response);
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const g = await f.action(1, { type: 'passResponse' });
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assert.equal(g.pendingAuditor?.stage, 'payment');
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assert.equal(g.decision?.kind, 'choamAuditPayment');
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return g;
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}
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async function recover(f: Fixture, suffix: '1' | '2' | '3') {
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const before = await f.restart().readRoom(f.code);
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const recoverySecret = suffix.repeat(64),
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newSessionToken = { '1': 'a', '2': 'b', '3': 'c' }[suffix].repeat(64);
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await f
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.restart()
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.setRecoveryKey(f.code, f.seats[0], before.version, recoverySecret);
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await f.restart().recoverSeat(f.code, {
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playerId: f.seats[0].playerId,
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recoverySecret,
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operationId: `adc66321-1681-4b3c-af04-e812c538bd0${suffix}`,
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newSessionToken,
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});
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await assert.rejects(f.restart().authenticate(f.code, f.tokens[0]));
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f.tokens[0] = newSessionToken;
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f.seats[0] = await f.restart().authenticate(f.code, newSessionToken);
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const after = await f.restart().readRoom(f.code);
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assert.deepEqual(after.players, before.players);
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assert.deepEqual(after.pendingAuditor, before.pendingAuditor);
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assert.deepEqual(after.auditorInsight, before.auditorInsight);
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assert.deepEqual(after.decision, before.decision);
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assert.deepEqual(after.response, before.response);
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return after;
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}
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async function toCollection(f: Fixture) {
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let g = await f.restart().readRoom(f.code);
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if (g.decision?.kind === 'choamMarket')
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g = await f.action(0, { type: 'decision', done: true });
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assert.equal(g.phase, 7);
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assert.equal(g.pendingAuditor, null);
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return g;
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}
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async function assertPrivate(f: Fixture, g: engine.Game) {
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for (const [index, seat] of f.seats.entries()) {
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const view = await f.restart().readSeatView(f.code, seat);
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assert.deepEqual(
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view.auditorInsight,
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index === 0 ? (g.auditorInsight ?? null) : null,
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);
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for (const player of view.players)
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assert.deepEqual(
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player.hand,
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player.id === seat.playerId
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? g.players.find((p) => p.id === player.id)!.hand
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: undefined,
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);
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assert.ok(!Object.hasOwn(view, 'pendingAuditor'));
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}
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}
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async function race(f: Fixture, commands: [engine.Action, engine.Action]) {
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const before = await f.restart().readRoom(f.code);
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let release!: () => void,
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arrivals = 0;
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const wait = new Promise<void>((resolve) => {
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release = resolve;
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});
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f.writes.length = 0;
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f.hooks.beforeWrite = async () => {
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if (++arrivals === 2) release();
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await wait;
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};
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try {
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const results = await Promise.allSettled(
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commands.map((command) =>
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f.restart().act(f.code, f.seats[1], before.version, command, clock),
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),
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);
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assert.equal(results.filter((r) => r.status === 'fulfilled').length, 1);
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assert.equal(results.filter((r) => r.status === 'rejected').length, 1);
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assert.deepEqual(
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f.writes.map((w) => w.changes).sort((a, b) => a - b),
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[0, 1],
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);
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const after = await f.restart().readRoom(f.code);
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assert.equal(after.version, before.version + 1);
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return after;
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} finally {
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f.hooks.beforeWrite = undefined;
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}
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}
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void test('Auditor offer, live cancellation and payment survive module reload and genuine seat recovery', async () => {
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const f = await fixture();
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try {
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assert.deepEqual(await f.restart().readRoom(f.code), f.initial);
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await f.restart().continueRoomAutomatic(f.code, clock);
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assert.equal(f.writes.length, 0);
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await recover(f, '1');
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const pending = await payment(f, true);
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await assertPrivate(f, pending);
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const writes = f.writes.length;
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await f.restart().continueRoomAutomatic(f.code, clock);
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assert.equal(f.writes.length, writes);
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assert.deepEqual(await f.restart().readRoom(f.code), pending);
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await recover(f, '2');
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const result = await f.action(1, {
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type: 'decision',
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event: f.event,
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pay: false,
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});
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assert.equal(result.auditorInsight?.cards.length, 2);
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assert.ok(
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result.auditorInsight?.cards.every(
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(card) => !f.initial.pendingAuditor!.usedCards.includes(card.id),
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),
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);
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const final = await toCollection(f);
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await assertPrivate(f, final);
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const count = f.writes.length;
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for (let i = 0; i < 3; i++) {
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await f.restart().continueRoomAutomatic(f.code, clock);
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assert.deepEqual(await f.restart().readRoom(f.code), final);
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await assertPrivate(f, final);
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}
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assert.equal(f.writes.length, count);
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} finally {
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f.sqlite.close();
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}
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});
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void test('Auditor wrong actor, stale event and obsolete count cause zero SQLite state writes', async () => {
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const f = await fixture();
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try {
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await rejectUnchanged(f, 1, {
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type: 'decision',
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event: f.event,
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audit: true,
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});
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await rejectUnchanged(f, 0, {
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type: 'decision',
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event: 'stale',
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audit: true,
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});
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const pending = await payment(f);
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await rejectUnchanged(f, 0, {
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type: 'decision',
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event: f.event,
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pay: true,
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count: 2,
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});
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await rejectUnchanged(f, 1, {
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type: 'decision',
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event: 'stale',
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pay: true,
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count: 2,
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});
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for (const count of [0, 1, 3, -1])
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await rejectUnchanged(f, 1, {
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type: 'decision',
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event: f.event,
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pay: true,
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count,
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});
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await rejectUnchanged(f, 1, {
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type: 'decision',
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event: f.event,
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pay: false,
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count: 2,
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});
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assert.deepEqual(await f.restart().readRoom(f.code), pending);
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} finally {
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f.sqlite.close();
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}
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});
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void test('concurrent duplicate payment, duplicate inspection and payment versus inspection settle one audit once', async () => {
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for (const mode of ['pay', 'allow', 'competing'] as const) {
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const f = await fixture();
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try {
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const pending = await payment(f);
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const pay: engine.Action = {
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type: 'decision',
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event: f.event,
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pay: true,
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count: 2,
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};
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const allow: engine.Action = {
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type: 'decision',
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event: f.event,
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pay: false,
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};
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const after = await race(
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f,
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mode === 'pay'
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? [pay, pay]
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: mode === 'allow'
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? [allow, allow]
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: [pay, allow],
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);
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const inspected = !!after.auditorInsight;
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if (mode !== 'competing') assert.equal(inspected, mode === 'allow');
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assert.deepEqual(
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after.players.map((p) => p.spice),
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inspected ? [10, 10, 10] : [12, 8, 10],
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);
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assert.deepEqual(
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after.players.map((p) => p.hand),
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pending.players.map((p) => p.hand),
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);
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assert.deepEqual(after.deck, pending.deck);
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assert.deepEqual(after.discard, pending.discard);
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assert.equal(after.pendingAuditor, null);
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if (inspected) {
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const cards = after.auditorInsight!.cards;
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assert.equal(cards.length, 2);
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assert.equal(new Set(cards.map((c) => c.id)).size, 2);
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assert.ok(
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cards.every(
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(card) =>
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pending.players[1].hand.some((c) => c.id === card.id) &&
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!pending.pendingAuditor!.usedCards.includes(card.id),
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),
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);
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}
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await rejectUnchanged(f, 1, pay, pending.version);
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await rejectUnchanged(f, 1, allow);
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const final = await toCollection(f);
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await assertPrivate(f, final);
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if (inspected) {
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await recover(f, '1');
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const restored = await f.restart().readRoom(f.code);
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|
assert.deepEqual(restored.auditorInsight, final.auditorInsight);
|
|
await assertPrivate(f, restored);
|
|
}
|
|
} finally {
|
|
f.sqlite.close();
|
|
}
|
|
}
|
|
});
|
|
|
|
void test('corrupt saved Auditor bindings reject actions and normalization while credential recovery preserves readable state', async () => {
|
|
const corruptions: [string, (g: engine.Game) => void][] = [
|
|
[
|
|
'pending turn',
|
|
(g) => {
|
|
g.pendingAuditor!.turn--;
|
|
},
|
|
],
|
|
[
|
|
'decision event',
|
|
(g) => {
|
|
assert.equal(g.decision?.kind, 'choamAudit');
|
|
if (g.decision?.kind === 'choamAudit') g.decision.event = 'stale-event';
|
|
},
|
|
],
|
|
[
|
|
'last battle pair',
|
|
(g) => {
|
|
g.lastBattle[1] = g.players[2].id;
|
|
},
|
|
],
|
|
[
|
|
'foreign owner',
|
|
(g) => {
|
|
// Keep the battle pair and decision internally aligned, isolating native custody.
|
|
g.pendingAuditor!.owner = g.players[2].id;
|
|
g.lastBattle[0] = g.players[2].id;
|
|
g.decision = {
|
|
kind: 'choamAudit',
|
|
player: g.players[2].id,
|
|
event: g.pendingAuditor!.event,
|
|
};
|
|
},
|
|
],
|
|
[
|
|
'invalid stage',
|
|
(g) => {
|
|
Object.assign(g.pendingAuditor!, { stage: 'finished' });
|
|
},
|
|
],
|
|
[
|
|
'missing payment continuation',
|
|
(g) => {
|
|
g.pendingAuditor!.stage = 'payment';
|
|
g.decision = null;
|
|
},
|
|
],
|
|
[
|
|
'missing response continuation',
|
|
(g) => {
|
|
g.pendingAuditor!.stage = 'response';
|
|
g.decision = null;
|
|
},
|
|
],
|
|
[
|
|
'nested response event',
|
|
(g) => {
|
|
const pending = g.pendingAuditor!;
|
|
pending.stage = 'response';
|
|
g.decision = null;
|
|
// A matching direct parent must not hide a mismatched stored cancellation.
|
|
g.response = {
|
|
kind: 'choamAudit',
|
|
owner: pending.owner,
|
|
intent: pending.event,
|
|
passed: [],
|
|
};
|
|
g.pendingKarama = {
|
|
owner: pending.opponent,
|
|
use: {
|
|
kind: 'cancel',
|
|
response: { ...g.response, intent: 'stale-event' },
|
|
},
|
|
};
|
|
},
|
|
],
|
|
];
|
|
for (const [label, corrupt] of corruptions) {
|
|
const f = await fixture();
|
|
try {
|
|
const malformed = structuredClone(f.initial);
|
|
corrupt(malformed);
|
|
f.sqlite
|
|
.prepare('UPDATE rooms SET state=? WHERE code=?')
|
|
.run(JSON.stringify(malformed), f.code);
|
|
const before = await f.restart().readRoom(f.code);
|
|
assert.throws(
|
|
() => engine.normalizeAutomaticGame(before),
|
|
/Auditor/,
|
|
label,
|
|
);
|
|
assert.deepEqual(before, malformed, label);
|
|
await assert.rejects(
|
|
f
|
|
.restart()
|
|
.act(
|
|
f.code,
|
|
f.seats[0],
|
|
before.version,
|
|
{ type: 'decision', event: f.event, audit: true },
|
|
clock,
|
|
),
|
|
/Auditor/,
|
|
label,
|
|
);
|
|
assert.equal(f.writes.length, 0, label);
|
|
assert.deepEqual(await f.restart().readRoom(f.code), before, label);
|
|
await assertPrivate(f, before);
|
|
|
|
const restored = await recover(f, '1');
|
|
assert.deepEqual({ ...restored, version: before.version }, before, label);
|
|
await assertPrivate(f, restored);
|
|
assert.equal(f.writes.length, 0, label);
|
|
// Recovering authentication deliberately neither normalizes nor repairs gameplay.
|
|
assert.throws(
|
|
() => engine.normalizeAutomaticGame(restored),
|
|
/Auditor/,
|
|
label,
|
|
);
|
|
await rejectUnchanged(f, 0, {
|
|
type: 'decision',
|
|
event: f.event,
|
|
audit: true,
|
|
});
|
|
} finally {
|
|
f.sqlite.close();
|
|
}
|
|
}
|
|
});
|