400 lines
13 KiB
TypeScript
400 lines
13 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 } from '../game/cards';
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import { richeseCards } from '../game/richese-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 made = await store.rooms.createRoom('Holder', 'guild', false, []),
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code = made.view.code;
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const joined = await store.rooms.joinRoom(code, 'Opponent', 'atreides'),
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third = await store.rooms.joinRoom(code, 'Observer', 'emperor');
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const owner = await store.rooms.authenticate(code, made.token),
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other = await store.rooms.authenticate(code, joined.token!),
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observer = await store.rooms.authenticate(code, third.token!);
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const old = await store.rooms.readRoom(code);
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let initial = engine.createGame(
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code,
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engine.newPlayer(owner.playerId, 'Holder', 'richese'),
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false,
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['choam'],
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);
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initial.players.push(
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engine.newPlayer(other.playerId, 'Opponent', 'guild'),
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engine.newPlayer(observer.playerId, 'Observer', 'emperor'),
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);
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Object.assign(initial, {
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version: old.version,
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status: 'playing',
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phase: 6,
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turn: 2,
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active: owner.playerId,
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order: initial.players.map((p) => p.id),
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storm: 18,
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deck: baseDeck(),
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richeseCache: richeseCards(),
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});
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for (const p of initial.players) {
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p.hand = [];
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p.spice = 10;
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p.forces = {};
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p.reserves = 20;
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p.traitors = [];
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for (const l of p.leaders) l.strength = 0;
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}
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for (const p of initial.players.slice(0, 2)) {
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p.forces = { 'arrakeen:10': 5 };
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p.reserves = 15;
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}
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const card = initial.richeseCache!.find(
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(c) => c.effect === 'portableSnooper',
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)!;
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initial.richeseCache = initial.richeseCache!.filter((c) => c.id !== card.id);
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initial.players[0].hand.push(card);
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const weapon = initial.deck.splice(
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initial.deck.findIndex((c) => c.name === 'Chaumas'),
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1,
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)[0];
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initial.players[1].hand.push(weapon);
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initial = engine.applyAction(initial, owner.playerId, {
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type: 'chooseBattle',
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target: other.playerId,
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territory: 'arrakeen',
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});
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for (const id of [owner.playerId, other.playerId])
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initial = engine.applyAction(initial, id, {
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type: 'battlePreparationReady',
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event: initial.battle!.event,
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});
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initial = engine.applyAction(initial, owner.playerId, {
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type: 'battlePlan',
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dial: 3,
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leader: initial.players[0].leaders[0].id,
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});
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initial = engine.applyAction(initial, other.playerId, {
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type: 'battlePlan',
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dial: 1,
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leader: initial.players[1].leaders[0].id,
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weapon: weapon.id,
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});
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const save = (g: engine.Game) =>
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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(g), g.version, code);
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save(initial);
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store.writes.length = 0;
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const action: engine.Action = {
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type: 'portableSnooper',
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card: card.id,
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event: initial.battle!.event,
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},
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call: engine.Action = { type: 'traitorCall', call: false };
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return {
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...store,
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code,
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owner,
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other,
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observer,
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initial,
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card,
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action,
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call,
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save,
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};
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}
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function barrier() {
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let release!: () => void;
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const p = new Promise<void>((resolve) => {
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release = resolve;
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});
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let count = 0;
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return async () => {
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if (++count === 2) release();
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await p;
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};
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}
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function once(
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results: PromiseSettledResult<unknown>[],
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writes: { changes: number }[],
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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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writes.map((w) => w.changes).sort((a, b) => a - b),
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[0, 1],
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);
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}
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void test('duplicate authenticated late plays reserve one physical card; restart and all private views preserve the original sealed plans', async () => {
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const f = await fixture();
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try {
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const before = await f.rooms.readSeatView(f.code, f.other);
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assert.equal(before.portableSnooper, null);
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assert.deepEqual(before.battle!.lateDefense, {});
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assert.ok(!before.battle!.cards.some((c) => c.id === f.card.id));
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assert.equal(
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(await f.rooms.readSeatView(f.code, f.owner)).portableSnooper!.blocked,
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null,
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);
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f.hooks.beforeWrite = barrier();
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const results = await Promise.allSettled([
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f.rooms.act(f.code, f.owner, f.initial.version, f.action, clock),
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f.restart().act(f.code, f.owner, f.initial.version, f.action, clock),
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]);
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f.hooks.beforeWrite = undefined;
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once(results, f.writes);
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const current = await f.restart().readRoom(f.code);
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assert.equal(current.version, f.initial.version + 1);
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assert.deepEqual(current.battle!.plans, f.initial.battle!.plans);
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assert.deepEqual(current.battle!.lateDefense, {
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[f.owner.playerId]: f.card.id,
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});
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assert.equal(
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current.players[0].hand.filter((c) => c.id === f.card.id).length,
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1,
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);
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assert.equal(
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current.discard.some((c) => c.id === f.card.id),
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false,
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);
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const publicView = await f.restart().readSeatView(f.code, f.observer);
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assert.equal(publicView.battle!.lateDefense[f.owner.playerId], f.card.id);
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assert.ok(publicView.battle!.cards.some((c) => c.id === f.card.id));
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assert.equal(publicView.portableSnooper, null);
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await assert.rejects(
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f.restart().act(f.code, f.owner, current.version, f.action, clock),
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/already added/,
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);
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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.rooms.readRoom(f.code), current);
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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('competing own late-play and traitor submission are CAS fenced and cannot retrofit protection after a committed pass', async () => {
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for (const protectedLeader of [true, false]) {
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const f = await fixture();
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try {
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let entered!: () => void, release!: () => void;
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const parked = new Promise<void>((resolve) => {
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entered = resolve;
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});
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const resume = new Promise<void>((resolve) => {
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release = resolve;
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});
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let count = 0;
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f.hooks.beforeWrite = async () => {
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if (++count === 1) {
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entered();
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await resume;
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}
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};
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// Park the losing request after full engine validation, then commit the other
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// action. Both opposite orderings are exercised deterministically.
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const losing = Promise.allSettled([
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f.rooms.act(
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f.code,
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f.owner,
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f.initial.version,
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protectedLeader ? f.call : f.action,
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clock,
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),
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]);
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await parked;
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const winner = await Promise.allSettled([
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f
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.restart()
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.act(
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f.code,
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f.owner,
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f.initial.version,
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protectedLeader ? f.action : f.call,
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clock,
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),
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]);
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release();
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const results = [...(await losing), ...winner];
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f.hooks.beforeWrite = undefined;
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once(results, f.writes);
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assert.equal(results[0].status, 'rejected');
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assert.equal(results[1].status, 'fulfilled');
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let current = await f.restart().readRoom(f.code);
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if (protectedLeader)
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await f.rooms.act(f.code, f.owner, current.version, f.call, clock);
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else
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await assert.rejects(
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f.rooms.act(f.code, f.owner, current.version, f.action, clock),
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/closed/,
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);
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current = await f.rooms.readRoom(f.code);
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assert.equal(
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!!current.battle!.lateDefense?.[f.owner.playerId],
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protectedLeader,
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);
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await f.restart().act(f.code, f.other, current.version, f.call, clock);
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current = await f.rooms.readRoom(f.code);
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assert.equal(current.battle, null);
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assert.equal(current.players[0].leaders[0].dead, !protectedLeader);
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if (protectedLeader) {
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assert.equal(current.decision?.kind, 'battleCards');
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await f.rooms.act(
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f.code,
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f.owner,
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current.version,
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{ type: 'decision', discard: [f.card.id] },
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clock,
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);
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const done = await f.rooms.readRoom(f.code);
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assert.equal(done.discard.filter((c) => c.id === f.card.id).length, 1);
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assert.equal(
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done.players[0].hand.some((c) => c.id === f.card.id),
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false,
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);
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}
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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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void test('opponent pass does not steal the late opportunity and stale event, forged credential or corrupted reservation never commits', async () => {
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const f = await fixture();
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try {
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await f.rooms.act(f.code, f.other, f.initial.version, f.call, clock);
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let current = await f.rooms.readRoom(f.code);
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assert.ok(current.battle);
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await assert.rejects(
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f.rooms.act(
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f.code,
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f.owner,
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current.version,
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{ ...f.action, event: 'old' },
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clock,
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),
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/event/,
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);
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await assert.rejects(
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f.rooms.act(
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f.code,
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{ ...f.owner, tokenHash: f.other.tokenHash },
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current.version,
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f.action,
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clock,
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),
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/Another action/,
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);
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assert.deepEqual(await f.rooms.readRoom(f.code), current);
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await f.restart().act(f.code, f.owner, current.version, f.action, clock);
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current = await f.rooms.readRoom(f.code);
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const corrupt = structuredClone(current);
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corrupt.players[0].hand = [];
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f.save(corrupt);
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await assert.rejects(
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f.rooms.act(f.code, f.owner, corrupt.version, f.call, clock),
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/missing/,
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);
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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.rooms.readRoom(f.code), corrupt);
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f.save(current);
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await f.restart().act(f.code, f.owner, current.version, f.call, clock);
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const settled = await f.rooms.readRoom(f.code);
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assert.equal(settled.players[0].leaders[0].dead, false);
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} finally {
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f.sqlite.close();
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}
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});
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