553 lines
18 KiB
TypeScript
553 lines
18 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 type * as Rooms from '../db/rooms';
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import { createRequire } from 'node:module';
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import { richeseCards } from '../game/richese-cards';
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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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/** Observe the real dispatcher before its public wrapper drains the saved frame. */
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const observed: { applyActionInner?: typeof engine.applyAction } = {};
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runInNewContext(
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ts.transpileModule(
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readFileSync(new URL('../game/engine.ts', import.meta.url), 'utf8') +
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'\nexport { applyActionInner };\n',
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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: observed,
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require: createRequire(new URL('../game/engine.ts', import.meta.url)),
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crypto: webcrypto,
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structuredClone,
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TextEncoder,
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JSON,
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},
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);
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function inner(g: engine.Game, id: string, action: engine.Action): engine.Game {
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const before = structuredClone(g);
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const next = JSON.parse(
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JSON.stringify(observed.applyActionInner!(g, id, action)),
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);
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assert.deepEqual(g, before);
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return next;
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}
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async function fixture(single = false) {
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const store = unitStore();
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const created = await store.rooms.createRoom(
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'Searcher',
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'atreides',
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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 guild = await store.rooms.joinRoom(code, 'Guild', 'guild');
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const entrant = await store.rooms.joinRoom(code, 'Entrant', 'emperor');
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const tokens = [created.token, guild.token!, entrant.token!];
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const seats = await Promise.all(
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tokens.map((t) => store.restart().authenticate(code, t)),
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);
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async function act(index: number, action: 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, action, clock);
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}
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for (const index of [0, 1, 2]) await act(index, { type: 'ready' });
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await act(0, { type: 'start' });
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const setup = await store.restart().readRoom(code);
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for (const [index, p] of setup.players.entries())
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await act(index, { type: 'traitor', leader: p.traitorChoices[0] });
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const g = await store.restart().readRoom(code);
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assert.equal(g.status, 'playing');
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// Internal component fixture; physical cards come from one base deck and
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// one Richese cache. Credentials and subsequent shipment/search use real APIs.
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Object.assign(g, {
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turn: 2,
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phase: 5,
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storm: 18,
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active: seats[2].playerId,
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order: seats.map((s) => s.playerId),
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movementRemaining: seats.map((s) => s.playerId),
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deck: baseDeck(),
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discard: [],
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richeseCache: richeseCards(),
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decision: null,
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response: null,
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phaseOpening: null,
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pendingKarama: null,
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ready: [],
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});
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for (const p of g.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.shipped = false;
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p.moved = 0;
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p.traitors = [];
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}
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const boxAt = g.richeseCache!.findIndex((c) => c.effect === 'nullentropyBox');
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const box = g.richeseCache!.splice(boxAt, 1)[0];
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g.players[0].hand.push(box);
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for (const name of single
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? ['Shield']
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: ['Shield', 'Maula Pistol', 'Lasgun', 'Baliset']) {
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const at = g.deck.findIndex((c) => c.name === name);
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assert.ok(at >= 0);
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g.discard.push(...g.deck.splice(at, 1));
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}
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const karamaAt = g.deck.findIndex((c) => c.effect === 'karama');
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g.players[2].hand.push(...g.deck.splice(karamaAt, 1));
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const save = (state: 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(state), state.version, code);
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save(g);
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// A genuine paid shipment creates the suspended Guild income response.
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await act(2, { type: 'ship', territory: 'arrakeen', sector: 10, amount: 2 });
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const initial = await store.restart().readRoom(code);
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assert.equal(initial.response?.kind, 'guildIncome');
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assert.equal(initial.response?.amount, 2);
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assert.equal(initial.players[2].spice, 8);
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store.writes.length = 0;
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return {
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...store,
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code,
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seats,
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tokens,
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initial,
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save,
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act,
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box,
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action: { type: 'card', card: box.id } as engine.Action,
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physicalIds: inventory(initial),
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};
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}
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type Fixture = Awaited<ReturnType<typeof fixture>>;
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function inventory(g: engine.Game) {
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const ids = [
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...g.deck,
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...g.discard,
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...(g.richeseCache ?? []),
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...g.players.flatMap((p) => p.hand),
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]
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.map((c) => c.id)
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.sort();
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assert.equal(new Set(ids).size, ids.length);
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return ids;
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}
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function barrier() {
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let release!: () => void,
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arrivals = 0;
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const both = new Promise<void>((resolve) => {
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release = resolve;
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});
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return async () => {
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if (++arrivals === 2) release();
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await both;
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};
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}
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async function paidFrame(f: Fixture) {
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await f.act(0, f.action);
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const paid = await f.restart().readRoom(f.code);
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assert.equal(paid.players[0].spice, 8);
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assert.equal(paid.pendingNullentropy?.player, f.seats[0].playerId);
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assert.deepEqual(paid.discard, f.initial.discard);
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assert.equal(paid.response, null);
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const selected = paid.discard[1];
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const frame = inner(paid, f.seats[0].playerId, {
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type: 'decision',
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event: paid.pendingNullentropy!.event,
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card: selected.id,
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});
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assert.equal(
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frame.pendingTreacheryDiscard?.continuation.kind,
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'nullentropyDiscard',
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);
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assert.equal(frame.pendingNullentropy, null);
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assert.equal(frame.response, null);
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assert.equal(frame.decision, null);
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assert.equal(frame.discard.at(-1)!.id, f.box.id);
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assert.deepEqual(
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frame.pendingTreacheryDiscard!.batch.entries.map((e) => [
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e.card.id,
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e.discardedBy,
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e.publicFace,
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]),
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[[f.box.id, f.seats[0].playerId, true]],
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);
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assert.deepEqual(frame.players[0].hand, [selected]);
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f.save(frame);
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f.writes.length = 0;
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return { frame, paid, selected };
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}
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async function recoverRace(f: Fixture, frame: engine.Game) {
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f.hooks.beforeWrite = barrier();
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await Promise.all([
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f.restart().continueRoomAutomatic(f.code, clock),
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f.restart().continueRoomAutomatic(f.code, clock),
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]);
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f.hooks.beforeWrite = undefined;
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const done = await f.restart().readRoom(f.code);
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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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assert.equal(done.version, frame.version + 1);
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assert.equal(done.pendingTreacheryDiscard, null);
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assert.equal(done.pendingNullentropy, null);
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assert.equal(
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done.resolvedTreacheryDiscardSequence,
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frame.treacheryDiscardSequence,
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);
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assert.deepEqual(
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done.discard,
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frame.discard,
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'the committed Box shuffle is not repeated',
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);
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assert.deepEqual(done.deck, frame.deck);
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assert.deepEqual(
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done.players,
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frame.players,
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'fee, recovered card and paid shipment are not replayed',
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);
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assert.deepEqual(done.response, f.initial.response);
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assert.deepEqual(done.pendingKarama, f.initial.pendingKarama);
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assert.deepEqual(done.phaseOpening, f.initial.phaseOpening);
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assert.deepEqual(inventory(done), f.physicalIds);
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assert.equal(
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done.log.filter((l) => l.text.includes('paid two spice to the bank'))
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.length,
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1,
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);
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assert.equal(
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done.log.filter((l) => l.automatic?.name === 'Nullentropy Box').length,
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1,
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);
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await f.restart().continueRoomAutomatic(f.code, clock);
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assert.deepEqual(await f.restart().readRoom(f.code), done);
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assert.equal(f.writes.length, 2);
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return done;
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}
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void test('paid multi-choice Box inspection is private, and its committed shuffle survives two recovery workers unchanged', async () => {
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const f = await fixture();
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try {
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await f.act(0, f.action);
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const paid = await f.restart().readRoom(f.code);
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assert.equal(f.writes.length, 1);
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assert.equal(paid.players[0].spice, 8);
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for (const [index, token] of f.tokens.entries()) {
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const auth = await f.restart().authenticate(f.code, token);
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const view = await f.restart().readSeatView(f.code, auth);
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if (index === 0) {
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assert.deepEqual(
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view.nullentropy!.search!.cards.map((c) => c.id).sort(),
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paid.discard.map((c) => c.id).sort(),
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);
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} else {
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assert.equal(view.nullentropy, null);
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for (const card of paid.discard)
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assert.equal(JSON.stringify(view).includes(card.id), false);
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}
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}
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await f.restart().continueRoomAutomatic(f.code, clock);
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assert.deepEqual(await f.restart().readRoom(f.code), paid);
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assert.equal(f.writes.length, 1);
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const selected = paid.discard[1];
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const selection = {
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type: 'decision',
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event: paid.pendingNullentropy!.event,
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card: selected.id,
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};
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await assert.rejects(
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f.restart().act(f.code, f.seats[1], paid.version, selection, clock),
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/owner/,
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);
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await assert.rejects(
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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.seats[0],
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paid.version,
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{ ...selection, event: 'old-search' },
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clock,
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),
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/stale/,
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);
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assert.deepEqual(await f.restart().readRoom(f.code), paid);
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assert.equal(f.writes.length, 1);
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const frame = inner(paid, f.seats[0].playerId, selection);
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assert.equal(
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frame.pendingTreacheryDiscard?.continuation.kind,
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'nullentropyDiscard',
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);
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assert.deepEqual(frame.players[0].hand, [selected]);
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assert.equal(frame.discard.at(-1)!.id, f.box.id);
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f.save(frame);
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f.writes.length = 0;
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for (const [index, token] of f.tokens.entries()) {
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const auth = await f.restart().authenticate(f.code, token);
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const view = await f.restart().readSeatView(f.code, auth);
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assert.equal(view.automaticContinuationPending, true);
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assert.equal(f.restart().needsAutomaticRoomRecovery(view), true);
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assert.equal(Object.hasOwn(view, 'pendingTreacheryDiscard'), false);
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assert.equal(view.nullentropy, null);
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assert.equal(view.response, null);
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if (index !== 0)
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assert.equal(JSON.stringify(view).includes(selected.id), false);
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for (const [seat, p] of view.players.entries())
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assert.deepEqual(
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p.hand,
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seat === index ? frame.players[seat].hand : undefined,
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);
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}
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assert.equal(f.writes.length, 0);
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const done = await recoverRace(f, frame);
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assert.equal(done.players[0].spice, 8);
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assert.equal(
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done.players[1].spice,
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10,
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'restoring the income response does not pay it twice or early',
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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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void test('a sole Box candidate completes in one original paid CAS without a second choice or duplicate fee', async () => {
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const f = await fixture(true);
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try {
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const selected = f.initial.discard[0];
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f.hooks.beforeWrite = barrier();
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const results = await Promise.allSettled([
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f.restart().act(f.code, f.seats[0], f.initial.version, f.action, clock),
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f.restart().act(f.code, f.seats[0], f.initial.version, f.action, clock),
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]);
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f.hooks.beforeWrite = undefined;
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assert.equal(results.filter((r) => r.status === 'fulfilled').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 done = await f.restart().readRoom(f.code);
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assert.equal(done.version, f.initial.version + 1);
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assert.equal(done.players[0].spice, 8);
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assert.deepEqual(done.players[0].hand, [selected]);
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assert.deepEqual(done.discard, [f.box]);
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assert.equal(done.pendingNullentropy, null);
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assert.equal(done.pendingTreacheryDiscard, null);
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assert.equal(done.resolvedTreacheryDiscardSequence, 1);
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assert.equal(done.decision, null);
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assert.deepEqual(done.response, f.initial.response);
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assert.deepEqual(inventory(done), f.physicalIds);
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assert.equal(
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done.log.filter((l) => l.text.includes('paid two spice to the bank'))
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.length,
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1,
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);
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await f.restart().continueRoomAutomatic(f.code, clock);
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assert.deepEqual(await f.restart().readRoom(f.code), done);
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assert.equal(f.writes.length, 2);
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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('corrupted post-Box custody, pile order and selected receipt reject before any SQL write', async () => {
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const f = await fixture();
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try {
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const { frame } = await paidFrame(f);
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const continuation = (g: engine.Game) => {
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const c = g.pendingTreacheryDiscard!.continuation;
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if (c.kind !== 'nullentropyDiscard') throw Error('Missing Box frame');
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return c;
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};
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for (const mutate of [
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(g: engine.Game) => {
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g.pendingTreacheryDiscard!.batch.event = 'stale-discard';
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},
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(g: engine.Game) => {
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continuation(g).player = f.seats[1].playerId;
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},
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(g: engine.Game) => {
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continuation(g).selected = structuredClone(g.deck[0]);
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},
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(g: engine.Game) => {
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g.discard.reverse();
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},
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(g: engine.Game) => {
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continuation(g).finalDiscardSignature = '[]';
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},
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(g: engine.Game) => {
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|
continuation(g).resume.response!.amount = 999;
|
|
},
|
|
(g: engine.Game) => {
|
|
continuation(g).searchEvent = 'different-paid-search';
|
|
},
|
|
(g: engine.Game) => {
|
|
continuation(g).finalDiscardIds.reverse();
|
|
},
|
|
(g: engine.Game) => {
|
|
g.deck.push(structuredClone(g.players[0].hand[0]));
|
|
},
|
|
(g: engine.Game) => {
|
|
g.players[0].hand.push(structuredClone(f.box));
|
|
},
|
|
]) {
|
|
const bad = structuredClone(frame);
|
|
mutate(bad);
|
|
f.save(bad);
|
|
await assert.rejects(f.restart().readSeatView(f.code, f.seats[0]));
|
|
await assert.rejects(f.restart().continueRoomAutomatic(f.code, clock));
|
|
await assert.rejects(
|
|
f
|
|
.restart()
|
|
.act(f.code, f.seats[0], bad.version, { type: 'ready' }, clock),
|
|
);
|
|
assert.deepEqual(await f.restart().readRoom(f.code), bad);
|
|
assert.equal(f.writes.length, 0);
|
|
}
|
|
} finally {
|
|
f.sqlite.close();
|
|
}
|
|
});
|
|
void test('a retired Box frame and stale original selection cannot recover the card or shuffle again', async () => {
|
|
const f = await fixture();
|
|
try {
|
|
const { frame, paid, selected } = await paidFrame(f);
|
|
const done = await recoverRace(f, frame);
|
|
await assert.rejects(
|
|
f.restart().act(
|
|
f.code,
|
|
f.seats[0],
|
|
paid.version,
|
|
{
|
|
type: 'decision',
|
|
event: paid.pendingNullentropy!.event,
|
|
card: selected.id,
|
|
},
|
|
clock,
|
|
),
|
|
/table changed/,
|
|
);
|
|
const replay = structuredClone(done);
|
|
replay.pendingTreacheryDiscard = structuredClone(
|
|
frame.pendingTreacheryDiscard,
|
|
);
|
|
f.save(replay);
|
|
const writes = f.writes.length;
|
|
await assert.rejects(
|
|
f.restart().continueRoomAutomatic(f.code, clock),
|
|
/sequence/,
|
|
);
|
|
await assert.rejects(
|
|
f
|
|
.restart()
|
|
.act(
|
|
f.code,
|
|
f.seats[0],
|
|
replay.version,
|
|
{ type: 'setAutopilot', difficulty: 'Easy' },
|
|
clock,
|
|
),
|
|
/sequence/,
|
|
);
|
|
assert.deepEqual(await f.restart().readRoom(f.code), replay);
|
|
assert.equal(f.writes.length, writes);
|
|
} finally {
|
|
f.sqlite.close();
|
|
}
|
|
});
|