450 lines
15 KiB
TypeScript
450 lines
15 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 { FactionId } from '../game/catalog';
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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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factions: FactionId[] = ['beneGesserit', 'fremen', 'harkonnen', 'atreides'],
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) {
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const store = unitStore();
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const created = await store.rooms.createRoom(
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'Setup host',
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factions[0],
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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 tokens = [created.token];
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for (const faction of factions.slice(1))
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tokens.push(
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(await store.rooms.joinRoom(code, `${faction} setup seat`, faction))
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.token!,
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);
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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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for (const seat of seats) {
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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, seat, current.version, { type: 'ready' }, clock);
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}
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const ready = await store.restart().readRoom(code);
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await store
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.restart()
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.act(code, seats[0], ready.version, { type: 'start' }, clock);
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store.writes.length = 0;
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return { ...store, code, seats };
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}
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type Fixture = Awaited<ReturnType<typeof fixture>>;
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async function preservedReload(f: Fixture) {
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const before = await f.rooms.readRoom(f.code);
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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(
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f.writes.length,
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writes,
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'A pending setup choice must not create writes or redeal.',
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);
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assert.deepEqual(await f.restart().readRoom(f.code), before);
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return before;
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}
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async function act(f: Fixture, index: number, action: engine.Action) {
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const current = await f.restart().readRoom(f.code);
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await f.restart().act(f.code, f.seats[index], current.version, action, clock);
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return f.restart().readRoom(f.code);
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}
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function barrier() {
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let release!: () => void;
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const ready = new Promise<void>((resolve) => {
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release = resolve;
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});
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let arrivals = 0;
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return async () => {
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if (++arrivals === 2) release();
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await ready;
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};
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}
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async function duplicate(f: Fixture, index: number, action: engine.Action) {
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const before = await f.restart().readRoom(f.code);
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f.writes.length = 0;
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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.seats[index], before.version, action, clock),
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f.restart().act(f.code, f.seats[index], before.version, 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.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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await assert.rejects(
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f.restart().act(f.code, f.seats[index], before.version, action, clock),
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);
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assert.deepEqual(await f.restart().readRoom(f.code), after);
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return after;
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}
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async function assertPrivateViews(
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f: Fixture,
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stage: 'prediction' | 'traitors' | 'forces' | null,
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) {
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const state = await f.restart().readRoom(f.code);
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if (state.setupStage === 'traitors' || state.setupStage === 'forces') {
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const traitorIdentities = [
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...(state.traitorReserve ?? []),
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...state.players.flatMap((p) => [...p.traitors, ...p.traitorChoices]),
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];
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const nativeIdentities = state.players.flatMap((p) =>
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p.leaders.map((l) => l.id),
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);
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assert.deepEqual(
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[...traitorIdentities].sort(),
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[...nativeIdentities].sort(),
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);
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assert.equal(new Set(traitorIdentities).size, traitorIdentities.length);
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}
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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.equal(view.setupStage, stage);
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for (const [j, player] of view.players.entries()) {
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if (index === j) {
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assert.deepEqual(player.hand, state.players[j].hand);
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assert.deepEqual(
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player.traitorChoices,
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state.players[j].traitorChoices,
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);
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assert.deepEqual(player.traitors, state.players[j].traitors);
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} else {
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assert.equal(player.hand, undefined);
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assert.equal(player.traitorChoices, undefined);
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assert.equal(player.traitors, undefined);
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assert.equal(player.prediction, undefined);
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}
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if (stage === 'prediction') {
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assert.deepEqual(player.forces, {});
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if (index === j) {
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assert.deepEqual(player.hand, []);
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assert.deepEqual(player.traitorChoices, []);
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assert.deepEqual(player.traitors, []);
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}
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}
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if (stage === 'traitors' || stage === 'forces')
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if (index === j) assert.deepEqual(player.hand, []);
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}
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assert.equal('deck' in view, false);
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}
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}
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void test('new Basic setup restores prediction, traitors and force stages privately; duplicate stage-closing actions deal and place exactly once', async () => {
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const f = await fixture();
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try {
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let state = await preservedReload(f);
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assert.equal(state.status, 'setup');
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assert.equal(state.setupStage, 'prediction');
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await assertPrivateViews(f, 'prediction');
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const before = structuredClone(state);
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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[1],
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state.version,
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{ type: 'fremenSetup', placements: { sietch_tabr: 10 } },
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clock,
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),
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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[3],
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state.version,
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{ type: 'traitor', leader: state.players[0].leaders[0].id },
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clock,
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),
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);
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assert.deepEqual(await f.restart().readRoom(f.code), before);
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state = await duplicate(f, 0, {
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type: 'predict',
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faction: 'atreides',
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turn: 4,
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});
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assert.equal(state.setupStage, 'traitors');
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assert.deepEqual(
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state.players.map((p) => p.forces),
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[{}, {}, {}, {}],
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);
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assert.deepEqual(
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state.players.map((p) => p.traitorChoices.length),
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[4, 4, 0, 4],
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);
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assert.equal(state.players[2].traitors.length, 4);
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await preservedReload(f);
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await assertPrivateViews(f, 'traitors');
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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[1],
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state.version,
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{ type: 'fremenSetup', placements: { sietch_tabr: 10 } },
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clock,
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),
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);
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for (const index of [0, 1]) {
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state = await f.restart().readRoom(f.code);
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await act(f, index, {
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type: 'traitor',
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leader: state.players[index].traitorChoices[0],
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});
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}
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state = await f.restart().readRoom(f.code);
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state = await duplicate(f, 3, {
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type: 'traitor',
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leader: state.players[3].traitorChoices[0],
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});
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assert.equal(state.setupStage, 'forces');
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assert.deepEqual(
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state.players.map((p) => p.hand),
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[[], [], [], []],
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);
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assert.deepEqual(state.players[1].forces, {});
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assert.equal(state.players[1].reserves, 20);
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assert.deepEqual(state.players[0].forces, { 'polar_sink:0': 1 });
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assert.deepEqual(state.players[2].forces, { 'carthag:11': 10 });
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assert.deepEqual(state.players[3].forces, { 'arrakeen:10': 10 });
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await preservedReload(f);
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await assertPrivateViews(f, 'forces');
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const heldTraitors = state.players.map((p) => [...p.traitors]);
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state = await duplicate(f, 1, {
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type: 'fremenSetup',
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placements: { sietch_tabr: 10 },
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});
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assert.equal(state.status, 'playing');
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assert.equal(state.setupStage, undefined);
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assert.equal(state.phase, 0);
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assert.equal(state.players[1].reserves, 10);
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assert.equal(
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Object.values(state.players[1].forces).reduce((a, b) => a + b, 0),
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10,
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);
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assert.deepEqual(
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state.players.map((p) => p.hand.length),
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[1, 1, 2, 1],
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);
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assert.deepEqual(
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state.players.map((p) => p.traitors),
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heldTraitors,
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);
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const identities = [
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...state.deck,
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...state.discard,
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...state.players.flatMap((p) => p.hand),
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].map((c) => c.id);
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assert.equal(identities.length, baseDeck().length);
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assert.equal(new Set(identities).size, identities.length);
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const final = structuredClone(state);
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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 assertPrivateViews(f, null);
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for (const p of state.players)
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assert.equal(
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p.reserves +
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p.tanks +
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Object.values(p.forces).reduce((a, b) => a + b, 0),
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20,
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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('without prediction or placement choices, duplicate final traitor selection performs the automatic starting deal only once', async () => {
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const f = await fixture(['atreides', 'harkonnen']);
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try {
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const initial = await preservedReload(f);
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assert.equal(initial.setupStage, 'traitors');
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assert.deepEqual(
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initial.players.map((p) => p.hand),
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[[], []],
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);
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assert.deepEqual(
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initial.players.map((p) => p.forces),
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[{}, {}],
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);
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await assertPrivateViews(f, 'traitors');
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const done = await duplicate(f, 0, {
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type: 'traitor',
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leader: initial.players[0].traitorChoices[0],
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});
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assert.equal(done.status, 'playing');
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assert.equal(done.phase, 0);
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assert.deepEqual(
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done.players.map((p) => p.hand.length),
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[1, 2],
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);
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assert.equal(done.deck.length, baseDeck().length - 3);
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assert.deepEqual(done.players[0].forces, { 'arrakeen:10': 10 });
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assert.deepEqual(done.players[1].forces, { 'carthag:11': 10 });
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const snapshot = structuredClone(done);
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await f.restart().continueRoomAutomatic(f.code, clock);
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assert.deepEqual(await f.restart().readRoom(f.code), snapshot);
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await assertPrivateViews(f, null);
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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('legacy saved setup without a stage preserves already known hands and choices through recovery and completion', async () => {
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const f = await fixture();
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try {
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const legacy = await f.restart().readRoom(f.code);
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delete legacy.setupStage;
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const cards = baseDeck();
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legacy.deck = cards.slice(5);
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legacy.discard = [];
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legacy.players[0].hand = [cards[0]];
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legacy.players[1].hand = [cards[1]];
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legacy.players[2].hand = [cards[2], cards[3]];
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legacy.players[3].hand = [cards[4]];
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for (const p of legacy.players) {
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p.traitorChoices = [p.leaders[0].id];
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p.traitors = [];
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}
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legacy.players[2].traitors = legacy.players[2].leaders
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.slice(0, 4)
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.map((l) => l.id);
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legacy.players[2].traitorChoices = [];
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legacy.players[0].forces = { 'polar_sink:0': 1 };
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legacy.players[0].reserves = 19;
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legacy.players[2].forces = { 'carthag:11': 10 };
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legacy.players[2].reserves = 10;
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legacy.players[3].forces = { 'arrakeen:10': 10 };
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legacy.players[3].reserves = 10;
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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(legacy), legacy.version, f.code);
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const beforeHands = structuredClone(legacy.players.map((p) => p.hand));
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const beforeDeck = structuredClone(legacy.deck);
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await preservedReload(f);
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await assertPrivateViews(f, null);
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await act(f, 0, { type: 'predict', faction: 'atreides', turn: 4 });
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for (const index of [0, 1, 3])
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await act(f, index, {
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type: 'traitor',
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leader: legacy.players[index].traitorChoices[0],
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});
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await act(f, 1, { type: 'fremenSetup', placements: { sietch_tabr: 10 } });
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const done = await f.restart().readRoom(f.code);
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assert.equal(done.status, 'playing');
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assert.equal(done.setupStage, undefined);
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assert.deepEqual(
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done.players.map((p) => p.hand),
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beforeHands,
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);
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assert.deepEqual(done.deck, beforeDeck);
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assert.deepEqual(done.players[0].forces, legacy.players[0].forces);
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assert.deepEqual(done.players[2].forces, legacy.players[2].forces);
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assert.deepEqual(done.players[3].forces, legacy.players[3].forces);
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} finally {
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f.sqlite.close();
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}
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});
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