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 * as Rooms from '../db/rooms';
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import { createAmbassadors } from '../game/ecaz-ambassadors';
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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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type Kind = 'ixians' | 'choam' | 'ixAllyCard';
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async function fixture(kind: Kind, emptyDeck = false) {
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const store = unitStore();
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const created = await store.rooms.createRoom('Owner', 'guild', false, []);
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const code = created.view.code;
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const second = await store.rooms.joinRoom(code, 'Emperor', 'emperor');
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const third = await store.rooms.joinRoom(code, 'Observer', 'atreides');
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const tokens = [created.token, second.token!, third.token!];
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const seats = await Promise.all(
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tokens.map((token) => store.restart().authenticate(code, token)),
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);
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async function act(index: number, action: engine.Action) {
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const g = await store.restart().readRoom(code);
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await store.restart().act(code, seats[index], g.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 started = await store.restart().readRoom(code);
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for (const [index, p] of started.players.entries())
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if (p.traitorChoices.length)
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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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Object.assign(g, {
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turn: 2,
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phase: kind === 'ixAllyCard' ? 3 : 5,
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storm: 18,
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order: seats.map((s) => s.playerId),
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active: seats[2].playerId,
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response: null,
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decision: null,
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phaseOpening: null,
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pendingAmbassador: null,
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pendingIxAlly: null,
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deck: baseDeck(),
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discard: [],
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treacheryDiscardSequence: 1,
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resolvedTreacheryDiscardSequence: 0,
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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.forces = {};
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p.reserves = 20;
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p.spice = 20;
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}
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const count = kind === 'choam' ? 2 : 1;
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const discarded = g.deck.splice(0, count);
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const replacement = emptyDeck ? discarded[0] : g.deck[0];
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if (emptyDeck) g.deck = [];
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g.discard = discarded;
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const event = `discard:${g.turn}:${g.phase}:1`;
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const entries = discarded.map((card) => ({
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card,
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discardedBy: seats[0].playerId,
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publicFace: false,
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}));
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// Explicit persisted-stage fixture: the originating effect already removed
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// the selected cards and committed any prefix payment. Production action
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// wrappers normally drain this frame immediately. We save the exact internal
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// pre-draw frame to exercise recovery rather than pretending Semuta is live.
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if (kind === 'ixAllyCard') {
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g.players[2].faction = 'ixians';
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g.players[0].ally = seats[2].playerId;
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g.players[2].ally = seats[0].playerId;
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g.players[0].spice = 17; // purchase paid; Emperor income is still in suffix
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g.auction = {
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cards: [discarded[0]],
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index: 0,
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bid: 3,
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bidder: seats[0].playerId,
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active: seats[0].playerId,
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passed: seats.slice(1).map((s) => s.playerId),
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opener: 0,
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peekKnown: false,
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};
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g.currentAuctionSale = {
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winner: seats[0].playerId,
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amount: 3,
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free: false,
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origin: 'normal',
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seller: null,
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};
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g.active = seats[0].playerId;
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g.pendingTreacheryDiscard = {
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sequence: 1,
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batch: {
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event,
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turn: g.turn,
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phase: g.phase,
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cause: 'ixAllyCard',
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entries,
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},
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continuation: {
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kind: 'ixAllyCard',
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player: seats[0].playerId,
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card: discarded[0].id,
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free: false,
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sale: structuredClone(g.currentAuctionSale),
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auctionIndex: 0,
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auctionEvent: null,
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},
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};
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} else {
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g.players[0].faction = 'ecaz';
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g.movementRemaining = [
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seats[2].playerId,
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seats[0].playerId,
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seats[1].playerId,
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];
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g.players[2].forces = { 'arrakeen:10': 2 };
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g.players[2].reserves = 18;
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g.players[2].shipped = true;
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g.players[2].spice = 18;
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const inventory = createAmbassadors(() => 0);
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const chosen = inventory.tokens.find((t) => t.effect === kind)!;
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inventory.cohort = [
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chosen.id,
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...inventory.tokens
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.filter((t) => t.id !== chosen.id && t.effect !== 'ecaz')
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.slice(0, 4)
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.map((t) => t.id),
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];
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for (const token of inventory.tokens)
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token.zone =
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token.id === chosen.id
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? 'used'
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: token.effect === 'ecaz' || inventory.cohort.includes(token.id)
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? 'supply'
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: 'pool';
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g.ecazAmbassadors = inventory;
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if (kind === 'choam') g.players[0].spice += 3 * count;
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g.pendingTreacheryDiscard = {
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sequence: 1,
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batch: {
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event,
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turn: g.turn,
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phase: g.phase,
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cause: `ambassador:${kind}`,
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entries,
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},
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continuation: {
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kind: 'ambassador',
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entry: {
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event: `ambassador:${g.turn}:${g.phase}:saved`,
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owner: seats[0].playerId,
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entrant: seats[2].playerId,
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token: chosen.id,
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territory: 'arrakeen',
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sector: 10,
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turn: g.turn,
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phase: g.phase,
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stage: 'cards',
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beneficiary: seats[0].playerId,
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effect: kind,
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copyChoices: [],
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resume: 'none',
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},
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},
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};
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}
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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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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: g,
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save,
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replacement,
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discarded,
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kind,
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};
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}
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type Fixture = Awaited<ReturnType<typeof fixture>>;
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async function privateRead(f: Fixture) {
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const auth = await f.restart().authenticate(f.code, f.tokens[1]);
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const view = await f.restart().readSeatView(f.code, auth);
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assert.equal(Object.hasOwn(view, 'pendingTreacheryDiscard'), false);
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assert.equal(Object.hasOwn(view, 'treacheryDiscardSequence'), false);
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assert.equal(Object.hasOwn(view, 'resolvedTreacheryDiscardSequence'), false);
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assert.equal(view.players[0].hand, undefined);
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for (const card of f.discarded)
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assert.equal(
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JSON.stringify(view).includes(card.id),
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false,
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'private batch face must not enter observer projection',
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);
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return view;
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}
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function settled(f: Fixture, g: engine.Game) {
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assert.equal(g.pendingTreacheryDiscard, null);
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assert.equal(g.resolvedTreacheryDiscardSequence, 1);
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assert.equal(g.treacheryDiscardSequence, 1);
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assert.equal(g.version, f.initial.version + 1);
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assert.equal(
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g.players[0].spice,
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f.kind === 'choam' ? 26 : f.kind === 'ixAllyCard' ? 17 : 20,
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);
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assert.equal(g.players[0].hand.length, f.kind === 'choam' ? 0 : 1);
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if (f.kind !== 'choam')
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assert.equal(g.players[0].hand[0].id, f.replacement.id);
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if (f.kind === 'ixAllyCard') {
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assert.equal(g.players[1].spice, 23);
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assert.equal(g.phase, 4);
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assert.equal(g.currentAuctionSale, null);
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assert.equal(
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g.log.filter((l) => l.text.includes('discarded the purchased card'))
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.length,
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1,
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);
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} else {
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assert.equal(g.phase, 5);
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assert.equal(g.pendingAmbassador, null);
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assert.equal(g.players[2].forces['arrakeen:10'], 2);
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assert.equal(g.players[2].spice, 18);
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}
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}
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void test('fresh authenticated reads recover each committed discard frame through one real SQL version update', async () => {
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for (const kind of ['ixians', 'choam', 'ixAllyCard'] as const) {
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const f = await fixture(kind);
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try {
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const view = await privateRead(f);
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assert.equal(
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f.restart().needsAutomaticRoomRecovery(view),
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true,
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'authenticated route projection must schedule the hidden continuation',
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);
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assert.deepEqual(await f.restart().readRoom(f.code), f.initial);
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assert.equal(f.writes.length, 0);
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await assert.rejects(
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f
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.restart()
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.act(f.code, f.seats[2], f.initial.version, { type: 'ready' }, clock),
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/committed discard/,
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);
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assert.equal(f.writes.length, 0);
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await f.restart().continueRoomAutomatic(f.code, clock);
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const after = await f.restart().readRoom(f.code);
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settled(f, after);
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await privateRead(f);
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const ownAuth = await f.restart().authenticate(f.code, f.tokens[0]);
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const own = await f.restart().readSeatView(f.code, ownAuth);
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assert.deepEqual(own.players[0].hand, after.players[0].hand);
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await assert.rejects(
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f
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.restart()
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.act(f.code, f.seats[2], f.initial.version, { type: 'ready' }, clock),
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/table changed/,
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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), after);
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assert.equal(f.writes.length, 1);
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} finally {
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f.sqlite.close();
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}
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}
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});
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void test('two recovery workers race at the production CAS without duplicate replacement draw or income', async () => {
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for (const kind of ['ixians', 'choam', 'ixAllyCard'] as const) {
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const f = await fixture(kind);
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try {
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let resolve!: () => void;
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const both = new Promise<void>((done) => {
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resolve = done;
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});
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let arrivals = 0;
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f.hooks.beforeWrite = async () => {
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if (++arrivals === 2) resolve();
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await both;
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};
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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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const after = await f.restart().readRoom(f.code);
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settled(f, after);
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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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await f.restart().continueRoomAutomatic(f.code, clock);
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assert.deepEqual(await f.restart().readRoom(f.code), after);
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assert.equal(f.writes.length, 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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});
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void test('empty-deck recovery retires the frame before refilling from its actual discard, once', async () => {
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for (const kind of ['ixians', 'ixAllyCard'] as const) {
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const f = await fixture(kind, true);
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try {
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assert.deepEqual(f.initial.deck, []);
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assert.deepEqual(f.initial.players[0].hand, []);
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assert.equal(f.initial.discard.length, 1);
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await f.restart().continueRoomAutomatic(f.code, clock);
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const after = await f.restart().readRoom(f.code);
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settled(f, after);
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assert.deepEqual(after.discard, []);
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assert.deepEqual(after.deck, []);
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assert.equal(
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after.players[0].hand.filter((c) => c.id === f.discarded[0].id).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), after);
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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('malformed persisted bindings reject recovery and gameplay without writing a repaired or replayed state', async () => {
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const f = await fixture('ixians');
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try {
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for (const corrupt of [
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(g: engine.Game) => {
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g.pendingTreacheryDiscard!.batch.event = 'old-discard';
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},
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(g: engine.Game) => {
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g.resolvedTreacheryDiscardSequence = 1;
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},
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(g: engine.Game) => {
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g.deck.push(g.discard[0]);
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},
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(g: engine.Game) => {
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g.pendingTreacheryDiscard!.batch.entries[0].discardedBy =
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f.seats[2].playerId;
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},
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]) {
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const g = structuredClone(f.initial);
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corrupt(g);
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f.save(g);
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await assert.rejects(f.restart().continueRoomAutomatic(f.code, clock));
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await assert.rejects(
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f
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.restart()
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.act(f.code, f.seats[0], g.version, { type: 'ready' }, clock),
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);
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assert.deepEqual(await f.restart().readRoom(f.code), g);
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assert.equal(f.writes.length, 0);
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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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