339 lines
12 KiB
TypeScript
339 lines
12 KiB
TypeScript
import test from 'node:test';
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import assert from 'node:assert/strict';
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import { webcrypto } from 'node:crypto';
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import { readFileSync, readdirSync } from 'node:fs';
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import { DatabaseSync } from 'node:sqlite';
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import { runInNewContext } from 'node:vm';
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import ts from 'typescript';
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import * as engine from '../game/engine';
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import * as bots from '../game/bots';
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import { baseDeck } from '../game/cards';
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import { richeseCards } from '../game/richese-cards';
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import type * as Rooms from '../db/rooms';
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/** Execute the production room module and SQL, with a hook immediately before its CAS. */
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function unitStore(runBots = bots.runBots) {
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const sqlite = new DatabaseSync(':memory:');
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const hooks: { beforeWrite?: () => Promise<void> } = {};
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const writes: { expected: number; changes: number }[] = [];
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for (const file of readdirSync(new URL('../drizzle/', import.meta.url))
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.filter((f) => f.endsWith('.sql'))
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.sort())
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sqlite.exec(
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readFileSync(new URL('../drizzle/' + file, import.meta.url), 'utf8'),
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);
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class Statement {
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values: (string | number | null)[] = [];
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constructor(readonly sql: string) {}
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bind(...values: (string | number | null)[]) {
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this.values = values;
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return this;
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}
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async first() {
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return sqlite.prepare(this.sql).get(...this.values) ?? null;
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}
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async run() {
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const continuation = this.sql.startsWith('UPDATE rooms SET state');
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if (continuation) await hooks.beforeWrite?.();
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const changes = Number(
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sqlite.prepare(this.sql).run(...this.values).changes,
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);
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if (continuation)
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writes.push({ expected: Number(this.values[3]), changes });
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return { meta: { changes } };
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}
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}
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const database = {
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prepare: (sql: string) => new Statement(sql),
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batch: async (statements: Statement[]) => {
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sqlite.exec('BEGIN');
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try {
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const results = [];
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for (const statement of statements) results.push(await statement.run());
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sqlite.exec('COMMIT');
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return results;
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} catch (error) {
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sqlite.exec('ROLLBACK');
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throw error;
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}
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},
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};
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function loadRooms() {
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const exports = {};
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runInNewContext(
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ts.transpileModule(
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readFileSync(new URL('../db/rooms.ts', import.meta.url), 'utf8'),
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{
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compilerOptions: {
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module: ts.ModuleKind.CommonJS,
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target: ts.ScriptTarget.ES2022,
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},
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},
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).outputText,
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{
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exports,
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crypto: webcrypto,
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TextEncoder,
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structuredClone,
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// Keep persisted JSON values in the test realm for strict structural assertions.
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JSON,
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require: (name: string) => {
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if (name === 'cloudflare:workers') return { env: { DB: database } };
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if (name === '@/game/engine') return engine;
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if (name === '@/game/bots') return { ...bots, runBots };
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throw new Error('Unexpected module ' + name);
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},
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},
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);
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return exports as typeof Rooms;
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}
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return { rooms: loadRooms(), restart: loadRooms, sqlite, hooks, writes };
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}
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const clock: Rooms.RoomsClock = { now: () => 10000, sleep: async () => {} };
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async function fixture(parent = false) {
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const store = unitStore();
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const created = await store.rooms.createRoom('Richese', 'guild', false, []);
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const code = created.view.code;
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const joined = await store.rooms.joinRoom(code, 'Ally', 'atreides');
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const last = await store.rooms.joinRoom(code, 'Other', 'emperor');
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const owner = await store.rooms.authenticate(code, created.token),
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ally = await store.rooms.authenticate(code, joined.token!),
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other = await store.rooms.authenticate(code, last.token!);
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const old = await store.rooms.readRoom(code),
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initial = engine.createGame(
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code,
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engine.newPlayer(owner.playerId, 'Richese', 'richese'),
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true,
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['choam'],
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);
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initial.players.push(
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engine.newPlayer(ally.playerId, 'Ally', 'atreides'),
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engine.newPlayer(other.playerId, 'Other', 'emperor'),
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);
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initial.version = old.version;
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initial.status = 'playing';
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initial.phase = 3;
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initial.turn = 2;
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initial.active = ally.playerId;
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initial.order = initial.players.map((p) => p.id);
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initial.deck = baseDeck();
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initial.players.forEach((p) => {
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p.hand = [];
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p.spice = 10;
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});
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initial.players[0].ally = ally.playerId;
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initial.players[1].ally = owner.playerId;
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initial.richeseCache = richeseCards();
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const gift = initial.richeseCache.find((c) => c.effect === 'karama')!;
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initial.richeseCache = initial.richeseCache.filter((c) => c.id !== gift.id);
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initial.players[0].hand.push(gift);
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const index = initial.deck.findIndex((c) => c.effect === 'karama');
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initial.players[2].hand.push(...initial.deck.splice(index, 1));
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if (parent) {
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// This suspended receipt is Guild income during Shipment & Movement.
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initial.phase = 5;
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initial.players[2].faction = 'guild';
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initial.response = {
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kind: 'guildIncome',
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owner: other.playerId,
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amount: 3,
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passed: [owner.playerId],
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};
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initial.phaseOpening = { passed: [owner.playerId], initialize: false };
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}
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const save = (g: engine.Game) =>
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store.sqlite
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.prepare('UPDATE rooms SET state = ?, version = ? WHERE code = ?')
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.run(JSON.stringify(g), g.version, code);
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save(initial);
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store.writes.length = 0;
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async function action(
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auth: Rooms.SeatAuth,
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value: engine.Action,
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rooms = store.rooms,
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) {
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const state = await rooms.readRoom(code);
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return rooms.act(code, auth, state.version, value, clock);
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}
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return {
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...store,
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owner,
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ally,
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other,
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code,
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initial,
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save,
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action,
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gift: gift.id,
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};
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}
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function barrier() {
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let release!: () => void;
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const 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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function committedOnce(
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results: PromiseSettledResult<unknown>[],
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writes: { changes: number }[],
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) {
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assert.equal(results.filter((r) => r.status === 'fulfilled').length, 1);
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assert.equal(results.filter((r) => r.status === 'rejected').length, 1);
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assert.deepEqual(
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writes.map((w) => w.changes).sort((a, b) => a - b),
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[0, 1],
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);
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}
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function hands(g: engine.Game) {
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return g.players.map((p) => ({ id: p.id, hand: p.hand }));
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}
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void test('concurrent authenticated gift declarations and resumed allowance each commit once with private identity and no card replay', async () => {
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const f = await fixture();
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try {
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const action = { type: 'richeseGift', card: f.gift };
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f.hooks.beforeWrite = barrier();
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const declarations = await Promise.allSettled([
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f.rooms.act(f.code, f.owner, f.initial.version, action, clock),
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f.restart().act(f.code, f.owner, f.initial.version, action, clock),
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]);
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f.hooks.beforeWrite = undefined;
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committedOnce(declarations, f.writes);
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const pending = await f.rooms.readRoom(f.code);
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assert.equal(pending.version, f.initial.version + 1);
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assert.equal(pending.response?.kind, 'richeseGift');
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const restarted = f.restart();
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for (const auth of [f.owner, f.ally])
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assert.equal(
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(await restarted.readSeatView(f.code, auth)).richeseGift!.pending!.card!
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.id,
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f.gift,
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);
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const foreign = await restarted.readSeatView(f.code, f.other);
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assert.equal(foreign.richeseGift, null);
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assert.equal(JSON.stringify(foreign).includes(f.gift), false);
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assert.equal(pending.players[0].hand[0].id, f.gift);
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assert.equal(pending.players[1].hand.length, 0);
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f.writes.length = 0;
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f.hooks.beforeWrite = barrier();
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const allow = { type: 'passResponse' };
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const allowances = await Promise.allSettled([
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restarted.act(f.code, f.other, pending.version, allow, clock),
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f.rooms.act(f.code, f.other, pending.version, allow, clock),
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]);
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f.hooks.beforeWrite = undefined;
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committedOnce(allowances, f.writes);
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const complete = await restarted.readRoom(f.code);
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assert.equal(complete.version, pending.version + 1);
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assert.equal(complete.pendingRicheseGift, null);
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assert.equal(complete.players[0].hand.length, 0);
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assert.deepEqual(
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complete.players[1].hand.map((c) => c.id),
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[f.gift],
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);
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assert.equal(
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complete.players.every((p) => p.spice === 10),
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true,
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);
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assert.equal(
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complete.discard.some((c) => c.id === f.gift),
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false,
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);
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await assert.rejects(
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restarted.act(f.code, f.owner, complete.version, action, clock),
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);
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const writes = f.writes.length;
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for (let i = 0; i < 2; i++) {
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const worker = f.restart();
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await worker.readSeatView(f.code, f.ally);
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await worker.continueRoomAutomatic(f.code, clock);
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assert.deepEqual(await worker.readRoom(f.code), complete);
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}
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assert.equal(f.writes.length, writes);
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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('duplicate cancellation restores persisted phase-opening and its parent response without paying or moving the gift', async () => {
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const f = await fixture(true);
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try {
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await f.action(f.owner, { type: 'richeseGift', card: f.gift });
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const pending = await f.rooms.readRoom(f.code);
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assert.equal(pending.phaseOpening, null);
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const resumed = f.restart();
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const cancel = {
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type: 'card',
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mode: 'cancel',
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card: pending.players[2].hand[0].id,
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};
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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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resumed.act(f.code, f.other, pending.version, cancel, clock),
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f.rooms.act(f.code, f.other, pending.version, cancel, clock),
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]);
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f.hooks.beforeWrite = undefined;
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committedOnce(results, f.writes);
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const canceled = await resumed.readRoom(f.code);
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assert.equal(canceled.pendingRicheseGift, null);
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assert.deepEqual(canceled.phaseOpening, f.initial.phaseOpening);
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assert.deepEqual(canceled.response, f.initial.response);
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assert.deepEqual(canceled.players[0].hand, f.initial.players[0].hand);
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assert.equal(canceled.players[1].hand.length, 0);
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assert.equal(canceled.players[2].spice, 10);
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assert.equal(
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canceled.discard.filter((c) => c.id === cancel.card).length,
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1,
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);
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await resumed.continueRoomAutomatic(f.code, clock);
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assert.deepEqual(await resumed.readRoom(f.code), canceled);
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await assert.rejects(
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resumed.act(f.code, f.other, canceled.version, cancel, clock),
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);
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assert.deepEqual(await resumed.readRoom(f.code), canceled);
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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('restored changed-alliance gift aborts atomically instead of copying the replacement ally hand into the old recipient', async () => {
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const f = await fixture();
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try {
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await f.action(f.owner, { type: 'richeseGift', card: f.gift });
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const pending = await f.rooms.readRoom(f.code);
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pending.players[1].hand.push(pending.deck.shift()!);
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pending.players[2].hand.push(pending.deck.shift()!);
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pending.players[0].ally = f.other.playerId;
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pending.players[1].ally = null;
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pending.players[2].ally = f.owner.playerId;
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f.save(pending);
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const before = hands(pending);
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const resumed = f.restart();
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f.writes.length = 0;
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f.hooks.beforeWrite = barrier();
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const allow = { type: 'passResponse' };
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const results = await Promise.allSettled([
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resumed.act(f.code, f.other, pending.version, allow, clock),
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f.rooms.act(f.code, f.other, pending.version, allow, clock),
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]);
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f.hooks.beforeWrite = undefined;
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committedOnce(results, f.writes);
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const aborted = await resumed.readRoom(f.code);
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assert.deepEqual(hands(aborted), before);
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assert.equal(aborted.version, pending.version + 1);
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assert.equal(aborted.pendingRicheseGift, null);
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assert.equal(aborted.response, null);
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assert.match(aborted.log.at(-1)!.text, /became unavailable/);
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await resumed.continueRoomAutomatic(f.code, clock);
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assert.deepEqual(await resumed.readRoom(f.code), aborted);
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} finally {
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f.sqlite.close();
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}
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});
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