Files
Dune/tests/moritani-extortion-recovery.test.ts

195 lines
8.2 KiB
TypeScript

import test from 'node:test';
import assert from 'node:assert/strict';
import { webcrypto } from 'node:crypto';
import { readFileSync, readdirSync } from 'node:fs';
import { DatabaseSync } from 'node:sqlite';
import { runInNewContext } from 'node:vm';
import ts from 'typescript';
import * as engine from '../game/engine';
import * as bots from '../game/bots';
import * as seatAiDelegation from '../lib/seat-ai-delegation';
import type * as Rooms from '../db/rooms';
import { createTerrorState, placeTerror } from '../game/moritani-terror';
const clock: Rooms.RoomsClock = { now: () => 10000, sleep: async () => {} };
/** Real room module and migrations, with a barrier immediately before the room CAS. */
function unitStore() {
const sqlite = new DatabaseSync(':memory:');
const hooks: { beforeWrite?: () => Promise<void> } = {};
const writes: { expected: number; changes: number }[] = [];
for (const file of readdirSync(new URL('../drizzle/', import.meta.url))
.filter((name) => name.endsWith('.sql'))
.sort())
sqlite.exec(readFileSync(new URL('../drizzle/' + file, import.meta.url), 'utf8'));
class Statement {
values: (string | number | null)[] = [];
constructor(readonly sql: string) {}
bind(...values: (string | number | null)[]) {
this.values = values;
return this;
}
async first() {
return sqlite.prepare(this.sql).get(...this.values) ?? null;
}
async run() {
const continuation = this.sql.startsWith('UPDATE rooms SET state');
if (continuation) await hooks.beforeWrite?.();
const changes = Number(sqlite.prepare(this.sql).run(...this.values).changes);
if (continuation) writes.push({ expected: Number(this.values[3]), changes });
return { meta: { changes } };
}
}
const database = {
prepare: (sql: string) => new Statement(sql),
batch: async (statements: Statement[]) => {
sqlite.exec('BEGIN');
try {
const results = [];
for (const statement of statements) results.push(await statement.run());
sqlite.exec('COMMIT');
return results;
} catch (error) {
sqlite.exec('ROLLBACK');
throw error;
}
},
};
function loadRooms() {
const exports = {};
runInNewContext(
ts.transpileModule(readFileSync(new URL('../db/rooms.ts', import.meta.url), 'utf8'), {
compilerOptions: { module: ts.ModuleKind.CommonJS, target: ts.ScriptTarget.ES2022 },
}).outputText,
{
exports,
crypto: webcrypto,
TextEncoder,
structuredClone,
JSON,
require: (name: string) => {
if (name === 'cloudflare:workers') return { env: { DB: database } };
if (name === '@/game/engine') return engine;
if (name === '@/game/bots') return bots;
if (name === '@/lib/seat-ai-delegation') return seatAiDelegation;
throw new Error('Unexpected module ' + name);
},
},
);
return exports as typeof Rooms;
}
return { rooms: loadRooms(), restart: loadRooms, sqlite, hooks, writes };
}
async function fixture() {
const store = unitStore();
const created = await store.rooms.createRoom('Extortion seat', 'moritani', false, []);
const code = created.view.code;
const joined = await store.rooms.joinRoom(code, 'Entrant', 'emperor');
const witness = await store.rooms.joinRoom(code, 'Witness', 'atreides');
const tokens = [created.token, joined.token!, witness.token!];
const seats = await Promise.all(tokens.map((token) => store.restart().authenticate(code, token)));
const ids = seats.map((seat) => seat.playerId);
let g = await store.restart().readRoom(code);
g.players = [
engine.newPlayer(ids[0], 'Moritani', 'moritani'),
engine.newPlayer(ids[1], 'Entrant', 'emperor'),
engine.newPlayer(ids[2], 'Witness', 'atreides'),
];
Object.assign(g, {
status: 'playing', phase: 5, turn: 2, storm: 18, active: ids[1],
order: [ids[1], ids[0], ids[2]], movementRemaining: [ids[1], ids[0], ids[2]],
decision: null, response: null, phaseOpening: null, ready: [],
});
for (const p of g.players) {
p.forces = {};
p.reserves = 20;
p.spice = 12;
p.hand = [];
}
g.moritaniTerror = createTerrorState(() => 0);
const token = g.moritaniTerror.tokens.find((item) => item.kind === 'extortion')!;
g.moritaniTerror = placeTerror(g.moritaniTerror, token.id, 'arrakeen', 1);
store.sqlite.prepare('UPDATE rooms SET state=?, version=? WHERE code=?')
.run(JSON.stringify(g), g.version, code);
store.writes.length = 0;
async function act(index: number, action: engine.Action) {
const current = await store.restart().readRoom(code);
await store.restart().act(code, seats[index], current.version, action, clock);
return store.restart().readRoom(code);
}
g = await act(1, { type: 'ship', territory: 'arrakeen', sector: 10, amount: 2 });
assert.equal(g.decision?.kind, 'moritaniTerror');
g = await act(0, { type: 'decision', reveal: true });
assert.equal(g.moritaniTerror!.tokens.find((item) => item.kind === 'extortion')!.status, 'extortion');
assert.equal(g.players[0].spice, 12);
assert.equal((await store.restart().readSeatView(code, seats[1])).extortion.deferred, 5);
return { ...store, code, tokens, seats, ids, act, revealed: g, token: token.id };
}
void test('SQLite reconnect preserves reserved bank award, payer privacy, and races one payment commit', async () => {
const f = await fixture();
try {
let g = await f.restart().readRoom(f.code);
g.phase = 7;
g.ready = [];
f.sqlite.prepare('UPDATE rooms SET state=?, version=? WHERE code=?')
.run(JSON.stringify(g), g.version, f.code);
f.writes.length = 0;
for (const [i] of f.seats.entries()) g = await f.act(i, { type: 'ready' });
assert.equal(g.decision?.kind, 'moritaniPlacement');
assert.equal(g.players[0].spice, 12);
g = await f.act(0, { type: 'decision', decline: true });
assert.equal(g.players[0].spice, 17);
assert.ok(g.decision?.kind === 'moritaniExtortion');
const event = g.decision.event;
const payer = g.decision.player;
const payerIndex = f.ids.indexOf(payer);
assert.ok(payerIndex >= 0);
for (const [i, seat] of f.seats.entries()) {
const seatView = await f.restart().readSeatView(f.code, seat);
assert.equal(seatView.extortion.deferred, 0);
assert.equal(seatView.extortion.pending?.player, payer);
assert.equal(seatView.extortion.pending?.canPay, i === payerIndex ? true : null);
if (i !== 0)
assert.equal(seatView.moritaniTerror!.tokens.some((item) => item.id !== f.token), false);
}
const before = structuredClone(g);
await assert.rejects(f.restart().act(f.code, f.seats[0], g.version,
{ type: 'decision', event, pay: true }, clock));
await assert.rejects(f.restart().act(f.code, f.seats[payerIndex], g.version,
{ type: 'decision', event: 'obsolete', pay: true }, clock));
assert.deepEqual(await f.restart().readRoom(f.code), before);
assert.equal(f.writes.length, f.seats.length + 1);
let arrivals = 0;
let release!: () => void;
const gate = new Promise<void>((resolve) => { release = resolve; });
f.hooks.beforeWrite = async () => {
if (++arrivals === 2) release();
await gate;
};
let results: PromiseSettledResult<unknown>[];
try {
results = await Promise.allSettled([0, 1].map(() => f.restart().act(
f.code, f.seats[payerIndex], g.version,
{ type: 'decision', event, pay: true }, clock,
)));
} finally {
delete f.hooks.beforeWrite;
}
assert.equal(arrivals, 2);
assert.equal(results.filter((result) => result.status === 'fulfilled').length, 1);
assert.deepEqual(f.writes.slice(-2).map((write) => write.changes).sort((a, b) => a - b), [0, 1]);
const done = await f.restart().readRoom(f.code);
assert.equal(done.version, g.version + 1);
assert.equal(done.players[0].spice, 20);
assert.equal(done.players[payerIndex].spice, g.players[payerIndex].spice - 3);
assert.equal(done.moritaniTerror!.tokens.find((item) => item.kind === 'extortion')!.status, 'removed');
await assert.rejects(f.restart().act(f.code, f.seats[payerIndex], g.version,
{ type: 'decision', event, pay: true }, clock), /table changed/i);
assert.deepEqual(await f.restart().readRoom(f.code), done);
} finally {
f.sqlite.close();
}
});