Files
Dune/tests/base-setup-recovery.test.ts
T
2026-09-08 07:37:52 +10:00

450 lines
15 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 { baseDeck } from '../game/cards';
import type { FactionId } from '../game/catalog';
import type * as Rooms from '../db/rooms';
/** Execute the production room module and SQL, with a hook immediately before its CAS. */
function unitStore(runBots = bots.runBots) {
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((f) => f.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,
// Keep persisted JSON values in the test realm for strict structural assertions.
JSON,
require: (name: string) => {
if (name === 'cloudflare:workers') return { env: { DB: database } };
if (name === '@/game/engine') return engine;
if (name === '@/game/bots') return { ...bots, runBots };
throw new Error('Unexpected module ' + name);
},
},
);
return exports as typeof Rooms;
}
return { rooms: loadRooms(), restart: loadRooms, sqlite, hooks, writes };
}
const clock: Rooms.RoomsClock = { now: () => 10000, sleep: async () => {} };
async function fixture(
factions: FactionId[] = ['beneGesserit', 'fremen', 'harkonnen', 'atreides'],
) {
const store = unitStore();
const created = await store.rooms.createRoom(
'Setup host',
factions[0],
false,
[],
);
const code = created.view.code;
const tokens = [created.token];
for (const faction of factions.slice(1))
tokens.push(
(await store.rooms.joinRoom(code, `${faction} setup seat`, faction))
.token!,
);
const seats = await Promise.all(
tokens.map((token) => store.rooms.authenticate(code, token)),
);
for (const seat of seats) {
const current = await store.restart().readRoom(code);
await store
.restart()
.act(code, seat, current.version, { type: 'ready' }, clock);
}
const ready = await store.restart().readRoom(code);
await store
.restart()
.act(code, seats[0], ready.version, { type: 'start' }, clock);
store.writes.length = 0;
return { ...store, code, seats };
}
type Fixture = Awaited<ReturnType<typeof fixture>>;
async function preservedReload(f: Fixture) {
const before = await f.rooms.readRoom(f.code);
const writes = f.writes.length;
await f.restart().continueRoomAutomatic(f.code, clock);
assert.equal(
f.writes.length,
writes,
'A pending setup choice must not create writes or redeal.',
);
assert.deepEqual(await f.restart().readRoom(f.code), before);
return before;
}
async function act(f: Fixture, index: number, action: engine.Action) {
const current = await f.restart().readRoom(f.code);
await f.restart().act(f.code, f.seats[index], current.version, action, clock);
return f.restart().readRoom(f.code);
}
function barrier() {
let release!: () => void;
const ready = new Promise<void>((resolve) => {
release = resolve;
});
let arrivals = 0;
return async () => {
if (++arrivals === 2) release();
await ready;
};
}
async function duplicate(f: Fixture, index: number, action: engine.Action) {
const before = await f.restart().readRoom(f.code);
f.writes.length = 0;
f.hooks.beforeWrite = barrier();
const results = await Promise.allSettled([
f.rooms.act(f.code, f.seats[index], before.version, action, clock),
f.restart().act(f.code, f.seats[index], before.version, action, clock),
]);
f.hooks.beforeWrite = undefined;
assert.equal(results.filter((r) => r.status === 'fulfilled').length, 1);
assert.equal(results.filter((r) => r.status === 'rejected').length, 1);
assert.deepEqual(
f.writes.map((w) => w.changes).sort((a, b) => a - b),
[0, 1],
);
const after = await f.restart().readRoom(f.code);
assert.equal(after.version, before.version + 1);
await assert.rejects(
f.restart().act(f.code, f.seats[index], before.version, action, clock),
);
assert.deepEqual(await f.restart().readRoom(f.code), after);
return after;
}
async function assertPrivateViews(
f: Fixture,
stage: 'prediction' | 'traitors' | 'forces' | null,
) {
const state = await f.restart().readRoom(f.code);
if (state.setupStage === 'traitors' || state.setupStage === 'forces') {
const traitorIdentities = [
...(state.traitorReserve ?? []),
...state.players.flatMap((p) => [...p.traitors, ...p.traitorChoices]),
];
const nativeIdentities = state.players.flatMap((p) =>
p.leaders.map((l) => l.id),
);
assert.deepEqual(
[...traitorIdentities].sort(),
[...nativeIdentities].sort(),
);
assert.equal(new Set(traitorIdentities).size, traitorIdentities.length);
}
for (const [index, seat] of f.seats.entries()) {
const view = await f.restart().readSeatView(f.code, seat);
assert.equal(view.setupStage, stage);
for (const [j, player] of view.players.entries()) {
if (index === j) {
assert.deepEqual(player.hand, state.players[j].hand);
assert.deepEqual(
player.traitorChoices,
state.players[j].traitorChoices,
);
assert.deepEqual(player.traitors, state.players[j].traitors);
} else {
assert.equal(player.hand, undefined);
assert.equal(player.traitorChoices, undefined);
assert.equal(player.traitors, undefined);
assert.equal(player.prediction, undefined);
}
if (stage === 'prediction') {
assert.deepEqual(player.forces, {});
if (index === j) {
assert.deepEqual(player.hand, []);
assert.deepEqual(player.traitorChoices, []);
assert.deepEqual(player.traitors, []);
}
}
if (stage === 'traitors' || stage === 'forces')
if (index === j) assert.deepEqual(player.hand, []);
}
assert.equal('deck' in view, false);
}
}
void test('new Basic setup restores prediction, traitors and force stages privately; duplicate stage-closing actions deal and place exactly once', async () => {
const f = await fixture();
try {
let state = await preservedReload(f);
assert.equal(state.status, 'setup');
assert.equal(state.setupStage, 'prediction');
await assertPrivateViews(f, 'prediction');
const before = structuredClone(state);
await assert.rejects(
f
.restart()
.act(
f.code,
f.seats[1],
state.version,
{ type: 'fremenSetup', placements: { sietch_tabr: 10 } },
clock,
),
);
await assert.rejects(
f
.restart()
.act(
f.code,
f.seats[3],
state.version,
{ type: 'traitor', leader: state.players[0].leaders[0].id },
clock,
),
);
assert.deepEqual(await f.restart().readRoom(f.code), before);
state = await duplicate(f, 0, {
type: 'predict',
faction: 'atreides',
turn: 4,
});
assert.equal(state.setupStage, 'traitors');
assert.deepEqual(
state.players.map((p) => p.forces),
[{}, {}, {}, {}],
);
assert.deepEqual(
state.players.map((p) => p.traitorChoices.length),
[4, 4, 0, 4],
);
assert.equal(state.players[2].traitors.length, 4);
await preservedReload(f);
await assertPrivateViews(f, 'traitors');
await assert.rejects(
f
.restart()
.act(
f.code,
f.seats[1],
state.version,
{ type: 'fremenSetup', placements: { sietch_tabr: 10 } },
clock,
),
);
for (const index of [0, 1]) {
state = await f.restart().readRoom(f.code);
await act(f, index, {
type: 'traitor',
leader: state.players[index].traitorChoices[0],
});
}
state = await f.restart().readRoom(f.code);
state = await duplicate(f, 3, {
type: 'traitor',
leader: state.players[3].traitorChoices[0],
});
assert.equal(state.setupStage, 'forces');
assert.deepEqual(
state.players.map((p) => p.hand),
[[], [], [], []],
);
assert.deepEqual(state.players[1].forces, {});
assert.equal(state.players[1].reserves, 20);
assert.deepEqual(state.players[0].forces, { 'polar_sink:0': 1 });
assert.deepEqual(state.players[2].forces, { 'carthag:11': 10 });
assert.deepEqual(state.players[3].forces, { 'arrakeen:10': 10 });
await preservedReload(f);
await assertPrivateViews(f, 'forces');
const heldTraitors = state.players.map((p) => [...p.traitors]);
state = await duplicate(f, 1, {
type: 'fremenSetup',
placements: { sietch_tabr: 10 },
});
assert.equal(state.status, 'playing');
assert.equal(state.setupStage, undefined);
assert.equal(state.phase, 0);
assert.equal(state.players[1].reserves, 10);
assert.equal(
Object.values(state.players[1].forces).reduce((a, b) => a + b, 0),
10,
);
assert.deepEqual(
state.players.map((p) => p.hand.length),
[1, 1, 2, 1],
);
assert.deepEqual(
state.players.map((p) => p.traitors),
heldTraitors,
);
const identities = [
...state.deck,
...state.discard,
...state.players.flatMap((p) => p.hand),
].map((c) => c.id);
assert.equal(identities.length, baseDeck().length);
assert.equal(new Set(identities).size, identities.length);
const final = structuredClone(state);
await f.restart().continueRoomAutomatic(f.code, clock);
assert.deepEqual(await f.restart().readRoom(f.code), final);
await assertPrivateViews(f, null);
for (const p of state.players)
assert.equal(
p.reserves +
p.tanks +
Object.values(p.forces).reduce((a, b) => a + b, 0),
20,
);
} finally {
f.sqlite.close();
}
});
void test('without prediction or placement choices, duplicate final traitor selection performs the automatic starting deal only once', async () => {
const f = await fixture(['atreides', 'harkonnen']);
try {
const initial = await preservedReload(f);
assert.equal(initial.setupStage, 'traitors');
assert.deepEqual(
initial.players.map((p) => p.hand),
[[], []],
);
assert.deepEqual(
initial.players.map((p) => p.forces),
[{}, {}],
);
await assertPrivateViews(f, 'traitors');
const done = await duplicate(f, 0, {
type: 'traitor',
leader: initial.players[0].traitorChoices[0],
});
assert.equal(done.status, 'playing');
assert.equal(done.phase, 0);
assert.deepEqual(
done.players.map((p) => p.hand.length),
[1, 2],
);
assert.equal(done.deck.length, baseDeck().length - 3);
assert.deepEqual(done.players[0].forces, { 'arrakeen:10': 10 });
assert.deepEqual(done.players[1].forces, { 'carthag:11': 10 });
const snapshot = structuredClone(done);
await f.restart().continueRoomAutomatic(f.code, clock);
assert.deepEqual(await f.restart().readRoom(f.code), snapshot);
await assertPrivateViews(f, null);
} finally {
f.sqlite.close();
}
});
void test('legacy saved setup without a stage preserves already known hands and choices through recovery and completion', async () => {
const f = await fixture();
try {
const legacy = await f.restart().readRoom(f.code);
delete legacy.setupStage;
const cards = baseDeck();
legacy.deck = cards.slice(5);
legacy.discard = [];
legacy.players[0].hand = [cards[0]];
legacy.players[1].hand = [cards[1]];
legacy.players[2].hand = [cards[2], cards[3]];
legacy.players[3].hand = [cards[4]];
for (const p of legacy.players) {
p.traitorChoices = [p.leaders[0].id];
p.traitors = [];
}
legacy.players[2].traitors = legacy.players[2].leaders
.slice(0, 4)
.map((l) => l.id);
legacy.players[2].traitorChoices = [];
legacy.players[0].forces = { 'polar_sink:0': 1 };
legacy.players[0].reserves = 19;
legacy.players[2].forces = { 'carthag:11': 10 };
legacy.players[2].reserves = 10;
legacy.players[3].forces = { 'arrakeen:10': 10 };
legacy.players[3].reserves = 10;
f.sqlite
.prepare('UPDATE rooms SET state=?,version=? WHERE code=?')
.run(JSON.stringify(legacy), legacy.version, f.code);
const beforeHands = structuredClone(legacy.players.map((p) => p.hand));
const beforeDeck = structuredClone(legacy.deck);
await preservedReload(f);
await assertPrivateViews(f, null);
await act(f, 0, { type: 'predict', faction: 'atreides', turn: 4 });
for (const index of [0, 1, 3])
await act(f, index, {
type: 'traitor',
leader: legacy.players[index].traitorChoices[0],
});
await act(f, 1, { type: 'fremenSetup', placements: { sietch_tabr: 10 } });
const done = await f.restart().readRoom(f.code);
assert.equal(done.status, 'playing');
assert.equal(done.setupStage, undefined);
assert.deepEqual(
done.players.map((p) => p.hand),
beforeHands,
);
assert.deepEqual(done.deck, beforeDeck);
assert.deepEqual(done.players[0].forces, legacy.players[0].forces);
assert.deepEqual(done.players[2].forces, legacy.players[2].forces);
assert.deepEqual(done.players[3].forces, legacy.players[3].forces);
} finally {
f.sqlite.close();
}
});