530 lines
17 KiB
TypeScript
530 lines
17 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 { createRequire } from 'node:module';
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import { createTerrorState, placeTerror } from '../game/moritani-terror';
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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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/** Observe the real dispatcher before its public wrapper drains the saved frame. */
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const observed: { applyActionInner?: typeof engine.applyAction } = {};
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runInNewContext(
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ts.transpileModule(
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readFileSync(new URL('../game/engine.ts', import.meta.url), 'utf8') +
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'\nexport { applyActionInner };\n',
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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: observed,
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require: createRequire(new URL('../game/engine.ts', import.meta.url)),
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crypto: webcrypto,
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structuredClone,
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TextEncoder,
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JSON,
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},
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);
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function inner(g: engine.Game, id: string, action: engine.Action): engine.Game {
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const before = structuredClone(g);
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const next = JSON.parse(
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JSON.stringify(observed.applyActionInner!(g, id, action)),
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);
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assert.deepEqual(g, before);
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return next;
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}
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type Kind = 'sabotage' | 'robberyOverflow';
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async function fixture(kind: Kind, gift = true) {
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const store = unitStore();
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const created = await store.rooms.createRoom(
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'Moritani fixture seat',
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'guild',
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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 joined = await store.rooms.joinRoom(code, 'Entrant', 'emperor');
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const observer = await store.rooms.joinRoom(code, 'Observer', 'atreides');
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const tokens = [created.token, joined.token!, observer.token!];
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const seats = await Promise.all(
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tokens.map((t) => store.restart().authenticate(code, t)),
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);
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async function act(index: number, action: engine.Action) {
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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, seats[index], current.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 setup = await store.restart().readRoom(code);
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for (const [index, p] of setup.players.entries())
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await act(index, { type: 'traitor', leader: p.traitorChoices[0] });
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let g = await store.restart().readRoom(code);
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assert.equal(g.status, 'playing');
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const [owner, entrant, witness] = seats.map((s) => s.playerId);
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// Internal expansion fixture only; room credentials and subsequent shipment,
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// reveal, draw and discard actions all use the actual production code.
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g.players[0] = engine.newPlayer(owner, 'Moritani', 'moritani');
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Object.assign(g, {
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turn: 2,
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phase: 5,
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storm: 18,
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active: entrant,
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order: [entrant, owner, witness],
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movementRemaining: [entrant, owner, witness],
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deck: baseDeck(),
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discard: [],
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decision: null,
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response: null,
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phaseOpening: null,
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ready: [],
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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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p.traitors = [];
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p.shipped = false;
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p.moved = 0;
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}
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g.players[0].hand.push(
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...g.deck.splice(0, kind === 'robberyOverflow' ? 4 : gift ? 2 : 0),
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);
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g.players[1].hand.push(...g.deck.splice(0, kind === 'sabotage' ? 3 : 0));
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const originalVictimHand = structuredClone(g.players[1].hand);
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const overflowSelection = g.players[0].hand[0]?.id;
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const originalTop = g.deck[0].id;
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const physicalIds = inventory(g);
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g.moritaniTerror = createTerrorState(() => 0);
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const token = g.moritaniTerror.tokens.find(
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(t) => t.kind === (kind === 'sabotage' ? 'sabotage' : 'robbery'),
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)!;
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g.moritaniTerror = placeTerror(g.moritaniTerror, token.id, 'arrakeen', 1);
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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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await act(1, { type: 'ship', territory: 'arrakeen', sector: 10, amount: 2 });
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g = await store.restart().readRoom(code);
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assert.equal(g.pendingTerrorEntry?.stage, 'offer');
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assert.equal(g.players[1].spice, 18);
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if (kind === 'robberyOverflow') {
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await act(0, { type: 'decision', reveal: true });
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await act(0, { type: 'decision', choice: 'card' });
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g = await store.restart().readRoom(code);
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assert.equal(g.players[0].hand.length, 5);
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assert.ok(g.players[0].hand.some((c) => c.id === originalTop));
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assert.equal(g.pendingTerrorEntry?.stage, 'discard');
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}
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const beforeDiscard = structuredClone(g);
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g = inner(
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g,
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owner,
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kind === 'sabotage'
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? { type: 'decision', reveal: true }
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: { type: 'decision', card: overflowSelection },
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);
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assert.equal(g.pendingTreacheryDiscard?.continuation.kind, 'terrorDiscard');
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assert.equal(g.pendingTreacheryDiscard!.batch.cause, `terror:${kind}`);
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assert.equal(g.pendingTerrorEntry, null);
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assert.equal(g.decision, null);
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assert.equal(g.pendingTreacheryDiscard!.batch.entries.length, 1);
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assert.equal(g.pendingTreacheryDiscard!.batch.entries[0].publicFace, false);
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assert.equal(
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g.pendingTreacheryDiscard!.batch.entries[0].discardedBy,
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kind === 'sabotage' ? entrant : owner,
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);
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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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kind,
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gift,
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physicalIds,
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originalVictimHand,
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originalTop,
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overflowSelection,
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beforeDiscard,
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tokenId: token.id,
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};
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}
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type Fixture = Awaited<ReturnType<typeof fixture>>;
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function inventory(g: engine.Game) {
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const ids = [...g.deck, ...g.discard, ...g.players.flatMap((p) => p.hand)]
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.map((c) => c.id)
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.sort();
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assert.equal(new Set(ids).size, ids.length);
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return ids;
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}
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async function privateRead(f: Fixture) {
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const discarded = f.initial.pendingTreacheryDiscard!.batch.entries[0].card;
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for (const [index, token] of f.tokens.entries()) {
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const auth = await f.restart().authenticate(f.code, token);
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const view = await f.restart().readSeatView(f.code, auth);
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assert.equal(view.automaticContinuationPending, true);
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assert.equal(f.restart().needsAutomaticRoomRecovery(view), true);
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assert.equal(view.terrorEntry, null);
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for (const field of [
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'pendingTreacheryDiscard',
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'treacheryDiscardSequence',
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'resolvedTreacheryDiscardSequence',
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])
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assert.equal(Object.hasOwn(view, field), false);
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for (const [seat, p] of view.players.entries())
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assert.deepEqual(
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p.hand,
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seat === index ? f.initial.players[seat].hand : undefined,
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);
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assert.equal(
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JSON.stringify(view).includes(discarded.id),
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false,
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'no seat receives a fresh private discard identity',
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);
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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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}
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async function race(f: Fixture) {
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let release!: () => void,
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arrivals = 0;
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const barrier = new Promise<void>((resolve) => {
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release = resolve;
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});
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f.hooks.beforeWrite = async () => {
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if (++arrivals === 2) release();
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await barrier;
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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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f.hooks.beforeWrite = undefined;
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const done = await f.restart().readRoom(f.code);
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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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assert.equal(done.version, f.initial.version + 1);
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assert.equal(done.pendingTreacheryDiscard, null);
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assert.equal(
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done.resolvedTreacheryDiscardSequence,
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f.initial.treacheryDiscardSequence,
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);
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assert.deepEqual(done.deck, f.initial.deck);
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assert.deepEqual(done.discard, f.initial.discard);
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assert.deepEqual(done.players, f.initial.players);
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assert.deepEqual(done.moritaniTerror, f.initial.moritaniTerror);
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assert.deepEqual(inventory(done), f.physicalIds);
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await f.restart().continueRoomAutomatic(f.code, clock);
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assert.deepEqual(await f.restart().readRoom(f.code), done);
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assert.equal(f.writes.length, 2);
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return done;
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}
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void test('actual random Sabotage discard survives private reconnect and competing SQL workers without a reroll or repeated entry', async () => {
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for (const gift of [true, false]) {
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const f = await fixture('sabotage', gift);
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try {
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await privateRead(f);
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const victim = f.initial.discard[0].id;
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assert.ok(f.originalVictimHand.some((c) => c.id === victim));
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assert.equal(f.initial.players[1].hand.length, 2);
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assert.equal(
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f.initial.moritaniTerror!.tokens.find((t) => t.id === f.tokenId)!
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.status,
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'removed',
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);
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const done = await race(f);
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assert.equal(
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done.pendingTerrorEntry?.stage ?? null,
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gift ? 'gift' : null,
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);
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assert.equal(done.decision?.kind ?? null, gift ? 'moritaniTerror' : null);
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assert.equal(done.players[1].forces['arrakeen:10'], 2);
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assert.equal(done.players[1].reserves, 18);
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assert.equal(done.players[1].spice, 18);
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assert.equal(
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done.log.filter((l) =>
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l.text.includes('discarded a random Treachery card to Sabotage'),
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).length,
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1,
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);
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assert.equal(
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done.log.filter((l) => l.text.includes('revealed Sabotage')).length,
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1,
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);
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if (gift) {
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const card = done.players[0].hand[0].id;
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await f
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.restart()
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.act(
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f.code,
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f.seats[0],
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done.version,
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{ type: 'decision', card },
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clock,
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);
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const given = await f.restart().readRoom(f.code);
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assert.ok(given.players[1].hand.some((c) => c.id === card));
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assert.deepEqual(given.discard, done.discard);
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assert.equal(
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given.treacheryDiscardSequence,
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done.treacheryDiscardSequence,
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);
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assert.equal(given.pendingTerrorEntry, null);
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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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});
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void test('actual five-to-four Robbery overflow resumes once without a second draw or spice theft', async () => {
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const f = await fixture('robberyOverflow');
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try {
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await privateRead(f);
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assert.equal(f.beforeDiscard.players[0].hand.length, 5);
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assert.equal(f.initial.players[0].hand.length, 4);
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assert.equal(f.initial.discard[0].id, f.overflowSelection);
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assert.ok(f.initial.players[0].hand.some((c) => c.id === f.originalTop));
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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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f.initial.version,
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{ type: 'decision', choice: 'spice' },
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clock,
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),
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/committed discard/,
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);
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assert.equal(f.writes.length, 0);
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const done = await race(f);
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assert.equal(done.pendingTerrorEntry, null);
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assert.equal(done.decision, null);
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assert.equal(done.players[0].spice, 20);
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assert.equal(done.players[1].spice, 18);
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assert.equal(
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done.log.filter((l) =>
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l.text.includes('drew a Treachery card through Robbery'),
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).length,
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1,
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);
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assert.equal(
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done.log.filter((l) =>
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l.text.includes('discarded a card after the Robbery draw'),
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).length,
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1,
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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[0],
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f.initial.version,
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{ type: 'decision', card: f.overflowSelection },
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clock,
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),
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/table changed/,
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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[0],
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done.version,
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{ type: 'decision', choice: 'card' },
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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), done);
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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('corrupt forced-discard owner, parent, token, count and custody fail before persistence', async () => {
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for (const kind of ['sabotage', 'robberyOverflow'] as const) {
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const f = await fixture(kind);
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try {
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const continuation = (g: engine.Game) => {
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const c = g.pendingTreacheryDiscard!.continuation;
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assert.equal(c.kind, 'terrorDiscard');
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if (c.kind !== 'terrorDiscard')
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throw Error('Missing Terror continuation');
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return c;
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};
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const corruptions: ((g: engine.Game) => void)[] = [
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(g) => {
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g.pendingTreacheryDiscard!.batch.event = 'old-discard';
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},
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(g) => {
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continuation(g).owner = f.seats[1].playerId;
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},
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(g) => {
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continuation(g).entry.turn--;
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},
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(g) => {
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continuation(g).discardedHandSize = 0;
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},
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(g) => {
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g.moritaniTerror!.tokens.find((t) => t.id === f.tokenId)!.status =
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'placed';
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},
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(g) => {
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g.deck.push(structuredClone(g.discard[0]));
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},
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];
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for (const corrupt of corruptions) {
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const bad = structuredClone(f.initial);
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corrupt(bad);
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f.save(bad);
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await assert.rejects(f.restart().readSeatView(f.code, f.seats[0]));
|
|
await assert.rejects(f.restart().continueRoomAutomatic(f.code, clock));
|
|
await assert.rejects(
|
|
f
|
|
.restart()
|
|
.act(f.code, f.seats[0], bad.version, { type: 'ready' }, clock),
|
|
);
|
|
assert.deepEqual(await f.restart().readRoom(f.code), bad);
|
|
assert.equal(f.writes.length, 0);
|
|
}
|
|
} finally {
|
|
f.sqlite.close();
|
|
}
|
|
}
|
|
});
|
|
void test('retired forced-discard frames cannot be replayed at the latest room version', async () => {
|
|
for (const kind of ['sabotage', 'robberyOverflow'] as const) {
|
|
const f = await fixture(kind, false);
|
|
try {
|
|
const done = await race(f);
|
|
const replay = structuredClone(done);
|
|
replay.pendingTreacheryDiscard = structuredClone(
|
|
f.initial.pendingTreacheryDiscard,
|
|
);
|
|
f.save(replay);
|
|
const beforeWrites = f.writes.length;
|
|
await assert.rejects(
|
|
f.restart().continueRoomAutomatic(f.code, clock),
|
|
/sequence/,
|
|
);
|
|
await assert.rejects(
|
|
f
|
|
.restart()
|
|
.act(
|
|
f.code,
|
|
f.seats[0],
|
|
replay.version,
|
|
{ type: 'setAutopilot', difficulty: 'Easy' },
|
|
clock,
|
|
),
|
|
/sequence/,
|
|
);
|
|
assert.deepEqual(await f.restart().readRoom(f.code), replay);
|
|
assert.equal(f.writes.length, beforeWrites);
|
|
} finally {
|
|
f.sqlite.close();
|
|
}
|
|
}
|
|
});
|