351 lines
12 KiB
TypeScript
351 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 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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const player = (g: engine.Game, id: string) =>
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g.players.find((p) => p.id === id)!;
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const clone = (g: engine.Game): engine.Game => JSON.parse(JSON.stringify(g));
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/** Only this conserved Advanced movement position is staged. Room creation,
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* credentials, shipping, movement, end-turn actions and SQL CAS are production. */
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async function fixture(mode: 'ship' | 'move', ecazMoves = true) {
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const store = unitStore();
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const made = await store.rooms.createRoom('Ecaz', 'harkonnen', false, []);
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const code = made.view.code;
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const joined = await store.rooms.joinRoom(code, 'Ally', 'atreides');
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const third = await store.rooms.joinRoom(code, 'Next', 'emperor');
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const tokens = [made.token, joined.token!, third.token!];
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const auths = await Promise.all(
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tokens.map((t) => store.rooms.authenticate(code, t)),
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);
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const [ecazAuth, allyAuth, nextAuth] = auths;
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const activeAuth = ecazMoves ? ecazAuth : allyAuth;
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const waitingAuth = ecazMoves ? allyAuth : ecazAuth;
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const g = await store.rooms.readRoom(code);
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g.players[0] = engine.newPlayer(ecazAuth.playerId, 'Ecaz', 'ecaz');
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Object.assign(g, {
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status: 'playing',
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phase: 5,
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turn: 2,
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advanced: true,
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expansions: ['ecaz'],
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storm: 18,
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active: activeAuth.playerId,
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order: auths.map((a) => a.playerId),
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movementRemaining: [activeAuth.playerId, nextAuth.playerId],
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response: null,
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decision: null,
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phaseOpening: null,
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deck: baseDeck(),
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discard: [],
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});
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for (const p of g.players)
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Object.assign(p, {
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forces: {},
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hand: [g.deck.shift()!],
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reserves: 20,
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tanks: 0,
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spice: 20,
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traitors: [p.leaders[0].id],
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traitorChoices: [],
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moved: 0,
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shipped: false,
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});
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player(g, ecazAuth.playerId).ally = allyAuth.playerId;
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player(g, allyAuth.playerId).ally = ecazAuth.playerId;
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player(g, waitingAuth.playerId).forces = { 'arrakeen:10': 2 };
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player(g, waitingAuth.playerId).reserves = 18;
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player(g, waitingAuth.playerId).shipped = true;
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player(g, waitingAuth.playerId).moved = 1;
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player(g, activeAuth.playerId).forces = { 'imperial_basin:10': 1 };
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player(g, activeAuth.playerId).reserves = 19;
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player(g, activeAuth.playerId).shipped = mode === 'move';
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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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const action: engine.Action =
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mode === 'ship'
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? { type: 'ship', amount: 2, territory: 'arrakeen', sector: 10 }
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: {
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type: 'move',
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forces: { 'imperial_basin:10': 1 },
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territory: 'arrakeen',
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sector: 10,
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};
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return {
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...store,
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code,
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tokens,
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auths,
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activeAuth,
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waitingAuth,
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nextAuth,
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save,
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initial: g,
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action,
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};
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}
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type Fixture = Awaited<ReturnType<typeof fixture>>;
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async function fresh(f: Fixture) {
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f.rooms = f.restart();
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const auths = await Promise.all(
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f.tokens.map((t) => f.rooms.authenticate(f.code, t)),
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);
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assert.deepEqual(
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auths.map((a) => a.playerId),
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f.auths.map((a) => a.playerId),
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);
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return auths.find((a) => a.playerId === f.activeAuth.playerId)!;
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}
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async function privateViews(f: Fixture, g: engine.Game) {
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for (const auth of f.auths) {
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const view = await f.rooms.readSeatView(f.code, auth);
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assert.deepEqual(
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view.players.find((p) => p.id === auth.playerId)!.hand,
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player(g, auth.playerId).hand,
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);
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assert.ok(
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view.players.every((p) => p.id === auth.playerId || !('hand' in p)),
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);
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}
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}
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async function race(f: Fixture, g: engine.Game, action: engine.Action) {
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let release!: () => void;
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let arrivals = 0;
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const waiting = new Promise<void>((r) => {
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release = r;
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});
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f.writes.length = 0;
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f.hooks.beforeWrite = async () => {
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if (++arrivals === 2) release();
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await waiting;
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};
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const results = await Promise.allSettled([
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f.rooms.act(f.code, f.activeAuth, g.version, action, clock),
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f.restart().act(f.code, f.activeAuth, g.version, action, clock),
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]);
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delete f.hooks.beforeWrite;
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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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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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const after = await f.rooms.readRoom(f.code);
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assert.equal(after.version, g.version + 1);
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return after;
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}
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function conserved(g: engine.Game) {
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for (const p of g.players)
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assert.equal(
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p.reserves + p.tanks + Object.values(p.forces).reduce((a, b) => a + b, 0),
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20,
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);
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const cards = [...g.deck, ...g.discard, ...g.players.flatMap((p) => p.hand)];
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assert.equal(cards.length, baseDeck().length);
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assert.equal(new Set(cards.map((c) => c.id)).size, cards.length);
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}
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async function end(f: Fixture, g: engine.Game) {
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await fresh(f);
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const after = await race(f, g, { type: 'endMovement' });
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assert.equal(after.phase, 5);
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assert.equal(after.active, f.nextAuth.playerId);
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assert.ok(player(after, f.activeAuth.playerId).forces['arrakeen:10'] > 0);
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assert.equal(player(after, f.waitingAuth.playerId).forces['arrakeen:10'], 2);
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assert.equal(player(after, f.activeAuth.playerId).tanks, 0);
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assert.equal(player(after, f.waitingAuth.playerId).tanks, 0);
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assert.deepEqual(engine.normalizeAutomaticGame(clone(after)), clone(after));
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conserved(after);
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return after;
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}
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void test('ordinary paid shipment into an Ecaz ally territory survives refresh and duplicate CAS without repeating payment or destroying cooccupation at turn end', async () => {
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for (const ecazMoves of [true, false]) {
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const f = await fixture('ship', ecazMoves);
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try {
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const auth = await fresh(f);
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assert.equal(auth.playerId, f.activeAuth.playerId);
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await privateViews(f, f.initial);
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const after = await race(f, f.initial, f.action);
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const active = player(after, f.activeAuth.playerId);
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assert.equal(active.forces['arrakeen:10'], 2);
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assert.equal(active.reserves, 17);
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assert.equal(active.spice, 18);
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assert.equal(active.shipped, true);
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assert.equal(active.moved, 0);
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assert.deepEqual(active.hand, player(f.initial, active.id).hand);
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assert.deepEqual(
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player(after, f.waitingAuth.playerId),
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player(f.initial, f.waitingAuth.playerId),
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);
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await assert.rejects(() =>
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f.rooms.act(f.code, f.activeAuth, f.initial.version, f.action, clock),
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);
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assert.deepEqual(await f.rooms.readRoom(f.code), after);
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await privateViews(f, after);
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const done = await end(f, after);
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assert.equal(player(done, active.id).spice, 18);
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assert.equal(player(done, active.id).forces['arrakeen:10'], 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('ordinary ground movement into either Ecaz alliance partner persists separately owned forces and ends after the ally has already moved', async () => {
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for (const ecazMoves of [true, false]) {
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const f = await fixture('move', ecazMoves);
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try {
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await fresh(f);
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const after = await race(f, f.initial, f.action);
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const active = player(after, f.activeAuth.playerId);
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assert.equal(active.forces['arrakeen:10'], 1);
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assert.equal(active.forces['imperial_basin:10'] ?? 0, 0);
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assert.equal(active.reserves, 19);
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assert.equal(active.spice, 20);
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assert.equal(active.moved, 1);
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assert.deepEqual(active.hand, player(f.initial, active.id).hand);
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await privateViews(f, after);
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await assert.rejects(() =>
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f.rooms.act(f.code, f.activeAuth, f.initial.version, f.action, clock),
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);
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assert.deepEqual(await f.rooms.readRoom(f.code), after);
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const done = await end(f, after);
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assert.equal(player(done, active.id).forces['arrakeen:10'], 1);
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assert.equal(player(done, active.id).spice, 20);
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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('asymmetric saved alliance rejects real entry and end-turn requests before any SQL mutation', async () => {
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for (const mode of ['ship', 'move'] as const) {
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const f = await fixture(mode);
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try {
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const damaged = clone(f.initial);
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player(damaged, f.waitingAuth.playerId).ally = null;
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f.save(damaged);
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await fresh(f);
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f.writes.length = 0;
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await assert.rejects(
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() =>
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f.rooms.act(f.code, f.activeAuth, damaged.version, f.action, clock),
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/reciprocal/,
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);
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assert.equal(f.writes.length, 0);
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assert.deepEqual(await f.rooms.readRoom(f.code), damaged);
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// A genuinely committed cooccupation is then copied with damaged alliance data.
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f.save(f.initial);
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const committed = await race(f, f.initial, f.action);
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const corrupted = clone(committed);
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player(corrupted, f.waitingAuth.playerId).ally = null;
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f.save(corrupted);
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f.writes.length = 0;
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await assert.rejects(
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() =>
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f.rooms.act(
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f.code,
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f.activeAuth,
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corrupted.version,
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{ type: 'endMovement' },
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clock,
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),
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/reciprocal/,
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);
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assert.equal(f.writes.length, 0);
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assert.deepEqual(await f.rooms.readRoom(f.code), corrupted);
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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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