393 lines
12 KiB
TypeScript
393 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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type Source = 'combat' | 'gift';
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async function fixture(source: Source, converted = true) {
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const store = unitStore();
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const made = await store.rooms.createRoom('BG', 'beneGesserit', false, []),
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code = made.view.code,
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tokens = [made.token];
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for (const [name, faction] of [
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['Fremen', 'fremen'],
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['Emperor', 'emperor'],
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] as const)
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tokens.push((await store.rooms.joinRoom(code, name, faction)).token!);
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const seats = await Promise.all(
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tokens.map((token) => store.restart().authenticate(code, token)),
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),
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ids = seats.map((s) => s.playerId);
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const old = await store.restart().readRoom(code);
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const g = engine.createGame(
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code,
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engine.newPlayer(ids[0], 'BG', 'beneGesserit'),
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true,
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[],
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);
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g.players.push(
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engine.newPlayer(ids[1], 'Fremen', 'fremen'),
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engine.newPlayer(ids[2], 'Emperor', 'emperor'),
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);
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// Genuine room identities with a bounded exposed phase fixture. All powers,
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// battle creation, card costs and saved conversion below use public actions.
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Object.assign(g, {
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version: old.version,
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status: 'playing',
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phase: source === 'combat' ? 6 : 5,
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turn: 2,
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storm: 18,
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active: ids[2],
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order: [ids[2], ids[1], ids[0]],
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movementRemaining: [ids[2], ids[1], ids[0]],
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deck: baseDeck(),
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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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Object.assign(p, {
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hand: [],
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spice: 20,
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forces: {},
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reserves: 20,
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tanks: 0,
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traitors: [],
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traitorChoices: [],
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});
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function hold(index: number, kind: string) {
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const at = g.deck.findIndex((c) => c.kind === kind || c.effect === kind);
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assert.ok(at >= 0);
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const card = g.deck.splice(at, 1)[0];
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g.players[index].hand.push(card);
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return card;
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}
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const worthless = hold(0, 'worthless'),
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karama = hold(2, 'karama');
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if (source === 'combat')
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for (const index of [1, 2])
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Object.assign(g.players[index], {
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forces: { 'false_wall_south:4': 4 },
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reserves: 16,
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});
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else {
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g.players[1].ally = ids[2];
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g.players[2].ally = ids[1];
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}
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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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async function act(index: number, action: engine.Action) {
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const state = await store.restart().readRoom(code);
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await store.restart().act(code, seats[index], state.version, action, clock);
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return store.restart().readRoom(code);
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}
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const original = await act(
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2,
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source === 'combat'
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? { type: 'chooseBattle', territory: 'false_wall_south', target: ids[1] }
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: { type: 'emperorGift', amount: 3 },
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);
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assert.equal(
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original.response?.kind,
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source === 'combat' ? 'fremenSupport' : 'emperorGift',
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);
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const pending = converted
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? await act(0, { type: 'card', card: worthless.id, mode: 'cancel' })
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: original;
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if (converted) {
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assert.equal(pending.response?.kind, 'worthlessKarama');
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assert.equal(
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pending.discard.filter((c) => c.id === worthless.id).length,
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1,
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);
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}
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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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tokens,
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seats,
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ids,
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save,
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act,
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original,
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pending,
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worthless,
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karama,
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};
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}
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type Fixture = Awaited<ReturnType<typeof fixture>>;
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async function privateViews(f: Fixture) {
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for (const token of f.tokens) {
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const seat = await f.restart().authenticate(f.code, token),
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view = await f.restart().readSeatView(f.code, seat);
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assert.equal('pendingKarama' in view, false);
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assert.equal(JSON.stringify(view).includes('"signature"'), false);
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for (const p of view.players)
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if (p.id !== seat.playerId)
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for (const key of ['hand', 'spice', 'traitors', 'traitorChoices'])
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assert.equal(key in p, false);
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}
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}
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async function finishRace(f: Fixture) {
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await privateViews(f);
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await f.restart().continueRoomAutomatic(f.code, clock);
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assert.equal(f.writes.length, 0);
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let count = 0,
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release!: () => void;
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const gate = new Promise<void>((r) => {
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release = r;
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});
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f.hooks.beforeWrite = async () => {
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if (++count === 2) release();
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await gate;
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};
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const results = await Promise.allSettled(
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[0, 1].map(() =>
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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[2],
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f.pending.version,
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{ type: 'passResponse' },
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clock,
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),
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),
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);
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f.hooks.beforeWrite = undefined;
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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 done = await f.restart().readRoom(f.code);
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assert.equal(done.version, f.pending.version + 1);
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assert.equal(done.pendingKarama, null);
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assert.equal(done.discard.filter((c) => c.id === f.worthless.id).length, 1);
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assert.ok(done.players[2].hand.some((c) => c.id === f.karama.id));
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assert.deepEqual(
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done.players.map((p) => ({
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spice: p.spice,
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forces: p.forces,
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reserves: p.reserves,
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tanks: p.tanks,
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})),
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f.original.players.map((p) => ({
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spice: p.spice,
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forces: p.forces,
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reserves: p.reserves,
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tanks: p.tanks,
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})),
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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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assert.deepEqual(await f.restart().readRoom(f.code), done);
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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[2],
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f.pending.version,
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{ type: 'passResponse' },
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clock,
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),
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/changed/i,
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);
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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('genuine Fremen support cancellation reloads and races one committed flag; subsequent sealed plan remains owner-private', async () => {
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const f = await fixture('combat');
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try {
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const done = await finishRace(f);
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assert.equal(done.battle!.fremenSupportBlocked, true);
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assert.equal(done.battle!.revealed, false);
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assert.equal(done.battle!.event, f.original.battle!.event);
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assert.deepEqual(done.battle!.plans, {});
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const leader = done.players[2].leaders[0].id;
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const sealed = await f.act(2, {
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type: 'battlePlan',
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leader,
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dial: 1,
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support: 1,
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});
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assert.ok(sealed.battle!.plans[f.ids[2]]);
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const mine = await f
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.restart()
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.readSeatView(
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f.code,
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await f.restart().authenticate(f.code, f.tokens[2]),
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);
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const other = await f
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.restart()
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.readSeatView(
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f.code,
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await f.restart().authenticate(f.code, f.tokens[1]),
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);
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assert.deepEqual(mine.battle!.plans, {
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[f.ids[2]]: sealed.battle!.plans[f.ids[2]],
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});
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assert.deepEqual(other.battle!.plans, {});
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assert.equal(JSON.stringify(other.battle).includes(leader), false);
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await privateViews(f);
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await f.restart().continueRoomAutomatic(f.code, clock);
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assert.deepEqual(await f.restart().readRoom(f.code), sealed);
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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('genuine Emperor gift cancellation retains both balances through fresh authenticated recovery and one final CAS winner', async () => {
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const f = await fixture('gift');
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try {
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const done = await finishRace(f);
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assert.equal(done.response, null);
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assert.deepEqual(
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done.players.map((p) => p.spice),
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[20, 20, 20],
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);
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await privateViews(f);
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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('malformed pending combat successor rejects before BG cost and after its durable allowance with zero SQL writes', async () => {
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for (const converted of [false, true]) {
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const f = await fixture('combat', converted);
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try {
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const mutations: ((g: engine.Game) => void)[] = [
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(g) => {
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g.battle!.powerChecks = [
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{ kind: 'advisor', owner: f.ids[0] } as unknown as NonNullable<
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NonNullable<engine.Game['battle']>['powerChecks']
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>[number],
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];
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},
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(g) => {
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g.battle!.powerChecks = [{ kind: 'kwisatz', owner: 'missing' }];
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},
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];
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for (const mutate of mutations) {
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const bad = structuredClone(f.pending);
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mutate(bad);
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f.save(bad);
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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[converted ? 2 : 0],
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bad.version,
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converted
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? { type: 'passResponse' }
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: { type: 'card', card: f.worthless.id, mode: 'cancel' },
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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), bad);
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assert.equal(f.writes.length, 0);
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assert.equal(
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bad.discard.filter((c) => c.id === f.worthless.id).length,
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converted ? 1 : 0,
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);
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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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