516 lines
15 KiB
TypeScript
516 lines
15 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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async function fixture() {
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const store = unitStore();
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const created = await store.rooms.createRoom(
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'Shipment owner',
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'emperor',
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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, 'Guild gatekeeper', 'guild');
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const donor = await store.rooms.joinRoom(code, 'Shipment donor', 'atreides');
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const seats = await Promise.all(
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[created.token, joined.token!, donor.token!].map((token) =>
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store.rooms.authenticate(code, token),
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),
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);
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const action = async (index: number, command: 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, command, clock);
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return store.restart().readRoom(code);
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};
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for (const index of [0, 1, 2]) await action(index, { type: 'ready' });
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let initial = await action(0, { type: 'start' });
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for (const [index, p] of initial.players.entries())
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if (p.traitorChoices.length)
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await action(index, { type: 'traitor', leader: p.traitorChoices[0] });
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initial = await store.restart().readRoom(code);
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assert.equal(initial.status, 'playing');
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Object.assign(initial, {
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advanced: true,
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phase: 5,
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turn: 2,
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storm: 18,
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active: seats[0].playerId,
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order: seats.map((seat) => seat.playerId),
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movementRemaining: seats.map((seat) => seat.playerId),
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deck: baseDeck(),
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discard: [],
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});
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for (const p of initial.players) {
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p.hand = [];
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p.spice = 20;
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p.forces = {};
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p.reserves = 20;
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}
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initial.players[0].elites = { reserves: 5, tanks: 0, forces: {}, revived: 0 };
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initial.players[0].ally = seats[2].playerId;
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initial.players[2].ally = seats[0].playerId;
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const karama = initial.deck.find((card) => card.effect === 'karama')!;
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initial.deck = initial.deck.filter((card) => card.id !== karama.id);
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initial.players[1].hand = [karama];
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const save = (g: 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(g), g.version, code);
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// Seed only the isolated in-memory room; all declaration and continuation actions use production rooms.act.
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save(initial);
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initial = await action(2, { type: 'pledgeAid', amount: 3 });
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const shipment: engine.Action = {
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type: 'ship',
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territory: 'arrakeen',
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sector: 10,
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amount: 4,
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elite: 2,
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allyPayment: 2,
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};
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const pending = await action(0, shipment);
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assert.equal(pending.decision?.kind, 'guildShipment');
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assert.ok(pending.pendingShipment);
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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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initial,
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pending,
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save,
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karama,
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shipment,
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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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function barrier() {
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let release!: () => void;
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const waiting = new Promise<void>((resolve) => {
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release = resolve;
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});
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let arrivals = 0;
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return async () => {
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if (++arrivals === 2) release();
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await waiting;
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};
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}
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async function duplicate(f: Fixture, action: engine.Action) {
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const before = await f.restart().readRoom(f.code);
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f.writes.length = 0;
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f.hooks.beforeWrite = barrier();
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const attempts = await Promise.allSettled([
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f.rooms.act(f.code, f.seats[1], before.version, action, clock),
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f.restart().act(f.code, f.seats[1], before.version, action, clock),
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]);
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f.hooks.beforeWrite = undefined;
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assert.equal(
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attempts.filter((result) => result.status === 'fulfilled').length,
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1,
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);
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assert.equal(
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attempts.filter((result) => result.status === 'rejected').length,
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1,
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);
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assert.deepEqual(
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f.writes.map((write) => write.changes).sort((a, b) => a - b),
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[0, 1],
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);
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const after = await f.restart().readRoom(f.code);
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assert.equal(after.version, before.version + 1);
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const writes = f.writes.length;
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for (const version of [before.version, after.version])
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await assert.rejects(
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f.restart().act(f.code, f.seats[1], version, action, clock),
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);
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assert.equal(f.writes.length, writes);
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assert.deepEqual(await f.restart().readRoom(f.code), after);
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return after;
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}
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function cards(g: engine.Game) {
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return [...g.deck, ...g.discard, ...g.players.flatMap((p) => p.hand)]
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.map((card) => card.id)
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.sort();
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}
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async function unchangedRejected(
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f: Fixture,
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g: engine.Game,
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action: engine.Action,
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) {
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f.save(g);
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const before = await f.restart().readRoom(f.code);
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f.writes.length = 0;
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await assert.rejects(
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f.restart().act(f.code, f.seats[1], before.version, action, clock),
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);
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assert.equal(
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f.writes.length,
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0,
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'Invalid restored declaration reached a room CAS.',
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);
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assert.deepEqual(await f.restart().readRoom(f.code), before);
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assert.deepEqual(cards(before), cards(g));
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const guildView = await f.restart().readSeatView(f.code, f.seats[1]);
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assert.deepEqual(
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guildView.players.find((p) => p.id === f.seats[1].playerId)!.hand,
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g.players[1].hand,
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);
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}
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const mutations: [string, (g: engine.Game) => void][] = [
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[
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'negative price',
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(g) => {
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g.pendingShipment!.cost = -1;
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},
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],
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[
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'stale price',
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(g) => {
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g.pendingShipment!.cost = 3;
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},
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],
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[
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'excess contribution',
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(g) => {
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g.pendingShipment!.allyPayment = 5;
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g.aid[g.players[2].id].amount = 5;
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},
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],
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[
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'negative contribution',
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(g) => {
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g.pendingShipment!.allyPayment = -1;
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},
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],
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[
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'fractional contribution',
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(g) => {
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g.pendingShipment!.allyPayment = 1.5;
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},
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],
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[
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'missing escrow',
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(g) => {
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g.aid[g.players[2].id].amount = 1;
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},
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],
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[
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'broken mutual alliance',
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(g) => {
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g.players[2].ally = null;
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},
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],
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[
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'missing physical reserves',
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(g) => {
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g.players[0].reserves = 3;
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},
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],
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[
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'missing elite reserves',
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(g) => {
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g.players[0].elites!.reserves = 1;
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},
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],
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[
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'missing regular reserves',
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(g) => {
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g.players[0].elites!.reserves = 19;
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},
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],
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[
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'negative force count',
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(g) => {
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g.pendingShipment!.amount = -1;
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},
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],
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[
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'negative elite count',
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(g) => {
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g.pendingShipment!.elite = -1;
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},
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],
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[
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'already shipped',
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(g) => {
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g.players[0].shipped = true;
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},
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],
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[
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'wrong phase',
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(g) => {
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g.phase = 7;
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},
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],
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[
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'wrong status',
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(g) => {
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g.status = 'setup';
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},
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],
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[
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'wrong active player',
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(g) => {
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g.active = g.players[2].id;
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},
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],
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[
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'wrong stamped turn',
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(g) => {
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Object.assign(g.pendingShipment!, { turn: g.turn - 1 });
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},
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],
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[
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'storm destination',
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(g) => {
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g.storm = 10;
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},
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],
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[
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'invalid advisor stance',
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(g) => {
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g.pendingShipment!.advisors = true;
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},
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],
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[
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'full stronghold',
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(g) => {
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for (const p of g.players.slice(1)) {
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p.forces = { 'arrakeen:10': 1 };
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p.reserves = 19;
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}
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},
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],
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[
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'decision shipper mismatch',
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(g) => {
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if (g.decision?.kind === 'guildShipment')
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g.decision.shipper = g.players[2].id;
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},
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],
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[
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'decision destination mismatch',
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(g) => {
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if (g.decision?.kind === 'guildShipment')
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g.decision.territory = 'carthag';
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},
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],
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[
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'decision sector mismatch',
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(g) => {
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if (g.decision?.kind === 'guildShipment') g.decision.sector = 11;
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},
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],
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[
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'decision quantity mismatch',
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(g) => {
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if (g.decision?.kind === 'guildShipment') g.decision.amount = 5;
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},
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],
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];
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void test('corrupted saved physical shipment price, contribution, typed custody, context and public binding reject without a CAS or resource change', async (t) => {
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const f = await fixture();
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try {
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const failures: string[] = [];
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for (const [name, mutate] of mutations) {
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const g = structuredClone(f.pending);
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mutate(g);
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try {
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await unchangedRejected(f, g, { type: 'decision', allow: true });
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} catch (error) {
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failures.push(`${name}: ${String(error)}`);
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}
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}
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t.diagnostic(`${mutations.length} corrupted saved declarations checked`);
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assert.deepEqual(failures, []);
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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('current stamped and legacy unstamped pending shipments restore and commit once under duplicate Guild allowance', async () => {
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for (const legacy of [false, true]) {
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const f = await fixture();
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try {
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const pending = structuredClone(f.pending);
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assert.equal(
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(pending.pendingShipment as { turn?: number }).turn,
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pending.turn,
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);
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if (legacy) delete (pending.pendingShipment as { turn?: number }).turn;
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f.save(pending);
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assert.deepEqual(await f.restart().readRoom(f.code), pending);
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const beforeWrites = f.writes.length;
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await f.restart().continueRoomAutomatic(f.code, clock);
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assert.equal(f.writes.length, beforeWrites);
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assert.deepEqual(await f.restart().readRoom(f.code), pending);
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const after = await duplicate(f, { type: 'decision', allow: true });
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assert.equal(after.pendingShipment, null);
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assert.equal(after.decision, null);
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assert.equal(after.players[0].spice, 18);
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assert.equal(after.players[0].reserves, 16);
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assert.deepEqual(after.players[0].forces, { 'arrakeen:10': 4 });
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assert.equal(after.players[0].elites!.reserves, 3);
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assert.deepEqual(after.players[0].elites!.forces, { 'arrakeen:10': 2 });
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assert.equal(after.players[0].shipped, true);
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assert.equal(after.aid[f.seats[2].playerId].amount, 1);
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assert.equal(after.players[1].spice, 24);
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assert.deepEqual(after.players[1].hand, f.pending.players[1].hand);
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assert.deepEqual(cards(after), cards(pending));
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assert.equal(
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after.log.filter((entry) => /shipped 4 forces/.test(entry.text)).length,
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1,
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);
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await f.restart().continueRoomAutomatic(f.code, clock);
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assert.deepEqual(await f.restart().readRoom(f.code), after);
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} finally {
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f.hooks.beforeWrite = undefined;
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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('Guild special stop validates the restored declaration before spending its physical card, then duplicate valid stops settle once', async (t) => {
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const f = await fixture();
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try {
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const stop: engine.Action = {
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type: 'card',
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mode: 'special',
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card: f.karama.id,
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};
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const failures: string[] = [];
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for (const [name, mutate] of mutations) {
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const g = structuredClone(f.pending);
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mutate(g);
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try {
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await unchangedRejected(f, g, stop);
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} catch (error) {
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failures.push(`${name}: ${String(error)}`);
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}
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}
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t.diagnostic(
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`${mutations.length} corrupted special-stop declarations checked`,
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);
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assert.deepEqual(failures, []);
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f.save(f.pending);
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const stopped = await duplicate(f, stop);
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assert.equal(stopped.pendingShipment, null);
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assert.equal(stopped.decision, null);
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assert.equal(stopped.players[0].shipped, true);
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assert.equal(stopped.players[1].specialKaramaUsed, true);
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assert.equal(
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stopped.discard.filter((card) => card.id === f.karama.id).length,
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1,
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);
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assert.equal(
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stopped.players[1].hand.some((card) => card.id === f.karama.id),
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false,
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);
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assert.equal(stopped.players[0].spice, f.pending.players[0].spice);
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assert.equal(stopped.players[1].spice, f.pending.players[1].spice);
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assert.deepEqual(stopped.aid, f.pending.aid);
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assert.deepEqual(stopped.players[0].forces, f.pending.players[0].forces);
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assert.deepEqual(stopped.players[0].elites, f.pending.players[0].elites);
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assert.equal(stopped.players[0].reserves, f.pending.players[0].reserves);
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assert.deepEqual(cards(stopped), cards(f.pending));
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await f.restart().continueRoomAutomatic(f.code, clock);
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assert.deepEqual(await f.restart().readRoom(f.code), stopped);
|
|
} finally {
|
|
f.hooks.beforeWrite = undefined;
|
|
f.sqlite.close();
|
|
}
|
|
});
|