370 lines
13 KiB
TypeScript
370 lines
13 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 * as seatAiDelegation from '../lib/seat-ai-delegation';
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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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if (name === '@/lib/seat-ai-delegation') return seatAiDelegation;
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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 Route = 'reserve' | 'cross';
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async function fixture(route: Route, canCancel: boolean) {
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const store = unitStore();
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const created = await store.rooms.createRoom(
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'Guild shipper',
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'guild',
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false,
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[],
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);
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const code = created.view.code;
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const donor = await store.rooms.joinRoom(code, 'Emperor donor', 'emperor');
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const opposing = await store.rooms.joinRoom(
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code,
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'Atreides observer',
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'atreides',
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);
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const seats = await Promise.all(
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[created.token, donor.token!, opposing.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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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].ally = seats[1].playerId;
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initial.players[1].ally = seats[0].playerId;
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if (route === 'cross') {
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initial.players[0].forces = { 'arrakeen:10': 4 };
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initial.players[0].reserves = 16;
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}
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const karama = initial.deck.find((card) => card.effect === 'karama')!;
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if (canCancel) {
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initial.deck = initial.deck.filter((card) => card.id !== karama.id);
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initial.players[2].hand = [karama];
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}
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// Only this fixture's in-memory database receives the explicit mid-game scenario.
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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(initial), initial.version, code);
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initial = await action(1, { type: 'pledgeAid', amount: 4 });
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store.writes.length = 0;
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const shipment: engine.Action = {
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type: route === 'reserve' ? 'ship' : 'guildShip',
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...(route === 'cross' ? { from: 'arrakeen:10' } : {}),
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territory: 'carthag',
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sector: 11,
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amount: 4,
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allyPayment: 1,
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};
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return { ...store, code, seats, initial, karama, shipment, action };
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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, index: number, 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[index], before.version, action, clock),
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f.restart().act(f.code, f.seats[index], 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[index], 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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async function restored(f: Fixture) {
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const before = await f.restart().readRoom(f.code);
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const writes = f.writes.length;
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await f.restart().continueRoomAutomatic(f.code, clock);
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assert.equal(f.writes.length, writes);
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assert.deepEqual(await f.restart().readRoom(f.code), before);
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for (const [index, seat] of f.seats.entries()) {
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const view = await f.restart().readSeatView(f.code, seat);
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const own = view.players.find((p) => p.id === seat.playerId)!;
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assert.deepEqual(own.hand, before.players[index].hand);
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assert.equal(own.spice, before.players[index].spice);
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for (const p of view.players.filter((p) => p.id !== seat.playerId)) {
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assert.equal(p.hand, undefined);
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assert.equal(p.spice, undefined);
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assert.equal(p.traitors, undefined);
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assert.equal(p.traitorChoices, undefined);
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}
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assert.equal('deck' in view, false);
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if (before.response) {
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assert.equal(view.response?.kind, 'guildIncome');
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assert.equal(view.response?.amount, 1);
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assert.deepEqual(
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view.responseControls?.cancelCards,
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index === 2 ? [f.karama.id] : [],
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);
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}
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}
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return before;
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}
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function paidOnce(f: Fixture, g: engine.Game, guildSpice: number) {
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assert.equal(g.players[0].spice, guildSpice);
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assert.equal(g.players[1].spice, 16);
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assert.equal(g.aid[f.seats[1].playerId].amount, 3);
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assert.equal(g.players[0].shipped, true);
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assert.equal(g.players[0].moved, 0);
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assert.equal(g.players[0].reserves, 16);
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assert.deepEqual(g.players[0].forces, { 'carthag:11': 4 });
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assert.equal(
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g.log.filter((entry) =>
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/shipped 4 forces|used Guild transport for 4 forces/.test(entry.text),
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).length,
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1,
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);
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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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void test('duplicate Guild reserve and cross shipments from restarted room workers charge each contributor and grant income exactly once', async () => {
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for (const route of ['reserve', 'cross'] as const) {
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const f = await fixture(route, false);
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try {
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const before = await f.restart().readRoom(f.code);
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await assert.rejects(
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f.restart().act(f.code, f.seats[1], before.version, f.shipment, clock),
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);
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assert.equal(f.writes.length, 0);
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assert.deepEqual(await f.restart().readRoom(f.code), before);
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const after = await duplicate(f, 0, f.shipment);
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paidOnce(f, after, 20);
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assert.equal(after.response, null);
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assert.equal(
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after.log.filter((entry) => entry.automatic?.name === 'Shipment income')
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.length,
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1,
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);
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assert.deepEqual(cards(after), cards(f.initial));
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assert.deepEqual(await restored(f), 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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for (const cancel of [false, true])
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void test(`restored Guild income ${cancel ? 'cancellation' : 'allowance'} commits once while prior force arrival and contributor payments remain unchanged`, async () => {
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for (const route of ['reserve', 'cross'] as const) {
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const f = await fixture(route, true);
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try {
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let announced = await f.action(0, f.shipment);
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// Native cross-planet transport first opens its permission window.
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if (announced.response?.kind === 'guildTransportPermission')
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announced = await f.action(2, { type: 'passResponse' });
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assert.equal(announced.response?.kind, 'guildRate');
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assert.equal(announced.players[0].spice, 20);
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assert.equal(announced.players[0].shipped, false);
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const allowed = await f.action(2, { type: 'passResponse' });
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assert.equal(allowed.response?.kind, 'guildIncome');
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const pending = await restored(f);
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paidOnce(f, pending, 19);
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assert.equal(pending.response?.kind, 'guildIncome');
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assert.equal(pending.response?.owner, f.seats[0].playerId);
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assert.equal(pending.response?.amount, 1);
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assert.equal(
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pending.discard.some((card) => card.id === f.karama.id),
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false,
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);
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const writeCount = f.writes.length;
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for (const index of [0, 1])
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await assert.rejects(
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f.restart().act(
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f.code,
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f.seats[index],
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pending.version,
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{
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type: 'card',
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mode: 'cancel',
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card: f.karama.id,
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},
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clock,
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),
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);
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await assert.rejects(
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f
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.restart()
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.act(f.code, f.seats[0], pending.version, f.shipment, clock),
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);
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assert.equal(f.writes.length, writeCount);
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assert.deepEqual(await f.restart().readRoom(f.code), pending);
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const resolution: engine.Action = cancel
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? { type: 'card', mode: 'cancel', card: f.karama.id }
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: { type: 'passResponse' };
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const after = await duplicate(f, 2, resolution);
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paidOnce(f, after, cancel ? 19 : 20);
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assert.equal(after.response, null);
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assert.equal(
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after.discard.filter((card) => card.id === f.karama.id).length,
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cancel ? 1 : 0,
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);
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assert.equal(
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after.players[2].hand.some((card) => card.id === f.karama.id),
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!cancel,
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);
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assert.equal(
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after.log.filter(
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(entry) =>
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entry.automatic?.name ===
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(cancel ? 'Shipment income prevented' : 'Shipment income'),
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).length,
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1,
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);
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assert.deepEqual(cards(after), cards(pending));
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assert.deepEqual(await restored(f), 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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