410 lines
13 KiB
TypeScript
410 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 { baseDeck } from '../game/cards';
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import { TERRITORIES, gameDistance, location } from '../game/board';
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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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'Fremen mover',
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'fremen',
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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, 'Canceler', 'emperor');
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const third = await store.rooms.joinRoom(code, 'Observer', 'harkonnen');
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const owner = await store.rooms.authenticate(code, created.token);
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const other = await store.rooms.authenticate(code, joined.token!);
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const observer = await store.rooms.authenticate(code, third.token!);
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const initial = await store.rooms.readRoom(code);
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Object.assign(initial, {
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status: 'playing',
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phase: 5,
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turn: 2,
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active: owner.playerId,
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order: initial.players.map((p) => p.id),
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movementRemaining: initial.players.map((p) => p.id),
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storm: 18,
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});
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const cards = baseDeck();
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const karama = cards.find((c) => c.effect === 'karama')!;
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const privateCards = [
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cards.find((c) => c.kind === 'poison')!,
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cards.find((c) => c.kind === 'projectile')!,
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cards.find((c) => c.kind === 'shield')!,
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];
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for (const [i, p] of initial.players.entries()) {
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Object.assign(p, {
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hand: [privateCards[i]],
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spice: 10,
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forces: {},
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reserves: 20,
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});
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}
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initial.players[1].hand.push(karama);
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const held = new Set(initial.players.flatMap((p) => p.hand.map((c) => c.id)));
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initial.deck = cards.filter((c) => !held.has(c.id));
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const from = 'red_chasm:7';
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initial.players[0].forces = { [from]: 4 };
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initial.players[0].reserves = 16;
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const targets = TERRITORIES.filter((t) => t.type === 'sand').flatMap((t) =>
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t.sectors
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.filter((s) => s !== 18)
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.map((s) => ({ territory: t.id, sector: s })),
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);
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const to = targets.find(
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(t) =>
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gameDistance(initial, from, location(t.territory, t.sector), (k) =>
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k.endsWith(':18'),
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) === 2,
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)!;
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const near = targets.find(
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(t) =>
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gameDistance(initial, from, location(t.territory, t.sector), (k) =>
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k.endsWith(':18'),
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) === 1,
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)!;
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assert.ok(
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to && near,
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'The fixture requires printed legal two- and one-territory routes.',
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);
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const first: engine.Action = { type: 'move', forces: { [from]: 3 }, ...to };
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const replacement: engine.Action = {
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type: 'move',
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forces: { [from]: 3 },
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...near,
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};
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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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store.writes.length = 0;
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return {
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...store,
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code,
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owner,
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other,
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observer,
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initial,
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first,
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replacement,
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to,
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near,
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from,
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karama,
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privateCards,
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};
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}
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function barrier() {
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let release!: () => void;
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const ready = 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 ready;
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};
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}
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function committedOnce(
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results: PromiseSettledResult<unknown>[],
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writes: { changes: number }[],
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) {
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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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writes.map((w) => w.changes).sort((a, b) => a - b),
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[0, 1],
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);
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}
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void test('Fremen movement declaration survives production room-module restart with exact forces and private hands, then allowance commits once', async () => {
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const f = await fixture();
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try {
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await f.rooms.act(f.code, f.owner, f.initial.version, f.first, clock);
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const pending = await f.restart().readRoom(f.code);
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assert.equal(pending.response?.kind, 'fremenMovement');
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assert.equal(pending.pendingFremenMove?.order.player, f.owner.playerId);
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assert.equal(pending.pendingFremenMove?.turn, 2);
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assert.equal(pending.pendingFremenMove?.move, 0);
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assert.deepEqual(pending.players[0].forces, f.initial.players[0].forces);
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assert.equal(pending.players[0].moved, 0);
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assert.deepEqual(
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pending.players.map((p) => p.spice),
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[10, 10, 10],
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);
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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(
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f.writes.length,
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writes,
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'A legitimate private cancellation choice must remain waiting without writes.',
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);
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assert.deepEqual(await f.restart().readRoom(f.code), pending);
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const seats = [f.owner, f.other, f.observer];
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for (const [i, auth] of seats.entries()) {
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const view = await f.restart().readSeatView(f.code, auth);
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assert.equal(view.response?.kind, 'fremenMovement');
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assert.deepEqual(
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view.players.find((p) => p.id === auth.playerId)!.hand,
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pending.players[i].hand,
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);
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for (const [j, card] of f.privateCards.entries()) {
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if (i !== j)
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assert.equal(
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JSON.stringify(view).includes(card.id),
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false,
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'Foreign unplayed card identities must stay hidden.',
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);
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}
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assert.equal(JSON.stringify(view).includes(f.karama.id), i === 1);
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}
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await f
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.restart()
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.act(f.code, f.other, pending.version, { type: 'passResponse' }, clock);
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const done = await f.restart().readRoom(f.code);
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assert.equal(done.version, pending.version + 1);
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assert.equal(done.pendingFremenMove, null);
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assert.equal(done.response, null);
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assert.equal(done.players[0].moved, 1);
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assert.deepEqual(done.players[0].forces, {
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[f.from]: 1,
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[location(f.to.territory, f.to.sector)]: 3,
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});
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assert.ok(done.players[1].hand.some((c) => c.id === f.karama.id));
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assert.equal(done.discard.length, 0);
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await assert.rejects(
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f.rooms.act(
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f.code,
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f.other,
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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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assert.deepEqual(await f.restart().readRoom(f.code), done);
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} finally {
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f.sqlite.close();
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}
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});
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void test('concurrent Fremen movement allowance and Karama cancellation publish exactly one authoritative outcome', async () => {
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const f = await fixture();
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try {
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await f.rooms.act(f.code, f.owner, f.initial.version, f.first, clock);
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const pending = 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 replies = await Promise.allSettled([
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f.rooms.act(
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f.code,
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f.other,
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pending.version,
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{ type: 'passResponse' },
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clock,
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),
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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.other,
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pending.version,
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{ type: 'card', mode: 'cancel', card: f.karama.id },
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clock,
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),
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]);
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f.hooks.beforeWrite = undefined;
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committedOnce(replies, f.writes);
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const done = await f.restart().readRoom(f.code);
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assert.equal(done.version, pending.version + 1);
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assert.equal(done.pendingFremenMove, null);
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assert.equal(done.response, null);
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const canceled = done.discard.some((c) => c.id === f.karama.id);
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assert.equal(done.players[0].moved, canceled ? 0 : 1);
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assert.equal(
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done.players[1].hand.some((c) => c.id === f.karama.id),
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!canceled,
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);
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assert.equal(
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done.discard.filter((c) => c.id === f.karama.id).length,
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canceled ? 1 : 0,
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);
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assert.deepEqual(
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done.players[0].forces,
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canceled
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? pending.players[0].forces
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: { [f.from]: 1, [location(f.to.territory, f.to.sector)]: 3 },
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);
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assert.deepEqual(
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done.players.map((p) => p.spice),
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[10, 10, 10],
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);
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assert.equal(done.players[0].reserves, 16);
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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('duplicate movement cancellation spends one Karama and a restored one-territory replacement uses the still-unspent move once', async () => {
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const f = await fixture();
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try {
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await f.rooms.act(f.code, f.owner, f.initial.version, f.first, clock);
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const pending = await f.restart().readRoom(f.code);
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const cancel: engine.Action = {
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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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f.writes.length = 0;
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f.hooks.beforeWrite = barrier();
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const replies = await Promise.allSettled([
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f.rooms.act(f.code, f.other, pending.version, cancel, clock),
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f.restart().act(f.code, f.other, pending.version, cancel, clock),
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]);
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f.hooks.beforeWrite = undefined;
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committedOnce(replies, f.writes);
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const stopped = await f.restart().readRoom(f.code);
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assert.equal(stopped.players[0].moved, 0);
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assert.deepEqual(stopped.players[0].forces, pending.players[0].forces);
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assert.deepEqual(stopped.players[0].fremenMovementBlocked, {
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turn: 2,
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move: 0,
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});
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assert.equal(stopped.discard.filter((c) => c.id === f.karama.id).length, 1);
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assert.equal(
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stopped.players[1].hand.some((c) => c.id === f.karama.id),
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false,
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);
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for (const auth of [f.owner, f.other, f.observer]) {
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const view = await f.restart().readSeatView(f.code, auth);
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assert.equal(view.players[0].fremenMovementBlocked, true);
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}
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await assert.rejects(
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f.restart().act(f.code, f.owner, stopped.version, f.first, clock),
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/more than 1 territories/,
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);
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await assert.rejects(
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f.restart().act(f.code, f.other, stopped.version, cancel, clock),
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);
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assert.deepEqual(await f.rooms.readRoom(f.code), stopped);
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f.writes.length = 0;
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f.hooks.beforeWrite = barrier();
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const replacements = await Promise.allSettled([
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f.restart().act(f.code, f.owner, stopped.version, f.replacement, clock),
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f.rooms.act(f.code, f.owner, stopped.version, f.replacement, clock),
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]);
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f.hooks.beforeWrite = undefined;
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committedOnce(replacements, f.writes);
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const done = await f.restart().readRoom(f.code);
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assert.equal(done.version, stopped.version + 1);
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assert.equal(done.players[0].moved, 1);
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assert.equal(done.response, null);
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assert.equal(done.pendingFremenMove, null);
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assert.deepEqual(done.players[0].forces, {
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[f.from]: 1,
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[location(f.near.territory, f.near.sector)]: 3,
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});
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assert.equal(done.discard.filter((c) => c.id === f.karama.id).length, 1);
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assert.deepEqual(
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done.players.map((p) => p.spice),
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[10, 10, 10],
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);
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assert.equal(
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(await f.restart().readSeatView(f.code, f.owner)).players[0]
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.fremenMovementBlocked,
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false,
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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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