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refactor(mcp): extract all MCP tools into dedicated modules and add shared helpers
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jubnl
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/**
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* Unit tests for MCP day and accommodation tools:
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* create_day, delete_day,
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* create_accommodation, update_accommodation, delete_accommodation.
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*/
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import { describe, it, expect, vi, beforeAll, beforeEach, afterAll } from 'vitest';
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const { testDb, dbMock } = vi.hoisted(() => {
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const Database = require('better-sqlite3');
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const db = new Database(':memory:');
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db.exec('PRAGMA journal_mode = WAL');
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db.exec('PRAGMA foreign_keys = ON');
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db.exec('PRAGMA busy_timeout = 5000');
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const mock = {
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db,
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closeDb: () => {},
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reinitialize: () => {},
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getPlaceWithTags: () => null,
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canAccessTrip: (tripId: any, userId: number) =>
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db.prepare(`SELECT t.id, t.user_id FROM trips t LEFT JOIN trip_members m ON m.trip_id = t.id AND m.user_id = ? WHERE t.id = ? AND (t.user_id = ? OR m.user_id IS NOT NULL)`).get(userId, tripId, userId),
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isOwner: (tripId: any, userId: number) =>
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!!db.prepare('SELECT id FROM trips WHERE id = ? AND user_id = ?').get(tripId, userId),
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};
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return { testDb: db, dbMock: mock };
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});
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vi.mock('../../../src/db/database', () => dbMock);
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vi.mock('../../../src/config', () => ({
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JWT_SECRET: 'test-jwt-secret-for-trek-testing-only',
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ENCRYPTION_KEY: 'a1b2c3d4e5f6a7b8c9d0e1f2a3b4c5d6a7b8c9d0e1f2a3b4c5d6a7b8c9d0e1f2',
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updateJwtSecret: () => {},
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}));
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const { broadcastMock } = vi.hoisted(() => ({ broadcastMock: vi.fn() }));
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vi.mock('../../../src/websocket', () => ({ broadcast: broadcastMock }));
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import { createTables } from '../../../src/db/schema';
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import { runMigrations } from '../../../src/db/migrations';
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import { resetTestDb } from '../../helpers/test-db';
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import { createUser, createTrip, createDay, createPlace, createDayAccommodation } from '../../helpers/factories';
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import { createMcpHarness, parseToolResult, type McpHarness } from '../../helpers/mcp-harness';
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beforeAll(() => {
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createTables(testDb);
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runMigrations(testDb);
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});
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beforeEach(() => {
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resetTestDb(testDb);
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broadcastMock.mockClear();
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delete process.env.DEMO_MODE;
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});
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afterAll(() => {
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testDb.close();
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});
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async function withHarness(userId: number, fn: (h: McpHarness) => Promise<void>) {
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const h = await createMcpHarness({ userId, withResources: false });
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try { await fn(h); } finally { await h.cleanup(); }
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}
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// ---------------------------------------------------------------------------
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// create_day
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// ---------------------------------------------------------------------------
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describe('Tool: create_day', () => {
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it('creates a day with a date', async () => {
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const { user } = createUser(testDb);
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const trip = createTrip(testDb, user.id);
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await withHarness(user.id, async (h) => {
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const result = await h.client.callTool({
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name: 'create_day',
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arguments: { tripId: trip.id, date: '2025-06-15', notes: 'Arrival day' },
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});
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const data = parseToolResult(result) as any;
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expect(data.day).toBeDefined();
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expect(data.day.date).toBe('2025-06-15');
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expect(broadcastMock).toHaveBeenCalledWith(trip.id, 'day:created', expect.any(Object));
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});
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});
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it('creates a dateless day', async () => {
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const { user } = createUser(testDb);
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const trip = createTrip(testDb, user.id);
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await withHarness(user.id, async (h) => {
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const result = await h.client.callTool({
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name: 'create_day',
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arguments: { tripId: trip.id },
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});
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const data = parseToolResult(result) as any;
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expect(data.day).toBeDefined();
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expect(data.day.date).toBeNull();
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});
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});
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it('returns access denied for non-member', async () => {
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const { user } = createUser(testDb);
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const { user: other } = createUser(testDb);
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const trip = createTrip(testDb, other.id);
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await withHarness(user.id, async (h) => {
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const result = await h.client.callTool({ name: 'create_day', arguments: { tripId: trip.id } });
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expect(result.isError).toBe(true);
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});
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});
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it('blocks demo user', async () => {
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process.env.DEMO_MODE = 'true';
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const { user } = createUser(testDb, { email: 'demo@nomad.app' });
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const trip = createTrip(testDb, user.id);
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await withHarness(user.id, async (h) => {
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const result = await h.client.callTool({ name: 'create_day', arguments: { tripId: trip.id } });
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expect(result.isError).toBe(true);
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});
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});
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});
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// ---------------------------------------------------------------------------
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// delete_day
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// ---------------------------------------------------------------------------
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describe('Tool: delete_day', () => {
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it('deletes a day and broadcasts', async () => {
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const { user } = createUser(testDb);
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const trip = createTrip(testDb, user.id);
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const day = createDay(testDb, trip.id);
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await withHarness(user.id, async (h) => {
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const result = await h.client.callTool({
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name: 'delete_day',
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arguments: { tripId: trip.id, dayId: day.id },
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});
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const data = parseToolResult(result) as any;
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expect(data.success).toBe(true);
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expect(broadcastMock).toHaveBeenCalledWith(trip.id, 'day:deleted', { id: day.id });
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expect(testDb.prepare('SELECT id FROM days WHERE id = ?').get(day.id)).toBeUndefined();
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});
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});
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it('returns access denied for non-member', async () => {
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const { user } = createUser(testDb);
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const { user: other } = createUser(testDb);
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const trip = createTrip(testDb, other.id);
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const day = createDay(testDb, trip.id);
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await withHarness(user.id, async (h) => {
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const result = await h.client.callTool({ name: 'delete_day', arguments: { tripId: trip.id, dayId: day.id } });
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expect(result.isError).toBe(true);
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});
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});
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});
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// ---------------------------------------------------------------------------
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// create_accommodation
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// ---------------------------------------------------------------------------
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describe('Tool: create_accommodation', () => {
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it('creates an accommodation and broadcasts', async () => {
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const { user } = createUser(testDb);
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const trip = createTrip(testDb, user.id);
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const place = createPlace(testDb, trip.id, { name: 'Hotel du Louvre' });
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const day1 = createDay(testDb, trip.id, { date: '2025-06-15' });
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const day2 = createDay(testDb, trip.id, { date: '2025-06-17' });
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await withHarness(user.id, async (h) => {
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const result = await h.client.callTool({
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name: 'create_accommodation',
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arguments: {
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tripId: trip.id,
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place_id: place.id,
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start_day_id: day1.id,
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end_day_id: day2.id,
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check_in: '15:00',
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check_out: '11:00',
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confirmation: 'CONF123',
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},
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});
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const data = parseToolResult(result) as any;
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expect(data.accommodation).toBeDefined();
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expect(broadcastMock).toHaveBeenCalledWith(trip.id, 'accommodation:created', expect.any(Object));
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});
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});
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it('returns access denied for non-member', async () => {
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const { user } = createUser(testDb);
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const { user: other } = createUser(testDb);
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const trip = createTrip(testDb, other.id);
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const place = createPlace(testDb, trip.id);
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const day = createDay(testDb, trip.id);
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await withHarness(user.id, async (h) => {
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const result = await h.client.callTool({
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name: 'create_accommodation',
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arguments: { tripId: trip.id, place_id: place.id, start_day_id: day.id, end_day_id: day.id },
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});
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expect(result.isError).toBe(true);
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});
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});
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it('blocks demo user', async () => {
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process.env.DEMO_MODE = 'true';
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const { user } = createUser(testDb, { email: 'demo@nomad.app' });
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const trip = createTrip(testDb, user.id);
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const place = createPlace(testDb, trip.id);
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const day = createDay(testDb, trip.id);
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await withHarness(user.id, async (h) => {
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const result = await h.client.callTool({
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name: 'create_accommodation',
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arguments: { tripId: trip.id, place_id: place.id, start_day_id: day.id, end_day_id: day.id },
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});
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expect(result.isError).toBe(true);
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});
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});
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});
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// ---------------------------------------------------------------------------
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// update_accommodation
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// ---------------------------------------------------------------------------
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describe('Tool: update_accommodation', () => {
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it('updates accommodation fields and broadcasts', async () => {
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const { user } = createUser(testDb);
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const trip = createTrip(testDb, user.id);
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const place = createPlace(testDb, trip.id);
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const day1 = createDay(testDb, trip.id);
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const day2 = createDay(testDb, trip.id);
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const acc = createDayAccommodation(testDb, trip.id, place.id, day1.id, day2.id);
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await withHarness(user.id, async (h) => {
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const result = await h.client.callTool({
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name: 'update_accommodation',
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arguments: { tripId: trip.id, accommodationId: acc.id, confirmation: 'NEW-CONF', check_in: '14:00' },
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});
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const data = parseToolResult(result) as any;
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expect(data.accommodation).toBeDefined();
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expect(broadcastMock).toHaveBeenCalledWith(trip.id, 'accommodation:updated', expect.any(Object));
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});
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});
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it('returns error for non-existent accommodation', async () => {
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const { user } = createUser(testDb);
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const trip = createTrip(testDb, user.id);
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await withHarness(user.id, async (h) => {
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const result = await h.client.callTool({
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name: 'update_accommodation',
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arguments: { tripId: trip.id, accommodationId: 99999, confirmation: 'X' },
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});
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expect(result.isError).toBe(true);
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});
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});
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it('returns access denied for non-member', async () => {
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const { user } = createUser(testDb);
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const { user: other } = createUser(testDb);
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const trip = createTrip(testDb, other.id);
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await withHarness(user.id, async (h) => {
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const result = await h.client.callTool({
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name: 'update_accommodation',
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arguments: { tripId: trip.id, accommodationId: 1, confirmation: 'X' },
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});
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expect(result.isError).toBe(true);
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});
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});
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});
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// ---------------------------------------------------------------------------
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// delete_accommodation
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// ---------------------------------------------------------------------------
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describe('Tool: delete_accommodation', () => {
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it('deletes accommodation and broadcasts', async () => {
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const { user } = createUser(testDb);
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const trip = createTrip(testDb, user.id);
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const place = createPlace(testDb, trip.id);
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const day1 = createDay(testDb, trip.id);
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const day2 = createDay(testDb, trip.id);
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const acc = createDayAccommodation(testDb, trip.id, place.id, day1.id, day2.id);
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await withHarness(user.id, async (h) => {
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const result = await h.client.callTool({
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name: 'delete_accommodation',
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arguments: { tripId: trip.id, accommodationId: acc.id },
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});
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const data = parseToolResult(result) as any;
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expect(data.success).toBe(true);
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expect(broadcastMock).toHaveBeenCalledWith(trip.id, 'accommodation:deleted', expect.objectContaining({ id: acc.id }));
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expect(testDb.prepare('SELECT id FROM day_accommodations WHERE id = ?').get(acc.id)).toBeUndefined();
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});
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});
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it('returns access denied for non-member', async () => {
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const { user } = createUser(testDb);
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const { user: other } = createUser(testDb);
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const trip = createTrip(testDb, other.id);
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await withHarness(user.id, async (h) => {
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const result = await h.client.callTool({ name: 'delete_accommodation', arguments: { tripId: trip.id, accommodationId: 1 } });
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expect(result.isError).toBe(true);
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});
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});
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});
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