fix test issues

apps/carplace/src/lib/api.test.ts

@@ -1,11 +1,13 @@
 import { afterEach, describe, expect, it, vi } from 'vitest'
-import { CarplaceApiError, carplaceFetch, carplaceFetchOrDefault, carplacePost } from './api'
 
 afterEach(() => {
   delete process.env.NEXT_PUBLIC_API_URL
+  delete process.env.NEXT_PUBLIC_CARPLACE_DIRECT_API
   delete process.env.API_INTERNAL_URL
   vi.restoreAllMocks()
+  Reflect.deleteProperty(globalThis, 'window')
   Reflect.deleteProperty(globalThis, 'fetch')
+  vi.resetModules()
 })
 
 describe('carplace API helpers', () => {
@@ -13,6 +15,7 @@ describe('carplace API helpers', () => {
     const fetchMock = vi.fn(async () => ({ ok: true, json: async () => ({ data: [{ id: 'vehicle_1' }] }) }))
     Object.defineProperty(globalThis, 'fetch', { configurable: true, value: fetchMock })
 
+    const { carplaceFetch } = await import('./api')
     await expect(carplaceFetch('/carplace/vehicles')).resolves.toEqual([{ id: 'vehicle_1' }])
     expect(fetchMock).toHaveBeenCalledWith(expect.stringMatching(/\/api\/v1\/carplace\/vehicles$/), {
       cache: 'no-store',
@@ -30,6 +33,7 @@ describe('carplace API helpers', () => {
       })),
     })
 
+    const { carplaceFetch } = await import('./api')
     await expect(carplaceFetch('/carplace/book')).rejects.toMatchObject({
       name: 'CarplaceApiError',
       message: 'Vehicle unavailable',
@@ -45,14 +49,18 @@ describe('carplace API helpers', () => {
       value: vi.fn(async () => ({ ok: false, status: 500, json: async () => ({ message: 'Down' }) })),
     })
 
+    const { carplaceFetchOrDefault } = await import('./api')
     await expect(carplaceFetchOrDefault('/carplace/homepage', { hero: null })).resolves.toEqual({ hero: null })
   })
 
   it('posts JSON payloads and unwraps successful responses', async () => {
     process.env.NEXT_PUBLIC_API_URL = 'https://api.example.com/api/v1'
+    process.env.NEXT_PUBLIC_CARPLACE_DIRECT_API = 'true'
+    Object.defineProperty(globalThis, 'window', { configurable: true, value: {} })
     const fetchMock = vi.fn(async () => ({ ok: true, json: async () => ({ data: { id: 'reservation_1' } }) }))
     Object.defineProperty(globalThis, 'fetch', { configurable: true, value: fetchMock })
 
+    const { carplacePost } = await import('./api')
     await expect(carplacePost('/site/reservations', { vehicleId: 'vehicle_1' })).resolves.toEqual({ id: 'reservation_1' })
     expect(fetchMock).toHaveBeenCalledWith('https://api.example.com/api/v1/site/reservations', expect.objectContaining({
       method: 'POST',
@@ -68,6 +76,7 @@ describe('carplace API helpers', () => {
       value: vi.fn(async () => ({ ok: false, status: 502, json: async () => { throw new Error('bad json') } })),
     })
 
+    const { carplaceFetch } = await import('./api')
     await expect(carplaceFetch('/site/homepage')).rejects.toMatchObject({
       name: 'CarplaceApiError',
       message: 'Request failed',