import { describe, it, expect } from 'vitest'
import { jsonResponse, addCORSToResponse } from './http'
describe('jsonResponse', () => {
it('returns JSON body with correct Content-Type', async () => {
const res = jsonResponse({ ok: true }, 200)
expect(res.status).toBe(200)
expect(res.headers.get('Content-Type')).toBe('application/json')
expect(await res.json()).toEqual({ ok: true })
})
it('sets CORS header', () => {
const res = jsonResponse({ ok: true }, 200)
expect(res.headers.get('Access-Control-Allow-Origin')).toBe('*')
})
it('merges extraHeaders', () => {
const res = jsonResponse({ ok: true }, 201, { 'X-Custom': 'value' })
expect(res.status).toBe(201)
expect(res.headers.get('X-Custom')).toBe('value')
expect(res.headers.get('Content-Type')).toBe('application/json')
})
it('extraHeaders can override defaults', () => {
const res = jsonResponse({ ok: true }, 200, { 'Content-Type': 'text/plain' })
expect(res.headers.get('Content-Type')).toBe('text/plain')
})
})
describe('addCORSToResponse', () => {
it('adds CORS headers to response', () => {
const original = new Response('body', {
status: 200,
headers: { 'X-Existing': 'keep' },
})
const result = addCORSToResponse(original)
expect(result.headers.get('Access-Control-Allow-Origin')).toBe('*')
expect(result.headers.get('Access-Control-Allow-Methods')).toContain('GET')
expect(result.headers.get('Access-Control-Allow-Headers')).toContain('Authorization')
expect(result.headers.get('X-Existing')).toBe('keep')
})
it('preserves status and statusText', () => {
const original = new Response(null, { status: 404, statusText: 'Not Found' })
const result = addCORSToResponse(original)
expect(result.status).toBe(404)
expect(result.statusText).toBe('Not Found')
})
})
