/** * @jest-environment @edge-runtime/jest-environment */ import { NextResponse } from 'next/dist/server/web/spec-extension/response' it('reflect .set into `set-cookie`', async () => { const response = new NextResponse() expect(response.cookies.get('foo')?.value).toBe(undefined) expect(response.cookies.get('foo')).toEqual(undefined) response.cookies .set('foo', 'bar', { path: '/test' }) .set('fooz', 'barz', { path: '/test2' }) expect(response.cookies.get('foo')?.value).toBe('bar') expect(response.cookies.get('fooz')?.value).toBe('barz') expect(response.cookies.get('foo')).toEqual({ name: 'foo', path: '/test', value: 'bar', }) expect(response.cookies.get('fooz')).toEqual({ name: 'fooz', path: '/test2', value: 'barz', }) expect(response.headers.get('set-cookie')).toBe( 'foo=bar; Path=/test, fooz=barz; Path=/test2' ) expect( Array.from(response.headers.entries()).filter((entry) => { return entry[0] === 'set-cookie' }) ).toEqual([ ['set-cookie', 'foo=bar; Path=/test'], ['set-cookie', 'fooz=barz; Path=/test2'], ]) }) it('reflect .delete into `set-cookie`', async () => { const { NextResponse } = await import( 'next/dist/server/web/spec-extension/response' ) const response = new NextResponse() response.cookies.set('foo', 'bar') expect(Object.fromEntries(response.headers.entries())['set-cookie']).toBe( 'foo=bar; Path=/' ) expect(response.cookies.get('foo')?.value).toBe('bar') expect(response.cookies.get('foo')).toEqual({ name: 'foo', path: '/', value: 'bar', }) response.cookies.set('fooz', 'barz') expect(response.headers.get('set-cookie')).toBe( 'foo=bar; Path=/, fooz=barz; Path=/' ) expect( Array.from(response.headers.entries()).filter((entry) => { return entry[0] === 'set-cookie' }) ).toEqual([ ['set-cookie', 'foo=bar; Path=/'], ['set-cookie', 'fooz=barz; Path=/'], ]) expect(response.cookies.get('fooz')?.value).toBe('barz') expect(response.cookies.get('fooz')).toEqual({ name: 'fooz', path: '/', value: 'barz', }) response.cookies.delete('foo') expect(response.headers.get('set-cookie')).toBe( 'foo=; Path=/; Expires=Thu, 01 Jan 1970 00:00:00 GMT, fooz=barz; Path=/' ) expect(response.cookies.get('foo')?.value).toBe('') expect(response.cookies.get('foo')).toEqual({ expires: new Date(0), name: 'foo', value: '', path: '/', }) response.cookies.delete('fooz') expect(response.headers.get('set-cookie')).toBe( 'foo=; Path=/; Expires=Thu, 01 Jan 1970 00:00:00 GMT, fooz=; Path=/; Expires=Thu, 01 Jan 1970 00:00:00 GMT' ) expect(response.cookies.get('fooz')?.value).toBe('') expect(response.cookies.get('fooz')).toEqual({ expires: new Date(0), name: 'fooz', value: '', path: '/', }) }) it('response.cookie does not modify options', async () => { const { NextResponse } = await import( 'next/dist/server/web/spec-extension/response' ) const options = { maxAge: 10000 } const response = new NextResponse(null, { headers: { 'content-type': 'application/json' }, }) response.cookies.set('cookieName', 'cookieValue', options) expect(options).toEqual({ maxAge: 10000 }) })