/
index.test.ts
144 lines (129 loc) · 3.41 KB
/
index.test.ts
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import { createNext } from 'e2e-utils'
import { NextInstance } from 'test/lib/next-modes/base'
import { fetchViaHTTP } from 'next-test-utils'
describe('reading request body in middleware', () => {
let next: NextInstance
beforeAll(async () => {
next = await createNext({
files: {
'pages/_middleware.js': `
const { NextResponse } = require('next/server');
export default async function middleware(request) {
if (!request.body) {
return new Response('No body', { status: 400 });
}
const json = await request.json();
if (request.nextUrl.searchParams.has("next")) {
const res = NextResponse.next();
res.headers.set('x-from-root-middleware', '1');
return res;
}
return new Response(JSON.stringify({
root: true,
...json,
}), {
status: 200,
headers: {
'content-type': 'application/json',
},
})
}
`,
'pages/nested/_middleware.js': `
const { NextResponse } = require('next/server');
export default async function middleware(request) {
if (!request.body) {
return new Response('No body', { status: 400 });
}
const json = await request.json();
return new Response(JSON.stringify({
root: false,
...json,
}), {
status: 200,
headers: {
'content-type': 'application/json',
},
})
}
`,
'pages/api/hi.js': `
export default function hi(req, res) {
res.json({
...req.body,
api: true,
})
}
`,
},
dependencies: {},
})
})
afterAll(() => next.destroy())
it('rejects with 400 for get requests', async () => {
const response = await fetchViaHTTP(next.url, '/')
expect(response.status).toEqual(400)
})
it('returns root: true for root calls', async () => {
const response = await fetchViaHTTP(
next.url,
'/',
{},
{
method: 'POST',
body: JSON.stringify({
foo: 'bar',
}),
}
)
expect(response.status).toEqual(200)
expect(await response.json()).toEqual({
foo: 'bar',
root: true,
})
})
it('reads the same body on both middlewares', async () => {
const response = await fetchViaHTTP(
next.url,
'/nested/hello',
{
next: '1',
},
{
method: 'POST',
body: JSON.stringify({
foo: 'bar',
}),
}
)
expect(response.status).toEqual(200)
expect(await response.json()).toEqual({
foo: 'bar',
root: false,
})
})
it('passes the body to the api endpoint', async () => {
const response = await fetchViaHTTP(
next.url,
'/api/hi',
{
next: '1',
},
{
method: 'POST',
headers: {
'content-type': 'application/json',
},
body: JSON.stringify({
foo: 'bar',
}),
}
)
expect(response.status).toEqual(200)
expect(await response.json()).toEqual({
foo: 'bar',
api: true,
})
expect(response.headers.get('x-from-root-middleware')).toEqual('1')
})
})