restoreHandlers()

1import { rest } from 'msw'
2import { setupServer } from 'msw/node'
3
4const server = setupServer(
5  rest.get('/book/:bookId', (req, res, ctx) => {
6    return res(ctx.json({ title: 'Lord of the Rings' }))
7  }),
8)
9
10beforeAll(() => {
11  server.listen()
12})
13
14afterAll(() => {
15  server.close()
16})
17
18test('handles server error gracefully', () => {
19  server.use(
20    rest.get('/book/:bookId', (req, res, ctx) => {
21      return res.once(
22        ctx.status(500),
23        ctx.json({ message: 'Internal server error' }),
24      )
25    }),
26  )
27
28  // Assert your application's behavior given server error.
29})
30
31test('renders book detail', () => {
32  // At this point the server error request handler has been used,
33  // and will not affect network anymore.
34})
35
36test('handles server error when I posted a book review', () => {
37  // Restore one-time request handlers.
38  // A "GET /book/:bookId" request will return a mocked server error
39  // only for the next book detail request.
40  server.restoreHandlers()
41})