msw/test/node/rest-api/https.node.test.ts

/**
 * @vitest-environment node
 */
import https from 'https'
import { HttpResponse, http } from 'msw'
import { setupServer } from 'msw/node'

const server = setupServer()

beforeAll(() => {
  server.listen()
})

afterEach(() => {
  server.resetHandlers()
})

afterAll(() => {
  server.close()
})

test('intercepts and mocks a request made via "https"', async () => {
  server.use(
    http.get('https://api.example.com/resource', () => {
      return HttpResponse.text('Hello, world!')
    }),
  )
  const request = https.get('https://api.example.com/resource')

  await new Promise<void>((resolve, reject) => {
    request.on('response', (response) => {
      const chunks: Array<Buffer> = []
      response.on('data', (chunk) => chunks.push(Buffer.from(chunk)))

      response.on('error', (error) => reject(error))
      response.once('end', () => {
        expect(chunks).toHaveLength(1)

        const responseText = Buffer.concat(chunks).toString('utf8')
        expect(responseText).toBe('Hello, world!')

        resolve()
      })
    })
    request.on('error', (error) => reject(error))
  })
})