import { Hono } from 'hono'
import * as Timing from './Timing.js'

describe('middleware', () => {
  test('emits request and operation server timings', async () => {
    const app = new Hono<{ Variables: Timing.Variables }>()

    app.use('*', Timing.middleware())
    app.get('/', async (c) => {
      await Timing.time(c, 'example.work', () => Promise.resolve())
      return c.text('ok')
    })

    const response = await app.request('/')
    const timing = response.headers.get('server-timing')

    expect(response.status).toMatchInlineSnapshot(`200`)
    expect(response.headers.get('content-type')).toMatchInlineSnapshot(`"text/plain;charset=UTF-8"`)
    expect(timing?.includes('example.work;dur=')).toMatchInlineSnapshot(`true`)
    expect(timing?.includes('request;dur=')).toMatchInlineSnapshot(`true`)
  })
})