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import type { ExecutionContext } from 'ava'import * as undici from 'undici'import { Readable } from 'node:stream'
import type { AuthorizationServer, Client } from '../src/index.js'
export interface Context {  mock: undici.MockAgent  intercept: InstanceType<typeof undici.MockPool>['intercept']}
export default (t: ExecutionContext<Context>) => {  const mockAgent = new undici.MockAgent()  mockAgent.disableNetConnect()  undici.setGlobalDispatcher(mockAgent)  const pool = mockAgent.get(identifier)
  t.context.mock ||= mockAgent  t.context.intercept ||= undici.MockPool.prototype.intercept.bind(pool)}
export async function teardown(t: ExecutionContext<Context>) {  t.context.mock.assertNoPendingInterceptors()  await t.context.mock.close()}
const identifier = 'https://op.example.com'
export function endpoint(pathname: string, base = identifier) {  return new URL(pathname, base).href}
export const issuer = <AuthorizationServer>{  issuer: identifier,}
export const client = <Client>{  client_id: 'urn:example:client_id',}
export function getResponse(  body: string,  { status = 200, headers = new Headers() } = {},): Response {  let bodyInit: BodyInit  if (process.version.startsWith('v16')) {    bodyInit = Buffer.from(body)  } else {    bodyInit = Readable.toWeb(Readable.from(Buffer.from(body)))  }  return new Response(bodyInit, { status, headers })}
export const UA = /^oauth4webapi\/v\d+\.\d+\.\d+$/