Node Ajax tester

faux-jax.d.ts

// Type definitions for faux-jax
// Project: https://github.com/algolia/faux-jax

declare module 'faux-jax' {
    export function install(): void;
    export function on(type: string, cb: (xhr: any) => void): void;
    export function waitFor(nbRequests: number, cb: () => void): void;
    export function restore(): void;
}

test_utils.ts

// Copyright (c) Jupyter Development Team.
// Distributed under the terms of the Modified BSD License.

import * as fauxJax from 'faux-jax';
import {XMLHttpRequest} from "xmlhttprequest";


export
class RequestHandler {

  /**
   * Create a new RequestHandler.
   */
  constructor() {
    fauxJax.on('request', (xhr: any) => {
      this._requests.push(xhr);
    });
  }

  /**
   * Respond to the latest Ajax request.
   */
  respond(statusCode: number, data: any, header?: any): void {
    if (typeof data !== 'string') {
      data = JSON.stringify(data);
    }
    if (header === void 0) {
      header = {'Content-Type': 'text/json'};
    }
    this._requests[this._requests.length - 1].respond(statusCode, header, data);
  }

  private _requests: any[] = [];
  private _xhr: any = null;
}


describe('jupyter.services - test_utils', () => {

  it('should handle a request', (done) => {
    var handler = new RequestHandler();
    console.log('handler:', handler);
    var xmlhttp = new XMLHttpRequest();
    var url = "http://hello.com";
    xmlhttp.onreadystatechange = function() {
      if (xmlhttp.readyState == 4 && xmlhttp.status == 200) {
          done();
      }
    }
    xmlhttp.open("GET", url, true);
    xmlhttp.send();
    handler.respond(200, '');
  });
});

xmlhttprequest.d.ts

// Type definitions for faux-jax
// Project: https://github.com/algolia/faux-jax

declare module 'xmlhttprequest' {
    export class XMLHttpRequest {
        onreadystatechange(cb: any): void;
        readyState: number;
        status: number;
        open(method: string, url: string, cache: boolean): void;
        send(): void;
    }
}