browser_net_requests_with_empty_response.js

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/* Any copyright is dedicated to the Public Domain.

   http://creativecommons.org/publicdomain/zero/1.0/ */

"use strict";

/**

 * Tests that the request for a 404 where no content is sent.

*/

function setupServer() {

  const httpServer = createTestHTTPServer();

  httpServer.registerContentType("html", "text/html");

  httpServer.registerPathHandler("/status", function (request, response) {

    response.setStatusLine(request.httpVersion, 404, "Not Found");

});

  return httpServer;

add_task(async function () {

  Services.prefs.setBoolPref(

    "browser.http.blank_page_with_error_response.enabled",

    false

);

  const httpServer = setupServer();

  const port = httpServer.identity.primaryPort;

  const URL = `http://localhost:${port}/status`;

  const { monitor } = await initNetMonitor(URL, {

    requestCount: 1,

    waitForLoad: false,

});

  info("Starting test... ");

  const { document, store, windowRequire } = monitor.panelWin;

  const Actions = windowRequire("devtools/client/netmonitor/src/actions/index");

  store.dispatch(Actions.batchEnable(false));

  const wait = waitForNetworkEvents(monitor, 1);

  reloadBrowser({ waitForLoad: false });

  await wait;

  const firstItem = document.querySelectorAll(".request-list-item")[0];

is(

    firstItem.querySelector(".requests-list-url").innerText,

    URL,

    "The url in the displayed request is correct"

);

is(

    firstItem.querySelector(".requests-list-status").innerText,

    "404",

    "The request status code is correct"

);

  await teardown(monitor);

});