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path: root/netwerk/test/unit/test_bug468426.js
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"use strict";

const { HttpServer } = ChromeUtils.importESModule(
  "resource://testing-common/httpd.sys.mjs"
);

var httpserver = new HttpServer();
var index = 0;
var tests = [
  // Initial request. Cached variant will have no cookie
  { url: "/bug468426", server: "0", expected: "0", cookie: null },

  // Cache now contains a variant with no value for cookie. If we don't
  // set cookie we expect to receive the cached variant
  { url: "/bug468426", server: "1", expected: "0", cookie: null },

  // Cache still contains a variant with no value for cookie. If we
  // set a value for cookie we expect a fresh value
  { url: "/bug468426", server: "2", expected: "2", cookie: "c=2" },

  // Cache now contains a variant with cookie "c=2". If the request
  // also set cookie "c=2", we expect to receive the cached variant.
  { url: "/bug468426", server: "3", expected: "2", cookie: "c=2" },

  // Cache still contains a variant with cookie "c=2". When setting
  // cookie "c=4" in the request we expect a fresh value
  { url: "/bug468426", server: "4", expected: "4", cookie: "c=4" },

  // Cache now contains a variant with cookie "c=4". When setting
  // cookie "c=4" in the request we expect the cached variant
  { url: "/bug468426", server: "5", expected: "4", cookie: "c=4" },

  // Cache still contains a variant with cookie "c=4". When setting
  // no cookie in the request we expect a fresh value
  { url: "/bug468426", server: "6", expected: "6", cookie: null },
];

function setupChannel(suffix, value, cookie) {
  var chan = NetUtil.newChannel({
    uri: "http://localhost:" + httpserver.identity.primaryPort + suffix,
    loadUsingSystemPrincipal: true,
  });
  var httpChan = chan.QueryInterface(Ci.nsIHttpChannel);
  httpChan.requestMethod = "GET";
  httpChan.setRequestHeader("x-request", value, false);
  if (cookie != null) {
    httpChan.setRequestHeader("Cookie", cookie, false);
  }
  return httpChan;
}

function triggerNextTest() {
  var channel = setupChannel(
    tests[index].url,
    tests[index].server,
    tests[index].cookie
  );
  channel.asyncOpen(new ChannelListener(checkValueAndTrigger, null));
}

function checkValueAndTrigger(request, data, ctx) {
  Assert.equal(tests[index].expected, data);

  if (index < tests.length - 1) {
    index++;
    // This call happens in onStopRequest from the channel. Opening a new
    // channel to the same url here is no good idea!  Post it instead...
    do_timeout(1, triggerNextTest);
  } else {
    httpserver.stop(do_test_finished);
  }
}

function run_test() {
  httpserver.registerPathHandler("/bug468426", handler);
  httpserver.start(-1);

  // Clear cache and trigger the first test
  evict_cache_entries();
  triggerNextTest();

  do_test_pending();
}

function handler(metadata, response) {
  var body = "unset";
  try {
    body = metadata.getHeader("x-request");
  } catch (e) {}
  response.setStatusLine(metadata.httpVersion, 200, "Ok");
  response.setHeader("Content-Type", "text/plain", false);
  response.setHeader("Last-Modified", getDateString(-1), false);
  response.setHeader("Vary", "Cookie", false);
  response.bodyOutputStream.write(body, body.length);
}

function getDateString(yearDelta) {
  var months = [
    "Jan",
    "Feb",
    "Mar",
    "Apr",
    "May",
    "Jun",
    "Jul",
    "Aug",
    "Sep",
    "Oct",
    "Nov",
    "Dec",
  ];
  var days = ["Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"];

  var d = new Date();
  return (
    days[d.getUTCDay()] +
    ", " +
    d.getUTCDate() +
    " " +
    months[d.getUTCMonth()] +
    " " +
    (d.getUTCFullYear() + yearDelta) +
    " " +
    d.getUTCHours() +
    ":" +
    d.getUTCMinutes() +
    ":" +
    d.getUTCSeconds() +
    " UTC"
  );
}