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//
// Verify that the VALIDATE_NEVER and LOAD_FROM_CACHE flags override
// heuristic query freshness as defined in RFC 2616 section 13.9
//
"use strict";
const { HttpServer } = ChromeUtils.import("resource://testing-common/httpd.js");
var httpserver = new HttpServer();
var index = 0;
var tests = [
{ url: "/freshness?a", server: "0", expected: "0" },
{ url: "/freshness?a", server: "1", expected: "1" },
// Setting the VALIDATE_NEVER flag should grab entry from cache
{
url: "/freshness?a",
server: "2",
expected: "1",
flags: Ci.nsIRequest.VALIDATE_NEVER,
},
// Finally, check that request is validated with no flags set
{ url: "/freshness?a", server: "99", expected: "99" },
{ url: "/freshness?b", server: "0", expected: "0" },
{ url: "/freshness?b", server: "1", expected: "1" },
// Setting the LOAD_FROM_CACHE flag also grab the entry from cache
{
url: "/freshness?b",
server: "2",
expected: "1",
flags: Ci.nsIRequest.LOAD_FROM_CACHE,
},
// Finally, check that request is validated with no flags set
{ url: "/freshness?b", server: "99", expected: "99" },
];
function logit(i, data) {
dump(
tests[i].url +
"\t requested [" +
tests[i].server +
"]" +
" got [" +
data +
"] expected [" +
tests[i].expected +
"]"
);
if (tests[i].responseheader) {
dump("\t[" + tests[i].responseheader + "]");
}
dump("\n");
}
function setupChannel(suffix, value) {
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);
return httpChan;
}
function triggerNextTest() {
var test = tests[index];
var channel = setupChannel(test.url, test.server);
if (test.flags) {
channel.loadFlags = test.flags;
}
channel.asyncOpen(new ChannelListener(checkValueAndTrigger, null));
}
function checkValueAndTrigger(request, data, ctx) {
logit(index, data);
Assert.equal(tests[index].expected, data);
if (index < tests.length - 1) {
index++;
// this call happens in onStopRequest from the channel, and 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("/freshness", handler);
httpserver.start(-1);
// clear cache
evict_cache_entries();
triggerNextTest();
do_test_pending();
}
function handler(metadata, response) {
var body = metadata.getHeader("x-request");
response.setHeader("Content-Type", "text/plain", false);
response.setHeader("Date", getDateString(0), false);
response.setHeader("Cache-Control", "max-age=0", false);
var header = tests[index].responseheader;
if (header == null) {
response.setHeader("Last-Modified", getDateString(-1), false);
} else {
var splitHdr = header.split(": ");
response.setHeader(splitHdr[0], splitHdr[1], false);
}
response.setStatusLine(metadata.httpVersion, 200, "OK");
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"
);
}
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