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"use strict";
const { HttpServer } = ChromeUtils.importESModule(
"resource://testing-common/httpd.sys.mjs"
);
var httpServer = null;
var path = "/bug699001";
ChromeUtils.defineLazyGetter(this, "URI", function () {
return "http://localhost:" + httpServer.identity.primaryPort + path;
});
function make_channel(url) {
return NetUtil.newChannel({ uri: url, loadUsingSystemPrincipal: true });
}
var fetched;
// The test loads a resource that expires in one year, has an etag and varies only by User-Agent
// First we load it, then check we load it only from the cache w/o even checking with the server
// Then we modify our User-Agent and try it again
// We have to get a new content (even though with the same etag) and again on next load only from
// cache w/o accessing the server
// Goal is to check we've updated User-Agent request header in cache after we've got 304 response
// from the server
var tests = [
{
prepare() {},
test() {
Assert.ok(fetched);
},
},
{
prepare() {},
test() {
Assert.ok(!fetched);
},
},
{
prepare() {
setUA("A different User Agent");
},
test() {
Assert.ok(fetched);
},
},
{
prepare() {},
test() {
Assert.ok(!fetched);
},
},
{
prepare() {
setUA("And another User Agent");
},
test() {
Assert.ok(fetched);
},
},
{
prepare() {},
test() {
Assert.ok(!fetched);
},
},
];
function handler(metadata, response) {
if (metadata.hasHeader("If-None-Match")) {
response.setStatusLine(metadata.httpVersion, 304, "Not modified");
} else {
response.setStatusLine(metadata.httpVersion, 200, "OK");
response.setHeader("Content-Type", "text/plain");
var body = "body";
response.bodyOutputStream.write(body, body.length);
}
fetched = true;
response.setHeader("Expires", getDateString(+1));
response.setHeader("Cache-Control", "private");
response.setHeader("Vary", "User-Agent");
response.setHeader("ETag", "1234");
}
function run_test() {
httpServer = new HttpServer();
httpServer.registerPathHandler(path, handler);
httpServer.start(-1);
do_test_pending();
nextTest();
}
function nextTest() {
fetched = false;
tests[0].prepare();
dump("Testing with User-Agent: " + getUA() + "\n");
var chan = make_channel(URI);
// Give the old channel a chance to close the cache entry first.
// XXX This is actually a race condition that might be considered a bug...
executeSoon(function () {
chan.asyncOpen(new ChannelListener(checkAndShiftTest, null));
});
}
function checkAndShiftTest(request, response) {
tests[0].test(response);
tests.shift();
if (!tests.length) {
httpServer.stop(tearDown);
return;
}
nextTest();
}
function tearDown() {
setUA("");
do_test_finished();
}
// Helpers
function getUA() {
var httphandler = Cc["@mozilla.org/network/protocol;1?name=http"].getService(
Ci.nsIHttpProtocolHandler
);
return httphandler.userAgent;
}
function setUA(value) {
Services.prefs.setCharPref("general.useragent.override", value);
}
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"
);
}
|
