gecko-dev/netwerk/test/unit/test_bug669001.js

161 строка
3.7 KiB
JavaScript

Cu.import("resource://testing-common/httpd.js");
Cu.import("resource://gre/modules/NetUtil.jsm");
var httpServer = null;
var path = "/bug699001";
XPCOMUtils.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: function() { },
test: function(response) {
do_check_true(fetched);
}
},
{
prepare: function() { },
test: function(response) {
do_check_false(fetched);
}
},
{
prepare: function() {
setUA("A different User Agent");
},
test: function(response) {
do_check_true(fetched);
}
},
{
prepare: function() { },
test: function(response) {
do_check_false(fetched);
}
},
{
prepare: function() {
setUA("And another User Agent");
},
test: function(response) {
do_check_true(fetched);
}
},
{
prepare: function() { },
test: function(response) {
do_check_false(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...
do_execute_soon(function() {
chan.asyncOpen2(new ChannelListener(checkAndShiftTest, null));
});
}
function checkAndShiftTest(request, response)
{
tests[0].test(response);
tests.shift();
if (tests.length == 0) {
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)
{
var prefs = Cc["@mozilla.org/preferences-service;1"].
getService(Ci.nsIPrefBranch);
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";
}