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/* Any copyright is dedicated to the Public Domain.
* http://creativecommons.org/publicdomain/zero/1.0/
*/
"use strict";
const { HttpServer } = ChromeUtils.importESModule(
"resource://testing-common/httpd.sys.mjs"
);
var httpserver = new HttpServer();
httpserver.start(-1);
const PORT = httpserver.identity.primaryPort;
function make_channel(url) {
return NetUtil.newChannel({
uri: url,
loadUsingSystemPrincipal: true,
}).QueryInterface(Ci.nsIHttpChannel);
}
let gFirstResponseBody = "first version";
let gSecondResponseBody = "second version";
let gRequestCounter = 0;
function test_handler(metadata, response) {
response.setHeader("Content-Type", "text/plain");
response.setHeader("Cache-Control", "max-age=3600");
response.setHeader("ETag", "test-etag1");
switch (gRequestCounter) {
case 0:
response.bodyOutputStream.write(
gFirstResponseBody,
gFirstResponseBody.length
);
break;
case 1:
response.bodyOutputStream.write(
gSecondResponseBody,
gSecondResponseBody.length
);
break;
default:
do_throw("Unexpected request");
}
response.setStatusLine(metadata.httpVersion, 200, "OK");
}
function checkContent(request, buffer, context, isFromCache) {
let isRacing = request.QueryInterface(Ci.nsICacheInfoChannel).isRacing();
switch (gRequestCounter) {
case 0:
Assert.equal(buffer, gFirstResponseBody);
Assert.ok(!isFromCache);
Assert.ok(!isRacing);
break;
case 1:
Assert.equal(buffer, gSecondResponseBody);
Assert.ok(!isFromCache);
Assert.ok(isRacing);
break;
case 2:
Assert.equal(buffer, gSecondResponseBody);
Assert.ok(isFromCache);
Assert.ok(!isRacing);
break;
default:
do_throw("Unexpected request");
}
gRequestCounter++;
executeSoon(() => {
testGenerator.next();
});
}
function run_test() {
do_get_profile();
// In this test, we race the requests manually using |TriggerNetwork|,
// therefore we should disable racing in the HttpChannel first.
Services.prefs.setBoolPref("network.http.rcwn.enabled", false);
httpserver.registerPathHandler("/rcwn", test_handler);
testGenerator.next();
do_test_pending();
}
let testGenerator = testSteps();
function* testSteps() {
// Store first version of the content in the cache.
let channel = make_channel("http://localhost:" + PORT + "/rcwn");
channel.asyncOpen(new ChannelListener(checkContent, null));
yield undefined;
equal(gRequestCounter, 1);
// Simulate the network victory by setting high delay for the cache fetch and
// triggering the network.
channel = make_channel("http://localhost:" + PORT + "/rcwn");
channel
.QueryInterface(Ci.nsIRaceCacheWithNetwork)
.test_delayCacheEntryOpeningBy(100000);
// Trigger network after 50 ms.
channel.QueryInterface(Ci.nsIRaceCacheWithNetwork).test_triggerNetwork(50);
channel.asyncOpen(new ChannelListener(checkContent, null));
yield undefined;
equal(gRequestCounter, 2);
// Simulate navigation back by specifying VALIDATE_NEVER flag.
channel = make_channel("http://localhost:" + PORT + "/rcwn");
channel.loadFlags = Ci.nsIRequest.VALIDATE_NEVER;
channel.asyncOpen(new ChannelListener(checkContent, null));
yield undefined;
equal(gRequestCounter, 3);
httpserver.stop(do_test_finished);
}
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