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// This file tests async handling of a channel suspended in http-on-modify-request.
"use strict";
const { HttpServer } = ChromeUtils.import("resource://testing-common/httpd.js");
var obs = Services.obs;
var ios = Services.io;
// baseUrl is always the initial connection attempt and is handled by
// failResponseHandler since every test expects that request will either be
// redirected or cancelled.
var baseUrl;
function failResponseHandler(metadata, response) {
var text = "failure response";
response.setHeader("Content-Type", "text/plain", false);
response.bodyOutputStream.write(text, text.length);
Assert.ok(false, "Received request when we shouldn't.");
}
function successResponseHandler(metadata, response) {
var text = "success response";
response.setHeader("Content-Type", "text/plain", false);
response.bodyOutputStream.write(text, text.length);
Assert.ok(true, "Received expected request.");
}
function onModifyListener(callback) {
obs.addObserver(
{
observe(subject, topic, data) {
var obs = Cc["@mozilla.org/observer-service;1"].getService();
obs = obs.QueryInterface(Ci.nsIObserverService);
obs.removeObserver(this, "http-on-modify-request");
callback(subject.QueryInterface(Ci.nsIHttpChannel));
},
},
"http-on-modify-request"
);
}
function startChannelRequest(baseUrl, flags, expectedResponse = null) {
var chan = NetUtil.newChannel({
uri: baseUrl,
loadUsingSystemPrincipal: true,
});
chan.asyncOpen(
new ChannelListener(
(request, data, context) => {
if (expectedResponse) {
Assert.equal(data, expectedResponse);
} else {
Assert.ok(!data, "no response");
}
executeSoon(run_next_test);
},
null,
flags
)
);
}
add_test(function testSimpleRedirect() {
onModifyListener(chan => {
chan.redirectTo(ios.newURI(`${baseUrl}/success`));
});
startChannelRequest(baseUrl, undefined, "success response");
});
add_test(function testSimpleCancel() {
onModifyListener(chan => {
chan.cancel(Cr.NS_BINDING_ABORTED);
});
startChannelRequest(baseUrl, CL_EXPECT_FAILURE);
});
add_test(function testSimpleCancelRedirect() {
onModifyListener(chan => {
chan.redirectTo(ios.newURI(`${baseUrl}/fail`));
chan.cancel(Cr.NS_BINDING_ABORTED);
});
startChannelRequest(baseUrl, CL_EXPECT_FAILURE);
});
// Test a request that will get redirected asynchronously. baseUrl should
// not be requested, we should receive the request for the redirectedUrl.
add_test(function testAsyncRedirect() {
onModifyListener(chan => {
// Suspend the channel then yield to make this async.
chan.suspend();
Promise.resolve().then(() => {
chan.redirectTo(ios.newURI(`${baseUrl}/success`));
chan.resume();
});
});
startChannelRequest(baseUrl, undefined, "success response");
});
add_test(function testSyncRedirect() {
onModifyListener(chan => {
chan.suspend();
chan.redirectTo(ios.newURI(`${baseUrl}/success`));
Promise.resolve().then(() => {
chan.resume();
});
});
startChannelRequest(baseUrl, undefined, "success response");
});
add_test(function testAsyncCancel() {
onModifyListener(chan => {
// Suspend the channel then yield to make this async.
chan.suspend();
Promise.resolve().then(() => {
chan.cancel(Cr.NS_BINDING_ABORTED);
chan.resume();
});
});
startChannelRequest(baseUrl, CL_EXPECT_FAILURE);
});
add_test(function testSyncCancel() {
onModifyListener(chan => {
chan.suspend();
chan.cancel(Cr.NS_BINDING_ABORTED);
Promise.resolve().then(() => {
chan.resume();
});
});
startChannelRequest(baseUrl, CL_EXPECT_FAILURE);
});
// Test request that will get redirected and cancelled asynchronously,
// ensure no connection is made.
add_test(function testAsyncCancelRedirect() {
onModifyListener(chan => {
// Suspend the channel then yield to make this async.
chan.suspend();
Promise.resolve().then(() => {
chan.cancel(Cr.NS_BINDING_ABORTED);
chan.redirectTo(ios.newURI(`${baseUrl}/fail`));
chan.resume();
});
});
startChannelRequest(baseUrl, CL_EXPECT_FAILURE);
});
// Test a request that will get cancelled synchronously, ensure async redirect
// is not made.
add_test(function testSyncCancelRedirect() {
onModifyListener(chan => {
chan.suspend();
chan.cancel(Cr.NS_BINDING_ABORTED);
Promise.resolve().then(() => {
chan.redirectTo(ios.newURI(`${baseUrl}/fail`));
chan.resume();
});
});
startChannelRequest(baseUrl, CL_EXPECT_FAILURE);
});
function run_test() {
var httpServer = new HttpServer();
httpServer.registerPathHandler("/", failResponseHandler);
httpServer.registerPathHandler("/fail", failResponseHandler);
httpServer.registerPathHandler("/success", successResponseHandler);
httpServer.start(-1);
baseUrl = `http://localhost:${httpServer.identity.primaryPort}`;
run_next_test();
registerCleanupFunction(function () {
httpServer.stop(() => {});
});
}
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