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//
// HTTP headers test
// Response headers can be changed after they have been received, e.g. empty
// headers are deleted, some duplicate header are merged (if no error is
// thrown), etc.
//
// The "original header" is introduced to hold the header array in the order
// and the form as they have been received from the network.
// Here, the "original headers" are tested.
//
// Original headers will be stored in the cache as well. This test checks
// that too.
// Note: sets Cc and Ci variables
"use strict";
const { HttpServer } = ChromeUtils.import("resource://testing-common/httpd.js");
XPCOMUtils.defineLazyGetter(this, "URL", function () {
return "http://localhost:" + httpserver.identity.primaryPort;
});
var httpserver = new HttpServer();
var testpath = "/simple";
var httpbody = "0123456789";
var dbg = 1;
function run_test() {
if (dbg) {
print("============== START ==========");
}
httpserver.registerPathHandler(testpath, serverHandler);
httpserver.start(-1);
run_next_test();
}
add_test(function test_headerChange() {
if (dbg) {
print("============== test_headerChange setup: in");
}
var channel1 = setupChannel(testpath);
channel1.loadFlags = Ci.nsIRequest.LOAD_BYPASS_CACHE;
// ChannelListener defined in head_channels.js
channel1.asyncOpen(new ChannelListener(checkResponse, null));
if (dbg) {
print("============== test_headerChange setup: out");
}
});
add_test(function test_fromCache() {
if (dbg) {
print("============== test_fromCache setup: in");
}
var channel2 = setupChannel(testpath);
channel2.loadFlags = Ci.nsIRequest.LOAD_FROM_CACHE;
// ChannelListener defined in head_channels.js
channel2.asyncOpen(new ChannelListener(checkResponse, null));
if (dbg) {
print("============== test_fromCache setup: out");
}
});
add_test(function finish() {
if (dbg) {
print("============== STOP ==========");
}
httpserver.stop(do_test_finished);
});
function setupChannel(path) {
var chan = NetUtil.newChannel({
uri: URL + path,
loadUsingSystemPrincipal: true,
}).QueryInterface(Ci.nsIHttpChannel);
chan.requestMethod = "GET";
return chan;
}
function serverHandler(metadata, response) {
if (dbg) {
print("============== serverHandler: in");
}
let etag;
try {
etag = metadata.getHeader("If-None-Match");
} catch (ex) {
etag = "";
}
if (etag == "testtag") {
if (dbg) {
print("============== 304 answerr: in");
}
response.setStatusLine("1.1", 304, "Not Modified");
} else {
response.setHeader("Content-Type", "text/plain", false);
response.setStatusLine("1.1", 200, "OK");
// Set a empty header. A empty link header will not appear in header list,
// but in the "original headers", it will be still exactly as received.
response.setHeaderNoCheck("Link", "", true);
response.setHeaderNoCheck("Link", "value1");
response.setHeaderNoCheck("Link", "value2");
response.setHeaderNoCheck("Location", "loc");
response.setHeader("Cache-Control", "max-age=10000", false);
response.setHeader("ETag", "testtag", false);
response.bodyOutputStream.write(httpbody, httpbody.length);
}
if (dbg) {
print("============== serverHandler: out");
}
}
function checkResponse(request, data, context) {
if (dbg) {
print("============== checkResponse: in");
}
request.QueryInterface(Ci.nsIHttpChannel);
Assert.equal(request.responseStatus, 200);
Assert.equal(request.responseStatusText, "OK");
Assert.ok(request.requestSucceeded);
// Response header have only one link header.
var linkHeaderFound = 0;
var locationHeaderFound = 0;
request.visitResponseHeaders({
visitHeader: function visit(aName, aValue) {
if (aName == "link") {
linkHeaderFound++;
Assert.equal(aValue, "value1, value2");
}
if (aName == "location") {
locationHeaderFound++;
Assert.equal(aValue, "loc");
}
},
});
Assert.equal(linkHeaderFound, 1);
Assert.equal(locationHeaderFound, 1);
// The "original header" still contains 3 link headers.
var linkOrgHeaderFound = 0;
var locationOrgHeaderFound = 0;
request.visitOriginalResponseHeaders({
visitHeader: function visitOrg(aName, aValue) {
if (aName == "link") {
if (linkOrgHeaderFound == 0) {
Assert.equal(aValue, "");
} else if (linkOrgHeaderFound == 1) {
Assert.equal(aValue, "value1");
} else {
Assert.equal(aValue, "value2");
}
linkOrgHeaderFound++;
}
if (aName == "location") {
locationOrgHeaderFound++;
Assert.equal(aValue, "loc");
}
},
});
Assert.equal(linkOrgHeaderFound, 3);
Assert.equal(locationOrgHeaderFound, 1);
if (dbg) {
print("============== Remove headers");
}
// Remove header.
request.setResponseHeader("Link", "", false);
request.setResponseHeader("Location", "", false);
var linkHeaderFound2 = false;
var locationHeaderFound2 = 0;
request.visitResponseHeaders({
visitHeader: function visit(aName, aValue) {
if (aName == "Link") {
linkHeaderFound2 = true;
}
if (aName == "Location") {
locationHeaderFound2 = true;
}
},
});
Assert.ok(!linkHeaderFound2, "There should be no link header");
Assert.ok(!locationHeaderFound2, "There should be no location headers.");
// The "original header" still contains the empty header.
var linkOrgHeaderFound2 = 0;
var locationOrgHeaderFound2 = 0;
request.visitOriginalResponseHeaders({
visitHeader: function visitOrg(aName, aValue) {
if (aName == "link") {
if (linkOrgHeaderFound2 == 0) {
Assert.equal(aValue, "");
} else if (linkOrgHeaderFound2 == 1) {
Assert.equal(aValue, "value1");
} else {
Assert.equal(aValue, "value2");
}
linkOrgHeaderFound2++;
}
if (aName == "location") {
locationOrgHeaderFound2++;
Assert.equal(aValue, "loc");
}
},
});
Assert.ok(linkOrgHeaderFound2 == 3, "Original link header still here.");
Assert.ok(
locationOrgHeaderFound2 == 1,
"Original location header still here."
);
if (dbg) {
print("============== Test GetResponseHeader");
}
var linkOrgHeaderFound3 = 0;
request.getOriginalResponseHeader("link", {
visitHeader: function visitOrg(aName, aValue) {
if (linkOrgHeaderFound3 == 0) {
Assert.equal(aValue, "");
} else if (linkOrgHeaderFound3 == 1) {
Assert.equal(aValue, "value1");
} else {
Assert.equal(aValue, "value2");
}
linkOrgHeaderFound3++;
},
});
Assert.ok(linkOrgHeaderFound2 == 3, "Original link header still here.");
if (dbg) {
print("============== checkResponse: out");
}
run_next_test();
}
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