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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
Cu.import("resource://testing-common/httpd.js");
Cu.import("resource://gre/modules/NetUtil.jsm");
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 = Components.interfaces.nsIRequest.LOAD_BYPASS_CACHE;
// ChannelListener defined in head_channels.js
channel1.asyncOpen2(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 = Components.interfaces.nsIRequest.LOAD_FROM_CACHE;
// ChannelListener defined in head_channels.js
channel2.asyncOpen2(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(Components.interfaces.nsIHttpChannel);
chan.requestMethod = "GET";
return chan;
}
function serverHandler(metadata, response) {
if (dbg) { print("============== serverHandler: in"); }
try {
var etag = metadata.getHeader("If-None-Match");
} catch(ex) {
var 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(Components.interfaces.nsIHttpChannel);
do_check_eq(request.responseStatus, 200);
do_check_eq(request.responseStatusText, "OK");
do_check_true(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++;
do_check_eq(aValue, "value1, value2");
}
if (aName == "location") {
locationHeaderFound++;
do_check_eq(aValue, "loc");
}
}
});
do_check_eq(linkHeaderFound, 1);
do_check_eq(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) {
do_check_eq(aValue, "");
} else if (linkOrgHeaderFound == 1 ) {
do_check_eq(aValue, "value1");
} else {
do_check_eq(aValue, "value2");
}
linkOrgHeaderFound++;
}
if (aName == "location") {
locationOrgHeaderFound++;
do_check_eq(aValue, "loc");
}
}
});
do_check_eq(linkOrgHeaderFound, 3);
do_check_eq(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;
}
}
});
do_check_false(linkHeaderFound2, "There should be no link header");
do_check_false(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) {
do_check_eq(aValue, "");
} else if (linkOrgHeaderFound2 == 1 ) {
do_check_eq(aValue, "value1");
} else {
do_check_eq(aValue, "value2");
}
linkOrgHeaderFound2++;
}
if (aName == "location") {
locationOrgHeaderFound2++;
do_check_eq(aValue, "loc");
}
}
});
do_check_true(linkOrgHeaderFound2 == 3,
"Original link header still here.");
do_check_true(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) {
do_check_eq(aValue, "");
} else if (linkOrgHeaderFound3 == 1 ) {
do_check_eq(aValue, "value1");
} else {
do_check_eq(aValue, "value2");
}
linkOrgHeaderFound3++;
}
});
do_check_true(linkOrgHeaderFound2 == 3,
"Original link header still here.");
if (dbg) { print("============== checkResponse: out"); }
run_next_test();
}
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