gecko/netwerk/test/unit/test_resumable_truncate.js

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do_import_script("netwerk/test/httpserver/httpd.js");
var httpserver = null;
function make_channel(url, callback, ctx) {
var ios = Cc["@mozilla.org/network/io-service;1"].
getService(Ci.nsIIOService);
return ios.newChannel(url, "", null);
}
var do304 = false;
const responseBody = "response body";
function cachedHandler(metadata, response) {
var body = responseBody;
if (metadata.hasHeader("Range")) {
var matches = metadata.getHeader("Range").match(/^\s*bytes=(\d+)?-(\d+)?\s*$/);
var from = (matches[1] === undefined) ? 0 : matches[1];
var to = (matches[2] === undefined) ? responseBody.length - 1 : matches[2];
if (from >= responseBody.length) {
response.setStatusLine(metadata.httpVersion, 416, "Start pos too high");
response.setHeader("Content-Range", "*/" + responseBody.length, false);
return;
}
body = responseBody.slice(from, to + 1);
// always respond to successful range requests with 206
response.setStatusLine(metadata.httpVersion, 206, "Partial Content");
response.setHeader("Content-Range", from + "-" + to + "/" + responseBody.length, false);
} else if (do304) {
response.setStatusLine(metadata.httpVersion, 304, "Not Modified");
return;
}
response.setHeader("Content-Type", "text/plain", false);
response.setHeader("ETag", "Just testing");
response.setHeader("Accept-Ranges", "bytes");
response.bodyOutputStream.write(body, body.length);
}
function Canceler(continueFn) {
this.continueFn = continueFn;
}
Canceler.prototype = {
QueryInterface: function(iid) {
if (iid.equals(Ci.nsIStreamListener) ||
iid.equals(Ci.nsIRequestObserver) ||
iid.equals(Ci.nsISupports))
return this;
throw Components.results.NS_ERROR_NO_INTERFACE;
},
onStartRequest: function(request, context) {
},
onDataAvailable: function(request, context, stream, offset, count) {
request.QueryInterface(Ci.nsIChannel)
.cancel(Components.results.NS_BINDING_ABORTED);
},
onStopRequest: function(request, context, status) {
do_check_eq(status, Components.results.NS_BINDING_ABORTED);
this.continueFn();
}
};
function finish_test() {
httpserver.stop();
do_test_finished();
}
function start_cache_read() {
do304 = true;
var chan = make_channel("http://localhost:4444/cached/test.gz");
chan.asyncOpen(new ChannelListener(finish_test, null), null);
}
function start_canceler() {
do304 = false;
var chan = make_channel("http://localhost:4444/cached/test.gz");
chan.asyncOpen(new Canceler(start_cache_read), null);
}
function run_test() {
httpserver = new nsHttpServer();
httpserver.registerPathHandler("/cached/test.gz", cachedHandler);
httpserver.start(4444);
do304 = false;
var chan = make_channel("http://localhost:4444/cached/test.gz");
chan.asyncOpen(new ChannelListener(start_canceler, null), null);
do_test_pending();
}