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import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

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Roy Tam 2018-01-19 03:59:58 +08:00
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111
netwerk/test/unit/test_alt-data_simple.js Normal file
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/**
* Test for the "alternative data stream" stored withing a cache entry.
*
* - we load a URL with preference for an alt data (check what we get is the raw data,
* since there was nothing previously cached)
* - we store the alt data along the channel (to the cache entry)
* - we flush the HTTP cache
* - we reload the same URL using a new channel, again prefering the alt data be loaded
* - this time the alt data must arive
*/
Cu.import("resource://testing-common/httpd.js");
Cu.import("resource://gre/modules/NetUtil.jsm");
Cu.import("resource://gre/modules/Services.jsm");
XPCOMUtils.defineLazyGetter(this, "URL", function() {
return "http://localhost:" + httpServer.identity.primaryPort + "/content";
});
var httpServer = null;
function make_channel(url, callback, ctx) {
return NetUtil.newChannel({uri: url, loadUsingSystemPrincipal: true});
}
const responseContent = "response body";
const altContent = "!@#$%^&*()";
const altContentType = "text/binary";
var servedNotModified = false;
function contentHandler(metadata, response)
{
response.setHeader("Content-Type", "text/plain");
response.setHeader("Cache-Control", "no-cache");
response.setHeader("ETag", "test-etag1");
try {
var etag = metadata.getHeader("If-None-Match");
} catch(ex) {
var etag = "";
}
if (etag == "test-etag1") {
response.setStatusLine(metadata.httpVersion, 304, "Not Modified");
servedNotModified = true;
} else {
response.bodyOutputStream.write(responseContent, responseContent.length);
}
}
function run_test()
{
do_get_profile();
httpServer = new HttpServer();
httpServer.registerPathHandler("/content", contentHandler);
httpServer.start(-1);
var chan = make_channel(URL);
var cc = chan.QueryInterface(Ci.nsICacheInfoChannel);
cc.preferAlternativeDataType(altContentType);
chan.asyncOpen2(new ChannelListener(readServerContent, null));
do_test_pending();
}
function readServerContent(request, buffer)
{
var cc = request.QueryInterface(Ci.nsICacheInfoChannel);
do_check_eq(buffer, responseContent);
do_check_eq(cc.alternativeDataType, "");
do_execute_soon(() => {
var os = cc.openAlternativeOutputStream(altContentType);
os.write(altContent, altContent.length);
os.close();
do_execute_soon(flushAndOpenAltChannel);
});
}
// needs to be rooted
var cacheFlushObserver = cacheFlushObserver = { observe: function() {
cacheFlushObserver = null;
var chan = make_channel(URL);
var cc = chan.QueryInterface(Ci.nsICacheInfoChannel);
cc.preferAlternativeDataType(altContentType);
chan.asyncOpen2(new ChannelListener(readAltContent, null));
}};
function flushAndOpenAltChannel()
{
// We need to do a GC pass to ensure the cache entry has been freed.
gc();
Services.cache2.QueryInterface(Ci.nsICacheTesting).flush(cacheFlushObserver);
}
function readAltContent(request, buffer)
{
var cc = request.QueryInterface(Ci.nsICacheInfoChannel);
do_check_eq(servedNotModified, true);
do_check_eq(cc.alternativeDataType, altContentType);
do_check_eq(buffer, altContent);
httpServer.stop(do_test_finished);
}