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Bug 1487113 - nsICacheInfoChannel.preferAlternativeDataType() should expose alt-data as optional if required - tests, r=valentin

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Differential Revision: https://phabricator.services.mozilla.com/D20201

--HG--
extra : moz-landing-system : lando
This commit is contained in:
Andrea Marchesini 2019-02-19 07:38:44 +00:00
parent 52efd15b05
commit aff51ab9f6
1 changed files with 52 additions and 4 deletions
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56
netwerk/test/unit/test_alt-data_stream.js
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@ -20,7 +20,7 @@ XPCOMUtils.defineLazyGetter(this, "URL", function() {
var httpServer = null;
function make_channel(url, callback, ctx) {
function make_channel(url) {
return NetUtil.newChannel({uri: url, loadUsingSystemPrincipal: true});
}
@ -90,10 +90,10 @@ function openAltChannel()
var cc = chan.QueryInterface(Ci.nsICacheInfoChannel);
cc.preferAlternativeDataType(altContentType, "", true);
chan.asyncOpen(listener);
chan.asyncOpen(altDataListener);
}
var listener = {
var altDataListener = {
buffer: "",
onStartRequest: function(request, context) { },
onDataAvailable: function(request, context, stream, offset, count) {
@ -114,6 +114,54 @@ var listener = {
Assert.equal(cc.alternativeDataType, altContentType);
Assert.equal(this.buffer.length, altContent.length);
Assert.equal(this.buffer, altContent);
httpServer.stop(do_test_finished);
openAltChannelWithOriginalContent();
},
};
function openAltChannelWithOriginalContent()
{
var chan = make_channel(URL);
var cc = chan.QueryInterface(Ci.nsICacheInfoChannel);
cc.preferAlternativeDataType(altContentType, "", false);
chan.asyncOpen(originalListener);
}
var originalListener = {
buffer: "",
onStartRequest: function(request, context) { },
onDataAvailable: function(request, context, stream, offset, count) {
let string = NetUtil.readInputStreamToString(stream, count);
this.buffer += string;
},
onStopRequest: function(request, context, status) {
var cc = request.QueryInterface(Ci.nsICacheInfoChannel);
Assert.equal(cc.alternativeDataType, altContentType);
Assert.equal(this.buffer.length, responseContent.length);
Assert.equal(this.buffer, responseContent);
testAltDataStream(cc);
},
};
function testAltDataStream(cc)
{
cc.getAltDataInputStream(altContentType, {
onInputStreamReady: function(aInputStream) {
executeSoon(() => readAltDataInputStream(aInputStream));
}
});
}
function readAltDataInputStream(aInputStream)
{
// We expect the async stream length to match the expected content.
// If the test times out, it's probably because of this.
try {
let data = read_stream(aInputStream, altContent.length);
Assert.equal(data, altContent);
httpServer.stop(do_test_finished);
} catch (e) {
equal(e.result, Cr.NS_BASE_STREAM_WOULD_BLOCK);
executeSoon(() => readAltDataInputStream(aInputStream));
}
}