From 2aa4a82499d4becd2284cdb482213d541b8804dd Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 28 Apr 2024 16:29:10 +0200 Subject: Adding upstream version 86.0.1. Signed-off-by: Daniel Baumann --- netwerk/test/unit/test_alt-data_stream.js | 153 ++++++++++++++++++++++++++++++ 1 file changed, 153 insertions(+) create mode 100644 netwerk/test/unit/test_alt-data_stream.js (limited to 'netwerk/test/unit/test_alt-data_stream.js') diff --git a/netwerk/test/unit/test_alt-data_stream.js b/netwerk/test/unit/test_alt-data_stream.js new file mode 100644 index 0000000000..c6eb665226 --- /dev/null +++ b/netwerk/test/unit/test_alt-data_stream.js @@ -0,0 +1,153 @@ +/** + * 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 write a big chunk of alt-data to the output stream + * - we load the URL again, expecting to get alt-data + * - we check that the alt-data is streamed. We should get the first chunk, then + * the rest of the alt-data is written, and we check that it is received in + * the proper order. + * + */ + +"use strict"; + +const { HttpServer } = ChromeUtils.import("resource://testing-common/httpd.js"); + +XPCOMUtils.defineLazyGetter(this, "URL", function() { + return "http://localhost:" + httpServer.identity.primaryPort + "/content"; +}); + +var httpServer = null; + +function make_channel(url) { + return NetUtil.newChannel({ uri: url, loadUsingSystemPrincipal: true }); +} + +const responseContent = "response body"; +// We need a large content in order to make sure that the IPDL stream is cut +// into several different chunks. +// We fill each chunk with a different character for easy debugging. +const altContent = + "a".repeat(128 * 1024) + + "b".repeat(128 * 1024) + + "c".repeat(128 * 1024) + + "d".repeat(128 * 1024) + + "e".repeat(128 * 1024) + + "f".repeat(128 * 1024) + + "g".repeat(128 * 1024) + + "h".repeat(128 * 1024) + + "i".repeat(13); // Just so the chunk size doesn't match exactly. + +const firstChunkSize = Math.floor(altContent.length / 4); +const altContentType = "text/binary"; + +function contentHandler(metadata, response) { + response.setHeader("Content-Type", "text/plain"); + response.setHeader("Cache-Control", "max-age=86400"); + + 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, "", true); + + chan.asyncOpen(new ChannelListener(readServerContent, null)); + do_test_pending(); +} + +// Output stream used to write alt-data to the cache entry. +var os; + +function readServerContent(request, buffer) { + var cc = request.QueryInterface(Ci.nsICacheInfoChannel); + + Assert.equal(buffer, responseContent); + Assert.equal(cc.alternativeDataType, ""); + + executeSoon(() => { + os = cc.openAlternativeOutputStream(altContentType, altContent.length); + // Write a quarter of the alt data content + os.write(altContent, firstChunkSize); + + executeSoon(openAltChannel); + }); +} + +function openAltChannel() { + var chan = make_channel(URL); + var cc = chan.QueryInterface(Ci.nsICacheInfoChannel); + cc.preferAlternativeDataType(altContentType, "", true); + + chan.asyncOpen(altDataListener); +} + +var altDataListener = { + buffer: "", + onStartRequest(request) {}, + onDataAvailable(request, stream, offset, count) { + let string = NetUtil.readInputStreamToString(stream, count); + this.buffer += string; + + // XXX: this condition might be a bit volatile. If this test times out, + // it probably means that for some reason, the listener didn't get all the + // data in the first chunk. + if (this.buffer.length == firstChunkSize) { + // write the rest of the content + os.write( + altContent.substring(firstChunkSize, altContent.length), + altContent.length - firstChunkSize + ); + os.close(); + } + }, + onStopRequest(request, status) { + var cc = request.QueryInterface(Ci.nsICacheInfoChannel); + Assert.equal(cc.alternativeDataType, altContentType); + Assert.equal(this.buffer.length, altContent.length); + Assert.equal(this.buffer, altContent); + 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(request) {}, + onDataAvailable(request, stream, offset, count) { + let string = NetUtil.readInputStreamToString(stream, count); + this.buffer += string; + }, + onStopRequest(request, 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(aInputStream) { + Assert.ok(!!aInputStream); + httpServer.stop(do_test_finished); + }, + }); +} -- cgit v1.2.3