pjs/netwerk/test/unit/test_file_protocol.js

251 строка
7.4 KiB
JavaScript
Исходник Обычный вид История

/* run some tests on the file:// protocol handler */
const Cc = Components.classes;
const Ci = Components.interfaces;
const Cr = Components.results;
const PR_RDONLY = 0x1; // see prio.h
const special_type = "application/x-our-special-type";
var test_index = 0;
var test_array = [
test_read_file,
test_read_dir_1,
test_read_dir_2,
test_upload_file,
do_test_finished
];
function run_next_test() {
test_array[test_index++]();
}
function getFile(key) {
var dirSvc = Components.classes["@mozilla.org/file/directory_service;1"]
.getService(Components.interfaces.nsIProperties);
return dirSvc.get(key, Components.interfaces.nsILocalFile);
}
/* read count bytes from stream and return as a String object */
function read_stream(stream, count) {
/* assume stream has non-ASCII data */
var wrapper =
Cc["@mozilla.org/binaryinputstream;1"].
createInstance(Ci.nsIBinaryInputStream);
wrapper.setInputStream(stream);
/* JS methods can be called with a maximum of 65535 arguments, and input
streams don't have to return all the data they make .available() when
asked to .read() that number of bytes. */
var data = [];
while (count > 0) {
var bytes = wrapper.readByteArray(Math.min(65535, count));
data.push(String.fromCharCode.apply(null, bytes));
count -= bytes.length;
if (bytes.length == 0)
do_throw("Nothing read from input stream!");
}
return data.join('');
}
function new_file_input_stream(file, buffered) {
var stream =
Cc["@mozilla.org/network/file-input-stream;1"].
createInstance(Ci.nsIFileInputStream);
stream.init(file, PR_RDONLY, 0, 0);
if (!buffered)
return stream;
var buffer =
Cc["@mozilla.org/network/buffered-input-stream;1"].
createInstance(Ci.nsIBufferedInputStream);
buffer.init(stream, 4096);
return buffer;
}
function new_file_channel(file) {
var ios =
Cc["@mozilla.org/network/io-service;1"].
getService(Ci.nsIIOService);
return ios.newChannelFromURI(ios.newFileURI(file));
}
/* stream listener */
function Listener(closure) {
this._closure = closure;
}
Listener.prototype = {
_closure: null,
_buffer: "",
_got_onstartrequest: false,
_got_onstoprequest: false,
_contentLen: -1,
_isDir: function(request) {
request.QueryInterface(Ci.nsIFileChannel);
return request.file.isDirectory();
},
QueryInterface: function(iid) {
if (iid.Equals(Ci.nsIStreamListener) ||
iid.Equals(Ci.nsIRequestObserver) ||
iid.Equals(Ci.nsISupports))
return this;
throw Cr.NS_ERROR_NO_INTERFACE;
},
onStartRequest: function(request, context) {
if (this._got_onstartrequest)
do_throw("Got second onStartRequest event!");
this._got_onstartrequest = true;
if (!this._isDir(request)) {
request.QueryInterface(Ci.nsIChannel);
this._contentLen = request.contentLength;
if (this._contentLen == -1)
do_throw("Content length is unknown in onStartRequest!");
}
},
onDataAvailable: function(request, context, stream, offset, count) {
if (!this._got_onstartrequest)
do_throw("onDataAvailable without onStartRequest event!");
if (this._got_onstoprequest)
do_throw("onDataAvailable after onStopRequest event!");
if (!request.isPending())
do_throw("request reports itself as not pending from onStartRequest!");
this._buffer = this._buffer.concat(read_stream(stream, count));
},
onStopRequest: function(request, context, status) {
if (!this._got_onstartrequest)
do_throw("onStopRequest without onStartRequest event!");
if (this._got_onstoprequest)
do_throw("Got second onStopRequest event!");
this._got_onstoprequest = true;
if (!Components.isSuccessCode(status))
do_throw("Failed to load file: " + status.toString(16));
if (status != request.status)
do_throw("request.status does not match status arg to onStopRequest!");
if (request.isPending())
do_throw("request reports itself as pending from onStopRequest!");
if (this._contentLen != -1 && this._buffer.length != this._contentLen)
do_throw("did not read nsIChannel.contentLength number of bytes!");
this._closure(this._buffer);
}
};
function test_read_file() {
dump("*** test_read_file\n");
var file = getFile("XpcomLib");
var chan = new_file_channel(file);
function on_read_complete(data) {
dump("*** test_read_file.on_read_complete\n");
// bug 326693
if (chan.contentType != special_type)
do_throw("Type mismatch! Is <" + chan.contentType + ">, should be <" +
special_type + ">")
/* read completed successfully. now read data directly from file,
and compare the result. */
var stream = new_file_input_stream(file, false);
var result = read_stream(stream, stream.available());
if (result != data)
do_throw("Stream contents do not match with direct read!");
run_next_test();
}
chan.contentType = special_type;
chan.asyncOpen(new Listener(on_read_complete), null);
}
function do_test_read_dir(set_type, expected_type) {
dump("*** test_read_dir(" + set_type + ", " + expected_type + ")\n");
var file = getFile("TmpD");
var chan = new_file_channel(file);
function on_read_complete(data) {
dump("*** test_read_dir.on_read_complete(" + set_type + ", " + expected_type + ")\n");
// bug 326693
if (chan.contentType != expected_type)
do_throw("Type mismatch! Is <" + chan.contentType + ">, should be <" +
expected_type + ">")
run_next_test();
}
if (set_type)
chan.contentType = expected_type;
chan.asyncOpen(new Listener(on_read_complete), null);
}
function test_read_dir_1() {
return do_test_read_dir(false, "application/http-index-format");
}
function test_read_dir_2() {
return do_test_read_dir(true, special_type);
}
function test_upload_file() {
dump("*** test_upload_file\n");
var file = getFile("XpcomLib"); // file to upload
var dest = getFile("TmpD"); // file upload destination
dest.append("junk.dat");
dest.createUnique(dest.NORMAL_FILE_TYPE, 0600);
var uploadstream = new_file_input_stream(file, true);
var chan = new_file_channel(dest);
chan.QueryInterface(Ci.nsIUploadChannel);
chan.setUploadStream(uploadstream, "", file.fileSize);
function on_upload_complete(data) {
dump("*** test_upload_file.on_upload_complete\n");
// bug 326693
if (chan.contentType != special_type)
do_throw("Type mismatch! Is <" + chan.contentType + ">, should be <" +
special_type + ">")
/* upload of file completed successfully. */
if (data.length != 0)
do_throw("Upload resulted in data!");
var oldstream = new_file_input_stream(file, false);
var newstream = new_file_input_stream(dest, false);
var olddata = read_stream(oldstream, oldstream.available());
var newdata = read_stream(newstream, newstream.available());
if (olddata != newdata)
do_throw("Stream contents do not match after file copy!");
oldstream.close();
newstream.close();
/* cleanup... also ensures that the destination file is not in
use when OnStopRequest is called. */
try {
dest.remove(false);
} catch (e) {
dump(e + "\n");
do_throw("Unable to remove uploaded file!\n");
}
run_next_test();
}
chan.contentType = special_type;
chan.asyncOpen(new Listener(on_upload_complete), null);
}
function run_test() {
do_test_pending();
run_next_test();
}