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Add tests and bug fixes for ContactBuffer

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This commit is contained in:
lilia 2015-06-03 12:51:37 -07:00
parent 290283f810
commit 316838cfe9
4 changed files with 79 additions and 12 deletions
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14
js/libtextsecure.js
View file

@ -40116,19 +40116,21 @@ window.textsecure.messaging = function() {
* vim: ts=4:sw=4:expandtab
*/
function ContactBuffer(arrayBuffer) {
this.buffer = new dCodeIO.ByteBuffer(arrayBuffer);
this.buffer = new dcodeIO.ByteBuffer();
this.buffer.append(arrayBuffer);
this.buffer.offset = 0;
this.buffer.limit = arrayBuffer.byteLength;
}
ContactBuffer.prototype = {
constructor: ContactBuffer,
readContact: function() {
try {
var len = this.buffer.readVarint32();
var contactInfoBuffer = this.buffer.slice(this.buffer.offset, this.buffer.offset+len);
var contactInfo = textsecure.protobuf.ContactDetails.decode(contactInfoBuffer);
this.buffer.skip(len);
var contactInfo = textsecure.protobuf.ContactDetails.decode(
this.buffer.slice(this.buffer.offset, len)
);
var attachmentLen = contactInfo.avatar.length;
contactInfo.avatar.data = this.buffer.slice(this.buffer.offset, attachmentLen).toArrayBuffer(true /* copy? */);
var attachmentLen = contactInfo.avatar.length.toNumber();
contactInfo.avatar.data = this.buffer.slice(this.buffer.offset, this.buffer.offset + attachmentLen).toArrayBuffer(true);
this.buffer.skip(attachmentLen);
return contactInfo;

14
libtextsecure/contacts_parser.js
View file

@ -2,19 +2,21 @@
* vim: ts=4:sw=4:expandtab
*/
function ContactBuffer(arrayBuffer) {
this.buffer = new dCodeIO.ByteBuffer(arrayBuffer);
this.buffer = new dcodeIO.ByteBuffer();
this.buffer.append(arrayBuffer);
this.buffer.offset = 0;
this.buffer.limit = arrayBuffer.byteLength;
}
ContactBuffer.prototype = {
constructor: ContactBuffer,
readContact: function() {
try {
var len = this.buffer.readVarint32();
var contactInfoBuffer = this.buffer.slice(this.buffer.offset, this.buffer.offset+len);
var contactInfo = textsecure.protobuf.ContactDetails.decode(contactInfoBuffer);
this.buffer.skip(len);
var contactInfo = textsecure.protobuf.ContactDetails.decode(
this.buffer.slice(this.buffer.offset, len)
);
var attachmentLen = contactInfo.avatar.length;
contactInfo.avatar.data = this.buffer.slice(this.buffer.offset, attachmentLen).toArrayBuffer(true /* copy? */);
var attachmentLen = contactInfo.avatar.length.toNumber();
contactInfo.avatar.data = this.buffer.slice(this.buffer.offset, this.buffer.offset + attachmentLen).toArrayBuffer(true);
this.buffer.skip(attachmentLen);
return contactInfo;

61
libtextsecure/test/contacts_parser_test.js Normal file
View file

@ -0,0 +1,61 @@
/* vim: ts=4:sw=4
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
'use strict';
describe("ContactsBuffer", function() {
function getTestBuffer() {
var buffer = new dcodeIO.ByteBuffer();
var avatarBuffer = new dcodeIO.ByteBuffer();
var avatarLen = 255;
for (var i=0; i < avatarLen; ++i) {
avatarBuffer.writeUint8(i);
}
avatarBuffer.limit = avatarBuffer.offset;
avatarBuffer.offset = 0;
var contactInfo = new textsecure.protobuf.ContactDetails({
name: "Zero Cool",
number: "+10000000000",
avatar: { contentType: "image/jpg", length: avatarLen }
});
var contactInfoBuffer = contactInfo.encode().toArrayBuffer();
for (var i = 0; i < 3; ++i) {
buffer.writeVarint32(contactInfoBuffer.byteLength);
buffer.append(contactInfoBuffer);
buffer.append(avatarBuffer.clone());
}
buffer.offset = 0;
buffer.limit = buffer.buffer.byteLength;
return buffer.toArrayBuffer();
}
it("parses an array buffer of contacts", function() {
var arrayBuffer = getTestBuffer();
var contactBuffer = new ContactBuffer(arrayBuffer);
for (var i=0; i < 3; ++i) {
var contact = contactBuffer.readContact();
assert.strictEqual(contact.name, "Zero Cool");
assert.strictEqual(contact.number, "+10000000000");
assert.strictEqual(contact.avatar.contentType, "image/jpg");
var avatarBytes = new Uint8Array(contact.avatar.data);
for (var j=0; j < 255; ++j) {
assert.strictEqual(avatarBytes[j],j);
}
}
});
});

2
libtextsecure/test/index.html
View file

@ -46,11 +46,13 @@
<script type="text/javascript" src="../api.js"></script>
<script type="text/javascript" src="../sendmessage.js" data-cover></script>
<script type="text/javascript" src="../account_manager.js" data-></script>
<script type="text/javascript" src="../contacts_parser.js"></script>
<script type="text/javascript" src="fake_api.js"></script>
<script type="text/javascript" src="helpers_test.js"></script>
<script type="text/javascript" src="websocket-resources_test.js"></script>
<script type="text/javascript" src="storage_test.js"></script>
<script type="text/javascript" src="contacts_parser_test.js"></script>
<script type="text/javascript" src="generate_keys_test.js"></script>
<script type="text/javascript" src="websocket_test.js"></script>
</body>