#mocha zlib = require 'zlib' e = require 'expect.js' frame = require '../lib/frame' inflateStream = null describe 'WebSocket Frame', -> beforeEach -> inflateStream = zlib.createInflateRaw() describe 'unpack', -> assertFrame = (f, props) -> exp = fin: true rsv1: false rsv2: false rsv3: false opcode: 'text' mask: false length: 0 data: null done: true exp[k] = props[k] for k of props e(f).to.eql exp describe 'no compressed', -> describe 'single chunk', -> it 'with mask', -> bin = new Buffer [0x81, 0x83, 0xf8, 0xc1, 0x07, 0x08, 0x99, 0xa3, 0x64] [f] = frame.unpack bin assertFrame f, length : 3 mask : true maskKey : new Buffer [0xf8, 0xc1, 0x07, 0x08] data : new Buffer [0x61, 0x62, 0x63] it 'without mask', (done)-> bin = new Buffer [0x81, 0x03, 0x61, 0x62, 0x63] [f] = frame.unpack bin assertFrame f, length : 3 data : new Buffer [0x61, 0x62, 0x63] frame.inflate f, inflateStream, (err, f) -> assertFrame f, length : 3 data : new Buffer [0x61, 0x62, 0x63] done() it 'length is 0', -> bin = new Buffer [0x81, 0x00] [f] = frame.unpack bin assertFrame f, length : 0 data : null describe 'multi chunks', -> it '3 chunks with mask', -> bin1 = new Buffer [0x81, 0x83, 0xf8, 0xc1, 0x07, 0x08, 0x99] bin2 = new Buffer [0xa3] bin3 = new Buffer [0x64] exp = length : 3 mask : true maskKey : new Buffer [0xf8, 0xc1, 0x07, 0x08] data : [new Buffer [0x99]] done : false left : 2 [f] = frame.unpack bin1 assertFrame f, exp exp.data.push new Buffer [0xa3] exp.left-- frame.unpack bin2, f assertFrame f, exp frame.unpack bin3, f assertFrame f, length : 3 mask : true maskKey : new Buffer [0xf8, 0xc1, 0x07, 0x08] data : new Buffer [0x61, 0x62, 0x63] describe 'compressed', -> it 'single chunk', (done)-> bin = new Buffer [0xc1, 0x85, 0x2c, 0x12, 0x5c, 0x24, 0x66, 0x5e, 0x16, 0x22, 0x2c] [f] = frame.unpack bin frame.inflate f, inflateStream, (err, f) -> assertFrame f, rsv1 : true length : 5 mask : true maskKey : new Buffer [0x2c, 0x12, 0x5c, 0x24] data : new Buffer [0x61, 0x62, 0x63] done() it 'error frame', (done)-> bin = new Buffer [0xc1, 0x85, 0x2c, 0x12, 0x5c, 0x24, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa] [f] = frame.unpack bin frame.inflate f, inflateStream, (err, f) -> e(err).to.not.be.empty() done() describe 'on chunk multi frame', -> it '"222" + "333" + "444"', (done) -> buf = new Buffer [ 0xc1, 0x85, 0xe8, 0x31, 0x95, 0xf2, 0xda, 0x03, 0xa7, 0xf0, 0xe8, 0xc1, 0x85, 0x16, 0x49, 0xa2, 0x25, 0x24, 0x7f, 0x94, 0x23, 0x16, 0xc1, 0x85, 0xad, 0x85, 0x1a, 0x45, 0x9f, 0xb4, 0x2b, 0x44, 0xad] [f1, buf] = frame.unpack buf [f2, buf] = frame.unpack buf [f3, buf] = frame.unpack buf frame.inflate f1, inflateStream, (err, f) -> e(f.data.toString()).to.be '222' frame.inflate f2, inflateStream, (err, f) -> e(f.data.toString()).to.be '333' frame.inflate f3, inflateStream, (err, f) -> e(f.data.toString()).to.be '444' done() it '"real case"', (done)-> buf = new Buffer [ 0xc1, 0xab, 0xc5, 0xd1, 0x1, 0xcc, 0x6f, 0x87, 0x4b, 0x2, 0x88, 0x80, 0xb3, 0x9e, 0xf, 0x18, 0x4e, 0x80, 0x34, 0x9a, 0x2d, 0x5, 0xe9, 0x9a, 0x54, 0x1e, 0x94, 0x9b, 0xca, 0x0, 0x8c, 0xd4, 0x8b, 0x25, 0xa2, 0xf5, 0xea, 0x2b, 0x44, 0x14, 0xf5, 0xc7, 0xd7, 0x9a, 0x33, 0x58, 0xaf, 0xd0, 0x1, 0xc1, 0x8c, 0x15, 0xca, 0x52, 0xfe, 0xbf, 0xec, 0x1c, 0x8f, 0x67, 0xbb, 0x23, 0x80, 0xbb, 0x98, 0x7f, 0xfe, 0xc1, 0x8c, 0x83, 0xed, 0x9c, 0x7a, 0xa1, 0xbf, 0xe9, 0x2c, 0xe2, 0x84, 0xf6, 0x2b, 0x26, 0xbf, 0xb1, 0x7a] [f1, buf] = frame.unpack buf [f2, buf] = frame.unpack buf [f3, buf] = frame.unpack buf frame.inflate f1, inflateStream, (err, f) -> e(f.data.toString()).to.be '{"cmd":"loadNative","file":"/hc/native/path"}' frame.inflate f2, inflateStream, (err, f) -> e(f.data.toString()).to.be '{"cmd":"loadNative","file":"/hc/native/cssom"}' frame.inflate f3, inflateStream, (err, f) -> e(f.data.toString()).to.be '{"cmd":"loadNative","file":"/hc/native/jquery"}' done() describe 'pack', -> describe 'no compressed', -> it 'without mask', (done)-> f = new frame.Frame rsv1 : true rsv2 : true rsv3 : true fin : true data : new Buffer [0x61, 0x62, 0x63, 0x61, 0x62, 0x63] f.pack false, (err, bin) -> [f1] = frame.unpack bin e(f1.rsv1).to.eql f.rsv1 e(f1.rsv2).to.eql f.rsv2 e(f1.rsv3).to.eql f.rsv3 e(f1.fin).to.eql f.fin e(f1.data).to.eql f.data done() it 'with mask', (done)-> f = new frame.Frame data : 'abcabc' mask : true f.pack false, (err, bin) -> [f1] = frame.unpack bin e(f1.data.toString()).to.be f.data e(f1.mask).to.be true done() it '256 bytes data', (done)-> f = new frame.Frame data : new Buffer 256 f.pack false, (err, bin) -> [f1] = frame.unpack bin e(f1.data).to.eql f.data done() it '80000 bytes data', (done)-> f = new frame.Frame data : new Buffer 80000 f.pack false, (err, bin) -> [f1] = frame.unpack bin e(f1.data).to.eql f.data done() it 'empty data', (done) -> f = new frame.Frame f.pack false, (err, bin) -> [f1] = frame.unpack bin e(f1.data).to.be null done() describe 'compressed', -> it 'without mask', (done)-> f = new frame.Frame data : new Buffer [0x61, 0x62, 0x63, 0x61, 0x62, 0x63] minDeflateLength : 3 f.pack true, (err, bin) -> [f1] = frame.unpack bin frame.inflate f1, inflateStream, (err, f1) -> e(f1.data).to.eql f.data done() it 'with mask', (done)-> f = new frame.Frame data : new Buffer [0x61, 0x62, 0x63, 0x61, 0x62, 0x63] mask : true minDeflateLength : 3 f.pack true, (err, bin) -> [f1] = frame.unpack bin frame.inflate f1, inflateStream, (err, f1) -> e(f1.data).to.eql f.data e(f1.mask).to.be true done() it 'skip when length is not enough', (done)-> f = new frame.Frame data : new Buffer [0x61, 0x62, 0x63, 0x61, 0x62, 0x63] f.pack true, (err, bin) -> [f1] = frame.unpack bin e(f1.data).to.eql f.data done() it 'opcode error', (done)-> f = new frame.Frame opcode : 'asdasd' f.pack true, (err, bin) -> e(err.message).to.be 'Opcode Not Found "asdasd"' done()