qws
Version:
An HTML5 Web Sockets Server Module
212 lines (201 loc) • 7.63 kB
text/coffeescript
#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()