streams.js
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'use strict'
var test = require('tape').test
var msgpack = require('../')
var BufferList = require('bl')
test('must send an object through', function (t) {
t.plan(1)
var pack = msgpack()
var encoder = pack.encoder()
var decoder = pack.decoder()
var data = { hello: 'world' }
encoder.pipe(decoder)
decoder.on('data', function (chunk) {
t.deepEqual(chunk, data)
})
encoder.end(data)
})
test('must send three objects through', function (t) {
var pack = msgpack()
var encoder = pack.encoder()
var decoder = pack.decoder()
var data = [
{ hello: 1 },
{ hello: 2 },
{ hello: 3 }
]
t.plan(data.length)
decoder.on('data', function (chunk) {
t.deepEqual(chunk, data.shift())
})
data.forEach(encoder.write.bind(encoder))
encoder.pipe(decoder)
encoder.end()
})
test('end-to-end', function (t) {
var pack = msgpack()
var encoder = pack.encoder()
var decoder = pack.decoder()
var data = [
{ hello: 1 },
{ hello: 2 },
{ hello: 3 }
]
t.plan(data.length)
decoder.on('data', function (chunk) {
t.deepEqual(chunk, data.shift())
})
data.forEach(encoder.write.bind(encoder))
encoder.end()
encoder.pipe(decoder)
})
test('encoding error wrapped', function (t) {
t.plan(1)
var pack = msgpack()
var encoder = pack.encoder()
var data = new MyType()
function MyType () {
}
function mytypeEncode () {
throw new Error('muahha')
}
function mytypeDecode () {
}
pack.register(0x42, MyType, mytypeEncode, mytypeDecode)
encoder.on('error', function (err) {
t.equal(err.message, 'muahha')
})
encoder.end(data)
})
test('decoding error wrapped', function (t) {
t.plan(1)
var pack = msgpack()
var encoder = pack.encoder()
var decoder = pack.decoder()
var data = new MyType()
function MyType () {
}
function mytypeEncode () {
return new Buffer(0)
}
function mytypeDecode () {
throw new Error('muahha')
}
pack.register(0x42, MyType, mytypeEncode, mytypeDecode)
decoder.on('error', function (err) {
t.equal(err.message, 'muahha')
})
encoder.end(data)
encoder.pipe(decoder)
})
test('decoding error wrapped', function (t) {
t.plan(1)
var pack = msgpack()
var encoder = pack.encoder({ header: false })
var decoder = pack.decoder({ header: false })
var data = new MyType()
function MyType () {
}
function mytypeEncode () {
return new Buffer(0)
}
function mytypeDecode () {
throw new Error('muahha')
}
pack.register(0x42, MyType, mytypeEncode, mytypeDecode)
decoder.on('error', function (err) {
t.equal(err.message, 'muahha')
})
encoder.end(data)
encoder.pipe(decoder)
})
test('concatenated buffers work', function (t) {
var pack = msgpack()
var encoder = pack.encoder()
var decoder = pack.decoder()
var data = [
{ hello: 1 },
{ hello: 2 },
{ hello: 3 }
]
t.plan(data.length)
var bl = new BufferList()
encoder.on('data', bl.append.bind(bl))
data.forEach(encoder.write.bind(encoder))
decoder.on('data', function (d) {
t.deepEqual(d, data.shift())
})
encoder.once('finish', function () {
var buf = bl.slice()
decoder.write(buf)
})
encoder.end()
})