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index.test.js
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index.test.js
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/**
* Created by damiaan on 10/07/17.
*/
jasmine.DEFAULT_TIMEOUT_INTERVAL = 18000
const EventEmitter = require('events')
const Bridge = require('./')
const Zyre = require('zyre.js')
const Autobahn = require('autobahn')
const msgpack = require("msgpack-lite");
const wampEndpoint = {
url: 'ws://localhost:8080/ws',
realm: 'realm1'
}
const bridge = new Bridge({
WAMP: {endpoint: wampEndpoint},
ZRE: {}
})
afterAll(() => {
return bridge.destroy()
})
test('Bridge connects to both networks', done => {
bridge.onReady.then(() => done())
})
describe('Reflection lifecycle', () => {
describe('WAMP reflection lifecycle', () => {
const wampClient = new Autobahn.Connection(wampEndpoint)
const metaManager = new EventEmitter()
beforeAll(() => {
const subscriptionsReady = new Promise(resolve => {
wampClient.onopen = session => resolve(session)
}).then(session => Promise.all([
session.subscribe('wamp.registration.on_create', ([session, registration]) => metaManager.emit('register', {session, registration})),
session.subscribe('wamp.session.on_leave', ([details]) => metaManager.emit('leave', details))
]))
wampClient.open()
return subscriptionsReady
})
afterAll(() => new Promise(resolve => {
wampClient.onclose = () => resolve()
wampClient.close()
}))
afterEach(() => metaManager.removeAllListeners())
test('Reflection is created after a ZRE node enters', done => {
const zreNode = new OneTestZyre()
metaManager.on('register', ({session, registration: {uri}}) => {
if (uri == Bridge.getWhisperURI(zreNode.getIdentity())) {
zreNode.stop()
done()
}
})
zreNode.start()
})
test('Reflection is closed after ZRE node leaves', done => {
const zreNode = new OneTestZyre()
let sessionID
metaManager.on('register', ({session, registration: {uri}}) => {
if (uri == Bridge.getWhisperURI(zreNode.getIdentity())) {
sessionID = session
zreNode.stop()
}
})
metaManager.on('leave', leavingSession => {
if (leavingSession === sessionID) {
done()
}
})
zreNode.start()
})
})
describe('ZRE reflection lifecycle', () => {
const zreObserver = new Zyre({name: 'observer for ZRE reflection lifecycle test'})
beforeAll(() => zreObserver.start())
test('Reflection is created for each wamp session', done => {
const wampConnection = new OneTestAutobahnConnection(wampEndpoint);
const headerKey = Bridge.getWAMPsessionIdHeaderKey()
zreObserver.on('connect', (id, name, headers) => {
if (wampConnection.session != null && wampConnection.session.id != null) {
if (headers[headerKey] == wampConnection.session.id) {
wampConnection.onclose = () => done()
wampConnection.stop()
}
}
})
wampConnection.open()
})
test('Reflection is stopped after WAMP session ends', done => {
const wampConnection = new OneTestAutobahnConnection(wampEndpoint);
let zreNodeID
zreObserver.on('disconnect', id => {
if (id === zreNodeID) done()
})
zreObserver.on('connect', (id, name, headers) => {
if (wampConnection.session != null && wampConnection.session.id != null) {
if (headers[Bridge.getWAMPsessionIdHeaderKey()] == wampConnection.session.id) {
zreNodeID = id
wampConnection.stop()
}
}
})
wampConnection.open()
})
afterEach(() => {
if (zreObserver == undefined) console.log('zre observer is undefined')
zreObserver.removeAllListeners()
})
afterAll(() => {
return zreObserver.stop().catch(error => console.log('already stopped'))
})
})
})
describe('Communication', () => {
const zreNode = Zyre.new({name: 'node 1'})
const wampNode = new Autobahn.Connection(wampEndpoint)
beforeAll(() => {
const wampNodeReady = new Promise(resolve => {
wampNode.onopen = session => resolve(session)
wampNode.open()
})
const zreNodeReady = zreNode.start()
return Promise.all([zreNodeReady, wampNodeReady]).catch(error => console.log('error while starting', error))
})
afterEach(() => {
zreNode.removeAllListeners()
})
describe('WAMP to ZRE', () => {
test('Shout from WAMP to ZRE node', done => {
expect.assertions(1)
const testGroup = 'org.devian.shout-test.&@/=+°';
const testMessage = new Buffer('My special shout test message')
zreNode.join(testGroup)
zreNode.setEncoding(null)
zreNode.on('shout', (id, name, message, group) => {
if (group === testGroup) {
try {
expect(message).toEqual(testMessage)
done()
} catch (error) {
done.fail(error)
}
}
})
const byteArrayMessage = Array.prototype.slice.call(testMessage, 0)
zreNode.on('connect', (id, name, header) => {
if (parseInt(header['WAMP-sesion-id']) === wampNode.session.id) {
wampNode.session.publish(Bridge.getShoutURI(testGroup), byteArrayMessage)
}
})
})
test('Shout from WAMP to multiple ZRE nodes', done => {
const testGroup = 'org.devian.shout-test.2';
const testMessage = new Buffer('My special broadcast test message')
expect.assertions(2)
const firstNodeReceived = new Promise(resolve => {
zreNode.join(testGroup)
zreNode.on('shout', (id, name, message, group) => {
if (group === testGroup) {
try {
expect(message).toEqual(testMessage)
resolve()
} catch (error) {
done.fail(error)
}
}
})
})
const zreNode2 = new OneTestZyre({name: 'node 2'})
zreNode2.setEncoding(null)
const secondNodeReceived = new Promise(resolve => {
zreNode2.start(() => {
zreNode2.join(testGroup)
zreNode2.on('shout', (id, name, message, group) => {
if (group === testGroup) {
zreNode2.stop()
try {
expect(message).toEqual(testMessage)
resolve()
} catch (error) {
done.fail(error)
}
}
})
})
})
const byteArrayMessage = Array.prototype.slice.call(testMessage, 0)
zreNode.on('join', (id, name, group) => {
if (id === zreNode2.getIdentity() && group === testGroup) {
wampNode.session.publish(Bridge.getShoutURI(testGroup), byteArrayMessage)
}
})
Promise.all([firstNodeReceived, secondNodeReceived]).then(() => done())
})
test('Whisper from WAMP to ZRE Node', done => {
expect.assertions(1)
const testMessage = new Buffer('My special whisper message')
zreNode.on('whisper', (id, name, message) => {
try {
expect(message).toEqual(testMessage)
done()
} catch (error) {
done.fail(error)
}
})
const peerID = zreNode.getIdentity()
const byteArray = Array.prototype.slice.call(testMessage, 0)
wampNode.session.call(Bridge.getWhisperURI(peerID), byteArray)
})
test('Subscribe to ZRE group via WAMP', done => {
expect.assertions(1)
const testGroup = "Group for WAMP test 1"
const testMessage = new Buffer("Normal shout in zyre")
zreNode.on('join', (id, name, group) => {
if (group === testGroup) {
zreNode.shout(testGroup, testMessage)
}
})
wampNode.session.subscribe(Bridge.getPublicationTopicForGroup(testGroup), byteArray => {
try {
expect(new Buffer(byteArray)).toEqual(testMessage)
done()
} catch (error) {
done.fail(error)
}
})
})
})
describe('ZRE to WAMP', () => {
describe('Call WAMP procedure from ZRE peer', () => {
test('passes an array as argument', done => {
const testURI = 'WAMP-Bridge.test.procedure.1'
const testArguments = ['Hello', 'world']
expect.assertions(1)
wampNode.session.register(testURI, receivedArguments => {
expect(receivedArguments).toEqual(testArguments)
done()
}).then(() => {
zreNode.whisper(bridge.zreObserverNode.getIdentity(), msgpack.encode([
{},
testURI,
testArguments
]))
}).catch(
error => expect(error).toBeNull()
)
})
test('passes a dictionary as argument', done => {
const testURI = 'WAMP-Bridge.test.procedure.2'
const testArgument = {Hello: 'world'}
expect.assertions(1)
wampNode.session.register(testURI, (_,receivedArgument) => {
expect(receivedArgument).toEqual(testArgument)
done()
}).then(() => {
zreNode.whisper(bridge.zreObserverNode.getIdentity(), msgpack.encode([
{},
testURI,
[],
testArgument
]))
}).catch(
error => expect(error).toBeNull()
)
})
test('returns a string', done => {
const testURI = 'WAMP-Bridge.test.procedure.3'
const testResult = "Correct result"
const testID = 683
expect.assertions(1)
wampNode.session.register(testURI, () => testResult).then(() => {
zreNode.setEncoding(null)
zreNode.on('whisper', (senderID, name, buffer) => {
const {type, result, id} = msgpack.decode(buffer)
if (id === testID && senderID === bridge.zreObserverNode.getIdentity() && type === 'WAMP RPC result') {
try {
expect(result).toEqual(testResult)
done()
} catch (error) {
done.fail(error)
}
}
})
zreNode.whisper(bridge.zreObserverNode.getIdentity(), msgpack.encode([
{},
testURI,
[],
{},
testID
]))
}).catch(
error => { done.fail(error) }
)
})
})
test('Publish message to WAMP topic', done => {
const testTopic = 'WAMP-Bridge.test.publication.1'
const testObject = {hello: 'world'}
expect.assertions(1)
wampNode.session.subscribe(testTopic, (args, kwargs) => {
expect(kwargs).toEqual(testObject)
done()
}).then(() => {
zreNode.shout(Bridge.getOutgoingPublicationGroup(), msgpack.encode([testTopic, testObject]))
})
})
test('Subscribe to WAMP topic from ZRE peer', done => {
const testTopic = 'WAMP-Bridge.test.publication.2'
const testObject = {content: 'just a normal ZRE agnostic WAMP message'}
expect.assertions(1)
wampNode.session.subscribe('wamp.subscription.on_create', ([sessionID, subscription]) => {
wampNode.session.publish(testTopic, [], testObject)
})
const testGroup = Bridge.getSubscriptionGroup(testTopic)
zreNode.join(testGroup)
zreNode.on('shout', (id, name, buffer, group) => {
if (group === Bridge.getSubscriptionGroup(testTopic)) {
const message = msgpack.decode(buffer)
expect(message).toEqual(testObject)
done()
}
})
})
})
afterAll(() => new Promise(
resolve => {
setTimeout(function() {
const wampClosed = new Promise(resolve => {
wampNode.onclose = () => resolve()
wampNode.close()
})
const zreClosed = zreNode.stop()
Promise.all([wampClosed, zreClosed]).catch(error => console.log('error while closing', error))
.then(() => resolve())
}, 2000)
}
))
})
class OneTestZyre extends Zyre {
constructor(options) {
super(options)
this._testTimeout = setTimeout(() => {
super.stop()
}, jasmine.DEFAULT_TIMEOUT_INTERVAL)
}
stop() {
clearTimeout(this._testTimeout)
return super.stop()
}
}
class OneTestAutobahnConnection extends Autobahn.Connection {
constructor(options) {
super(options)
this._testTimeout = setTimeout(() => {
super.close()
}, jasmine.DEFAULT_TIMEOUT_INTERVAL)
}
stop() {
clearTimeout(this._testTimeout)
return super.close()
}
}