maqu14
155 lines
3.2 KiB
JavaScript
155 lines
3.2 KiB
JavaScript
var zmq = require('..')
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, should = require('should')
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, semver = require('semver');
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var addr = 'tcp://127.0.0.1'
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, frontendAddr = addr+':5507'
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, backendAddr = addr+':5508'
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, captureAddr = addr+':5509';
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var version = semver.gte(zmq.version, '3.1.0');
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describe('proxy.xpub-xsub', function() {
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it('should proxy pub-sub connected to xpub-xsub', function (done) {
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if (!version) {
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done();
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return console.warn('Test requires libzmq >= 3.1.0');
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}
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var frontend = zmq.socket('xpub');
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var backend = zmq.socket('xsub');
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var sub = zmq.socket('sub');
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var pub = zmq.socket('pub');
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sub.subscribe('');
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sub.on('message',function (msg) {
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frontend.close();
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backend.close();
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sub.close();
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pub.close();
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msg.should.be.an.instanceof(Buffer);
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msg.toString().should.equal('foo');
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done();
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});
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frontend.bind(frontendAddr,function() {
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backend.bind(backendAddr,function() {
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sub.connect(frontendAddr);
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pub.connect(backendAddr);
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setTimeout(function() {
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pub.send('foo');
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}, 200.0);
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zmq.proxy(frontend,backend);
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});
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});
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});
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it('should proxy connections with capture', function (done) {
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if (!version) {
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done();
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return console.warn('Test requires libzmq >= 3.1.0');
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}
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var frontend = zmq.socket('xpub');
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var backend = zmq.socket('xsub');
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var capture = zmq.socket('pub');
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var capSub = zmq.socket('sub');
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var sub = zmq.socket('sub');
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var pub = zmq.socket('pub');
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sub.subscribe('');
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sub.on('message', function (msg) {
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sub.close();
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pub.close();
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backend.close();
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frontend.close();
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msg.should.be.an.instanceof(Buffer);
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msg.toString().should.equal('foo');
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console.log(msg.toString());
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});
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capSub.subscribe('');
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capSub.on('message',function (msg) {
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capture.close();
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capSub.close();
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setTimeout(function(){
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msg.should.be.an.instanceof(Buffer);
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msg.toString().should.equal('foo');
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done();
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},100.0);
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});
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capture.bind(captureAddr,function() {
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frontend.bind(frontendAddr,function() {
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backend.bind(backendAddr,function() {
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pub.connect(backendAddr);
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sub.connect(frontendAddr);
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capSub.connect(captureAddr);
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setTimeout(function () {
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pub.send('foo');
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}, 200.0);
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zmq.proxy(frontend,backend,capture);
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});
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});
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});
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});
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it('should throw an error if the order is wrong', function (done) {
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if (!version) {
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done();
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return console.warn('Test requires libzmq >= 3.1.0');
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}
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var frontend = zmq.socket('xpub');
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var backend = zmq.socket('xsub');
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var sub = zmq.socket('sub');
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var pub = zmq.socket('pub');
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frontend.bindSync(frontendAddr);
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backend.bindSync(backendAddr);
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sub.connect(frontendAddr);
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pub.connect(backendAddr);
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try{
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zmq.proxy(backend,frontend);
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} catch(e){
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e.message.should.equal('wrong socket order to proxy');
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} finally{
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frontend.close();
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backend.close();
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pub.close();
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sub.close();
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//allow time for TCP sockets to close
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setTimeout(function(){
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done();
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},200)
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}
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})
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}); |