maqu14
93 lines
2.3 KiB
JavaScript
93 lines
2.3 KiB
JavaScript
var zmq = require('..')
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, should = require('should')
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, semver = require('semver');
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describe('socket.pub-sub', function(){
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var pub, sub;
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beforeEach(function() {
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pub = zmq.socket('pub');
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sub = zmq.socket('sub');
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});
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it('should support pub-sub', function(done){
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var n = 0;
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sub.subscribe('');
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sub.on('message', function(msg){
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msg.should.be.an.instanceof(Buffer);
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switch (n++) {
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case 0:
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msg.toString().should.equal('foo');
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break;
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case 1:
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msg.toString().should.equal('bar');
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break;
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case 2:
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msg.toString().should.equal('baz');
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sub.close();
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pub.close();
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done();
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break;
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}
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});
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var addr = "inproc://stuff_ssps";
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sub.bind(addr, function(){
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pub.connect(addr);
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// The connect is asynchronous, and messages published to a non-
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// connected socket are silently dropped. That means that there is
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// a race between connecting and sending the first message which
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// causes this test to hang, especially when running on Linux. Even an
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// inproc:// socket seems to be asynchronous. So instead of
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// sending straight away, we wait 100ms for the connection to be
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// established before we start the send. This fixes the observed
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// hang.
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setTimeout(function() {
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pub.send('foo');
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pub.send('bar');
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pub.send('baz');
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}, 100.0);
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});
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});
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it('should support pub-sub filter', function(done){
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var n = 0;
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sub.subscribe('js');
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sub.subscribe('luna');
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sub.on('message', function(msg){
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msg.should.be.an.instanceof(Buffer);
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switch (n++) {
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case 0:
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msg.toString().should.equal('js is cool');
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break;
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case 1:
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msg.toString().should.equal('luna is cool too');
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sub.close();
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pub.close();
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done();
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break;
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}
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});
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sub.bind('inproc://stuff_sspsf', function(){
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pub.connect('inproc://stuff_sspsf');
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// See comments on pub-sub test.
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setTimeout(function() {
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pub.send('js is cool');
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pub.send('ruby is meh');
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pub.send('py is pretty cool');
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pub.send('luna is cool too');
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}, 100.0);
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});
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});
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});
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