noflo/spec/ComponentExample.js

Flow-Based Programming environment for JavaScript

var chai, noflo;

if (typeof process !== 'undefined' && process.execPath && process.execPath.match(/node|iojs/)) {
  if (!chai) {
    chai = require('chai');
  }
  noflo = require('../src/lib/NoFlo.coffee');
} else {
  noflo = require('noflo');
}

describe('MergeObjects component', function() {
  var c, obj1, obj2, sin1, sin2, sin3, sout1, sout2;
  c = null;
  sin1 = null;
  sin2 = null;
  sin3 = null;
  sout1 = null;
  sout2 = null;
  obj1 = {
    name: 'Patrick',
    age: 21
  };
  obj2 = {
    title: 'Attorney',
    age: 33
  };
  before(function(done) {
    var MergeObjects;
    if (noflo.isBrowser()) {
      return this.skip();
    }
    MergeObjects = require('./components/MergeObjects.coffee');
    c = MergeObjects.getComponent();
    sin1 = new noflo.internalSocket.InternalSocket;
    sin2 = new noflo.internalSocket.InternalSocket;
    sin3 = new noflo.internalSocket.InternalSocket;
    sout1 = new noflo.internalSocket.InternalSocket;
    sout2 = new noflo.internalSocket.InternalSocket;
    c.inPorts.obj1.attach(sin1);
    c.inPorts.obj2.attach(sin2);
    c.inPorts.overwrite.attach(sin3);
    c.outPorts.result.attach(sout1);
    c.outPorts.error.attach(sout2);
    return done();
  });
  beforeEach(function(done) {
    sout1.removeAllListeners();
    sout2.removeAllListeners();
    return done();
  });
  it('should not trigger if input is not complete', function(done) {
    sout1.once('ip', function(ip) {
      return done(new Error("Premature result"));
    });
    sout2.once('ip', function(ip) {
      return done(new Error("Premature error"));
    });
    sin1.post(new noflo.IP('data', obj1));
    sin2.post(new noflo.IP('data', obj2));
    return setTimeout(done, 10);
  });
  it('should merge objects when input is complete', function(done) {
    sout1.once('ip', function(ip) {
      chai.expect(ip).to.be.an('object');
      chai.expect(ip.type).to.equal('data');
      chai.expect(ip.data).to.be.an('object');
      chai.expect(ip.data.name).to.equal(obj1.name);
      chai.expect(ip.data.title).to.equal(obj2.title);
      chai.expect(ip.data.age).to.equal(obj1.age);
      return done();
    });
    sout2.once('ip', function(ip) {
      return done(ip);
    });
    return sin3.post(new noflo.IP('data', false));
  });
  return it('should obey the overwrite control', function(done) {
    sout1.once('ip', function(ip) {
      chai.expect(ip).to.be.an('object');
      chai.expect(ip.type).to.equal('data');
      chai.expect(ip.data).to.be.an('object');
      chai.expect(ip.data.name).to.equal(obj1.name);
      chai.expect(ip.data.title).to.equal(obj2.title);
      chai.expect(ip.data.age).to.equal(obj2.age);
      return done();
    });
    sout2.once('ip', function(ip) {
      return done(ip);
    });
    sin3.post(new noflo.IP('data', true));
    sin1.post(new noflo.IP('data', obj1));
    return sin2.post(new noflo.IP('data', obj2));
  });
});