client.js

ddpParentConnection = null;
window.mochaWebClientTestsComplete = false;

var testSetupFunctions = [];

MochaWeb.testOnly = function(callback){
  testSetupFunctions.push(callback);
};

window.MirrorURLs = new Meteor.Collection("mirrorUrls");

window.chai = Package['practicalmeteor:chai'].chai;


Meteor.startup(function(){
  //TODO this method should probably live in the Velocity namespace velocity/mirrorInfo?
  Meteor.call("mirrorInfo", function(error, mirrorInfo){
    if (mirrorInfo.isMirror){
      Session.set("mochaWebMirror", true);
      Meteor.setTimeout(function(){
        ddpParentConnection = DDP.connect(mirrorInfo.parentUrl);
        ddpParentConnection.call("velocity/reports/reset", {framework: 'mocha'}, function(err, result){
          // enable stack trace with line numbers with assertions
          chai.config.includeStack = true;
          //TODO allow ui to be customized with Meteor.settings
          mocha.setup({reporter: MochaWeb.MeteorCollectionTestReporter, ui: "bdd"});
          testSetupFunctions.forEach(function(testFunction){
            testFunction();
          });
          mocha.run(function(){
            window.mochaWebClientTestsComplete = true;
            Meteor.call("clientTestsComplete", function(err, result){
              if (err){
                console.error("ERROR INVOKING CLIENT TESTS COMPLETE", err);
              }
            });
          });
        });
      }, 0);
    } else {
      Session.set("mochaWebMirror", false);
    }
  });
});

Template.mochaweb.helpers({
  mochaWebIFrameURL: function(){
    var mirror = VelocityMirrors.findOne({framework: "mocha", state: "ready"});
    if (mirror && mirror.rootUrl){
      return mirror.rootUrl + mirror.rootUrlPath + "&lastModified=" + mirror.lastModified;
    }
    return null;
  }
});