Sync example

application_model_spec.js.coffee

  describe "Saving", ->
    before ->
      @syncSpy = sinon.spy()
      @syncStub = sinon.stub(Backbone, 'sync', @syncSpy)
      @changeSpy = sinon.spy()

    afterEach ->
      @syncSpy.reset()

    it 'sets errors on the model when trying to save', ->
      application.on('change:_errors', @changeSpy)
      application.save(null, validate: true)
      @changeSpy.should.have.been.calledOnce
      @syncSpy.should.not.have.been.called

    it 'should skip validation by default', ->
      application.save()
      @syncSpy.calledWith('create', application, sinon.match.any).should.be.ok
      @syncSpy.should.be.calledOnce