Mockery anitpattern at it's best

    describe('init', function() {
        beforeEach(function() {
            ctrl.statistics = undefined;
            sinon.stub(ctrl.statisticsService, 'getRangeVerbose');
            sinon.stub(ctrl, 'initRangePicker');
            sinon.stub(ctrl, 'watchFilters');
            sinon.stub(ctrl, 'pick');
            sinon.stub(ctrl, 'getFilters');
        });

        describe('when custom date isn’t set', function() {
            it('initiliazes and doesn’t call getRangeVerbose()', function() {
                ctrl.getFilters.returns({isCustom: false});

                ctrl.init();

                expect(ctrl.statistics).to.be.not.empty;
                expect(ctrl.statisticsService.getRangeVerbose).to.have
                    .not.been.called;
                expect(ctrl.initRangePicker).to.have.been.called;
                expect(ctrl.watchFilters).to.have.been.called;
                expect(ctrl.pick).to.have.been.called;
            });
        });

        describe('when custom date set', function() {
            it('initiliazes and calls getRangeVerbose()', function() {
                ctrl.getFilters.returns({isCustom: true});

                ctrl.init();

                expect(ctrl.statistics).to.be.not.empty;
                expect(ctrl.statisticsService.getRangeVerbose).to.have.been
                    .called;
                expect(ctrl.initRangePicker).to.have.been.called;
                expect(ctrl.watchFilters).to.have.been.called;
                expect(ctrl.pick).to.have.been.called;
            });
        });
    });