d3 addGraph not getting called..

[G Bhargava]

I do not have much of experience with jasmine. Am trying to test the nv.d3 addGraph function but the function doesn't seem to get called. I am not sure what am I missing. Any help will be greatly appreciated!! Thanks in advance.

The factory is:

angular.module('test.addGraph', []).factory('displayCharts', function() {

           nv.addGraph(function() {

            var chart = nv.models.lineChart().margin({

                left: 30, right: 30

            }).useInteractiveGuideline(false).interactive(false).transitionDuration(350).showYAxis(true).showXAxis(true);

            var maxTicks = 3;

           ..........

           });

});

The test is:

describe('Unit Test: chart service', function(){

 var mockAddGraph, scope, data, id, chartType, d3Spy;

    beforeEach(module(''test.addGraph'));

    beforeEach(function() {

        data = [{"data1": "1424178000000","data2": "100"}];

        id = "utilChart";

        chartType = "performance";

    });

    beforeEach(inject(function($injector, $rootScope, $q) {

        mockAddGraph= $injector.get('displayCharts');

        scope = $rootScope.$new();

        //mock get element by id

        var mockHTML = document.createElement('svg');

        document.getElementById = jasmine.createSpy("HTML Element").and.returnValue(mockHTML);

    }));

   it('unit test for renderUtilChart', function()   {

       expect(mockAddGraph).toBeDefined();

       var d3Spy = jasmine.createSpyObj('nv', ['addGraph']);

       spyOn(nv, 'addGraph').and.returnValue(d3Spy);

   });

});

[Gregg Van Hove]

From what I'm seeing in your spec, there is only setup, but nothing to actually do any work or `expect` anything afterwards. Can you provide more detail about what you're trying to test?

-Gregg

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[G Bhargava]

Hello Gregg,

I am trying to call the nv.addGraph() function. I have not added any expect yet as the function itself is not getting called. I have added 

 var d3Spy = jasmine.createSpyObj('nv', ['addGraph']);

 spyOn(nv, 'addGraph').and.returnValue(d3Spy);

to call the addGraph() function but it does not work.

I have included nv.d3.in.js in karma-conf.js. 

Thanks.

[Gregg Van Hove]

I think the problem may be that in your `beforeEach` you've already executed the factory when you `$injector.get('displayCharts')` so when you spy on the `nv.addGraph` function later it has already been called.

-Gregg