Example karma unit test for ngBoilerplate http://joshdmiller.github.io/ng-boilerplate/#/home

home.spec.js

describe('Home Page', function () {
    var controller;

    beforeEach(module('app.home'));

    beforeEach(inject(function ($controller) {
        controller = $controller;

        controller = $controller('HomeController', {});
    }));

    it('should set someVar to blue', function() {
        expect(controller.someVar).toEqual('blue');
    });

    it('should set someList to one, two, three', function() {
        expect(controller.someList).toEqual(['one', 'two', 'three']);
    });

    describe('Click Button', function () {
        it('should show alert message when clicked', function() {
            spyOn(window, 'alert');
            controller.someFunctionUsedByTheHomePage();
            expect(window.alert).toHaveBeenCalledWith('Congratulations');
        });
    });
});