JSFiddle - React, Tailwind, and code Playground

HTML

<script src="http://daniellmb.github.com/jasmine-run/jasmine-1.3.1-run.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/angular.js/1.3.15/angular.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/angular.js/1.3.15/angular-mocks.js"></script>

JavaScript

angular.module('myApp', [])
    .factory('detectPath', function ($location, $rootScope) {
        'use strict';
        var locationPath = $location.path();
        function getPath () {
            if (locationPath === '/') {
                locationPath = 'home';
            } else {
                locationPath = '';
            }
            $rootScope.path = locationPath;
        }
        getPath();
        return locationPath;
    });


describe('Factory: detectPath', function () {
    var detectPath, $rootScope, $location;

    beforeEach(module('myApp'));
    beforeEach(inject(function (_$rootScope_, _$location_) {
        $rootScope = _$rootScope_;
        $location = _$location_;
        spyOn($location, 'path').andReturn('/');
    }));

    it('should return pathName', function () {
        inject(function (detectPath) {
            expect($location.path).toHaveBeenCalled();
            expect($rootScope.path).toBe('home');
        });
    });
});