fb-functions-Spec.js

var FireFunc = require("../js/services-fb-functions.js");

describe('Firebase Testing Suite', function() {
    var firebase;
    var testPath;
    var testResult = {};

    beforeAll(function() {
        var firebaseFunctions = ['check']
        firebase = jasmine.createSpyObj('firebase', firebaseFunctions)

        firebase.check.and.callFake(function() {
            return 2
        });
   });
   
   describe('check', function() {
    it('is working?', function() {
        var x = FireFunc.zset()
        expect(x).toBe(3); // THIS IS RETURNING 1... which means the spyOn doesn't work for me !
    });
});

services-fb-functions.js

var firebase = {};
firebase.check = function() {
    return 1;
}

module.exports = {
    zset: function() {
        return firebase.check();
    }
}