Discovering ways to monitor Service Providers

What

Currently in my AngularJS project, I am attempting to monitor certain internal functions such as angular.module and serviceProvider.

How

Fortunately, I have managed to keep track of calls to angular.module successfully.

var moduleCalls = spyOn(angular, 'module').and.callThrough();
moduleCalls.calls.count() //-> 6

However, my attempt to monitor angular.module(...).service seems to show that it has never been called.

var serviceCalls = spyOn(angular.module('MyApp'), 'service').and.callThrough();
serviceCalls.calls.count() //-> 0

Similarly, I tried to monitor the usage of .provider function.

var serviceCalls = spyOn(angular.module('MyApp'), 'provider').and.callThrough();

Why

Currently, this scenario is purely theoretical, as I aim to have the ability to track all user-generated components (such as modules, factories, services, directives, controllers, etc) as they are being created.

Moreover, I am curious if it is feasible to combine and.callThrough() with and.callFake() in order to record activities in an audit log.

javascriptangularjsunit-testingjasmineangularjs-module

Answer №1

When utilizing 

angular.module('myApp').service()
, it is basically a quick way to invoke the same method on the $provide service. A potential approach to spying on these service registration methods is demonstrated below:

angular.module('ng').config(function ($provide) {
    serviceCalls = spyOn($provide, 'service').and.callThrough();
});

In terms of the .service() function being invoked within your app, it might be possible to implement this during unit-testing by leveraging angular-mock.js:

beforeEach(function () {
  module('myApp');

  module(function ($provide) {
    serviceCalls = spyOn($provide, 'service').and.callThrough();
});

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