Testing decorated services in AngularJS

myApp.js

(function () {
  var myApp = angular.module('myApp', []);
}());

myDecorated$log.js

(function () {
  var myApp = angular.module('myApp');
  
  myApp.myDecorated$log = function ($delegate) {
    // monkey-patch $delegate here
    
    $delegate.monkeyPatched = true;
    
    return $delegate;
  };
  
  myApp.config(function ($provide) {
    $provide.decorator('$log', myApp.myDecorated$log);
  });
}());

myDecorated$log.spec.js

/* inspired by http://jsfiddle.net/vojtajina/DQHdk/ */

describe('Overriding $log', function () {
    var myApp = angular.module('myApp');
    
    beforeEach(function () {
        module('myApp', function ($provide) {
            $provide.decorator('$log', myApp.myDecorated$log);
        });
    });

    it('should work', inject(function ($log) {
        $log.should.have.property('monkeyPatched', true);
    }));
});

// vim:set sw=4 et: