text: //-- copyright
  // OpenProject is a project management system.
  // Copyright (C) 2012-2015 the OpenProject Foundation (OPF)
  //
  // This program is free software; you can redistribute it and/or
  // modify it under the terms of the GNU General Public License version 3.
  //
  // OpenProject is a fork of ChiliProject, which is a fork of Redmine. The copyright follows:
  // Copyright (C) 2006-2013 Jean-Philippe Lang
  // Copyright (C) 2010-2013 the ChiliProject Team
  //
  // This program is free software; you can redistribute it and/or
  // modify it under the terms of the GNU General Public License
  // as published by the Free Software Foundation; either version 2
  // of the License, or (at your option) any later version.
  //
  // This program is distributed in the hope that it will be useful,
  // but WITHOUT ANY WARRANTY; without even the implied warranty of
  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  // GNU General Public License for more details.
  //
  // You should have received a copy of the GNU General Public License
  // along with this program; if not, write to the Free Software
  // Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  //
  // See doc/COPYRIGHT.rdoc for more details.
  //++
  
  /*jshint expr: true*/
  
  describe('HookService', function() {
  
    var HookService;
    var callback, invalidCallback;
    var validId = 'myValidCallbacks';
  
    beforeEach(angular.mock.module('openproject.services'));
  
    beforeEach(inject(function(_HookService_){
      HookService = _HookService_;
    }));
  
    var shouldBehaveLikeEmptyResult = function(id) {
      it('returns empty results', function() {
        expect(HookService.call(id)).to.be.empty;
      });
    };
  
    var shouldBehaveLikeResultWithElements = function(id, count) {
      it('returns #count results', function() {
        expect(HookService.call(id).length).to.eq(count);
      });
    };
  
    var shouldBehaveLikeCalledCallback = function(id) {
      beforeEach(function() {
        HookService.call(id);
      });
  
      it('is called', function() {
        expect(callback.called).to.be.true;
      });
    };
  
    var shouldBehaveLikeUncalledCallback = function(id) {
      beforeEach(function() {
        HookService.call(id);
      });
  
      it('is not called', function() {
        expect(invalidCallback.called).to.be.false;
      });
    };
  
    describe('register', function() {
      var invalidId = 'myInvalidCallbacks';
  
      describe('no callback registered', function() {
        shouldBehaveLikeEmptyResult(invalidId);
      });
  
      describe('undefined callback registered', function() {
        beforeEach(function() {
          HookService.register('myInvalidCallbacks');
        });
  
        shouldBehaveLikeEmptyResult(invalidId);
      });
  
      describe('non function callback registered', function() {
        beforeEach(function() {
          HookService.register('myInvalidCallbacks', 'eeek');
        });
  
        shouldBehaveLikeEmptyResult(invalidId);
      });
  
      describe('valid function callback registered', function() {
        beforeEach(function() {
          callback = sinon.spy();
          HookService.register('myValidCallbacks', callback);
        });
  
        shouldBehaveLikeEmptyResult(validId);
  
        shouldBehaveLikeCalledCallback(validId);
      });
    });
  
    describe('call', function() {
      describe('function that returns undefined', function() {
        beforeEach(function() {
          callback = sinon.spy();
          HookService.register('myValidCallbacks', callback);
        });
  
        shouldBehaveLikeCalledCallback(validId);
  
        shouldBehaveLikeEmptyResult(validId);
      });
  
      describe('function that returns something that is not undefined', function() {
        beforeEach(function() {
          callback = sinon.stub();
          callback.returns(new Object());
  
          HookService.register('myValidCallbacks', callback);
        });
  
        shouldBehaveLikeCalledCallback(validId);
  
        shouldBehaveLikeResultWithElements(validId, 1);
      });
  
      describe('function that returns something that is not undefined', function() {
        beforeEach(function() {
          callback = sinon.stub();
          callback.returns(new Object());
  
          HookService.register('myValidCallbacks', callback);
        });
  
        shouldBehaveLikeCalledCallback(validId);
  
        shouldBehaveLikeResultWithElements(validId, 1);
      });
  
      describe('function that returns something that is not undefined', function() {
        beforeEach(function() {
          callback = sinon.spy();
          invalidCallback = sinon.spy();
  
          HookService.register('myValidCallbacks', callback);
  
          HookService.register('myInvalidCallbacks', invalidCallback);
        });
  
        shouldBehaveLikeCalledCallback(validId);
  
        shouldBehaveLikeUncalledCallback(validId);
      });
  
      describe('function that returns something that is not undefined', function() {
        var callback1, callback2;
  
        beforeEach(function() {
          callback1 = sinon.stub();
          callback1.returns(new Object());
          callback2 = sinon.stub();
          callback2.returns(new Object());
  
          HookService.register('myValidCallbacks', callback1);
          HookService.register('myValidCallbacks', callback2);
        });
  
        shouldBehaveLikeResultWithElements(validId, 2);
      });
    });
  });
  