SOURCE CODE: Uize.Test.Uize.Widget.Form.mDeclarativeElements

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/*______________
|       ______  |   U I Z E    J A V A S C R I P T    F R A M E W O R K
|     /      /  |   ---------------------------------------------------
|    /    O /   |    MODULE : Uize.Test.Uize.Widget.Form.mDeclarativeElements Class
|   /    / /    |
|  /    / /  /| |    ONLINE : http://uize.com
| /____/ /__/_| | COPYRIGHT : (c)2014 UIZE
|          /___ |   LICENSE : Available under MIT License or GNU General Public License
|_______________|             http://uize.com/license.html
*/

/* Module Meta Data
  type: Test
  importance: 3
  codeCompleteness: 100
  docCompleteness: 100
*/

/*?
  Introduction
    The =Uize.Test.Uize.Widget.Form.mDeclarativeElements= module defines a suite of unit tests for the =Uize.Widget.Form.mDeclarativeElements= mixin module.

    *DEVELOPERS:* `Ben Ilegbodu`, original code contributed by `Zazzle Inc.`

    =Uize.Test.Uize.Widget.Form.mDeclarativeElements= employs a very implementation-aware approach to testing =Uize.Widget.Form.mDeclarativeElements= because of the nature of how =Uize.Widget.Form.mDeclarativeElements= is implemented. In the event that the implementation for he widget mix-in changes, this test will most likely need to be updated as well.
*/

Uize.module ({
  name:'Uize.Test.Uize.Widget.Form.mDeclarativeElements',
  builder:function () {
    'use strict';

    function _getDeclaredElements(_declarativeElements) {
      return Uize.Widget.Form.subclass ({
        mixins:Uize.Widget.Form.mDeclarativeElements,
        elements:_declarativeElements
          ? Uize.map(
            _declarativeElements,
            function(_childProperties) {
              if (Uize.isPlainObject(_childProperties) && _childProperties.widgetClass)
                _childProperties.widgetClass = Uize.getModuleByName(_childProperties.widgetClass);
              else if (Uize.isString(_childProperties))
                _childProperties = Uize.getModuleByName(_childProperties);

              return _childProperties;
            }
          )
          : _declarativeElements
      }) ().children.elements.children;
    }

    function _generateTest(_title, _declarativeElementsShorthand, _declarativeElementsVerbose, _expectedChildren) {
      function _generateSyntaxTests(_isVerbose) {
        var
          _declarativeElements = _isVerbose ? _declarativeElementsVerbose : _declarativeElementsShorthand,
          _syntaxTests = []
        ;

        function _getDeclaredElementsForTest() { return _getDeclaredElements(_declarativeElements) }

        return {
          title:(_isVerbose ? 'Verbose' : 'Shorthand') + ' Syntax',
          test:[
            {
              title:'Elements are children of elements child widget',
              test:function() {
                return this.expect(
                  Uize.lookup(_expectedChildren),
                  Uize.lookup(Uize.keys(_getDeclaredElementsForTest()))
                );
              }
            }
          ]
        };
      }

      return {
        title:_title,
        test:[
          _generateSyntaxTests(),
          _generateSyntaxTests(true)
        ]
      };
    }

    return Uize.Test.resolve ({
      title:'Uize.Widget.Form.mDeclarativeElements Module Test',
      test:[
        Uize.Test.requiredModulesTest ([
          'Uize.Widget.Form',
          'Uize.Widget.Form.mDeclarativeElements'
        ]),
        {
          title:'Empty',
          test:[
            _generateTest('When no declarative elements are specified, no declarative children are added to form elements child widget'),
            _generateTest('When an empty declarative elements is specified, no declarative children are added to form elements child widget', {}, {})
          ]
        },
        _generateTest(
          'When declarative elements are specified, those form elements are added as declarative children to form elements child widget',
          {
            foo:'Uize.Widget.FormElement',
            bar:'Uize.Widget.FormElement',
            baz:'Uize.Widget.FormElement'
          },
          {
            foo:{
              widgetClass:'Uize.Widget.FormElement'
            },
            bar:{
              widgetClass:'Uize.Widget.FormElement'
            },
            baz:{
              widgetClass:'Uize.Widget.FormElement'
            }
          },
          ['foo', 'bar', 'baz']
        )
      ]
    });
  }
});