UnorderedList{Formatter=>} now a trait

This adds a great deal of flexibility through composition via trait
stacking.

* src/validate/formatter/UnorderedList.js: Renamed from
  UnorderedListFormatter; now a trait.

* test/validate/formatter/UnorderedListTest.js: Renamed from
  UnorderedListFormatterTest and adjusted to instantiate trait.

src/validate/formatter/UnorderedList.js

@@ -19,7 +19,7 @@
  *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-var Class              = require( 'easejs' ).Class,
+var Trait              = require( 'easejs' ).Trait,
     ValidatorFormatter = require( '../ValidatorFormatter' );
 
 
@@ -27,7 +27,7 @@ var Class              = require( 'easejs' ).Class,
  * Formats delimited items as an HTML unordered list, storing as a
  * delimited string.
  */
-module.exports = Class( 'UnorderedListFormatter' )
+module.exports = Trait( 'UnorderedList' )
     .implement( ValidatorFormatter )
     .extend(
 {
@@ -41,12 +41,12 @@ module.exports = Class( 'UnorderedListFormatter' )
      *
      * @return {string} formatted string
      */
-    'public parse': function( data )
+    'virtual abstract override public parse': function( data )
     {
         // strip HTMl elements before processing (closing li tag
         // is translated into a semicolon)
         return this.getParts(
-            data
+            this.__super( data )
                 .replace( /<\/li>/g, ';' )
                 .replace( /\s*<.*?>\s*/g, '' )
         ).join( '; ' );
@@ -67,9 +67,9 @@ module.exports = Class( 'UnorderedListFormatter' )
      *
      * @return {string} data formatted for display
      */
-    'public retrieve': function( data )
+    'virtual abstract override public retrieve': function( data )
     {
-        var parts = this.getParts( data ),
+        var parts = this.getParts( this.__super( data ) ),
             items = '';
 
         for ( var i = 0; i < parts.length; i++ )

test/validate/formatter/UnorderedListTest.js

@@ -20,14 +20,15 @@
  */
 
 
-var liza         = require( '../../../' ),
-    Sut          = liza.validate.formatter.UnorderedListFormatter,
-    testValidate = require( './common' ).testValidate;
+var liza          = require( '../../../' ),
+    Sut           = liza.validate.formatter.UnorderedList,
+    EchoFormatter = liza.validate.formatter.EchoFormatter,
+    common        = require( './common' );
 
 
-describe( 'UnorderedListFormatter', function()
+describe( 'UnorderedList', function()
 {
-    testValidate( Sut(), {
+    common.testValidate( EchoFormatter.use( Sut )(), {
         "":        [ "",        "" ],
         "no semi": [ "no semi", "<ul><li>no semi</li></ul>" ],
 
@@ -138,4 +139,14 @@ describe( 'UnorderedListFormatter', function()
             "<ul><li>semi</li><li>colon</li></ul>"
         ],
     } );
+
+
+    common.testMixin(
+        EchoFormatter,
+        Sut,
+        'foo;',
+        'bar',
+        'foo; bar',
+        '<ul><li>foo</li><li>bar</li></ul>'
+    );
 } );