Override value using data-value attribute

parsley.js

@@ -18,7 +18,7 @@
   var Validator = function ( options ) {
     /**
     * Error messages
-    * 
+    *
     * @property messages
     * @type {Object}
     */
@@ -59,7 +59,7 @@
 
     /**
     * Validator list. Built-in validators functions
-    * 
+    *
     * @property validators
     * @type {Object}
     */
@@ -601,7 +601,7 @@
     * @returns {String} val
     */
     , getVal: function () {
-      return this.$element.val();
+      return this.$element.data('value') || this.$element.val();
     }
 
     /**
@@ -1196,7 +1196,7 @@
 
       this.$element.off( '.' + this.type ).removeData( this.type );
     }
-    
+
     /**
     * reset Parsley binded on the form and its fields
     *
@@ -1272,7 +1272,7 @@
 
   /**
   * Parsley plugin configuration
-  * 
+  *
   * @property $.fn.parsley.defaults
   * @type {Object}
   */

tests/index.html

@@ -127,6 +127,9 @@
             <input type="text" id="remote1" name="remote1" data-remote="http://foo.bar" data-remote-datatype="jsonp" />
             <input type="text" id="remote2" name="remote2" data-remote="http://foo.bar/baz" data-trigger="change" data-remote-method="POST" />
 
+            <input type="text" id="datavalue1" name="datavalue1" data-value="" value="" data-required="true" />
+            <input type="text" id="datavalue2" name="datavalue2" data-value="foo" value="" data-required="true" />
+
             <input type="submit" />
         </form>
         <form id="validate-form" data-validate="parsley">

tests/tests.js

@@ -563,6 +563,21 @@ var testSuite = function () {
       } )
     } )
 
+    /***************************************
+         override value with data-value
+    ***************************************/
+    describe ( 'Override value with data-value' , function () {
+      it ( 'required - data-value is empty, value is empty', function () {
+        triggerSubmitValidation( '#datavalue1', '' );
+        expect( $( '#datavalue1' ).hasClass( 'parsley-error' ) ).to.be( true );
+        expect( getErrorMessage( '#datavalue1', 'required') ).to.be( 'This value is required.' );
+      } )
+      it ( 'required - data-value has value, value is empty', function () {
+        triggerSubmitValidation( '#datavalue2', '' );
+        expect( $( '#datavalue2' ).hasClass( 'parsley-success' ) ).to.be( true );
+      } )
+    } )
+
     /***************************************
           test options changes
     ***************************************/