Issue32 (#34)

* closes #32

* add tests

Author: Gaston Lodieu

lib/exporters/baseraml.js

@@ -368,8 +368,7 @@ RAML.prototype.convertRefFromModel = function(object) {
             object[id] =  {
               type: 'string'
             };
-          }
-          if (val.format == 'date') {
+          } else if (val.format == 'date') {
             object[id] =  {
               type: 'date-only'
             };
@@ -378,7 +377,11 @@ RAML.prototype.convertRefFromModel = function(object) {
               type: 'datetime',
               format: 'rfc3339'
             };
-          }
+          } else { //remove invalid format.
+						if (ramlHelper.getValidFormat.indexOf(val.format) < 0) {
+							delete object[id].format;
+						}
+					}
         } else {
           object[id] = this.convertRefFromModel(val);
         }

lib/helpers/raml.js

@@ -3,6 +3,8 @@ var _ = require('lodash');
 module.exports = {
 
   getScalarTypes: ['string', 'number', 'integer', 'boolean', 'date', 'datetime', 'date-only', 'file', 'array', 'nilValue'],
+	
+	getValidFormat: [ 'byte', 'binary', 'password', 'date', 'date-time' ],
 
   parameterMappings: {},