Merge pull request #857 from durango/enum-null

Enum values can now be null

lib/dao-factory.js

@@ -608,7 +608,7 @@ module.exports = (function() {
             , hasValue        = (typeof values[attrName] !== 'undefined')
             , valueOutOfScope = ((definition.values || []).indexOf(values[attrName]) === -1)
 
-          if (isEnum && hasValue && valueOutOfScope) {
+          if (isEnum && hasValue && valueOutOfScope && !(definition.allowNull === true && values[attrName] === null)) {
             throw new Error('Value "' + values[attrName] + '" for ENUM ' + attrName + ' is out of allowed scope. Allowed values: ' + definition.values.join(', '))
           }
         }

lib/dao.js

@@ -152,7 +152,7 @@ module.exports = (function() {
           valueOutOfScope = ((definition.values || []).indexOf(values[attrName]) === -1)
         }
 
-        if (isEnum && hasValue && valueOutOfScope) {
+        if (isEnum && hasValue && valueOutOfScope && !(definition.allowNull === true && values[attrName] === null)) {
           throw new Error('Value "' + values[attrName] + '" for ENUM ' + attrName + ' is out of allowed scope. Allowed values: ' + definition.values.join(', '))
         }
 

test/dao-factory.test.js

@@ -593,6 +593,23 @@ describe(Support.getTestDialectTeaser("DAOFactory"), function () {
           })
         })
       })
+
+      it('allows null values', function(done) {
+        var Enum = this.sequelize.define('Enum', {
+          state: {
+            type: Sequelize.ENUM,
+            values: ['happy', 'sad'],
+            allowNull: true
+          }
+        })
+
+        Enum.sync({ force: true }).success(function() {
+          Enum.create({state: null}).success(function(_enum) {
+            expect(_enum.state).to.be.null
+            done()
+          })
+        })
+      })
     })
   })