emit errors if schema constraints invalidate Model#save

lib/sequelize/model-definition.js

@@ -101,6 +101,13 @@ ModelDefinition.prototype.build = function(values) {
     , self     = this
     , self     = this
   
   
   instance.definition = this
   instance.definition = this
+
+  Utils._.map(this.attributes, function(definition, name) {
+    if(typeof instance[name] == 'undefined') {
+      instance[name] = null
+      instance.addAttribute(name, null)
+    }
+  })
   
   
   return instance
   return instance
 }
 }

test/Model/create.js

@@ -20,5 +20,20 @@ module.exports = {
           })
           })
         })
         })
      })
      })
+  },
+  'it should raise an error if created object breaks definition constraints': function(exit) {
+    var User = sequelize.define('User' + parseInt(Math.random() * 99999999), {
+      username: {type: Sequelize.STRING, unique: true},
+      smth: {type: Sequelize.STRING, allowNull: false}
+    })
+    User.sync({force:true}).on('success', function() {
+      User.create({username: 'foo', smth: null}).on('failure', function(err) {
+        assert.eql(err.message, "Column 'smth' cannot be null")
+        User.create({username: 'foo'}).on('failure', function(err) {
+          assert.eql(err.message, "Column 'smth' cannot be null")
+          exit()
+        })
+      })
+    })
   }
   }
 }
 }
\ No newline at end of file