fixed self associated has-one associations

lib/sequelize/associations/has-one.js

@@ -5,6 +5,12 @@ var HasOne = module.exports = function(srcModel, targetModel, options) {
   this.source = srcModel
   this.target = targetModel
   this.options = options
+  this.isSelfAssociation = (this.source.tableName == this.target.tableName)
+
+  this.associationAccessor = this.isSelfAssociation
+    ? Utils.combineTableNames(this.target.tableName, this.options.as || this.target.tableName)
+    : this.target.tableName
+
   this.accessors = {
     get: Utils._.camelize('get_' + (this.options.as || Utils.singularize(this.target.tableName))),
     set: Utils._.camelize('set_' + (this.options.as || Utils.singularize(this.target.tableName)))
@@ -49,7 +55,7 @@ HasOne.prototype.injectSetter = function(obj) {
 
         associatedObject[self.identifier] = obj.id
         associatedObject.save()
-        .on('success', function() { customEventEmitter.emit('success', '') })
+        .on('success', function() { customEventEmitter.emit('success', associatedObject) })
         .on('failure', function(err) { customEventEmitter.emit('failure', err) })
       })
     })

lib/sequelize/associations/mixin.js

@@ -9,7 +9,7 @@ var Associations = module.exports = {
       // the id is in the foreign table
       var HasOne = require('./has-one')
       var association = new HasOne(this, associatedModel, Utils._.extend((options||{}), this.options))
-      this.associations[associatedModel.tableName] = association.injectAttributes()
+      this.associations[association.associationAccessor] = association.injectAttributes()
     },
     belongsTo: function(associatedModel, options) {
       // the id is in this table