transaction support for Dao#reload

lib/dao.js

@@ -229,7 +229,7 @@ module.exports = (function() {
   *
   * @return {Object}         A promise which fires `success`, `error`, `complete` and `sql`.
   */
-  DAO.prototype.reload = function() {
+  DAO.prototype.reload = function(options) {
     var where = [
       this.QueryInterface.quoteIdentifier(this.__factory.tableName) + '.' + this.QueryInterface.quoteIdentifier('id')+'=?',
       this.id
@@ -240,7 +240,7 @@ module.exports = (function() {
         where:   where,
         limit:   1,
         include: this.__eagerlyLoadedOptions || []
-      })
+      }, options)
       .on('sql', function(sql) { emitter.emit('sql', sql) })
       .on('error', function(error) { emitter.emit('error', error) })
       .on('success', function(obj) {

test/dao.test.js

@@ -526,6 +526,28 @@ describe(Support.getTestDialectTeaser("DAO"), function () {
   })
 
   describe('reload', function () {
+    it('supports transactions', function(done) {
+      Support.prepareTransactionTest(dialect, this.sequelize, function(sequelize) {
+        var User = sequelize.define('User', { username: Support.Sequelize.STRING })
+
+        User.sync({ force: true }).success(function() {
+          User.create({ username: 'foo' }).success(function(user) {
+            sequelize.transaction(function(t) {
+              User.update({ username: 'bar' }, {}, { transaction: t }).success(function() {
+                user.reload().success(function(user) {
+                  expect(user.username).to.equal('foo')
+                  user.reload({ transaction: t }).success(function(user) {
+                    expect(user.username).to.equal('bar')
+                    t.rollback().success(function() { done() })
+                  })
+                })
+              })
+            })
+          })
+        })
+      })
+    })
+
     it("should return a reference to the same DAO instead of creating a new one", function(done) {
       this.User.create({ username: 'John Doe' }).complete(function(err, originalUser) {
         originalUser.updateAttributes({ username: 'Doe John' }).complete(function() {