transaction support for belongs to getters

lib/associations/belongs-to.js

@@ -45,8 +45,9 @@ module.exports = (function() {
       , primaryKey = primaryKeys.length === 1 ? primaryKeys[0] : 'id'
       , primaryKey = primaryKeys.length === 1 ? primaryKeys[0] : 'id'
 
 
     obj[accessor] = function(params) {
     obj[accessor] = function(params) {
-      var id = this[self.identifier]
-        , where = {}
+      var id      = this[self.identifier]
+        , where   = {}
+        , options = Utils._.pick(params || {}, 'transaction')
 
 
       where[primaryKey] = id
       where[primaryKey] = id
 
 
@@ -60,7 +61,7 @@ module.exports = (function() {
         params = id
         params = id
       }
       }
 
 
-      return self.target.find(params)
+      return self.target.find(params, options)
     }
     }
 
 
     return this
     return this

test/associations/belongs-to.test.js

@@ -20,6 +20,39 @@ describe(Support.getTestDialectTeaser("BelongsTo"), function() {
     })
     })
   })
   })
 
 
+  describe('getAssociation', function() {
+    it('supports transactions', function(done) {
+      Support.prepareTransactionTest(this.sequelize, function(sequelize) {
+        var User  = sequelize.define('User', { username: Support.Sequelize.STRING })
+          , Group = sequelize.define('Group', { name: Support.Sequelize.STRING })
+
+        Group.belongsTo(User)
+
+        sequelize.sync({ force: true }).success(function() {
+          User.create({ username: 'foo' }).success(function(user) {
+            Group.create({ name: 'bar' }).success(function(group) {
+              sequelize.transaction(function(t) {
+                group.setUser(user, { transaction: t }).success(function() {
+                  Group.all().success(function(groups) {
+                    groups[0].getUser().success(function(associatedUser) {
+                      expect(associatedUser).to.be.null
+                      Group.all({ transaction: t }).success(function(groups) {
+                        groups[0].getUser({ transaction: t }).success(function(associatedUser) {
+                          expect(associatedUser).to.be.not.null
+                          t.rollback().success(function() { done() })
+                        })
+                      })
+                    })
+                  })
+                })
+              })
+            })
+          })
+        })
+      })
+    })
+  })
+
   describe('setAssociation', function() {
   describe('setAssociation', function() {
     it('supports transactions', function(done) {
     it('supports transactions', function(done) {
       Support.prepareTransactionTest(this.sequelize, function(sequelize) {
       Support.prepareTransactionTest(this.sequelize, function(sequelize) {