sequelize.set: make options.transaction required

lib/sequelize.js

@@ -560,9 +560,9 @@ module.exports = (function() {
    * If you want to set variables for a specific query, you should create a transaction and pass it on options.
    *
    * @method set
-   * @param {Object}        Object with multiple variables.
-   * @param {Object}        [options={}] Query options.
-   * @param {Transaction}   [options.transaction=null] The transaction that the query should be executed under
+   * @param {Object}        variables Object with multiple variables.
+   * @param {Object}        options={} Query options.
+   * @param {Transaction}   options.transaction=null The transaction that the query should be executed under
    * @return {Promise}
    *
    */
@@ -572,6 +572,10 @@ module.exports = (function() {
     // Prepare options
     options = Utils._.extend( {}, this.options.set, typeof options === 'object' && options || {} );
 
+    if( ! options.transaction || ! ( options.transaction instanceof Transaction ) ) {
+      return Promise.rejected( new TypeError("options.transaction is required") );
+    }
+
     // Override some options, since this isn't a SELECT
     options.raw = true;
     options.plain = true;

test/sequelize.test.js

@@ -449,7 +449,18 @@ describe(Support.getTestDialectTeaser("Sequelize"), function () {
     }
   })
 
-  describe('set', function() {
+  describe.only('set', function() {
+
+    it("should return an promised error if transaction isn't defined", function ( done ) {
+      var S = this.sequelize;
+
+      S.set({ foo: 'bar' })
+        .done( function ( err ) {
+          expect( err ).to.be.an.instanceof( TypeError )
+
+          done();
+        });
+    })
 
     it("one value", function ( done ) {
       var S = this.sequelize;