Added specs to explicitly test for auto incremented/primary key validations. Closes #220.

test/dao.validations.test.js

@@ -254,6 +254,7 @@ describe(Support.getTestDialectTeaser("DaoValidator"), function() {
     }
 
     describe('#create', function() {
+      describe('generic', function() {
         beforeEach(function(done) {
           var self = this
 
@@ -300,6 +301,69 @@ describe(Support.getTestDialectTeaser("DaoValidator"), function() {
         })
       })
 
+      describe('explicitly validating id/primary/auto incremented columns', function() {
+        it('should emit an error when we try to enter in a string for the id key without validation arguments', function(done) {
+          var User = this.sequelize.define('UserId', {
+            id: {
+              type: Sequelize.INTEGER,
+              autoIncrement: true,
+              primaryKey: true,
+              validate: {
+                isInt: true
+              }
+            }
+          })
+
+          User.sync({ force: true }).success(function() {
+            User.create({id: 'helloworld'}).error(function(err) {
+              expect(err).to.deep.equal({id: ['Invalid integer: id']})
+              done()
+            })
+          })
+        })
+
+        it('should emit an error when we try to enter in a string for the id key with validation arguments', function(done) {
+          var User = this.sequelize.define('UserId', {
+            id: {
+              type: Sequelize.INTEGER,
+              autoIncrement: true,
+              primaryKey: true,
+              validate: {
+                isInt: { args: true, msg: 'ID must be an integer!' }
+              }
+            }
+          })
+
+          User.sync({ force: true }).success(function() {
+            User.create({id: 'helloworld'}).error(function(err) {
+              expect(err).to.deep.equal({id: ['ID must be an integer!']})
+              done()
+            })
+          })
+        })
+
+        it('should emit an error when we try to enter in a string for an auto increment key (not named id)', function(done) {
+          var User = this.sequelize.define('UserId', {
+            username: {
+              type: Sequelize.INTEGER,
+              autoIncrement: true,
+              primaryKey: true,
+              validate: {
+                isInt: { args: true, msg: 'Username must be an integer!' }
+              }
+            }
+          })
+
+          User.sync({ force: true }).success(function() {
+            User.create({username: 'helloworldhelloworld'}).error(function(err) {
+              expect(err).to.deep.equal({username: ['Username must be an integer!']})
+              done()
+            })
+          })
+        })
+      })
+    })
+
     it('correctly validates using custom validation methods', function(done) {
       var User = this.sequelize.define('User' + config.rand(), {
         name: {