Back-port fixes for linter errors from master

examples/datasource-app.js

@@ -106,7 +106,7 @@ Article.create(function(e, article) {
 // should be able to attach a data source to an existing model
 var modelBuilder = new ModelBuilder();
 
-Color = modelBuilder.define('Color', {
+var Color = modelBuilder.define('Color', {
   name: String,
 });
 

lib/connectors/memory.js

@@ -813,7 +813,7 @@ Memory.prototype.replaceOrCreate = function(model, data, options, callback) {
     // Calling _createSync to update the collection in a sync way and
     // to guarantee to create it in the same turn of even loop
     return self._createSync(model, data, function(err, id) {
-      if (err) return process.nextTick(function() { cb(err); });
+      if (err) return process.nextTick(function() { callback(err); });
       self.saveToFile(id, function(err, id) {
         self.setIdValue(model, data, id);
         callback(err, self.fromDb(model, data), {isNewInstance: true});

test/manipulation.test.js

@@ -417,7 +417,7 @@ describe('manipulation', function() {
         .catch(done);
     });
 
-    it('should save throw error on validation', function() {
+    it('should save throw error on validation', function(done) {
       Person.findOne(function(err, p) {
         should.not.exist(err);
         p.isValid = function(cb) {
@@ -429,6 +429,7 @@ describe('manipulation', function() {
             'throws': true,
           });
         }).should.throw(ValidationError);
+        done();
       });
     });
 

test/persistence-hooks.suite.js

@@ -1446,7 +1446,7 @@ module.exports = function(dataSource, should, connectorCapabilities) {
       });
     });
 
-    if (!getSchema().connector.replaceById) {
+    if (!dataSource.connector.replaceById) {
       describe.skip('replaceById - not implemented', function() {});
     } else {
       describe('PersistedModel.prototype.replaceAttributes', function() {
@@ -2103,7 +2103,7 @@ module.exports = function(dataSource, should, connectorCapabilities) {
       });
     });
 
-    if (!getSchema().connector.replaceById) {
+    if (!dataSource.connector.replaceById) {
       describe.skip('replaceById - not implemented', function() {});
     } else {
       describe('PersistedModel.replaceOrCreate', function() {