fix nin support for in memory datasource

lib/connectors/memory.js

@@ -267,7 +267,7 @@ Memory.prototype.findOrCreate = function(model, filter, data, callback) {
       callback(null, found, false);
     });
   }
-   
+
   self._models[model].model.include(nodes[0], filter.include, {}, function(err, nodes) {
     process.nextTick(function() {
       if (err) return callback(err);
@@ -403,7 +403,7 @@ Memory.prototype._findAllSkippingIncludes = function(model, filter) {
     nodes = nodes.slice(skip, skip + limit);
   }
   return nodes;
-  
+
   function sorting(a, b) {
     var undefinedA, undefinedB;
 
@@ -558,6 +558,15 @@ function applyFilter(filter) {
         return false;
       }
 
+      if (example.nin) {

+        for (var i = 0; i < example.nin.length; i++) {

+          if (example.nin[i] == value) {

+            return false;

+          }

+        }

+        return true;
+      
}
+
       if ('neq' in example) {
         return compare(example.neq, value) !== 0;
       }
@@ -764,7 +773,7 @@ Memory.prototype.replaceOrCreate = function(model, data, options, callback) {
   var found = nodes[0];
 
   if (!found) {
-    // Calling _createSync to update the collection in a sync way and 
+    // 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); });

test/memory.test.js

@@ -350,6 +350,34 @@ describe('Memory connector', function() {
       });
     });
 
+    it('should successfully extract 3 users with inq', function (done) {
+      User.find({
+        where: {
+          seq: {
+            inq: [0, 1, 5]
+          }
+        }
+      }, function (err, users) {
+        should.not.exist(err);
+        users.length.should.be.equal(3);
+        done();
+      });
+    });
+
+    it('should successfully extract 4 users with nin', function (done) {
+      User.find({
+        where: {
+          seq: {
+            nin: [2, 3]
+          }
+        }
+      }, function (err, users) {
+        should.not.exist(err);
+        users.length.should.be.equal(4);
+        done();
+      });
+    });
+
     it('should count using date string', function(done) {
       User.count({birthday: {lt: new Date(1990,0).toISOString()}},
         function(err, count) {