add test suit for scope - dynamic function

test/scope.test.js

@@ -387,3 +387,35 @@ describe('scope - dynamic target class', function () {
   });
 
 });
+
+describe('scope - dynamic function', function () {
+
+  var Item,seed=0;
+
+  before(function () {
+    db = getSchema();
+    Item = db.define('Item', {title: Number,creator:Number});
+    Item.scope('dynamicQuery', function () {
+      seed++;
+      return {where:{creator:seed}};
+    })
+  });
+
+  beforeEach(function (done) {
+    Item.create({ title:1,creator:1 }, function () {
+      Item.create({ title:2,creator:2 },done)
+    })
+  });
+
+  it('should deduce item by runtime creator', function (done) {
+    Item.dynamicQuery.findOne(function (err,firstQuery) {
+      should.not.exist(err);
+      firstQuery.title.should.equal(1);
+      Item.dynamicQuery.findOne(function (err,secondQuery) {
+        should.not.exist(err);
+        secondQuery.title.should.equal(2);
+        done();
+      })
+    })
+  })
+});