(test) findAndCountAll properly clones the options, closes #4191, closes #4378

test/unit/model/findAndCountAll.test.js

+'use strict';
+
+/* jshint -W030 */
+var chai = require('chai')
+, expect = chai.expect
+, Support = require(__dirname + '/../support')
+, current = Support.sequelize
+, sinon = require('sinon')
+, DataTypes = require(__dirname + '/../../../lib/data-types')
+, _ = require('lodash');
+
+describe(Support.getTestDialectTeaser('Model'), function() {
+  describe('method findAndCountAll', function () {
+    var Model = current.define('model', {
+      name: DataTypes.STRING
+    }, { timestamps: false });
+
+    var Model2 = current.define('model2', {
+      name: DataTypes.STRING
+    }, { timestamps: false });
+
+    Model.hasMany(Model2);
+    Model2.belongsTo(Model);
+
+    before(function () {
+      this.stub = sinon.stub(current.getQueryInterface(), 'select', function () {
+        return Model.build({});
+      });
+      this.stubRaw = sinon.stub(current.getQueryInterface(), 'rawSelect', function () {
+        return Model.build({});
+      });
+    });
+
+    beforeEach(function () {
+      this.stub.reset();
+      this.stubRaw.reset();
+    });
+
+    after(function () {
+      this.stub.restore();
+      this.stubRaw.restore();
+    });
+
+    it('properly clones options values', function() {
+      var options = {
+        includes: [
+          { model: 'model2', where: {
+            name: 'hello'
+          }}
+        ]
+      };
+      var optionsClones = _.cloneDeep(options);
+      return Model.findAndCountAll(options).bind(this).then(function () {
+        expect(options).to.deep.equal(optionsClones);
+      });
+    });
+
+  });
+});