fix(model): handle virtual attributes in includes (#10785)

lib/model.js

@@ -584,10 +584,9 @@ class Model {
     if (include.attributes && !options.raw) {
       include.model._expandAttributes(include);
 
-      // Need to make sure virtuals are mapped before setting originalAttributes
-      include = Utils.mapFinderOptions(include, include.model);
+      include.originalAttributes = this._injectDependentVirtualAttributes(include.attributes);
 
-      include.originalAttributes = include.attributes.slice(0);
+      include = Utils.mapFinderOptions(include, include.model);
 
       if (include.attributes.length) {
         _.each(include.model.primaryKeys, (attr, key) => {
@@ -699,7 +698,7 @@ class Model {
 
     // Validate child includes
     if (include.hasOwnProperty('include')) {
-      this._validateIncludedElements.call(include.model, include, tableNames, options);
+      this._validateIncludedElements.call(include.model, include, tableNames);
     }
 
     return include;

test/integration/model/attributes/types.test.js

@@ -40,6 +40,7 @@ describe(Support.getTestDialectTeaser('Model'), () => {
           this.Project = this.sequelize.define('project', {});
 
           this.Task.belongsTo(this.User);
+          this.User.hasMany(this.Task);
           this.Project.belongsToMany(this.User, { through: 'project_user' });
           this.User.belongsToMany(this.Project, { through: 'project_user' });
 
@@ -173,6 +174,23 @@ describe(Support.getTestDialectTeaser('Model'), () => {
             expect(user).to.include.all.keys(['field2']);
           });
         });
+
+        it('should be able to include model with virtual attributes', function() {
+          return this.User.create({}).then(user => {
+            return user.createTask();
+          }).then(() => {
+            return this.Task.findAll({
+              include: [{
+                attributes: ['field2', 'id'],
+                model: this.User
+              }]
+            });
+          }).then(tasks => {
+            const user = tasks[0].user.get();
+
+            expect(user.field2).to.equal(42);
+          });
+        });
       });
     });
   });