Beispiel #1
0
        public void RollbackTo_CollectionModificationInvalidatesViewModel_RollbackValidatesViewModel()
        {
            var project1Title = "Title of project1";
            var project1      = CreateProject(project1Title);

            EmployeeVM.InitializeFrom(CreateEmployee(projects: project1));

            EmployeeVM.Revalidate();

            Assert.IsTrue(EmployeeVM.IsValid);

            var rollbackPoint = EmployeeVM.UndoManager.GetRollbackPoint();

            var project2   = CreateProject(project1Title);
            var project2VM = new ProjectVM();

            project2VM.InitializeFrom(project2);
            EmployeeVM.Projects.Add(project2VM);

            Assert.IsFalse(EmployeeVM.IsValid);

            EmployeeVM.UndoManager.RollbackTo(rollbackPoint);

            Assert.IsTrue(EmployeeVM.IsValid);
        }
Beispiel #2
0
        public void MultipleRollbackTo_WithMultipleRollbackPoints_RestoresRollbackPoints()
        {
            // Arrange
            var originalCustomer1Name = "Customer1";
            var customer1             = CreateCustomer(originalCustomer1Name);
            var customer2             = CreateCustomer();

            var originalProject1Title = "Project1";
            var projects = new Project[] {
                CreateProject(originalProject1Title, customer1),
                CreateProject("Project2", customer2)
            };
            var originalEmployeeName = "Name";
            var employee             = CreateEmployee(name: originalEmployeeName, projects: projects);

            EmployeeVM.InitializeFrom(employee);

            ProjectVM[] expectedProjectVMColl = EmployeeVM.Projects.ToArray();

            // Act - Assert
            var employeeVMRollbackPoint = EmployeeVM.UndoManager.GetRollbackPoint();

            var newProject = new ProjectVM();

            newProject.InitializeFrom(new Project());
            EmployeeVM.Projects.Add(newProject);

            EmployeeVM.Name = "ModifiedName";

            ((IViewModel)EmployeeVM).Kernel.Refresh();

            var project1VM = EmployeeVM
                             .Projects
                             .Single(x => x.Title == originalProject1Title);

            var projectVMRollbackPoint = project1VM.UndoManager.GetRollbackPoint();

            project1VM.Title = "ModifiedTitle";

            var customerVMRollbackPoint = project1VM.Customer.UndoManager.GetRollbackPoint();

            project1VM.Customer.Name = "ModifiedName";

            project1VM.Customer.UndoManager.RollbackTo(customerVMRollbackPoint);
            Assert.AreEqual(project1VM.Customer.Name, originalCustomer1Name);

            project1VM.UndoManager.RollbackTo(projectVMRollbackPoint);
            Assert.AreEqual(project1VM.Title, originalProject1Title);

            EmployeeVM.Projects.RemoveAt(0);

            EmployeeVM.Projects.Clear();

            EmployeeVM.UndoManager.RollbackTo(employeeVMRollbackPoint);

            Assert.AreEqual(originalEmployeeName, EmployeeVM.Name);
            CollectionAssert.AreEqual(expectedProjectVMColl, EmployeeVM.Projects);
        }