public void SelectedItem_WhenNonExistingItemIsInitiallySelected_IsInvalid()
{
var vm = CreateUserVM(
allDepartments: new[] { Department1 },
selectedDepartment: Department2
);
ValidationAssert.IsValid(vm);
vm.Department.Load(x => x.SelectedItem);
ValidationAssert.IsInvalid(vm);
}
public void PropertyValidation_WhenConditionIsFalse_IsNotExecuted()
{
bool condition = true;
EmployeeVM vm = CreateVM(b => b
.When(args => condition)
.Check(x => x.Name)
.Custom(args => args.AddError("Test error"))
);
vm.Revalidate(ValidationScope.SelfAndAllDescendants);
ValidationAssert.IsInvalid(vm);
condition = false;
vm.Revalidate(ValidationScope.SelfAndAllDescendants);
ValidationAssert.IsValid(vm);
}
public void ViewModelCollectionValidation_WhenItemConditionIsFalse_IsNotExecuted()
{
ProjectVM project1 = new ProjectVM();
ProjectVM project2 = new ProjectVM();
EmployeeVM vm = CreateVM(b => b
.ValidateDescendant(x => x.Projects)
.When(args => args.Target == project2)
.CheckViewModel(args => args.AddError("Test error"))
);
vm.Projects.Add(project1);
vm.Projects.Add(project2);
vm.Revalidate(ValidationScope.SelfAndAllDescendants);
ValidationAssert.IsValid(project1);
ValidationAssert.IsInvalid(project2);
}
public void SetIsSelectedProperty_WhenSelectedItemGetsInvalid_CorrectlyUpdatesIsSelectedOfAllItems()
{
var vm = CreateUserVM(
allDepartments: new[] { Department1, Department2 },
selectedDepartment: DepartmentNotInSource
);
vm.Department.Load(x => x.SelectedItem);
ValidationAssert.IsInvalid(vm);
Department[] areSelected = vm
.Department
.AllItems
.Where(x => x.IsSelected)
.Select(x => x.Source)
.ToArray();
CollectionAssert.AreEquivalent(new[] { DepartmentNotInSource }, areSelected);
vm.Department.SelectedItem = vm
.Department
.AllItems
.Single(x => x.Source == Department1);
vm
.Department
.AllItems
.Where(x => x.Source == DepartmentNotInSource)
.Single()
.IsSelected = true;
areSelected = vm
.Department
.AllItems
.Where(x => x.IsSelected)
.Select(x => x.Source)
.ToArray();
Assert.AreEqual(1, areSelected.Length);
Assert.AreEqual(DepartmentNotInSource, areSelected[0]);
}
public void SetIsSelected_ToItemWhichCausesSelectedItemToGetInvalidAndBackToPreviousItem_CorrectlyUpdatesIsSelectedOfAllItems()
{
var vm = CreateUserVM(
allDepartments: new[] { Department1, Department2 },
selectedDepartment: DepartmentNotInSource
);
vm.Department.Load(x => x.SelectedItem);
ValidationAssert.IsInvalid(vm);
vm.Department.SelectedItem = vm
.Department
.AllItems
.Single(x => x.Source == Department1);
vm.Department.SelectedItem = vm
.Department
.AllItems
.Single(x => x.Source == DepartmentNotInSource);
vm
.Department
.AllItems
.Where(x => x.Source == Department1)
.Single()
.IsSelected = true;
Department[] areSelected = vm
.Department
.AllItems
.Where(x => x.IsSelected)
.Select(x => x.Source)
.ToArray();
Assert.AreEqual(1, areSelected.Length);
Assert.AreEqual(Department1, areSelected[0]);
}
