public void GetValueOfSelectedItems_DoesNotLoadAllItems()
{
var vm = CreateUserVMWithItems();
vm.Groups.GetValue(x => x.SelectedItems);
ViewModelAssert.IsNotLoaded(vm.Groups, x => x.AllItems);
}
public void GetValueOfSelectedItem_DoesNotLoadAllItems()
{
var vm = CreateUserVMWithItems();
vm.Department.GetValue(x => x.SelectedItem);
ViewModelAssert.IsNotLoaded(vm.Department, x => x.AllItems);
}
public void SetSelectedSourceItems_DoesNotLoadAllItems()
{
var vm = CreateUserVMWithItems();
vm.Groups.Load(x => x.SelectedItems);
vm.Groups.SelectedSourceItems = new[] { Group1, Group3 };
ViewModelAssert.IsNotLoaded(vm.Groups, x => x.AllItems);
}
public void SetSelectedSourceItem_DoesNotLoadAllItems()
{
var vm = CreateUserVMWithItems();
vm.Department.Load(x => x.SelectedItem);
vm.Department.SelectedSourceItem = Department2;
ViewModelAssert.IsNotLoaded(vm.Department, x => x.AllItems);
}
public void Revalidate_DoesNotLoadAllItems()
{
var vm = CreateUserVMWithItems();
vm.Groups.Load(x => x.SelectedItems);
vm.Groups.Revalidate(ValidationScope.SelfAndLoadedDescendants);
ViewModelAssert.IsNotLoaded(vm.Groups, x => x.AllItems);
}
public void RefreshDescendants_DoesNotLoadUnloadedProperties()
{
var root = new RootVM();
root.RefreshDescendants(b => {
b.Descendant(x => x.Children)
.Properties(x => x.RefreshDetectionProperty);
});
ViewModelAssert.IsNotLoaded(root, x => x.Children);
}
public void AddChildToCollection_AfterRevalidateAllDescendantsHasBeenCalled_DoesLoadDescendantsOfNewChild()
{
VM.Revalidate(ValidationScope.SelfAndAllDescendants);
var newChild = new ChildVM {
Source = new ChildSource {
Items = new List <GrandchildSource> {
new GrandchildSource()
}
}
};
ViewModelAssert.IsNotLoaded(newChild, x => x.Items);
VM.GetValue(x => x.Children).Add(newChild);
ViewModelAssert.IsNotLoaded(newChild, x => x.Items);
}
public void RollbackTo_WhenCollectionLoadedAfterRollbackPoint_DoesNotClearCollection()
{
Employee employee = new Employee();
employee.Projects.Add(new Project());
EmployeeVM.InitializeFrom(employee);
IRollbackPoint rollbackPoint = EmployeeVM.UndoManager.GetRollbackPoint();
ViewModelAssert.IsNotLoaded(EmployeeVM, x => x.Projects);
EmployeeVM.Load(x => x.Projects);
Assert.AreEqual(1, EmployeeVM.Projects.Count);
EmployeeVM.UndoManager.RollbackTo(rollbackPoint);
ViewModelAssert.IsLoaded(EmployeeVM, x => x.Projects);
Assert.AreEqual(1, EmployeeVM.Projects.Count);
}
public void GetDescendants_WhenOnlyLoadedIsTrue_DoesNotLoadDescendants()
{
var unloadedProject = new ProjectVM();
var loadedProject = new ProjectVM();
var selectedCustomer = new CustomerVM();
var customerItem = new CustomerVM();
loadedProject.SetValue(x => x.SelectedCustomer, selectedCustomer);
loadedProject.GetValue(x => x.Customers).Add(customerItem);
var rootVM = new EmployeeVM();
var projects = rootVM.GetValue(x => x.Projects);
projects.Add(unloadedProject);
projects.Add(loadedProject);
var path = PathDefinition
.Empty
.Append((EmployeeVMDescriptor x) => x.Projects)
.Append((ProjectVMDescriptor x) => x.SelectedCustomer);
var descenantViewModels = path.GetLoadedDescendants(rootVM);
CollectionAssert.AreEquivalent(new[] { selectedCustomer }, descenantViewModels);
ViewModelAssert.IsNotLoaded(unloadedProject, x => x.SelectedCustomer);
path = PathDefinition
.Empty
.Append((EmployeeVMDescriptor x) => x.Projects)
.Append((ProjectVMDescriptor x) => x.Customers);
descenantViewModels = path.GetLoadedDescendants(rootVM);
CollectionAssert.AreEquivalent(new[] { customerItem }, descenantViewModels);
ViewModelAssert.IsNotLoaded(unloadedProject, x => x.Customers);
}
public void IsLoaded_WhenCacheIsPopulated_ReturnsTrue()
{
VM.Load(x => x.MappedProperty);
ViewModelAssert.IsLoaded(VM, x => x.MappedProperty);
}
public void IsLoaded_WhenCacheIsNotPopulated_ReturnsFalse()
{
ViewModelAssert.IsNotLoaded(VM, x => x.MappedProperty);
}