public SelectExpandBinderTest()
{
_settings = new ODataQuerySettings { HandleNullPropagation = HandleNullPropagationOption.False };
_model = new CustomersModelWithInheritance();
_model.Model.SetAnnotationValue<ClrTypeAnnotation>(_model.Customer, new ClrTypeAnnotation(typeof(Customer)));
_model.Model.SetAnnotationValue<ClrTypeAnnotation>(_model.SpecialCustomer, new ClrTypeAnnotation(typeof(SpecialCustomer)));
_context = new ODataQueryContext(_model.Model, typeof(Customer));
_binder = new SelectExpandBinder(_settings, new SelectExpandQueryOption("*", "", _context));
Customer customer = new Customer();
Order order = new Order { Customer = customer };
customer.Orders.Add(order);
_queryable = new[] { customer }.AsQueryable();
}
public void ProjectAsWrapper_NonCollection_ContainsRightInstance()
{
// Arrange
Order order = new Order();
SelectExpandClause selectExpand = new SelectExpandClause(new SelectItem[0], allSelected: true);
Expression source = Expression.Constant(order);
// Act
Expression projection = _binder.ProjectAsWrapper(source, selectExpand, _model.Order);
// Assert
SelectExpandWrapper<Order> projectedOrder = Expression.Lambda(projection).Compile().DynamicInvoke() as SelectExpandWrapper<Order>;
Assert.NotNull(projectedOrder);
Assert.Same(order, projectedOrder.Instance);
}
public void ProjectAsWrapper_Collection_ContainsRightInstance()
{
// Arrange
Order[] orders = new Order[] { new Order() };
SelectExpandClause selectExpand = new SelectExpandClause(new SelectItem[0], allSelected: true);
Expression source = Expression.Constant(orders);
// Act
Expression projection = _binder.ProjectAsWrapper(source, selectExpand, _model.Order);
// Assert
IEnumerable<SelectExpandWrapper<Order>> projectedOrders = Expression.Lambda(projection).Compile().DynamicInvoke() as IEnumerable<SelectExpandWrapper<Order>>;
Assert.NotNull(projectedOrders);
Assert.Same(orders[0], projectedOrders.Single().Instance);
}
public void ProjectAsWrapper_NullExpandedProperty_HasNullValueInProjectedWrapper()
{
// Arrange
Order order = new Order();
ExpandedNavigationSelectItem expandItem = new ExpandedNavigationSelectItem(
new ODataExpandPath(new NavigationPropertySegment(_model.Order.NavigationProperties().Single(), entitySet: _model.Customers)),
_model.Customers,
selectExpandOption: null);
SelectExpandClause selectExpand = new SelectExpandClause(new SelectItem[] { expandItem }, allSelected: true);
Expression source = Expression.Constant(order);
// Act
Expression projection = _binder.ProjectAsWrapper(source, selectExpand, _model.Order);
// Assert
SelectExpandWrapper<Order> projectedOrder = Expression.Lambda(projection).Compile().DynamicInvoke() as SelectExpandWrapper<Order>;
Assert.NotNull(projectedOrder);
Assert.Contains("Customer", projectedOrder.Container.ToDictionary().Keys);
Assert.Null(projectedOrder.Container.ToDictionary()["Customer"]);
}
public void ProjectAsWrapper_ProjectionContainsExpandedProperties()
{
// Arrange
Order order = new Order();
ExpandItem expandItem = new ExpandItem(new ODataPath(new NavigationPropertySegment(_model.Order.NavigationProperties().Single())), _model.Customers);
Expansion expansion = new Expansion(new[] { expandItem });
SelectExpandClause selectExpand = new SelectExpandClause(selection: null, expansion: expansion);
Expression source = Expression.Constant(order);
// Act
Expression projection = _binder.ProjectAsWrapper(source, selectExpand, _model.Order);
// Assert
SelectExpandWrapper<Order> projectedOrder = Expression.Lambda(projection).Compile().DynamicInvoke() as SelectExpandWrapper<Order>;
Assert.NotNull(projectedOrder);
Assert.Contains("Customer", projectedOrder.Container.ToDictionary().Keys);
}