public void ProjectAsWrapper_NonCollection_ProjectedValueNullAndHandleNullPropagationFalse_Throws()
{
// Arrange
_settings.HandleNullPropagation = HandleNullPropagationOption.False;
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(null, typeof(Order));
// Act
Expression projection = _binder.ProjectAsWrapper(source, selectExpand, _model.Order);
// Assert
var e = Assert.Throws<TargetInvocationException>(
() => Expression.Lambda(projection).Compile().DynamicInvoke());
Assert.IsType<NullReferenceException>(e.InnerException);
}
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);
}
public void ProjectAsWrapper_NonCollection_ProjectedValueNullAndHandleNullPropagationTrue()
{
// Arrange
_settings.HandleNullPropagation = HandleNullPropagationOption.True;
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(null, typeof(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.Null(projectedOrder.Instance);
Assert.Null(projectedOrder.Container.ToDictionary()["Customer"]);
}
