public void Bind_GeneratedExpression_ContainsExpandedObject()
{
// Arrange
SelectExpandQueryOption selectExpand = new SelectExpandQueryOption("Orders", "Orders,Orders($expand=Customer)", _context);
IPropertyMapper mapper = new IdentityPropertyMapper();
_model.Model.SetAnnotationValue(_model.Order, new DynamicPropertyDictionaryAnnotation(typeof(Order).GetProperty("OrderProperties")));
// Act
IQueryable queryable = SelectExpandBinder.Bind(_queryable, _settings, new DefaultAssembliesResolver(), selectExpand);
// Assert
IEnumerator enumerator = queryable.GetEnumerator();
Assert.True(enumerator.MoveNext());
var partialCustomer = Assert.IsAssignableFrom <SelectExpandWrapper <Customer> >(enumerator.Current);
Assert.False(enumerator.MoveNext());
Assert.Null(partialCustomer.Instance);
IEnumerable <SelectExpandWrapper <Order> > innerOrders = partialCustomer.Container
.ToDictionary(mapper)["Orders"] as IEnumerable <SelectExpandWrapper <Order> >;
Assert.NotNull(innerOrders);
SelectExpandWrapper <Order> partialOrder = innerOrders.Single();
Assert.Same(_queryable.First().Orders.First(), partialOrder.Instance);
object customer = partialOrder.Container.ToDictionary(mapper)["Customer"];
SelectExpandWrapper <Customer> innerInnerCustomer = Assert.IsAssignableFrom <SelectExpandWrapper <Customer> >(customer);
Assert.Same(_queryable.First(), innerInnerCustomer.Instance);
}
public void Bind_GeneratedExpression_DelegateCachingEnabled()
{
// Arrange
SelectExpandQueryOption selectExpand = new SelectExpandQueryOption("Orders", "Orders,Orders($expand=Customer)", _context);
IPropertyMapper mapper = new IdentityPropertyMapper();
_model.Model.SetAnnotationValue(_model.Order, new DynamicPropertyDictionaryAnnotation(typeof(Order).GetProperty("OrderProperties")));
var oldCacheExpirationTime = _settings.SelectExpandCacheExpirationTimeSeconds;
SelectExpandBinder.ResetCache();
_settings.SelectExpandCacheExpirationTimeSeconds = 10;
// Act
object result = SelectExpandBinder.Bind(_customer, _settings, selectExpand);
// Assert
Assert.Equal(SelectExpandBinder.DelegateCache.GetCount(), 1);
KeyValuePair <string, object> cachedKeyValuePair = SelectExpandBinder.DelegateCache.First();
Assert.IsAssignableFrom(typeof(Delegate), cachedKeyValuePair.Value);
// Cleanup
_settings.SelectExpandCacheExpirationTimeSeconds = oldCacheExpirationTime;
SelectExpandBinder.ResetCache();
}
public static object Bind(object entity, ODataQuerySettings settings, SelectExpandQueryOption selectExpandQuery)
{
Contract.Assert(entity != null);
SelectExpandBinder binder = new SelectExpandBinder(settings, selectExpandQuery);
return(binder.Bind(entity));
}
public static IQueryable Bind(IQueryable queryable, ODataQuerySettings settings, SelectExpandQueryOption selectExpandQuery)
{
Contract.Assert(queryable != null);
SelectExpandBinder binder = new SelectExpandBinder(settings, selectExpandQuery);
return(binder.Bind(queryable));
}
public void Bind_ReturnsIEdmObject_WithRightEdmType()
{
// Arrange
SelectExpandQueryOption selectExpand = new SelectExpandQueryOption(select: "ID", expand: null, context: _context);
// Act
IQueryable queryable = SelectExpandBinder.Bind(_queryable, _settings, new DefaultAssembliesResolver(), selectExpand);
// Assert
Assert.NotNull(queryable);
IEdmTypeReference edmType = _model.Model.GetEdmTypeReference(queryable.GetType());
Assert.NotNull(edmType);
Assert.True(edmType.IsCollection());
Assert.Same(_model.Customer, edmType.AsCollection().ElementType().Definition);
}
public void Bind_GeneratedExpression_CheckNullObjectWithinChainProjectionByKey()
{
// Arrange
SelectExpandQueryOption selectExpand = new SelectExpandQueryOption(null, "Orders($expand=Customer($select=City))", _context);
_model.Model.SetAnnotationValue(_model.Order, new DynamicPropertyDictionaryAnnotation(typeof(Order).GetProperty("OrderProperties")));
// Act
IQueryable queryable = SelectExpandBinder.Bind(_queryable, _settings, selectExpand);
// Assert
var unaryExpression = (UnaryExpression)((MethodCallExpression)queryable.Expression).Arguments.Single(a => a is UnaryExpression);
var expressionString = unaryExpression.Operand.ToString();
Assert.Contains("IsNull = (Convert(Param_1.Customer.ID) == null)", expressionString);
}
