public void ApplyNavigationProperty_Calls_ReadInlineOnEntry()
{
// Arrange
Mock <ODataEdmTypeDeserializer> supplierDeserializer = new Mock <ODataEdmTypeDeserializer>(ODataPayloadKind.Feed);
Mock <ODataDeserializerProvider> deserializerProvider = new Mock <ODataDeserializerProvider>();
var deserializer = new ODataEntityDeserializer(deserializerProvider.Object);
ODataNavigationLinkWithItems navigationLink = new ODataNavigationLinkWithItems(new ODataNavigationLink {
Name = "Supplier"
});
navigationLink.NestedItems.Add(new ODataEntryWithNavigationLinks(new ODataEntry()));
Product product = new Product();
Supplier supplier = new Supplier {
ID = 42
};
deserializerProvider.Setup(d => d.GetEdmTypeDeserializer(It.IsAny <IEdmTypeReference>())).Returns(supplierDeserializer.Object);
supplierDeserializer
.Setup(d => d.ReadInline(navigationLink.NestedItems[0], _productEdmType.FindNavigationProperty("Supplier").Type, _readContext))
.Returns(supplier).Verifiable();
// Act
deserializer.ApplyNavigationProperty(product, navigationLink, _productEdmType, _readContext);
// Assert
supplierDeserializer.Verify();
Assert.Equal(supplier, product.Supplier);
}
public void ApplyNavigationProperty_UsesThePropertyAlias_ForEntry()
{
// Arrange
CustomersModelWithInheritance model = new CustomersModelWithInheritance();
model.Model.SetAnnotationValue(model.Customer, new ClrTypeAnnotation(typeof(Customer)));
model.Model.SetAnnotationValue(model.Order, new ClrTypeAnnotation(typeof(Order)));
model.Model.SetAnnotationValue(
model.Order.FindProperty("Customer"),
new ClrPropertyInfoAnnotation(typeof(Order).GetProperty("AliasedCustomer")));
ODataEntry entry = new ODataEntry {
Properties = new[] { new ODataProperty {
Name = "ID", Value = 42
} }
};
Order order = new Order();
ODataNavigationLinkWithItems navLink =
new ODataNavigationLinkWithItems(new ODataNavigationLink {
Name = "Customer"
});
navLink.NestedItems.Add(new ODataEntryWithNavigationLinks(entry));
ODataDeserializerContext context = new ODataDeserializerContext {
Model = model.Model
};
// Act
new ODataEntityDeserializer(_deserializerProvider)
.ApplyNavigationProperty(order, navLink, model.Order.AsReference(), context);
// Assert
Assert.Equal(order.AliasedCustomer.ID, 42);
}
public void ApplyNavigationProperty_Calls_ReadInlineOnFeed()
{
// Arrange
IEdmCollectionTypeReference productsType = new EdmCollectionTypeReference(new EdmCollectionType(_productEdmType));
Mock <ODataEdmTypeDeserializer> productsDeserializer = new Mock <ODataEdmTypeDeserializer>(ODataPayloadKind.Feed);
Mock <ODataDeserializerProvider> deserializerProvider = new Mock <ODataDeserializerProvider>();
var deserializer = new ODataEntityDeserializer(deserializerProvider.Object);
ODataNavigationLinkWithItems navigationLink = new ODataNavigationLinkWithItems(new ODataNavigationLink {
Name = "Products"
});
navigationLink.NestedItems.Add(new ODataFeedWithEntries(new ODataFeed()));
Supplier supplier = new Supplier();
IEnumerable products = new[] { new Product {
ID = 42
} };
deserializerProvider.Setup(d => d.GetEdmTypeDeserializer(It.IsAny <IEdmTypeReference>())).Returns(productsDeserializer.Object);
productsDeserializer
.Setup(d => d.ReadInline(navigationLink.NestedItems[0], _supplierEdmType.FindNavigationProperty("Products").Type, _readContext))
.Returns(products).Verifiable();
// Act
deserializer.ApplyNavigationProperty(supplier, navigationLink, _supplierEdmType, _readContext);
// Assert
productsDeserializer.Verify();
Assert.Equal(1, supplier.Products.Count());
Assert.Equal(42, supplier.Products.First().ID);
}
public void ApplyNavigationProperty_ThrowsArgumentNull_EntityResource()
{
var deserializer = new ODataEntityDeserializer(_deserializerProvider);
ODataNavigationLinkWithItems navigationLink = new ODataNavigationLinkWithItems(new ODataNavigationLink());
Assert.ThrowsArgumentNull(
() => deserializer.ApplyNavigationProperty(entityResource: null, navigationLinkWrapper: navigationLink,
entityType: _productEdmType, readContext: _readContext),
"entityResource");
}
public void ApplyNavigationProperty_ThrowsODataException_NavigationPropertyNotfound()
{
var deserializer = new ODataEntityDeserializer(_deserializerProvider);
ODataNavigationLinkWithItems navigationLink = new ODataNavigationLinkWithItems(new ODataNavigationLink {
Name = "SomeProperty"
});
Assert.Throws <ODataException>(
() => deserializer.ApplyNavigationProperty(42, navigationLink, _productEdmType, _readContext),
"Cannot find navigation property 'SomeProperty' on the entity type 'ODataDemo.Product'.");
}
public void ApplyNavigationProperty_ThrowsODataException_WhenPatchingCollectionNavigationProperty()
{
var deserializer = new ODataEntityDeserializer(_deserializerProvider);
ODataNavigationLinkWithItems navigationLink = new ODataNavigationLinkWithItems(new ODataNavigationLink {
Name = "Products"
});
navigationLink.NestedItems.Add(new ODataFeedWithEntries(new ODataFeed()));
_readContext.ResourceType = typeof(Delta <Supplier>);
Assert.Throws <ODataException>(
() => deserializer.ApplyNavigationProperty(42, navigationLink, _supplierEdmType, _readContext),
"Cannot apply PATCH to navigation property 'Products' on entity type 'ODataDemo.Supplier'.");
}
/// <summary>
/// Deserializes the navigation property from <paramref name="navigationLinkWrapper"/> into <paramref name="entityResource"/>.
/// </summary>
/// <param name="entityResource">The object into which the navigation property should be read.</param>
/// <param name="navigationLinkWrapper">The navigation link.</param>
/// <param name="entityType">The entity type of the entity resource.</param>
/// <param name="readContext">The deserializer context.</param>
public virtual void ApplyNavigationProperty(object entityResource, ODataNavigationLinkWithItems navigationLinkWrapper,
IEdmEntityTypeReference entityType, ODataDeserializerContext readContext)
{
if (navigationLinkWrapper == null)
{
throw Error.ArgumentNull("navigationLinkWrapper");
}
if (entityResource == null)
{
throw Error.ArgumentNull("entityResource");
}
IEdmNavigationProperty navigationProperty = entityType.FindProperty(navigationLinkWrapper.NavigationLink.Name) as IEdmNavigationProperty;
if (navigationProperty == null)
{
throw new ODataException(
Error.Format(SRResources.NavigationPropertyNotfound, navigationLinkWrapper.NavigationLink.Name, entityType.FullName()));
}
foreach (ODataItemBase childItem in navigationLinkWrapper.NestedItems)
{
ODataEntityReferenceLinkBase entityReferenceLink = childItem as ODataEntityReferenceLinkBase;
if (entityReferenceLink != null)
{
// ignore links.
continue;
}
ODataFeedWithEntries feed = childItem as ODataFeedWithEntries;
if (feed != null)
{
ApplyFeedInNavigationProperty(navigationProperty, entityResource, feed, readContext);
continue;
}
// It must be entry by now.
ODataEntryWithNavigationLinks entry = (ODataEntryWithNavigationLinks)childItem;
if (entry != null)
{
ApplyEntryInNavigationProperty(navigationProperty, entityResource, entry, readContext);
}
}
}
public void ApplyNavigationProperty_UsesThePropertyAlias_ForFeed()
{
// Arrange
CustomersModelWithInheritance model = new CustomersModelWithInheritance();
model.Model.SetAnnotationValue(model.Customer, new ClrTypeAnnotation(typeof(Customer)));
model.Model.SetAnnotationValue(model.Order, new ClrTypeAnnotation(typeof(Order)));
model.Model.SetAnnotationValue(
model.Customer.FindProperty("Orders"),
new ClrPropertyInfoAnnotation(typeof(Customer).GetProperty("AliasedOrders")));
ODataFeedWithEntries feedWrapper = new ODataFeedWithEntries(new ODataFeed());
feedWrapper.Entries.Add(new ODataEntryWithNavigationLinks(
new ODataEntry {
Properties = new[] { new ODataProperty {
Name = "ID", Value = 42
} }
}));
Customer customer = new Customer();
ODataNavigationLinkWithItems navLink =
new ODataNavigationLinkWithItems(new ODataNavigationLink {
Name = "Orders"
});
navLink.NestedItems.Add(feedWrapper);
ODataDeserializerContext context = new ODataDeserializerContext {
Model = model.Model
};
// Act
new ODataEntityDeserializer(_deserializerProvider)
.ApplyNavigationProperty(customer, navLink, model.Customer.AsReference(), context);
// Assert
Assert.Equal(1, customer.AliasedOrders.Count());
Assert.Equal(42, customer.AliasedOrders[0].ID);
}
/// <summary>
/// Reads an ODataFeed or an ODataItem from the reader.
/// </summary>
/// <param name="reader">The OData reader to read from.</param>
/// <returns>The read feed or entry.</returns>
public static ODataItemBase ReadEntryOrFeed(ODataReader reader)
{
if (reader == null)
{
throw Error.ArgumentNull("odataReader");
}
ODataItemBase topLevelItem = null;
Stack<ODataItemBase> itemsStack = new Stack<ODataItemBase>();
while (reader.Read())
{
switch (reader.State)
{
case ODataReaderState.EntryStart:
ODataEntry entry = (ODataEntry)reader.Item;
ODataEntryWithNavigationLinks entryWrapper = null;
if (entry != null)
{
entryWrapper = new ODataEntryWithNavigationLinks(entry);
}
if (itemsStack.Count == 0)
{
Contract.Assert(entry != null, "The top-level entry can never be null.");
topLevelItem = entryWrapper;
}
else
{
ODataItemBase parentItem = itemsStack.Peek();
ODataFeedWithEntries parentFeed = parentItem as ODataFeedWithEntries;
if (parentFeed != null)
{
parentFeed.Entries.Add(entryWrapper);
}
else
{
ODataNavigationLinkWithItems parentNavigationLink = (ODataNavigationLinkWithItems)parentItem;
Contract.Assert(parentNavigationLink.NavigationLink.IsCollection == false, "Only singleton navigation properties can contain entry as their child.");
Contract.Assert(parentNavigationLink.NestedItems.Count == 0, "Each navigation property can contain only one entry as its direct child.");
parentNavigationLink.NestedItems.Add(entryWrapper);
}
}
itemsStack.Push(entryWrapper);
break;
case ODataReaderState.EntryEnd:
Contract.Assert(itemsStack.Count > 0 && (reader.Item == null || itemsStack.Peek().Item == reader.Item), "The entry which is ending should be on the top of the items stack.");
itemsStack.Pop();
break;
case ODataReaderState.NavigationLinkStart:
ODataNavigationLink navigationLink = (ODataNavigationLink)reader.Item;
Contract.Assert(navigationLink != null, "Navigation link should never be null.");
ODataNavigationLinkWithItems navigationLinkWrapper = new ODataNavigationLinkWithItems(navigationLink);
Contract.Assert(itemsStack.Count > 0, "Navigation link can't appear as top-level item.");
{
ODataEntryWithNavigationLinks parentEntry = (ODataEntryWithNavigationLinks)itemsStack.Peek();
parentEntry.NavigationLinks.Add(navigationLinkWrapper);
}
itemsStack.Push(navigationLinkWrapper);
break;
case ODataReaderState.NavigationLinkEnd:
Contract.Assert(itemsStack.Count > 0 && itemsStack.Peek().Item == reader.Item, "The navigation link which is ending should be on the top of the items stack.");
itemsStack.Pop();
break;
case ODataReaderState.FeedStart:
ODataFeed feed = (ODataFeed)reader.Item;
Contract.Assert(feed != null, "Feed should never be null.");
ODataFeedWithEntries feedWrapper = new ODataFeedWithEntries(feed);
if (itemsStack.Count > 0)
{
ODataNavigationLinkWithItems parentNavigationLink = (ODataNavigationLinkWithItems)itemsStack.Peek();
Contract.Assert(parentNavigationLink != null, "this has to be an inner feed. inner feeds always have a navigation link.");
Contract.Assert(parentNavigationLink.NavigationLink.IsCollection == true, "Only collection navigation properties can contain feed as their child.");
parentNavigationLink.NestedItems.Add(feedWrapper);
}
else
{
topLevelItem = feedWrapper;
}
itemsStack.Push(feedWrapper);
break;
case ODataReaderState.FeedEnd:
Contract.Assert(itemsStack.Count > 0 && itemsStack.Peek().Item == reader.Item, "The feed which is ending should be on the top of the items stack.");
itemsStack.Pop();
break;
case ODataReaderState.EntityReferenceLink:
ODataEntityReferenceLink entityReferenceLink = (ODataEntityReferenceLink)reader.Item;
Contract.Assert(entityReferenceLink != null, "Entity reference link should never be null.");
ODataEntityReferenceLinkBase entityReferenceLinkWrapper = new ODataEntityReferenceLinkBase(entityReferenceLink);
Contract.Assert(itemsStack.Count > 0, "Entity reference link should never be reported as top-level item.");
{
ODataNavigationLinkWithItems parentNavigationLink = (ODataNavigationLinkWithItems)itemsStack.Peek();
parentNavigationLink.NestedItems.Add(entityReferenceLinkWrapper);
}
break;
default:
Contract.Assert(false, "We should never get here, it means the ODataReader reported a wrong state.");
break;
}
}
Contract.Assert(reader.State == ODataReaderState.Completed, "We should have consumed all of the input by now.");
Contract.Assert(topLevelItem != null, "A top level entry or feed should have been read by now.");
return topLevelItem;
}
public void ApplyNavigationProperty_ThrowsODataException_NavigationPropertyNotfound()
{
var deserializer = new ODataEntityDeserializer(_deserializerProvider);
ODataNavigationLinkWithItems navigationLink = new ODataNavigationLinkWithItems(new ODataNavigationLink { Name = "SomeProperty" });
Assert.Throws<ODataException>(
() => deserializer.ApplyNavigationProperty(42, navigationLink, _productEdmType, _readContext),
"Cannot find navigation property 'SomeProperty' on the entity type 'ODataDemo.Product'.");
}
/// <summary>
/// Reads an ODataFeed or an ODataItem from the reader.
/// </summary>
/// <param name="reader">The OData reader to read from.</param>
/// <returns>The read feed or entry.</returns>
public static ODataItemBase ReadEntryOrFeed(ODataReader reader)
{
if (reader == null)
{
throw Error.ArgumentNull("odataReader");
}
ODataItemBase topLevelItem = null;
Stack <ODataItemBase> itemsStack = new Stack <ODataItemBase>();
while (reader.Read())
{
switch (reader.State)
{
case ODataReaderState.EntryStart:
ODataEntry entry = (ODataEntry)reader.Item;
ODataEntryWithNavigationLinks entryWrapper = null;
if (entry != null)
{
entryWrapper = new ODataEntryWithNavigationLinks(entry);
}
if (itemsStack.Count == 0)
{
Contract.Assert(entry != null, "The top-level entry can never be null.");
topLevelItem = entryWrapper;
}
else
{
ODataItemBase parentItem = itemsStack.Peek();
ODataFeedWithEntries parentFeed = parentItem as ODataFeedWithEntries;
if (parentFeed != null)
{
parentFeed.Entries.Add(entryWrapper);
}
else
{
ODataNavigationLinkWithItems parentNavigationLink = (ODataNavigationLinkWithItems)parentItem;
Contract.Assert(parentNavigationLink.NavigationLink.IsCollection == false, "Only singleton navigation properties can contain entry as their child.");
Contract.Assert(parentNavigationLink.NestedItems.Count == 0, "Each navigation property can contain only one entry as its direct child.");
parentNavigationLink.NestedItems.Add(entryWrapper);
}
}
itemsStack.Push(entryWrapper);
break;
case ODataReaderState.EntryEnd:
Contract.Assert(itemsStack.Count > 0 && (reader.Item == null || itemsStack.Peek().Item == reader.Item), "The entry which is ending should be on the top of the items stack.");
itemsStack.Pop();
break;
case ODataReaderState.NavigationLinkStart:
ODataNavigationLink navigationLink = (ODataNavigationLink)reader.Item;
Contract.Assert(navigationLink != null, "Navigation link should never be null.");
ODataNavigationLinkWithItems navigationLinkWrapper = new ODataNavigationLinkWithItems(navigationLink);
Contract.Assert(itemsStack.Count > 0, "Navigation link can't appear as top-level item.");
{
ODataEntryWithNavigationLinks parentEntry = (ODataEntryWithNavigationLinks)itemsStack.Peek();
parentEntry.NavigationLinks.Add(navigationLinkWrapper);
}
itemsStack.Push(navigationLinkWrapper);
break;
case ODataReaderState.NavigationLinkEnd:
Contract.Assert(itemsStack.Count > 0 && itemsStack.Peek().Item == reader.Item, "The navigation link which is ending should be on the top of the items stack.");
itemsStack.Pop();
break;
case ODataReaderState.FeedStart:
ODataFeed feed = (ODataFeed)reader.Item;
Contract.Assert(feed != null, "Feed should never be null.");
ODataFeedWithEntries feedWrapper = new ODataFeedWithEntries(feed);
if (itemsStack.Count > 0)
{
ODataNavigationLinkWithItems parentNavigationLink = (ODataNavigationLinkWithItems)itemsStack.Peek();
Contract.Assert(parentNavigationLink != null, "this has to be an inner feed. inner feeds always have a navigation link.");
Contract.Assert(parentNavigationLink.NavigationLink.IsCollection == true, "Only collection navigation properties can contain feed as their child.");
parentNavigationLink.NestedItems.Add(feedWrapper);
}
else
{
topLevelItem = feedWrapper;
}
itemsStack.Push(feedWrapper);
break;
case ODataReaderState.FeedEnd:
Contract.Assert(itemsStack.Count > 0 && itemsStack.Peek().Item == reader.Item, "The feed which is ending should be on the top of the items stack.");
itemsStack.Pop();
break;
case ODataReaderState.EntityReferenceLink:
ODataEntityReferenceLink entityReferenceLink = (ODataEntityReferenceLink)reader.Item;
Contract.Assert(entityReferenceLink != null, "Entity reference link should never be null.");
ODataEntityReferenceLinkBase entityReferenceLinkWrapper = new ODataEntityReferenceLinkBase(entityReferenceLink);
Contract.Assert(itemsStack.Count > 0, "Entity reference link should never be reported as top-level item.");
{
ODataNavigationLinkWithItems parentNavigationLink = (ODataNavigationLinkWithItems)itemsStack.Peek();
parentNavigationLink.NestedItems.Add(entityReferenceLinkWrapper);
}
break;
default:
Contract.Assert(false, "We should never get here, it means the ODataReader reported a wrong state.");
break;
}
}
Contract.Assert(reader.State == ODataReaderState.Completed, "We should have consumed all of the input by now.");
Contract.Assert(topLevelItem != null, "A top level entry or feed should have been read by now.");
return(topLevelItem);
}
public void ApplyNavigationProperty_UsesThePropertyAlias_ForEntry()
{
// Arrange
CustomersModelWithInheritance model = new CustomersModelWithInheritance();
model.Model.SetAnnotationValue(model.Customer, new ClrTypeAnnotation(typeof(Customer)));
model.Model.SetAnnotationValue(model.Order, new ClrTypeAnnotation(typeof(Order)));
model.Model.SetAnnotationValue(
model.Order.FindProperty("Customer"),
new ClrPropertyInfoAnnotation(typeof(Order).GetProperty("AliasedCustomer")));
ODataEntry entry = new ODataEntry { Properties = new[] { new ODataProperty { Name = "ID", Value = 42 } } };
Order order = new Order();
ODataNavigationLinkWithItems navLink =
new ODataNavigationLinkWithItems(new ODataNavigationLink { Name = "Customer" });
navLink.NestedItems.Add(new ODataEntryWithNavigationLinks(entry));
ODataDeserializerContext context = new ODataDeserializerContext { Model = model.Model };
// Act
new ODataEntityDeserializer(_deserializerProvider)
.ApplyNavigationProperty(order, navLink, model.Order.AsReference(), context);
// Assert
Assert.Equal(order.AliasedCustomer.ID, 42);
}
public void ApplyNavigationProperty_UsesThePropertyAlias_ForFeed()
{
// Arrange
CustomersModelWithInheritance model = new CustomersModelWithInheritance();
model.Model.SetAnnotationValue(model.Customer, new ClrTypeAnnotation(typeof(Customer)));
model.Model.SetAnnotationValue(model.Order, new ClrTypeAnnotation(typeof(Order)));
model.Model.SetAnnotationValue(
model.Customer.FindProperty("Orders"),
new ClrPropertyInfoAnnotation(typeof(Customer).GetProperty("AliasedOrders")));
ODataFeedWithEntries feedWrapper = new ODataFeedWithEntries(new ODataFeed());
feedWrapper.Entries.Add(new ODataEntryWithNavigationLinks(
new ODataEntry { Properties = new[] { new ODataProperty { Name = "ID", Value = 42 } } }));
Customer customer = new Customer();
ODataNavigationLinkWithItems navLink =
new ODataNavigationLinkWithItems(new ODataNavigationLink { Name = "Orders" });
navLink.NestedItems.Add(feedWrapper);
ODataDeserializerContext context = new ODataDeserializerContext { Model = model.Model };
// Act
new ODataEntityDeserializer(_deserializerProvider)
.ApplyNavigationProperty(customer, navLink, model.Customer.AsReference(), context);
// Assert
Assert.Equal(1, customer.AliasedOrders.Count());
Assert.Equal(42, customer.AliasedOrders[0].ID);
}
public void ApplyNavigationProperty_Calls_ReadInlineOnEntry()
{
// Arrange
Mock<ODataEdmTypeDeserializer> supplierDeserializer = new Mock<ODataEdmTypeDeserializer>(ODataPayloadKind.Feed);
Mock<ODataDeserializerProvider> deserializerProvider = new Mock<ODataDeserializerProvider>();
var deserializer = new ODataEntityDeserializer(deserializerProvider.Object);
ODataNavigationLinkWithItems navigationLink = new ODataNavigationLinkWithItems(new ODataNavigationLink { Name = "Supplier" });
navigationLink.NestedItems.Add(new ODataEntryWithNavigationLinks(new ODataEntry()));
Product product = new Product();
Supplier supplier = new Supplier { ID = 42 };
deserializerProvider.Setup(d => d.GetEdmTypeDeserializer(It.IsAny<IEdmTypeReference>())).Returns(supplierDeserializer.Object);
supplierDeserializer
.Setup(d => d.ReadInline(navigationLink.NestedItems[0], _productEdmType.FindNavigationProperty("Supplier").Type, _readContext))
.Returns(supplier).Verifiable();
// Act
deserializer.ApplyNavigationProperty(product, navigationLink, _productEdmType, _readContext);
// Assert
supplierDeserializer.Verify();
Assert.Equal(supplier, product.Supplier);
}
public void ApplyNavigationProperty_Calls_ReadInlineOnFeed()
{
// Arrange
IEdmCollectionTypeReference productsType = new EdmCollectionTypeReference(new EdmCollectionType(_productEdmType));
Mock<ODataEdmTypeDeserializer> productsDeserializer = new Mock<ODataEdmTypeDeserializer>(ODataPayloadKind.Feed);
Mock<ODataDeserializerProvider> deserializerProvider = new Mock<ODataDeserializerProvider>();
var deserializer = new ODataEntityDeserializer(deserializerProvider.Object);
ODataNavigationLinkWithItems navigationLink = new ODataNavigationLinkWithItems(new ODataNavigationLink { Name = "Products" });
navigationLink.NestedItems.Add(new ODataFeedWithEntries(new ODataFeed()));
Supplier supplier = new Supplier();
IEnumerable products = new[] { new Product { ID = 42 } };
deserializerProvider.Setup(d => d.GetEdmTypeDeserializer(It.IsAny<IEdmTypeReference>())).Returns(productsDeserializer.Object);
productsDeserializer
.Setup(d => d.ReadInline(navigationLink.NestedItems[0], _supplierEdmType.FindNavigationProperty("Products").Type, _readContext))
.Returns(products).Verifiable();
// Act
deserializer.ApplyNavigationProperty(supplier, navigationLink, _supplierEdmType, _readContext);
// Assert
productsDeserializer.Verify();
Assert.Equal(1, supplier.Products.Count());
Assert.Equal(42, supplier.Products.First().ID);
}
public void ApplyNavigationProperty_ThrowsODataException_WhenPatchingCollectionNavigationProperty()
{
var deserializer = new ODataEntityDeserializer(_deserializerProvider);
ODataNavigationLinkWithItems navigationLink = new ODataNavigationLinkWithItems(new ODataNavigationLink { Name = "Products" });
navigationLink.NestedItems.Add(new ODataFeedWithEntries(new ODataFeed()));
_readContext.ResourceType = typeof(Delta<Supplier>);
Assert.Throws<ODataException>(
() => deserializer.ApplyNavigationProperty(42, navigationLink, _supplierEdmType, _readContext),
"Cannot apply PATCH to navigation property 'Products' on entity type 'ODataDemo.Supplier'.");
}
/// <summary>
/// Deserializes the navigation property from <paramref name="navigationLinkWrapper"/> into <paramref name="entityResource"/>.
/// </summary>
/// <param name="entityResource">The object into which the navigation property should be read.</param>
/// <param name="navigationLinkWrapper">The navigation link.</param>
/// <param name="entityType">The entity type of the entity resource.</param>
/// <param name="readContext">The deserializer context.</param>
public virtual void ApplyNavigationProperty(object entityResource, ODataNavigationLinkWithItems navigationLinkWrapper,
IEdmEntityTypeReference entityType, ODataDeserializerContext readContext)
{
if (navigationLinkWrapper == null)
{
throw Error.ArgumentNull("navigationLinkWrapper");
}
if (entityResource == null)
{
throw Error.ArgumentNull("entityResource");
}
IEdmNavigationProperty navigationProperty = entityType.FindProperty(navigationLinkWrapper.NavigationLink.Name) as IEdmNavigationProperty;
if (navigationProperty == null)
{
throw new ODataException(
Error.Format(SRResources.NavigationPropertyNotfound, navigationLinkWrapper.NavigationLink.Name, entityType.FullName()));
}
foreach (ODataItemBase childItem in navigationLinkWrapper.NestedItems)
{
ODataEntityReferenceLinkBase entityReferenceLink = childItem as ODataEntityReferenceLinkBase;
if (entityReferenceLink != null)
{
// ignore links.
continue;
}
ODataFeedWithEntries feed = childItem as ODataFeedWithEntries;
if (feed != null)
{
ApplyFeedInNavigationProperty(navigationProperty, entityResource, feed, readContext);
continue;
}
// It must be entry by now.
ODataEntryWithNavigationLinks entry = (ODataEntryWithNavigationLinks)childItem;
if (entry != null)
{
ApplyEntryInNavigationProperty(navigationProperty, entityResource, entry, readContext);
}
}
}
public void ApplyNavigationProperty_ThrowsArgumentNull_EntityResource()
{
var deserializer = new ODataEntityDeserializer(_deserializerProvider);
ODataNavigationLinkWithItems navigationLink = new ODataNavigationLinkWithItems(new ODataNavigationLink());
Assert.ThrowsArgumentNull(
() => deserializer.ApplyNavigationProperty(entityResource: null, navigationLinkWrapper: navigationLink,
entityType: _productEdmType, readContext: _readContext),
"entityResource");
}