public async Task ReadSingleEntityReferenceLinkWorksAsExpected(ODataVersion version, string referenceLink)
{
// Arrange
string payload = "{" + // -> ResourceStart
"\"@odata.context\":\"http://localhost/$metadata#Customers/$entity\"," +
"\"CustomerID\": 7," +
referenceLink +
"}";
IEdmEntitySet customers = Model.EntityContainer.FindEntitySet("Customers");
Assert.NotNull(customers); // Guard
// Act
Func <ODataMessageReader, Task <ODataReader> > func = mr => mr.CreateODataResourceReaderAsync(customers, customers.EntityType());
ODataItemWrapper item = await ReadPayloadAsync(payload, Model, func, version);
// Assert
Assert.NotNull(item);
ODataResourceWrapper resource = Assert.IsType <ODataResourceWrapper>(item);
ODataNestedResourceInfoWrapper nestedResourceInfo = Assert.Single(resource.NestedResourceInfos);
Assert.Equal("Order", nestedResourceInfo.NestedResourceInfo.Name);
if (version == ODataVersion.V401)
{
// --- Resource
// |--- NestedResourceInfo (Order)
// |--- Resource
ODataResourceWrapper order = Assert.IsType <ODataResourceWrapper>(nestedResourceInfo.NestedResource);
Assert.Equal("http://svc/Orders(8)", order.Resource.Id.OriginalString);
Assert.Empty(order.Resource.Properties);
}
else
{
// --- Resource
// |--- NestedResourceInfo (Order)
// |--- EntityReferenceLink
ODataEntityReferenceLinkWrapper orderLink = Assert.IsType <ODataEntityReferenceLinkWrapper>(Assert.Single(nestedResourceInfo.NestedLinks));
Assert.Equal("http://svc/Orders(7)", orderLink.EntityReferenceLink.Url.OriginalString);
}
}
/// <summary>
/// Create <see cref="ODataResourceWrapper"/> from a <see cref="ODataEntityReferenceLinkWrapper"/>
/// </summary>
/// <param name="edmPropertyType">The Edm property type.</param>
/// <param name="refLink">The reference link.</param>
/// <param name="readContext">The reader context.</param>
/// <returns>The created <see cref="ODataResourceSetWrapper"/>.</returns>
private static ODataResourceWrapper CreateResourceWrapper(IEdmTypeReference edmPropertyType, ODataEntityReferenceLinkWrapper refLink, ODataDeserializerContext readContext)
{
Contract.Assert(edmPropertyType != null);
Contract.Assert(refLink != null);
Contract.Assert(readContext != null);
ODataResource resource = new ODataResource
{
TypeName = edmPropertyType.FullName(),
};
resource.Properties = CreateKeyProperties(refLink.EntityReferenceLink.Url, readContext) ?? Array.Empty <ODataProperty>();
ODataResourceWrapper resourceWrapper = new ODataResourceWrapper(resource);
foreach (var instanceAnnotation in refLink.EntityReferenceLink.InstanceAnnotations)
{
resource.InstanceAnnotations.Add(instanceAnnotation);
}
return(resourceWrapper);
}