public async Task ReadDeletedLinkInDeltaResourceSetWorksAsExpected2()
{
// Arrange
string payload = "{\"@context\":\"http://example.com/$metadata#Customers/$delta\"," +
"\"value\":[" +
"{" +
"\"@removed\":{\"reason\":\"changed\"}," +
"\"CustomerID\":1," +
"\"Order@delta\":{" +
"\"@context\":\"#Orders/$deletedEntity\"," +
"\"@removed\":{\"reason\":\"deleted\"}," +
"\"OrderId\":10" +
"}" +
"}" +
"]" +
"}";
IEdmEntitySet customers = Model.EntityContainer.FindEntitySet("Customers");
Assert.NotNull(customers); // Guard
// Act
Func <ODataMessageReader, Task <ODataReader> > func = mr => mr.CreateODataDeltaResourceSetReaderAsync(customers, customers.EntityType());
ODataItemWrapper item = await ReadPayloadAsync(payload, Model, func, ODataVersion.V401);
// Assert
Assert.NotNull(item);
// --- DeltaResourceSet
// |--- DeleteResource (Changed)
// |--- NestedResourceInfo
// |--- DeleteResource (Deleted)
ODataDeltaResourceSetWrapper deltaResourceSet = Assert.IsType <ODataDeltaResourceSetWrapper>(item);
ODataItemWrapper deltaItem = Assert.Single(deltaResourceSet.DeltaItems);
ODataResourceWrapper deletedResourceWrapper = Assert.IsType <ODataResourceWrapper>(deltaItem);
ODataDeletedResource deletedResource = Assert.IsType <ODataDeletedResource>(deletedResourceWrapper.Resource);
Assert.Equal(DeltaDeletedEntryReason.Changed, deletedResource.Reason);
ODataNestedResourceInfoWrapper nestedResourceInfo = Assert.Single(deletedResourceWrapper.NestedResourceInfos);
Assert.Equal("Order", nestedResourceInfo.NestedResourceInfo.Name);
Assert.False(nestedResourceInfo.NestedResourceInfo.IsCollection);
ODataItemWrapper nestedItem = Assert.Single(nestedResourceInfo.NestedItems);
ODataResourceWrapper orderResource = Assert.IsType <ODataResourceWrapper>(nestedItem);
Assert.True(orderResource.IsDeletedResource);
ODataDeletedResource innerDeletedResource = Assert.IsType <ODataDeletedResource>(orderResource.Resource);
Assert.Equal(DeltaDeletedEntryReason.Deleted, innerDeletedResource.Reason);
ODataProperty property = Assert.Single(innerDeletedResource.Properties);
Assert.Equal("OrderId", property.Name);
Assert.Equal(10, property.Value);
}
public async Task ReadResourceSetWithNestedResourceSetWorksAsExpected()
{
// Arrange
const string payload =
"{" +
"\"@odata.context\":\"http://localhost/$metadata#Customers\"," +
"\"value\": [" +
"{" +
"\"CustomerID\": 7," +
"\"Location\": { \"Street\":\"154TH AVE\"}," +
"\"Order\": {\"OrderId\": 8, \"Price\": 82 }," +
"\"Orders\": [" +
"{\"OrderId\": 8, \"Price\": 82 }," +
"{\"@odata.type\": \"#NS.VipOrder\",\"OrderId\": 9, \"Price\": 42, \"Email\": \"[email protected]\" }" +
"]" +
"}" +
"]" +
"}";
IEdmEntitySet customers = Model.EntityContainer.FindEntitySet("Customers");
Assert.NotNull(customers); // Guard
// Act
Func <ODataMessageReader, Task <ODataReader> > func = mr => mr.CreateODataResourceSetReaderAsync(customers, customers.EntityType());
ODataItemWrapper item = await ReadPayloadAsync(payload, Model, func);
// Assert
Assert.NotNull(item);
ODataResourceSetWrapper resourceSet = Assert.IsType <ODataResourceSetWrapper>(item);
ODataResourceWrapper resource = Assert.Single(resourceSet.Resources);
Assert.Equal(new[] { "Location", "Order", "Orders" }, resource.NestedResourceInfos.Select(n => n.NestedResourceInfo.Name));
ODataNestedResourceInfoWrapper orders = resource.NestedResourceInfos.First(n => n.NestedResourceInfo.Name == "Orders");
Assert.Null(orders.NestedResource); // not a child resource
Assert.Null(orders.NestedLinks); // not a child reference link(s)
Assert.NotNull(orders.NestedResourceSet);
ODataResourceSetWrapper ordersSet = Assert.IsType <ODataResourceSetWrapper>(orders.NestedResourceSet);
Assert.Equal(2, ordersSet.Resources.Count);
Assert.Collection(ordersSet.Resources,
r =>
{
Assert.Equal("NS.Order", r.Resource.TypeName);
Assert.Equal(82, r.Resource.Properties.First(p => p.Name == "Price").Value);
},
r =>
{
Assert.Equal("NS.VipOrder", r.Resource.TypeName);
Assert.Equal("*****@*****.**", r.Resource.Properties.First(p => p.Name == "Email").Value);
});
}
public async Task ReadEntityReferenceLinksSetWorksAsExpected_V401()
{
// Arrange
string payload = "{" + // -> ResourceStart
"\"@odata.context\":\"http://localhost/$metadata#Customers/$entity\"," +
"\"CustomerID\": 7," +
"\"Orders\":[" + // -> NestedResourceInfoStart
"{ \"@id\": \"http://svc/Orders(2)\" }," +
"{ \"@id\": \"http://svc/Orders(3)\" }," +
"{ \"@id\": \"http://svc/Orders(4)\" }" +
"]" +
"}";
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, ODataVersion.V401);
// Assert
Assert.NotNull(item);
// --- Resource
// |--- NestedResourceInfo
// |--- NestedResourceSet
// |--- Resource (2)
// |--- Resource (3)
// |--- Resource (4)
ODataResourceWrapper resource = Assert.IsType <ODataResourceWrapper>(item);
ODataNestedResourceInfoWrapper nestedResourceInfo = Assert.Single(resource.NestedResourceInfos);
Assert.Equal("Orders", nestedResourceInfo.NestedResourceInfo.Name);
Assert.True(nestedResourceInfo.NestedResourceInfo.IsCollection);
ODataResourceSetWrapper ordersResourceSet = Assert.IsType <ODataResourceSetWrapper>(nestedResourceInfo.NestedResourceSet);
Assert.Equal(3, ordersResourceSet.Resources.Count);
Assert.Collection(ordersResourceSet.Resources,
r =>
{
Assert.Equal("http://svc/Orders(2)", r.Resource.Id.OriginalString);
},
r =>
{
Assert.Equal("http://svc/Orders(3)", r.Resource.Id.OriginalString);
},
r =>
{
Assert.Equal("http://svc/Orders(4)", r.Resource.Id.OriginalString);
});
}
public static void WriteNestedResourceInfo(ODataWriter writer, ODataNestedResourceInfoWrapper nestedResourceInfo)
{
writer.WriteStart(nestedResourceInfo.NestedResourceInfo);
if (nestedResourceInfo.NestedResourceOrResourceSet != null)
{
WriteItem(writer, nestedResourceInfo.NestedResourceOrResourceSet);
}
writer.WriteEnd();
}
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);
}
}
public async Task ReadDeltaResourceSetWorksAsExpected()
{
// Arrange
string payload = "{\"@context\":\"http://example.com/$metadata#Customers/$delta\"," +
"\"value\":[" +
"{" +
"\"@removed\":{\"reason\":\"changed\"}," +
"\"CustomerID\":1," +
"\"Orders@delta\":[" +
"{" +
"\"@removed\":{\"reason\":\"deleted\"}," +
"\"OrderId\":10" +
"}," +
"{" +
"\"@type\":\"#NS.VipOrder\"," +
"\"OrderId\":9," +
"\"Email\":\"[email protected]\"" +
"}" +
"]" +
"}" +
"]" +
"}";
IEdmEntitySet customers = Model.EntityContainer.FindEntitySet("Customers");
Assert.NotNull(customers); // Guard
// Act
Func <ODataMessageReader, Task <ODataReader> > func = mr => mr.CreateODataDeltaResourceSetReaderAsync(customers, customers.EntityType());
ODataItemWrapper item = await ReadPayloadAsync(payload, Model, func, ODataVersion.V401);
// Assert
Assert.NotNull(item);
// --- DeltaResourceSet
// |--- DeleteResource (1)
// |--- NestedResourceInfo (1-1)
// |--- DeltaResourceSet
// |--- DelteResource
// |--- Normal Resource
ODataDeltaResourceSetWrapper deltaResourceSet = Assert.IsType <ODataDeltaResourceSetWrapper>(item);
ODataResourceBaseWrapper resourceBase = Assert.Single(deltaResourceSet.ResourceBases);
ODataDeletedResourceWrapper deletedResource = Assert.IsType <ODataDeletedResourceWrapper>(resourceBase);
Assert.Equal(DeltaDeletedEntryReason.Changed, deletedResource.DeletedResource.Reason);
ODataNestedResourceInfoWrapper nestedResourceInfo = Assert.Single(deletedResource.NestedResourceInfos);
Assert.Equal("Orders", nestedResourceInfo.NestedResourceInfo.Name);
Assert.True(nestedResourceInfo.NestedResourceInfo.IsCollection);
ODataDeltaResourceSetWrapper ordersDeltaResourceSet = Assert.IsType <ODataDeltaResourceSetWrapper>(nestedResourceInfo.NestedResourceSet);
Assert.Equal(2, ordersDeltaResourceSet.ResourceBases.Count);
ODataDeletedResourceWrapper deletedResource1 = Assert.IsType <ODataDeletedResourceWrapper>(ordersDeltaResourceSet.ResourceBases.ElementAt(0));
Assert.Equal(DeltaDeletedEntryReason.Deleted, deletedResource1.DeletedResource.Reason);
ODataResourceWrapper resource2 = Assert.IsType <ODataResourceWrapper>(ordersDeltaResourceSet.ResourceBases.ElementAt(1));
Assert.Equal("NS.VipOrder", resource2.Resource.TypeName);
Assert.Collection(resource2.Resource.Properties,
p =>
{
Assert.Equal("OrderId", p.Name);
Assert.Equal(9, p.Value);
},
p =>
{
Assert.Equal("Email", p.Name);
Assert.Equal("*****@*****.**", p.Value);
});
}
public static void TestReadResource()
{
string requestData = @"{
""@odata.type"": ""#NS.Customer"",
""*****@*****.**"": ""Cloud"",
""DisplayName"": ""Group Display Name"",
""*****@*****.**"": ""Cloud"",
""AssignedLabels"": [
{
""City"": ""City1"",
""Street"": ""Street1""
}
]
}";
Dictionary <string, string> headers = new Dictionary <string, string>();
headers.Add("Content-Type", "application/json;odata.metadata=minima;odata.streaming=true");
headers.Add("Accept", "application/json");
ODataMessageReaderSettings readerSettings = new ODataMessageReaderSettings
{
BaseUri = new Uri("http://localhost"),
ShouldIncludeAnnotation = s => true
};
//ODataResourceWrapper topLevelResource = null;
ODataItemWrapper topLevel = null, currentItem = null;
IEdmModel model = EdmModelBuilder.GetEdmModel();
IEdmEntitySet customers = model.EntityContainer.FindEntitySet("Customers");
// ODataResource resource = null;
using (MemoryStream ms = new MemoryStream(Encoding.GetEncoding("iso-8859-1").GetBytes(requestData)))
{
ODataMessageWrapper requestMessage = new ODataMessageWrapper(ms);
ODataMessageReader messageReader = new ODataMessageReader((IODataRequestMessage)requestMessage, readerSettings, model);
Stack <ODataItemWrapper> resStack = new Stack <ODataItemWrapper>();
ODataReader odataReader = messageReader.CreateODataResourceReader(customers, customers.EntityType());
while (odataReader.Read())
{
Console.WriteLine(odataReader.State);
switch (odataReader.State)
{
case ODataReaderState.ResourceStart:
ODataResourceWrapper newResource = new ODataResourceWrapper();
newResource.Resource = odataReader.Item as ODataResource;
resStack.TryPeek(out currentItem);
if (currentItem == null)
{
// TopLevel, do nothing
Debug.Assert(topLevel == null);
topLevel = newResource;
}
else
{
currentItem.Append(newResource);
}
resStack.Push(newResource);
break;
case ODataReaderState.ResourceSetStart:
ODataResourceSet resourceSet = (ODataResourceSet)odataReader.Item;
ODataResourceSetWrapper setWrapper = new ODataResourceSetWrapper
{
ResourceSet = resourceSet
};
resStack.TryPeek(out currentItem);
if (currentItem == null)
{
// TopLevel, do nothing
Debug.Assert(topLevel == null);
topLevel = setWrapper;
}
else
{
currentItem.Append(setWrapper);
}
resStack.Push(setWrapper);
break;
case ODataReaderState.NestedResourceInfoStart:
resStack.TryPeek(out currentItem);
Debug.Assert(currentItem != null);
ODataItem item = odataReader.Item;
ODataNestedResourceInfoWrapper infoWrapper = new ODataNestedResourceInfoWrapper
{
NestedInfo = item as ODataNestedResourceInfo
};
currentItem.Append(infoWrapper);
resStack.Push(infoWrapper);
break;
case ODataReaderState.ResourceEnd:
//currWrapper = resStack.Peek();
//currWrapper.Resource = (ODataResource)odataReader.Item;
resStack.Pop();
break;
case ODataReaderState.ResourceSetEnd:
resStack.Pop();
break;
case ODataReaderState.NestedResourceInfoEnd:
item = odataReader.Item;
resStack.Pop();
break;
}
}
}
if (topLevel == null)
{
return;
}
ODataResourceWrapper topLevelResource = topLevel as ODataResourceWrapper;
if (topLevelResource != null)
{
foreach (var a in topLevelResource.Resource.Properties)
{
Console.WriteLine(a.Name + ": " + a.Value);
}
foreach (var a in topLevelResource.NestedResourceInfos)
{
Console.WriteLine(a.NestedInfo.Name);
ODataResourceSetWrapper setWrapper = a.NestedWrapper as ODataResourceSetWrapper;
ODataResourceWrapper resourceWrapper = a.NestedWrapper as ODataResourceWrapper;
if (resourceWrapper != null)
{
foreach (var prop in resourceWrapper.Resource.Properties)
{
Console.WriteLine(prop.Name + ": " + prop.Value);
}
}
}
}
}