public void PreferHeader_Server()
{
DSPMetadata metadata = PreferHeader_CreateMetadata();
TestUtil.RunCombinations(
new[] { typeof(IDataServiceHost), typeof(IDataServiceHost2) },
new[] { ODataProtocolVersion.V4 },
(hostInterfaceType, maxProtocolVersion) =>
{
DSPSelfmodifyingResource existingItem = new DSPSelfmodifyingResource(metadata.GetResourceType("Item"));
existingItem.SetRawValue("ID", 0);
existingItem.SetRawValue("ETagProperty", 1);
DSPSelfmodifyingResource existingStream = new DSPSelfmodifyingResource(metadata.GetResourceType("Stream"));
existingStream.SetRawValue("ID", 0);
existingStream.SetRawValue("ETagProperty", 1);
bool supportsMR = hostInterfaceType != typeof(IDataServiceHost);
DSPServiceDefinition service = this.PreferHeader_CreateService(metadata, existingItem, null, existingStream, null);
service.HostInterfaceType = hostInterfaceType;
service.DataServiceBehavior.MaxProtocolVersion = maxProtocolVersion;
using (TestWebRequest request = service.CreateForInProcess())
{
XDocument existingItemAtom = UnitTestsUtil.GetResponseAsAtomXLinq(request, "/Items(0)", "application/atom+xml,application/xml");
XDocument existingStreamAtom = !supportsMR ? null : UnitTestsUtil.GetResponseAsAtomXLinq(request, "/Streams(0)", "application/atom+xml,application/xml");
IEnumerable<string> httpMethods = new string[] { "POST", "POSTMR", "PUT", "PATCH" };
TestUtil.RunCombinations(
new string[] { null, "return=representation", "return=minimal", "ReTURN=RePrESenTaTioN", "foo" },
httpMethods,
new string[] { UnitTestsUtil.AtomFormat }, (preferHeader, httpMethod, format) =>
{
// Skip MR verification since we use MRs in that entity and as such the request would not work without support on the server
if (httpMethod == "POSTMR" && !supportsMR)
{
return;
}
service.ClearChanges();
request.RequestVersion = "4.0;";
request.RequestMaxVersion = "4.0;";
request.Accept = "application/atom+xml,application/xml";
request.RequestHeaders["Prefer"] = preferHeader;
XDocument existingAtom = httpMethod == "POSTMR" ? existingStreamAtom : existingItemAtom;
DSPSelfmodifyingResource existingResource = httpMethod == "POSTMR" ? existingStream : existingItem;
this.PreferHeader_SetupRequest(request, httpMethod, format, existingAtom, existingResource, (inputAtom) =>
{
var triggerModification = inputAtom.Root.Descendants(UnitTestsUtil.MetadataNamespace + "properties").First().Element(UnitTestsUtil.DataNamespace + "TriggerModification");
triggerModification.Attributes(UnitTestsUtil.MetadataNamespace + "null").Remove();
triggerModification.Value = "trigger" + existingItem.GetETag().Replace('"', '_');
});
bool serviceAllowsPreferHeader = hostInterfaceType == typeof(IDataServiceHost2);
bool? effectiveResponsePreference;
this.PreferHeader_ShouldContainResponseBody(request, serviceAllowsPreferHeader, out effectiveResponsePreference);
TestUtil.RunCatching(request.SendRequest);
DSPSelfmodifyingResource returnedItem;
if (httpMethod == "POST" || httpMethod == "POSTMR")
{
returnedItem = service.CurrentDataSource.GetResourceSetEntities(httpMethod == "POSTMR" ? "Streams" : "Items").OfType<DSPSelfmodifyingResource>().First(r => (int)r.GetValue("ID") == 1);
}
else
{
returnedItem = existingResource;
}
this.PreferHeader_VerifyResponse(request, request.ServiceRoot.ToString(), serviceAllowsPreferHeader, (response) =>
{
if (httpMethod != "POSTMR") // with POST MR the ETagProperty will not be updated since the payload didn't set any properties (it's just the stream)
{
string etagPropertyValue = returnedItem.GetValue("ETagProperty").ToString();
XElement etagPropertyElement = response.Root.Descendants(UnitTestsUtil.MetadataNamespace + "properties").First().Element(UnitTestsUtil.DataNamespace + "ETagProperty");
Assert.AreEqual(etagPropertyValue, etagPropertyElement.Value, "The updated value was not included in the response.");
}
});
Assert.AreEqual(returnedItem.GetETag(), request.ResponseETag, "The response ETag does not match the current ETag value on the server.");
});
}
});
}
