/// <summary>
/// Verifies the default stream.
/// </summary>
/// <param name="dataContext">The data context.</param>
/// <param name="queryEntityValue">The query entity value.</param>
/// <param name="ed">The entity descriptor.</param>
/// <param name="continuation">The stream descriptor continuation.</param>
private void VerifyDefaultStream(DataServiceContext dataContext, QueryStructuralValue queryEntityValue, EntityDescriptor ed, IAsyncContinuation continuation)
{
var expectedStreamValue = queryEntityValue.GetDefaultStreamValue();
this.VerifyStreamDescriptorValues(expectedStreamValue, null, null, ed.StreamETag, ed.EditStreamUri, ed.ReadStreamUri);
var expectedReadStreamUri = GetExpectedReadStreamUri(expectedStreamValue);
Uri readStreamUri = dataContext.GetReadStreamUri(ed.Entity);
this.Assert.AreEqual(expectedReadStreamUri, readStreamUri, "Read stream uri did not match for default stream");
dataContext.GetReadStream(
continuation,
this.isAsynchronous,
ed.Entity,
null,
new DataServiceRequestArgs()
{
},
response =>
{
UpdateStreamValueFromHeaders(expectedStreamValue, response);
this.VerifyStreamDescriptorValues(expectedStreamValue, null, null, ed.StreamETag, ed.EditStreamUri, ed.ReadStreamUri);
// skip this verification when using payload driven verification since we don't have the expected content for streams
if (!this.DataProviderSettings.UsePayloadDrivenVerification)
{
this.Assert.IsTrue(this.VerifyStreams(expectedStreamValue, response), "Failed to compare the default stream");
}
continuation.Continue();
});
}
/// <summary>
/// Verifies the named streams.
/// </summary>
/// <param name="dataContext">The data context.</param>
/// <param name="queryEntityValue">The query entity value.</param>
/// <param name="streamProperty">The stream property.</param>
/// <param name="ed">The entity descriptor</param>
/// <param name="continuation">The stream descriptor continuation.</param>
private void VerifyNamedStreams(DataServiceContext dataContext, QueryStructuralValue queryEntityValue, QueryProperty streamProperty, EntityDescriptor ed, IAsyncContinuation continuation)
{
var expectedStreamValue = queryEntityValue.GetStreamValue(streamProperty.Name);
var streamDescriptor = ed.StreamDescriptors.SingleOrDefault(s => s.StreamLink.Name == streamProperty.Name);
this.Assert.IsNotNull(streamDescriptor, "Entity missing stream descriptor for stream '{0}'", streamProperty.Name);
this.VerifyStreamLink(expectedStreamValue, streamDescriptor.StreamLink);
var expectedReadStreamUri = GetExpectedReadStreamUri(expectedStreamValue);
Uri readStreamUri = dataContext.GetReadStreamUri(ed.Entity, streamProperty.Name);
this.Assert.AreEqual(expectedReadStreamUri, readStreamUri, "Read stream uri did not match for stream '{0}'", streamProperty.Name);
dataContext.GetReadStream(
continuation,
this.isAsynchronous,
ed.Entity,
streamProperty.Name,
new DataServiceRequestArgs()
{
},
response =>
{
UpdateStreamValueFromHeaders(expectedStreamValue, response);
this.VerifyStreamLink(expectedStreamValue, streamDescriptor.StreamLink);
// skip this verification when using payload driven verification since we don't have the expected content for streams
if (!this.DataProviderSettings.UsePayloadDrivenVerification)
{
this.Assert.IsTrue(this.VerifyStreams(expectedStreamValue, response), "Failed to compare value of stream '{0}'", streamProperty.Name);
}
continuation.Continue();
});
}
/// <summary>
/// Extension method to perform sync/async version of DataServiceContext.GetReadStream dynamically
/// </summary>
/// <param name="context">The context to call get read stream on</param>
/// <param name="continuation">The asynchronous continuation</param>
/// <param name="async">A value indicating whether or not to use async API</param>
/// <param name="entity">The entity to get the read stream for</param>
/// <param name="streamName">The name of the stream or null to indicate the default stream</param>
/// <param name="args">The args to the request</param>
/// <param name="onCompletion">A callback for when the call completes</param>
public static void GetReadStream(this DataServiceContext context, IAsyncContinuation continuation, bool async, object entity, string streamName, DataServiceRequestArgs args, Action <DataServiceStreamResponse> onCompletion)
{
ExceptionUtilities.CheckArgumentNotNull(context, "context");
if (streamName == null)
{
AsyncHelpers.InvokeSyncOrAsyncMethodCall <DataServiceStreamResponse>(continuation, async, () => context.GetReadStream(entity, args), c => context.BeginGetReadStream(entity, args, c, null), r => context.EndGetReadStream(r), onCompletion);
}
else
{
AsyncHelpers.InvokeSyncOrAsyncMethodCall <DataServiceStreamResponse>(continuation, async, () => context.GetReadStream(entity, streamName, args), c => context.BeginGetReadStream(entity, streamName, args, c, null), r => context.EndGetReadStream(r), onCompletion);
}
}
/// <summary>
/// Extension method to perform sync/async version of DataServiceContext.GetReadStream dynamically
/// </summary>
/// <param name="context">The context to call get read stream on</param>
/// <param name="continuation">The asynchronous continuation</param>
/// <param name="async">A value indicating whether or not to use async API</param>
/// <param name="entity">The entity to get the read stream for</param>
/// <param name="streamName">The name of the stream or null to indicate the default stream</param>
/// <param name="args">The args to the request</param>
/// <param name="onCompletion">A callback for when the call completes</param>
public static void GetReadStream(this DataServiceContext context, IAsyncContinuation continuation, bool async, object entity, string streamName, DataServiceRequestArgs args, Action <DataServiceStreamResponse> onCompletion)
{
ExceptionUtilities.CheckArgumentNotNull(context, "context");
if (streamName == null)
{
AsyncHelpers.InvokeSyncOrAsyncMethodCall <DataServiceStreamResponse>(continuation, async, () => context.GetReadStream(entity, args), c => context.BeginGetReadStream(entity, args, c, null), r => context.EndGetReadStream(r), onCompletion);
}
else
{
#if WINDOWS_PHONE
throw new TaupoNotSupportedException("Named streams are not supported on Windows Phone yet");
#else
AsyncHelpers.InvokeSyncOrAsyncMethodCall <DataServiceStreamResponse>(continuation, async, () => context.GetReadStream(entity, streamName, args), c => context.BeginGetReadStream(entity, streamName, args, c, null), r => context.EndGetReadStream(r), onCompletion);
#endif
}
}
public void VerifyMissingLinkQueryScenario()
{
// Make sure the query scenarios fail, when self/edit links for named stream is missing
TestUtil.RunCombinations(
UnitTestsUtil.BooleanValues,
UnitTestsUtil.BooleanValues,
UnitTestsUtil.BooleanValues,
(syncRead, hasSelfLink, hasEditLink) =>
{
using (PlaybackService.OverridingPlayback.Restore())
{
DataServiceContext context = new DataServiceContext(request.ServiceRoot, ODataProtocolVersion.V4);
context.EnableAtom = true;
string links = null;
string contentType = null;
string selfLink = null;
string editLink = null;
if (hasSelfLink)
{
selfLink = request.ServiceRoot + "/Customers(1)/SelfLink/Thumbnail";
links += GetNamedStreamSelfLink(selfLink);
}
if (hasEditLink)
{
editLink = request.ServiceRoot + "/Customers(1)/EditLink/Thumbnail";
contentType = MediaContentType;
links += GetNamedStreamEditLink(editLink, contentType);
}
string payload = AtomParserTests.AnyEntry(
id: Id,
selfLink: request.ServiceRoot.AbsoluteUri + "/selfLink/Customers(1)",
editLink: request.ServiceRoot.AbsoluteUri + "/editLink/Customers(1)",
properties: Properties,
links: links);
PlaybackService.OverridingPlayback.Value = PlaybackService.ConvertToPlaybackServicePayload(null, payload);
Customer c = context.Execute<Customer>(new Uri("/Customers(1)", UriKind.Relative)).Single();
PlaybackService.OverridingPlayback.Value = null;
EntityDescriptor ed = context.Entities.Single();
StreamDescriptor ns = null;
bool expectException = false;
if (!hasEditLink && !hasSelfLink)
{
expectException = true;
Assert.AreEqual(0, ed.StreamDescriptors.Count, "No named streams should be present");
}
else
{
ns = ed.StreamDescriptors.Single();
Assert.AreEqual(ns.StreamLink.SelfLink, selfLink, "self link must match");
Assert.AreEqual(ns.StreamLink.EditLink, editLink, "edit link must match");
Assert.AreEqual(ns.StreamLink.ContentType, contentType, "content type must match");
Assert.AreEqual(context.GetReadStreamUri(c, ns.StreamLink.Name).AbsoluteUri, ns.StreamLink.SelfLink != null ? ns.StreamLink.SelfLink.AbsoluteUri : ns.StreamLink.EditLink.AbsoluteUri,
"Make sure that context.GetReadStreamUri returns the self link if present, otherwise returns edit link");
}
try
{
if (syncRead)
{
context.GetReadStream(c, "Thumbnail", new DataServiceRequestArgs() { ContentType = "image/jpeg" });
}
else
{
IAsyncResult result = context.BeginGetReadStream(c, "Thumbnail", new DataServiceRequestArgs() { ContentType = "image/jpeg" }, (r) =>
{
context.EndGetReadStream(r);
},
null);
if (!result.CompletedSynchronously)
{
Assert.IsTrue(result.AsyncWaitHandle.WaitOne(new TimeSpan(0, 0, AstoriaUnitTests.TestConstants.MaxTestTimeout), false), "BeginExecute timeout");
}
}
Assert.IsTrue(!expectException, "should reach here when no exception is expected");
Assert.IsTrue(PlaybackService.LastPlayback.Contains("GET " + selfLink ?? editLink), "should use self link if present, otherwise editlink");
}
catch (ArgumentException ex)
{
Assert.IsTrue(expectException, "should get exception when expected");
ArgumentException expectedException = new ArgumentException(DataServicesClientResourceUtil.GetString("Context_EntityDoesNotContainNamedStream", "Thumbnail"), "name");
Assert.AreEqual(expectedException.Message, ex.Message, "Error message did not match");
Assert.AreEqual(0, ed.StreamDescriptors.Count, "No named streams should be present");
}
}
});
}
public void NamedSteams_VerifyGetReadStreamVersion()
{
// Verify that GetReadStream for a named stream sends version 3 headers
// Populate the context with a single customer instance
string payload = AtomParserTests.AnyEntry(
id: Id,
editLink: request.ServiceRoot.AbsoluteUri + "/editLink/Customers(1)",
properties: Properties,
links: GetNamedStreamSelfLink(request.ServiceRoot + "/Customers(1)/SelfLink/Thumbnail", contentType: MediaContentType));
TestUtil.RunCombinations(UnitTestsUtil.BooleanValues, (syncRead) =>
{
using (PlaybackService.OverridingPlayback.Restore())
{
PlaybackService.OverridingPlayback.Value = PlaybackService.ConvertToPlaybackServicePayload(null, payload);
DataServiceContext context = new DataServiceContext(request.ServiceRoot, ODataProtocolVersion.V4);
context.EnableAtom = true;
DataServiceQuery<Customer> q = (DataServiceQuery<Customer>)context.CreateQuery<Customer>("Customers").Where(c1 => c1.ID == 1);
Customer c = ((IEnumerable<Customer>)DataServiceContextTestUtil.ExecuteQuery(context, q, QueryMode.AsyncExecute)).Single();
if (syncRead)
{
context.GetReadStream(c, "Thumbnail", new DataServiceRequestArgs() { ContentType = "img/jpeg" });
}
else
{
IAsyncResult result = context.BeginGetReadStream(c, "Thumbnail", new DataServiceRequestArgs() { ContentType = "image/jpeg" }, (r) =>
{
context.EndGetReadStream(r);
},
null);
if (!result.CompletedSynchronously)
{
Assert.IsTrue(result.AsyncWaitHandle.WaitOne(new TimeSpan(0, 0, AstoriaUnitTests.TestConstants.MaxTestTimeout), false), "BeginExecute timeout");
}
}
VerifyRequestWasVersion3(PlaybackService.LastPlayback);
}
});
}
public void NamedStreams_TestPublicAPIParameters()
{
// Test public api parameters
DataServiceContext context = new DataServiceContext(request.ServiceRoot, ODataProtocolVersion.V4);
#region GetReadStreamUri API
DataServiceContextTestUtil.CheckArgumentNull("entity", () =>
{
context.GetReadStreamUri(null, "Thumbnail");
});
DataServiceContextTestUtil.CheckArgumentNull("name", () =>
{
context.GetReadStreamUri(new Customer(), null);
});
DataServiceContextTestUtil.CheckArgumentEmpty("name", () =>
{
context.GetReadStreamUri(new Customer(), "");
});
DataServiceContextTestUtil.VerifyInvalidRequest(typeof(InvalidOperationException), "Context_EntityNotContained", () =>
{
context.GetReadStreamUri(new Customer(), "Thumbnail");
});
#endregion GetReadStreamUri API
#region BeginGetReadStream
DataServiceContextTestUtil.CheckArgumentNull("entity", () =>
{
context.BeginGetReadStream(null, "Thumbnail", new DataServiceRequestArgs(), null, null);
});
DataServiceContextTestUtil.CheckArgumentNull("name", () =>
{
context.BeginGetReadStream(new Customer(), null, new DataServiceRequestArgs(), null, null);
});
DataServiceContextTestUtil.CheckArgumentEmpty("name", () =>
{
context.BeginGetReadStream(new Customer(), "", new DataServiceRequestArgs(), null, null);
});
DataServiceContextTestUtil.CheckArgumentNull("args", () =>
{
context.BeginGetReadStream(new Customer(), "Thumbnail", null, null, null);
});
DataServiceContextTestUtil.VerifyInvalidRequest(typeof(InvalidOperationException), "Context_EntityNotContained", () =>
{
context.BeginGetReadStream(new Customer(), "Thumbnail", new DataServiceRequestArgs(), null, null);
});
#endregion BeginGetReadStream
#region GetReadStream
DataServiceContextTestUtil.CheckArgumentNull("entity", () =>
{
context.GetReadStream(null, "Thumbnail", new DataServiceRequestArgs());
});
DataServiceContextTestUtil.CheckArgumentNull("name", () =>
{
context.GetReadStream(new Customer(), null, new DataServiceRequestArgs());
});
DataServiceContextTestUtil.CheckArgumentEmpty("name", () =>
{
context.GetReadStream(new Customer(), "", new DataServiceRequestArgs());
});
DataServiceContextTestUtil.CheckArgumentNull("args", () =>
{
context.GetReadStream(new Customer(), "Thumbnail", null);
});
DataServiceContextTestUtil.VerifyInvalidRequest(typeof(InvalidOperationException), "Context_EntityNotContained", () =>
{
context.GetReadStream(new Customer(), "Thumbnail", new DataServiceRequestArgs());
});
#endregion GetReadStream
#region SetSaveStream
DataServiceContextTestUtil.CheckArgumentNull("entity", () =>
{
context.SetSaveStream(null, "Thumbnail", new MemoryStream(), true, new DataServiceRequestArgs());
});
DataServiceContextTestUtil.CheckArgumentNull("name", () =>
{
context.SetSaveStream(new Customer(), null, new MemoryStream(), true, new DataServiceRequestArgs());
});
DataServiceContextTestUtil.CheckArgumentEmpty("name", () =>
{
context.SetSaveStream(new Customer(), "", new MemoryStream(), true, new DataServiceRequestArgs());
});
DataServiceContextTestUtil.CheckArgumentNull("stream", () =>
{
context.SetSaveStream(new Customer(), "Thumbnail", null, true, new DataServiceRequestArgs());
});
DataServiceContextTestUtil.CheckArgumentNull("args", () =>
{
context.SetSaveStream(new Customer(), "Thumbnail", new MemoryStream(), true, (DataServiceRequestArgs)null);
});
DataServiceContextTestUtil.CheckArgumentNull("contentType", () =>
{
context.SetSaveStream(new Customer(), "Thumbnail", new MemoryStream(), true, (string)null);
});
DataServiceContextTestUtil.CheckArgumentEmpty("contentType", () =>
{
context.SetSaveStream(new Customer(), "Thumbnail", new MemoryStream(), true, string.Empty);
});
DataServiceContextTestUtil.VerifyInvalidRequest(typeof(InvalidOperationException), "Context_EntityNotContained", () =>
{
context.SetSaveStream(new Customer(), "Thumbnail", new MemoryStream(), true, "image/jpeg");
});
DataServiceContextTestUtil.CheckArgumentException("Context_ContentTypeRequiredForNamedStream", () =>
{
context.SetSaveStream(new Customer(), "Thumbnail", new MemoryStream(), true, new DataServiceRequestArgs());
}, "args");
DataServiceContextTestUtil.CheckArgumentException("Context_ContentTypeRequiredForNamedStream", () =>
{
context.SetSaveStream(new Customer(), "Thumbnail", new MemoryStream(), true, new DataServiceRequestArgs() { ContentType = string.Empty });
}, "args");
DataServiceContextTestUtil.VerifyInvalidRequest(typeof(InvalidOperationException), "Context_EntityNotContained", () =>
{
context.SetSaveStream(new Customer(), "Thumbnail", new MemoryStream(), true, new DataServiceRequestArgs() { ContentType = "image/jpg" });
});
#endregion SetSaveStream
}
public void Collection_Blobs()
{
DSPMetadata metadata = CreateMetadataForXFeatureEntity(true);
DSPServiceDefinition service = new DSPServiceDefinition() {
Metadata = metadata,
Writable = true,
SupportMediaResource = true,
MediaResourceStorage = new DSPMediaResourceStorage()
};
byte[] clientBlob = new byte[] { 0xcc, 0x10, 0x00, 0xff };
DSPContext data = new DSPContext();
service.CreateDataSource = (m) => { return data; };
using (TestWebRequest request = service.CreateForInProcessWcf())
using (DSPResourceWithCollectionProperty.CollectionPropertiesResettable.Restore())
{
DSPResourceWithCollectionProperty.CollectionPropertiesResettable.Value = true;
request.StartService();
XFeatureTestsMLE clientMle = new XFeatureTestsMLE() {
ID = 1,
Description = "Entity 1",
Strings = new List<string>(new string[] { "string 1", "string 2", string.Empty }),
Structs = new List<XFeatureTestsComplexType>(new XFeatureTestsComplexType[] {
new XFeatureTestsComplexType() { Text = "text 1" },
new XFeatureTestsComplexType() { Text = "text 2" }}) };
DataServiceContext ctx = new DataServiceContext(new Uri(request.BaseUri), ODataProtocolVersion.V4);
ctx.EnableAtom = true;
ctx.Format.UseAtom();
ctx.AddObject("Entities", clientMle);
ctx.SetSaveStream(clientMle, new MemoryStream(clientBlob), true, "application/octet-stream", clientMle.ID.ToString());
ctx.SaveChanges();
VerifyMLEs(service, clientMle, clientBlob);
// Read stream and verify stream contents
using (Stream serverStream = ctx.GetReadStream(clientMle).Stream)
{
VerifyStream(clientBlob, serverStream);
}
// modify MLE and the corresponding stream
clientMle.Structs.Add(new XFeatureTestsComplexType() { Text = "text 3" });
clientMle.Strings.RemoveAt(0);
clientBlob[0] ^= 0xff;
ctx.UpdateObject(clientMle);
ctx.SetSaveStream(clientMle, new MemoryStream(clientBlob), true, "application/octet-stream", clientMle.ID.ToString());
ctx.SaveChanges();
VerifyMLEs(service, clientMle, clientBlob);
// delete MLE
ctx.DeleteObject(clientMle);
ctx.SaveChanges();
Assert.IsNull((DSPResource)service.CurrentDataSource.GetResourceSetEntities("Entities").
FirstOrDefault(e => (int)(((DSPResource)e).GetValue("ID")) == (int)clientMle.GetType().GetProperty("ID").GetValue(clientMle, null)),
"MLE has not been deleted.");
Assert.AreEqual(0, service.MediaResourceStorage.Content.Count(), "The stream on the server has not been deleted.");
};
}
