本文整理汇总了C#中DataServiceContext.BeginGetReadStream方法的典型用法代码示例。如果您正苦于以下问题：C# DataServiceContext.BeginGetReadStream方法的具体用法？C# DataServiceContext.BeginGetReadStream怎么用？C# DataServiceContext.BeginGetReadStream使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类DataServiceContext的用法示例。
在下文中一共展示了DataServiceContext.BeginGetReadStream方法的3个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: NamedSteams_VerifyGetReadStreamVersion
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);
}
});
}示例2: VerifyMissingLinkQueryScenario
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");
}
}
});
}示例3: NamedStreams_TestPublicAPIParameters
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());
//.........这里部分代码省略.........