Ejemplo n.º 1
0
    public static void BasicHttp_Streamed_Async_Delayed_Request_Throws_TimeoutException()
    {
        BasicHttpBinding binding = null;
        ChannelFactory<IWcfService> factory = null;
        IWcfService serviceProxy = null;
        Stream stream = null;
        int sendTimeoutMs = 3000;

        try
        {
            // *** SETUP *** \\
            binding = new BasicHttpBinding(BasicHttpSecurityMode.None);
            binding.TransferMode = TransferMode.Streamed;
            binding.SendTimeout = TimeSpan.FromMilliseconds(sendTimeoutMs);
            factory = new ChannelFactory<IWcfService>(binding, new EndpointAddress(Endpoints.HttpBaseAddress_Basic));
            serviceProxy = factory.CreateChannel();

            // Create a read stream that deliberately times out during the async read during the request.
            // We also intercept the synchronous read because that path can also be executed during
            // an async read.
            stream = new TestMockStream()
            {
                CopyToAsyncFunc = (Stream destination, int bufferSize, CancellationToken ct) =>
                {
                    Task.Delay(sendTimeoutMs * 2).Wait();
                    return null;
                },

                ReadFunc = (byte[] buffer, int offset, int count) =>
                {
                    Task.Delay(sendTimeoutMs * 2).Wait();
                    return -1;
                }
            };

            // *** EXECUTE *** \\
            Assert.Throws<TimeoutException>(() =>
            {
                var unused = serviceProxy.EchoStreamAsync(stream).GetAwaiter().GetResult();
            });

            // *** VALIDATE *** \\

            // *** CLEANUP *** \\
            ((ICommunicationObject)serviceProxy).Close();
            factory.Close();
        }
        finally
        {
            // *** ENSURE CLEANUP *** \\
            ScenarioTestHelpers.CloseCommunicationObjects((ICommunicationObject)serviceProxy, factory);
        }
    }
Ejemplo n.º 2
0
    public static void BasicHttp_Streamed_Async_Delayed_And_Aborted_Request_Throws_TimeoutException()
    {
        // This test is a regression test that verifies an issue discovered where exceeding the timeout
        // and aborting the channel before the client's Task completed led to incorrect error handling.
        BasicHttpBinding binding = null;
        ChannelFactory<IWcfService> factory = null;
        IWcfService serviceProxy = null;
        Stream stream = null;
        int sendTimeoutMs = 3000;

        try
        {
            // *** SETUP *** \\
            binding = new BasicHttpBinding(BasicHttpSecurityMode.None);
            binding.TransferMode = TransferMode.Streamed;
            binding.SendTimeout = TimeSpan.FromMilliseconds(sendTimeoutMs);
            factory = new ChannelFactory<IWcfService>(binding, new EndpointAddress(Endpoints.HttpBaseAddress_Basic));
            serviceProxy = factory.CreateChannel();

            // Create a read stream that will both timeout and then abort the proxy channel when the
            // async read is called. We also intercept the synchronous read because that path can also
            // be executed during an async read.
            stream = new TestMockStream()
            {
                CopyToAsyncFunc = (Stream destination, int bufferSize, CancellationToken ct) =>
                {
                    // Abort to force the internal HttpClientChannelAsyncRequest.Cleanup()
                    // to clear its data structures before the client's Task completes.
                    Task.Delay(sendTimeoutMs * 2).Wait();
                    ((ICommunicationObject)serviceProxy).Abort();
                    return null;
                },

                ReadFunc = (byte[] buffer, int offset, int count) =>
                {
                    // Abort to force the internal HttpClientChannelAsyncRequest.Cleanup()
                    // to clear its data structures before the client's Task completes.
                    Task.Delay(sendTimeoutMs * 2).Wait();
                    ((ICommunicationObject)serviceProxy).Abort();
                    return -1;
                }
            };

            // *** EXECUTE *** \\
            Assert.Throws<TimeoutException>(() =>
            {
                var unused = serviceProxy.EchoStreamAsync(stream).GetAwaiter().GetResult();
            });

            // *** VALIDATE *** \\

            // *** CLEANUP *** \\
            ((ICommunicationObject)serviceProxy).Close();
            factory.Close();
        }
        finally
        {
            // *** ENSURE CLEANUP *** \\
            ScenarioTestHelpers.CloseCommunicationObjects((ICommunicationObject)serviceProxy, factory);
        }
    }