update tests

src/csharp/Grpc.Core.Tests/Grpc.Core.Tests.csproj

@@ -86,8 +86,9 @@
     <Compile Include="NUnitMain.cs" />
     <Compile Include="Internal\FakeNativeCall.cs" />
     <Compile Include="Internal\AsyncCallServerTest.cs" />
-    <Compile Include="ShutdownHookTest.cs" />
     <Compile Include="ShutdownHookServerTest.cs" />
+    <Compile Include="ShutdownHookPendingCallTest.cs" />
+    <Compile Include="ShutdownHookClientTest.cs" />
   </ItemGroup>
   <Import Project="$(MSBuildBinPath)\Microsoft.CSharp.targets" />
   <ItemGroup>

src/csharp/Grpc.Core.Tests/ShutdownHookClientTest.cs

@@ -43,16 +43,12 @@ using NUnit.Framework;
 
 namespace Grpc.Core.Tests
 {
-    public class ShutdownHookTest
+    public class ShutdownHookClientTest
     {
         const string Host = "127.0.0.1";
 
-        /// <summary>
-        /// Make sure that a non-shutdown channel can be cleaned up using
-        /// a <c>AppDomain.ProcessExit</c> hook.
-        /// </summary>
         [Test]
-        public void AppDomainProcessExitHook()
+        public void ProcessExitHookCanCleanupAbandonedChannels()
         {
             var channel = new Channel(Host, 1000, ChannelCredentials.Insecure);
             var channel2 = new Channel(Host, 1001, ChannelCredentials.Insecure);
@@ -61,11 +57,6 @@ namespace Grpc.Core.Tests
                 GrpcEnvironment.ShutdownChannelsAsync().Wait();
             };
         }
-
-        // TODO: test what happens if there's a pending completion in the cq (destroy on non-empty cq)
-
         // TODO: test what happens if there's an appdomain unload 
-
-        // TODO: tests involving a server...
     }
 }

src/csharp/Grpc.Core.Tests/ShutdownHookPendingCallTest.cs

@@ -0,0 +1,76 @@
+#region Copyright notice and license
+
+// Copyright 2015, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#endregion
+
+using System;
+using System.Diagnostics;
+using System.Linq;
+using System.Threading;
+using System.Threading.Tasks;
+using Grpc.Core;
+using Grpc.Core.Internal;
+using Grpc.Core.Utils;
+using NUnit.Framework;
+
+namespace Grpc.Core.Tests
+{
+    public class ShutdownHookPendingCallTest
+    {
+        const string Host = "127.0.0.1";
+
+        [Test]
+        public void ProcessExitHookCanCleanupAbandonedCall()
+        {
+            AppDomain.CurrentDomain.ProcessExit += (object sender, EventArgs e) =>
+            {
+                var shutdownChannelsTask = GrpcEnvironment.ShutdownChannelsAsync();
+                var killServersTask = GrpcEnvironment.KillServersAsync();
+                Task.WaitAll(shutdownChannelsTask, killServersTask);
+            };
+
+            var helper = new MockServiceHelper(Host);
+            var server = helper.GetServer();
+            server.Start();
+            var channel = helper.GetChannel();
+
+            var readyToShutdown = new TaskCompletionSource<object>();
+            helper.DuplexStreamingHandler = new DuplexStreamingServerMethod<string, string>(async (requestStream, responseStream, context) =>
+            {
+                readyToShutdown.SetResult(null);
+                await requestStream.ToListAsync();
+            });
+
+            var call = Calls.AsyncDuplexStreamingCall(helper.CreateDuplexStreamingCall());
+            readyToShutdown.Task.Wait();  // make sure handler is running
+        }
+    }
+}

src/csharp/Grpc.Core.Tests/ShutdownHookServerTest.cs

@@ -47,12 +47,8 @@ namespace Grpc.Core.Tests
     {
         const string Host = "127.0.0.1";
 
-        /// <summary>
-        /// Make sure that a non-shutdown server can be cleaned up using
-        /// a <c>AppDomain.ProcessExit</c> hook.
-        /// </summary>
         [Test]
-        public void AppDomainProcessExitHook()
+        public void ProcessExitHookCanCleanupAbandonedServers()
         {
             var helper = new MockServiceHelper(Host);
             var server = helper.GetServer();
@@ -64,11 +60,5 @@ namespace Grpc.Core.Tests
                 Task.WaitAll(shutdownChannelsTask, killServersTask);
             };
         }
-
-        // TODO: test what happens if there's a pending completion in the cq (destroy on non-empty cq)
-
-        // TODO: test what happens if there's an appdomain unload 
-
-        // TODO: tests involving a server...
     }
 }

src/csharp/tests.json

@@ -25,8 +25,9 @@
     "Grpc.Core.Tests.ResponseHeadersTest",
     "Grpc.Core.Tests.SanityTest",
     "Grpc.Core.Tests.ServerTest",
+    "Grpc.Core.Tests.ShutdownHookClientTest",
+    "Grpc.Core.Tests.ShutdownHookPendingCallTest",
     "Grpc.Core.Tests.ShutdownHookServerTest",
-    "Grpc.Core.Tests.ShutdownHookTest",
     "Grpc.Core.Tests.ShutdownTest",
     "Grpc.Core.Tests.TimeoutsTest",
     "Grpc.Core.Tests.UserAgentStringTest"