Enable all net48 integration tests and stabilise tests

appveyor.yml

@@ -28,7 +28,7 @@ for:
     - sh: dotnet test -f net8.0 -c Debug --no-restore --no-build --results-directory artifacts --logger Appveyor --logger "console;verbosity=normal" --logger "liquid.md;LogFileName=linux_unit_test_net_8_report.md" -p:CollectCoverage=true -p:CoverletOutputFormat=cobertura -p:CoverletOutput=../../artifacts/linux_unit_test_net_8_coverage.xml test/Renci.SshNet.Tests/Renci.SshNet.Tests.csproj
     - sh: echo "Run integration tests"
     - sh: dotnet test -f net8.0 -c Debug --no-restore --no-build --results-directory artifacts --logger Appveyor --logger "console;verbosity=normal" --logger "liquid.md;LogFileName=linux_integration_test_net_8_report.md" -p:CollectCoverage=true -p:CoverletOutputFormat=cobertura -p:CoverletOutput=../../artifacts/linux_integration_test_net_8_coverage.xml test/Renci.SshNet.IntegrationTests/Renci.SshNet.IntegrationTests.csproj
-    - sh: dotnet test -f net48 -c Debug --no-restore --no-build --results-directory artifacts --logger Appveyor --logger "console;verbosity=normal" --logger "liquid.md;LogFileName=linux_integration_test_net_48_report.md" -p:CollectCoverage=true -p:CoverletOutputFormat=cobertura -p:CoverletOutput=../../artifacts/linux_integration_test_net_48_coverage.xml --filter "Name=ChaCha20Poly1305|Name~Zlib" test/Renci.SshNet.IntegrationTests/Renci.SshNet.IntegrationTests.csproj
+    - sh: dotnet test -f net48 -c Debug --no-restore --no-build --results-directory artifacts --logger Appveyor --logger "console;verbosity=normal" --logger "liquid.md;LogFileName=linux_integration_test_net_48_report.md" -p:CollectCoverage=true -p:CoverletOutputFormat=cobertura -p:CoverletOutput=../../artifacts/linux_integration_test_net_48_coverage.xml --filter Name\!~ECDsa test/Renci.SshNet.IntegrationTests/Renci.SshNet.IntegrationTests.csproj
 
 -
   matrix:

test/Renci.SshNet.IntegrationTests/SshTests.cs

@@ -655,17 +655,32 @@ public void Ssh_RemotePortForwarding()
             var endpoint1 = new IPEndPoint(ipv4HostAddress, 10000);
             var endpoint2 = new IPEndPoint(ipv4HostAddress, 10001);
 
+            var isBytesReceivedOnLister1 = false;
+            var isBytesReceivedOnLister2 = false;
+
             var bytesReceivedOnListener1 = new List<byte>();
             var bytesReceivedOnListener2 = new List<byte>();
 
             using (var socketListener1 = new AsyncSocketListener(endpoint1))
             using (var socketListener2 = new AsyncSocketListener(endpoint2))
+            using (var bytesReceivedEventOnListener1 = new AutoResetEvent(false))
+            using (var bytesReceivedEventOnListener2 = new AutoResetEvent(false))
             using (var client = new SshClient(_connectionInfoFactory.Create()))
             {
-                socketListener1.BytesReceived += (received, socket) => bytesReceivedOnListener1.AddRange(received);
+                socketListener1.BytesReceived += (received, socket) =>
+                {
+                    bytesReceivedOnListener1.AddRange(received);
+                    bytesReceivedEventOnListener1.Set();
+                };
+
                 socketListener1.Start();
 
-                socketListener2.BytesReceived += (received, socket) => bytesReceivedOnListener2.AddRange(received);
+                socketListener2.BytesReceived += (received, socket) =>
+                {
+                    bytesReceivedOnListener2.AddRange(received);
+                    bytesReceivedEventOnListener2.Set();
+                };
+
                 socketListener2.Start();
 
                 client.Connect();
@@ -706,10 +721,16 @@ public void Ssh_RemotePortForwarding()
                     s.Close();
                 }
 
+                isBytesReceivedOnLister1 = bytesReceivedEventOnListener1.WaitOne(1000);
+                isBytesReceivedOnLister2 = bytesReceivedEventOnListener2.WaitOne(1000);
+
                 forwardedPort1.Stop();
                 forwardedPort2.Stop();
             }
 
+            Assert.IsTrue(isBytesReceivedOnLister1);
+            Assert.IsTrue(isBytesReceivedOnLister2);
+
             var textReceivedOnListener1 = Encoding.ASCII.GetString(bytesReceivedOnListener1.ToArray());
             Assert.AreEqual("ABC\r\n", textReceivedOnListener1);
 

test/Renci.SshNet.Tests/Classes/Channels/ChannelTest_Dispose_SessionIsConnectedAndChannelIsOpen_EofNotReceived.cs

@@ -61,14 +61,14 @@ protected override void SetupMocks()
                        {
                            new Thread(() =>
                            {
+                               _closeTimer.Start();
                                Thread.Sleep(100);
                                // raise ChannelCloseReceived event to set waithandle for receiving
                                // SSH_MSG_CHANNEL_CLOSE message from server which is waited on after
                                // sending the SSH_MSG_CHANNEL_CLOSE message to the server
                                SessionMock.Raise(s => s.ChannelCloseReceived += null,
                                                  new MessageEventArgs<ChannelCloseMessage>(new ChannelCloseMessage(_localChannelNumber)));
                            }).Start();
-                           _closeTimer.Start();
                            try
                            {
                                waitHandle.WaitOne();

test/Renci.SshNet.Tests/Classes/Channels/ChannelTest_Dispose_SessionIsConnectedAndChannelIsOpen_EofNotReceived_SendEofInvoked.cs

@@ -66,6 +66,7 @@ protected override void SetupMocks()
                         {
                             new Thread(() =>
                             {
+                                _closeTimer.Start();
                                 Thread.Sleep(100);
                                 // raise ChannelCloseReceived event to set waithandle for receiving
                                 // SSH_MSG_CHANNEL_CLOSE message from server which is waited on after
@@ -74,7 +75,6 @@ protected override void SetupMocks()
                                                    new MessageEventArgs<ChannelCloseMessage>(
                                                        new ChannelCloseMessage(_localChannelNumber)));
                             }).Start();
-                            _closeTimer.Start();
                             try
                             {
                                 w.WaitOne();

test/Renci.SshNet.Tests/Classes/SessionTest_Connected.cs

@@ -41,6 +41,7 @@ public void ClientVersionIsRenciSshNet()
         [TestMethod]
         public void IncludeStrictKexPseudoAlgorithmInInitKex()
         {
+            Assert.IsTrue(FirstKexReceived.Wait(1000));
             Assert.IsTrue(ServerBytesReceivedRegister.Count > 0);
 
             var kexInitMessage = new KeyExchangeInitMessage();
@@ -51,7 +52,9 @@ public void IncludeStrictKexPseudoAlgorithmInInitKex()
         [TestMethod]
         public void ShouldNotIncludeStrictKexPseudoAlgorithmInSubsequentKex()
         {
-            using var kexReceived = new ManualResetEventSlim();
+            Assert.IsTrue(FirstKexReceived.Wait(1000));
+
+            using var subsequentKexReceived = new ManualResetEventSlim();
             bool kexContainsPseudoAlg = true;
 
             ServerListener.BytesReceived += ServerListener_BytesReceived;
@@ -64,13 +67,13 @@ void ServerListener_BytesReceived(byte[] bytesReceived, System.Net.Sockets.Socke
                     var kexInitMessage = new KeyExchangeInitMessage();
                     kexInitMessage.Load(bytesReceived, 6, bytesReceived.Length - 6);
                     kexContainsPseudoAlg = kexInitMessage.KeyExchangeAlgorithms.Contains("kex-strict-c-v00@openssh.com");
-                    kexReceived.Set();
+                    subsequentKexReceived.Set();
                 }
             }
 
             Session.SendMessage(Session.ClientInitMessage);
 
-            Assert.IsTrue(kexReceived.Wait(1000));
+            Assert.IsTrue(subsequentKexReceived.Wait(1000));
             Assert.IsFalse(kexContainsPseudoAlg);
 
             ServerListener.BytesReceived -= ServerListener_BytesReceived;

test/Renci.SshNet.Tests/Classes/SessionTest_ConnectedBase.cs

@@ -4,6 +4,7 @@
 using System.Net;
 using System.Net.Sockets;
 using System.Security.Cryptography;
+using System.Threading;
 
 using Microsoft.VisualStudio.TestTools.UnitTesting;
 
@@ -43,6 +44,7 @@ public abstract class SessionTest_ConnectedBase
         protected IList<ExceptionEventArgs> ErrorOccurredRegister { get; private set; }
         protected AsyncSocketListener ServerListener { get; private set; }
         protected IList<byte[]> ServerBytesReceivedRegister { get; private set; }
+        protected ManualResetEventSlim FirstKexReceived { get; private set; }
         protected Session Session { get; private set; }
         protected Socket ClientSocket { get; private set; }
         protected Socket ServerSocket { get; private set; }
@@ -87,6 +89,12 @@ public void TearDown()
                 ClientSocket.Shutdown(SocketShutdown.Both);
                 ClientSocket.Dispose();
             }
+
+            if (FirstKexReceived != null)
+            {
+                FirstKexReceived.Dispose();
+                FirstKexReceived = null;
+            }
         }
 
         protected virtual void SetupData()
@@ -107,6 +115,7 @@ protected virtual void SetupData()
             DisconnectReceivedRegister = new List<MessageEventArgs<DisconnectMessage>>();
             ErrorOccurredRegister = new List<ExceptionEventArgs>();
             ServerBytesReceivedRegister = new List<byte[]>();
+            FirstKexReceived = new ManualResetEventSlim();
             ServerIdentification = new SshIdentification("2.0", "OurServerStub");
             _authenticationStarted = false;
             _socketFactory = new SocketFactory();
@@ -151,11 +160,16 @@ protected virtual void SetupData()
                 {
                     ServerBytesReceivedRegister.Add(received);
 
-                    if (WaitForClientKeyExchangeInit && received.Length > 5 && received[5] == 20)
+                    if (received.Length > 5 && received[5] == 20)
                     {
-                        // This is the KEXINIT. Send one back.
-                        SendKeyExchangeInit();
-                        WaitForClientKeyExchangeInit = false;
+                        if (WaitForClientKeyExchangeInit)
+                        {
+                            // This is the KEXINIT. Send one back.
+                            SendKeyExchangeInit();
+                            WaitForClientKeyExchangeInit = false;
+                        }
+
+                        FirstKexReceived.Set();
                     }
                 };
             ServerListener.Start();