DebugAids: move SimulateConnectionFailure to internal

StackExchange.Redis/StackExchange/Redis/DebuggingAids.cs

@@ -5,29 +5,6 @@
 namespace StackExchange.Redis
 {
 #if DEBUG
-    public partial interface IServer
-    {
-        /// <summary>
-        /// Break the connection without mercy or thought
-        /// </summary>
-        void SimulateConnectionFailure();
-    }
-    
-
-    internal partial class ServerEndPoint
-    {
-        internal void SimulateConnectionFailure()
-        {
-            interactive?.SimulateConnectionFailure();
-            subscription?.SimulateConnectionFailure();
-        }
-    }
-
-    internal partial class RedisServer
-    {
-        void IServer.SimulateConnectionFailure() => server.SimulateConnectionFailure();
-    }
-
     public partial class ConnectionMultiplexer
     {
         private volatile bool allowConnect = true,
@@ -44,18 +21,6 @@ public partial class ConnectionMultiplexer
         public bool IgnoreConnect { get { return ignoreConnect; } set { ignoreConnect = value; } }
     }
 
-    internal partial class PhysicalBridge
-    {
-        internal void SimulateConnectionFailure()
-        {
-            if (!Multiplexer.RawConfig.AllowAdmin)
-            {
-                throw ExceptionFactory.AdminModeNotEnabled(Multiplexer.IncludeDetailInExceptions, RedisCommand.DEBUG, null, ServerEndPoint); // close enough
-            }
-            physical?.RecordConnectionFailed(ConnectionFailureType.SocketFailure);
-        }
-    }
-
     internal partial class PhysicalConnection
     {
         partial void ShouldIgnoreConnect(ref bool ignore)

StackExchange.Redis/StackExchange/Redis/Interfaces/IServer.cs

@@ -717,4 +717,13 @@ public partial interface IServer : IRedis
 
         #endregion
     }
+
+    internal static class IServerExtensions
+    {
+        /// <summary>
+        /// For testing only: Break the connection without mercy or thought
+        /// </summary>
+        /// <param name="server">The server to simulate failure on.</param>
+        public static void SimulateConnectionFailure(this IServer server) => (server as RedisServer)?.SimulateConnectionFailure();
+    }
 }

StackExchange.Redis/StackExchange/Redis/PhysicalBridge.cs

@@ -9,7 +9,7 @@
 
 namespace StackExchange.Redis
 {
-    internal sealed partial class PhysicalBridge : IDisposable
+    internal sealed class PhysicalBridge : IDisposable
     {
         internal readonly string Name;
 
@@ -799,5 +799,17 @@ private WriteResult WriteMessageToServerInsideWriteLock(PhysicalConnection conne
                 return WriteResult.WriteFailure;
             }
         }
+
+        /// <summary>
+        /// For testing only
+        /// </summary>
+        internal void SimulateConnectionFailure()
+        {
+            if (!Multiplexer.RawConfig.AllowAdmin)
+            {
+                throw ExceptionFactory.AdminModeNotEnabled(Multiplexer.IncludeDetailInExceptions, RedisCommand.DEBUG, null, ServerEndPoint); // close enough
+            }
+            physical?.RecordConnectionFailed(ConnectionFailureType.SocketFailure);
+        }
     }
 }

StackExchange.Redis/StackExchange/Redis/RedisServer.cs

@@ -9,7 +9,7 @@
 
 namespace StackExchange.Redis
 {
-    internal sealed partial class RedisServer : RedisBase, IServer
+    internal sealed class RedisServer : RedisBase, IServer
     {
         private readonly ServerEndPoint server;
 
@@ -841,5 +841,10 @@ public Task<RedisResult> ExecuteAsync(string command, ICollection<object> args,
         }
 
         #endregion
+
+        /// <summary>
+        /// For testing only
+        /// </summary>
+        internal void SimulateConnectionFailure() => server.SimulateConnectionFailure();
     }
 }

StackExchange.Redis/StackExchange/Redis/ServerEndPoint.cs

@@ -732,5 +732,14 @@ private void SetConfig<T>(ref T field, T value, [CallerMemberName] string caller
                 Multiplexer.ReconfigureIfNeeded(EndPoint, false, caller);
             }
         }
+
+        /// <summary>
+        /// For testing only
+        /// </summary>
+        internal void SimulateConnectionFailure()
+        {
+            interactive?.SimulateConnectionFailure();
+            subscription?.SimulateConnectionFailure();
+        }
     }
 }