perf(tests): add RetryDelaySleepDurationProvider override in ConnectionService to skip retry delays in tests

Author: marwannettour

src/ByteSync.Client/Services/Communications/ConnectionService.cs

@@ -1,4 +1,4 @@
-using System.Net.Http;
+using System.Net.Http;
 using System.Reactive.Linq;
 using System.Reactive.Subjects;
 using System.Threading;
@@ -65,13 +65,15 @@ public ConnectionService(IConnectionFactory connectionFactory, IAuthenticationTo
     public ByteSyncEndpoint? CurrentEndPoint { get; set; }
 
     public string? ClientInstanceId => CurrentEndPoint?.ClientInstanceId;
+
+    public Func<int, TimeSpan>? RetryDelaySleepDurationProvider { get; set; }
 
     public async Task StartConnectionAsync()
     {
         var retryPolicy = Policy
             .Handle<Exception>(ex => !(ex is BuildConnectionException bce && bce.InitialConnectionStatus == InitialConnectionStatus.VersionNotAllowed))
             .WaitAndRetryForeverAsync(
-                retryAttempt => TimeSpan.FromSeconds(Math.Pow(2, retryAttempt)),
+                retryAttempt => RetryDelaySleepDurationProvider?.Invoke(retryAttempt) ?? TimeSpan.FromSeconds(Math.Pow(2, retryAttempt)),
                 (exception, _, _) =>
                 {
                     ConnectionStatusSubject.OnNext(ConnectionStatuses.NotConnected);

tests/ByteSync.Client.UnitTests/Services/Communications/ConnectionServiceTests.cs

@@ -1,4 +1,4 @@
-using ByteSync.Business.Communications;
+using ByteSync.Business.Communications;
 using ByteSync.Common.Business.Auth;
 using ByteSync.Common.Business.EndPoints;
 using ByteSync.Exceptions;
@@ -33,6 +33,8 @@ public void SetUp()
             _mockAuthenticationTokensRepository.Object,
             _mockLogger.Object
         );
+        
+        _connectionService.RetryDelaySleepDurationProvider = _ => TimeSpan.Zero;
     }
 
     [Test]