[#24] Client: Implement pool part1

first iteration - base classes and methods

Signed-off-by: Pavel Gross <p.gross@yadro.com>

src/FrostFS.SDK.Tests/ContainerTest.cs

@@ -1,49 +1,14 @@
+using System.Diagnostics.CodeAnalysis;
+
 using FrostFS.SDK.ClientV2;
-using FrostFS.SDK.ClientV2.Interfaces;
 using FrostFS.SDK.ClientV2.Mappers.GRPC;
 using FrostFS.SDK.Cryptography;
 
 using Google.Protobuf;
 
-using Microsoft.Extensions.Options;
-
 namespace FrostFS.SDK.Tests;
 
-public abstract class ContainerTestsBase
-{
-    protected readonly string key = "KwHDAJ66o8FoLBjVbjP2sWBmgBMGjt7Vv4boA7xQrBoAYBE397Aq";
-
-    protected IOptions<SingleOwnerClientSettings> Settings { get; set; }
-    protected ContainerMocker Mocker { get; set; }
-
-    protected ContainerTestsBase()
-    {
-        Settings = Options.Create(new SingleOwnerClientSettings
-        {
-            Key = key,
-            Host = "http://localhost:8080"
-        });
-
-        Mocker = new ContainerMocker(this.key)
-        {
-            PlacementPolicy = new FrostFsPlacementPolicy(true, new FrostFsReplica(1)),
-            Version = new FrostFsVersion(2, 13),
-            ContainerGuid = Guid.NewGuid()
-        };
-    }
-
-    protected IFrostFSClient GetClient()
-    {
-        return ClientV2.FrostFSClient.GetTestInstance(
-            Settings,
-            null,
-            new NetworkMocker(this.key).GetMock().Object,
-            new SessionMocker(this.key).GetMock().Object,
-            Mocker.GetMock().Object,
-            new ObjectMocker(this.key).GetMock().Object);
-    }
-}
-
+[SuppressMessage("Reliability", "CA2007:Consider calling ConfigureAwait on the awaited task", Justification = "Default Value is correct for tests")]
 public class ContainerTest : ContainerTestsBase
 {
     [Fact]

src/FrostFS.SDK.Tests/ContainerTestsBase.cs

@@ -0,0 +1,40 @@
+using FrostFS.SDK.ClientV2.Interfaces;
+
+using Microsoft.Extensions.Options;
+
+namespace FrostFS.SDK.Tests;
+
+public abstract class ContainerTestsBase
+{
+    internal readonly string key = "KwHDAJ66o8FoLBjVbjP2sWBmgBMGjt7Vv4boA7xQrBoAYBE397Aq";
+
+    protected IOptions<SingleOwnerClientSettings> Settings { get; set; }
+    protected ContainerMocker Mocker { get; set; }
+
+    protected ContainerTestsBase()
+    {
+        Settings = Options.Create(new SingleOwnerClientSettings
+        {
+            Key = key,
+            Host = "http://localhost:8080"
+        });
+
+        Mocker = new ContainerMocker(this.key)
+        {
+            PlacementPolicy = new FrostFsPlacementPolicy(true, new FrostFsReplica(1)),
+            Version = new FrostFsVersion(2, 13),
+            ContainerGuid = Guid.NewGuid()
+        };
+    }
+
+    protected IFrostFSClient GetClient()
+    {
+        return ClientV2.FrostFSClient.GetTestInstance(
+            Settings,
+            null,
+            new NetworkMocker(this.key).GetMock().Object,
+            new SessionMocker(this.key).GetMock().Object,
+            Mocker.GetMock().Object,
+            new ObjectMocker(this.key).GetMock().Object);
+    }
+}

src/FrostFS.SDK.Tests/GlobalSuppressions.cs

@@ -0,0 +1,6 @@
+// This file is used by Code Analysis to maintain SuppressMessage
+// attributes that are applied to this project.
+// Project-level suppressions either have no target or are given
+// a specific target and scoped to a namespace, type, member, etc.
+
+

src/FrostFS.SDK.Tests/MetricsInterceptor.cs

@@ -12,7 +12,9 @@ public class MetricsInterceptor() : Interceptor
         ClientInterceptorContext<TRequest, TResponse> context,
         AsyncUnaryCallContinuation<TRequest, TResponse> continuation)
     {
-        var call = continuation(request, context);
+        ArgumentNullException.ThrowIfNull(continuation);
+
+        using var call = continuation(request, context);
 
         return new AsyncUnaryCall<TResponse>(
             HandleUnaryResponse(call),
@@ -27,7 +29,7 @@ public class MetricsInterceptor() : Interceptor
         var watch = new Stopwatch();
         watch.Start();
 
-        var response = await call.ResponseAsync;
+        var response = await call.ResponseAsync.ConfigureAwait(false);
 
         watch.Stop();
 

src/FrostFS.SDK.Tests/Mocks/AsyncStreamReaderMock.cs

@@ -26,8 +26,11 @@ public class AsyncStreamReaderMock(string key, FrostFsObjectHeader objectHeader)
                 OwnerId = objectHeader.OwnerId!.ToMessage()
             };
 
-            foreach (var attr in objectHeader.Attributes)
-                header.Attributes.Add(attr.ToMessage());
+            if (objectHeader.Attributes != null)
+            {
+                foreach (var attr in objectHeader.Attributes)
+                    header.Attributes.Add(attr.ToMessage());
+            }
 
             var response = new GetResponse
             {

src/FrostFS.SDK.Tests/Mocks/ClientStreamWriter.cs

@@ -1,3 +1,5 @@
+using System.Collections.ObjectModel;
+
 using FrostFS.SDK.ProtosV2.Interfaces;
 
 using Grpc.Core;
@@ -6,13 +8,15 @@ namespace FrostFS.SDK.Tests;
 
 public class ClientStreamWriter : IClientStreamWriter<IRequest>
 {
-    public List<IRequest> Messages { get; set; } = [];
+    private WriteOptions? _options;
+
+    public Collection<IRequest> Messages { get; } = [];
     public bool CompletedTask { get; private set; }
 
     public WriteOptions? WriteOptions
     {
-        get => throw new NotImplementedException();
-        set => throw new NotImplementedException();
+        get => _options;
+        set => _options = value;
     }
 
     public Task CompleteAsync()

src/FrostFS.SDK.Tests/Mocks/ContainerServiceMocks/ContainerServiceBase.cs

@@ -25,7 +25,10 @@ public abstract class ServiceBase(string key)
     public static FrostFsVersion DefaultVersion { get; } = new(2, 13);
     public static FrostFsPlacementPolicy DefaultPlacementPolicy { get; } = new FrostFsPlacementPolicy(true, new FrostFsReplica(1));
 
-    public Metadata Metadata { get; protected set; }
+#pragma warning disable CA2227 // this is specific object, should be treated as is
+    public Metadata? Metadata { get; set; }
+#pragma warning restore CA2227 
+
     public DateTime? DateTime { get; protected set; }
 
     public CancellationToken CancellationToken { get; protected set; }
@@ -35,6 +38,8 @@ public abstract class ServiceBase(string key)
 
     protected ResponseVerificationHeader GetResponseVerificationHeader(IResponse response)
     {
+        ArgumentNullException.ThrowIfNull(response);
+
         var verifyHeader = new ResponseVerificationHeader
         {
             MetaSignature = new Refs.Signature

src/FrostFS.SDK.Tests/Mocks/ContainerServiceMocks/GetContainerMock.cs

@@ -1,3 +1,5 @@
+using System.Collections.ObjectModel;
+
 using FrostFS.Container;
 using FrostFS.Refs;
 using FrostFS.SDK.ClientV2;
@@ -41,7 +43,7 @@ public class ContainerMocker(string key) : ContainerServiceBase(key)
         putResponse.VerifyHeader = GetResponseVerificationHeader(putResponse);
 
         var metadata = new Metadata();
-        var putContainerResponse = new AsyncUnaryCall<PutResponse>(
+        using var putContainerResponse = new AsyncUnaryCall<PutResponse>(
                     Task.FromResult(putResponse),
                     Task.FromResult(metadata),
                     () => new Grpc.Core.Status(StatusCode.OK, string.Empty),
@@ -180,7 +182,7 @@ public class ContainerMocker(string key) : ContainerServiceBase(key)
 
     public bool ReturnContainerRemoved { get; set; }
 
-    public List<byte[]> ContainerIds { get; set; } = [];
+    public Collection<byte[]> ContainerIds { get; } = [];
 
-    public List<RequestData<DeleteRequest>> Requests { get; set; } = [];
+    public Collection<RequestData<DeleteRequest>> Requests { get; } = [];
 }

src/FrostFS.SDK.Tests/Mocks/NetworkMocker.cs

@@ -25,18 +25,17 @@ public class NetworkMocker(string key) : ServiceBase(key)
         "MaintenanceModeAllowed"
     ];
 
-    public Dictionary<string, byte[]>? Parameters { get; set; }
+    public Dictionary<string, byte[]> Parameters { get; } = [];
 
-    public LocalNodeInfoResponse NodeInfoResponse { get; set; }
+    public LocalNodeInfoResponse? NodeInfoResponse { get; set; }
 
-    public LocalNodeInfoRequest LocalNodeInfoRequest { get; set; }
+    public LocalNodeInfoRequest? LocalNodeInfoRequest { get; set; }
 
-    public NetworkInfoRequest NetworkInfoRequest { get; set; }
+    public NetworkInfoRequest? NetworkInfoRequest { get; set; }
 
-    public NetmapSnapshotResponse NetmapSnapshotResponse { get; set; }
-
-    public NetmapSnapshotRequest NetmapSnapshotRequest { get; set; }
+    public NetmapSnapshotResponse? NetmapSnapshotResponse { get; set; }
 
+    public NetmapSnapshotRequest? NetmapSnapshotRequest { get; set; }
 
     public Mock<NetmapService.NetmapServiceClient> GetMock()
     {

src/FrostFS.SDK.Tests/Mocks/ObjectMock.cs

@@ -1,3 +1,4 @@
+using System.Collections.ObjectModel;
 using System.Security.Cryptography;
 
 using FrostFS.Object;
@@ -92,7 +93,7 @@ public class ObjectMocker(string key) : ObjectServiceBase(key)
 
         }
 
-        if (ResultObjectIds != null)
+        if (ResultObjectIds != null && ResultObjectIds.Count > 0)
         {
             PutResponse putResponse = new()
             {
@@ -197,14 +198,14 @@ public class ObjectMocker(string key) : ObjectServiceBase(key)
 
     public Header? HeadResponse { get; set; }
 
-    public List<byte[]>? ResultObjectIds { get; set; }
+    public Collection<byte[]>? ResultObjectIds { get; } = [];
 
     public ClientStreamWriter? ClientStreamWriter { get; private set; } = new();
 
-    public List<PutSingleRequest> PutSingleRequests { get; private set; } = [];
+    public Collection<PutSingleRequest> PutSingleRequests { get; private set; } = [];
 
-    public List<DeleteRequest> DeleteRequests { get; private set; } = [];
+    public Collection<DeleteRequest> DeleteRequests { get; private set; } = [];
 
-    public List<HeadRequest> HeadRequests { get; private set; } = [];
+    public Collection<HeadRequest> HeadRequests { get; private set; } = [];
 }
 

src/FrostFS.SDK.Tests/Mocks/SessionMock.cs

@@ -8,13 +8,14 @@ using Moq;
 
 namespace FrostFS.SDK.Tests;
 
+[System.Diagnostics.CodeAnalysis.SuppressMessage("Security", "CA5394:Do not use insecure randomness", Justification = "No secure purpose")]
 public class SessionMocker(string key) : ServiceBase(key)
 {
     public byte[]? SessionId { get; set; }
 
     public byte[]? SessionKey { get; set; }
 
-    public CreateRequest CreateSessionRequest { get; private set; }
+    public CreateRequest? CreateSessionRequest { get; private set; }
 
     public Mock<SessionService.SessionServiceClient> GetMock()
     {
@@ -24,7 +25,7 @@ public class SessionMocker(string key) : ServiceBase(key)
 
         if (SessionId == null)
         {
-            SessionId = new byte[32];
+            SessionId = new byte[16];
             rand.NextBytes(SessionId);
         }
 

src/FrostFS.SDK.Tests/NetworkTest.cs

@@ -1,55 +1,13 @@
-using System.Security.Cryptography;
+using System.Diagnostics.CodeAnalysis;
 
 using FrostFS.Netmap;
 using FrostFS.SDK.ClientV2;
-using FrostFS.SDK.ClientV2.Interfaces;
-using FrostFS.SDK.ClientV2;
-using FrostFS.SDK.Cryptography;
 
 using Google.Protobuf;
 
-using Microsoft.Extensions.Options;
-
 namespace FrostFS.SDK.Tests;
 
-public abstract class NetworkTestsBase
-{
-    protected readonly string key = "KwHDAJ66o8FoLBjVbjP2sWBmgBMGjt7Vv4boA7xQrBoAYBE397Aq";
-
-    protected IOptions<SingleOwnerClientSettings> Settings { get; set; }
-
-    protected FrostFsVersion Version { get; set; } = new FrostFsVersion(2, 13);
-
-    protected ECDsa ECDsaKey { get; set; }
-    protected FrostFsOwner OwnerId { get; set; }
-    protected NetworkMocker Mocker { get; set; }
-
-    protected NetworkTestsBase()
-    {
-        Settings = Options.Create(new SingleOwnerClientSettings
-        {
-            Key = key,
-            Host = "http://localhost:8080"
-        });
-
-        ECDsaKey = key.LoadWif();
-        OwnerId = FrostFsOwner.FromKey(ECDsaKey);
-
-        Mocker = new NetworkMocker(this.key);
-    }
-
-    protected IFrostFSClient GetClient()
-    {
-        return ClientV2.FrostFSClient.GetTestInstance(
-            Settings,
-            null,
-            Mocker.GetMock().Object,
-            new SessionMocker(this.key).GetMock().Object,
-            new ContainerMocker(this.key).GetMock().Object,
-            new ObjectMocker(this.key).GetMock().Object);
-    }
-}
-
+[SuppressMessage("Reliability", "CA2007:Consider calling ConfigureAwait on the awaited task", Justification = "Default Value is correct for tests")]
 public class NetworkTest : NetworkTestsBase
 {
     [Theory]
@@ -57,27 +15,24 @@ public class NetworkTest : NetworkTestsBase
     [InlineData(true)]
     public async void NetworkSettingsTest(bool useContext)
     {
-        Mocker.Parameters = new Dictionary<string, byte[]>
-        {
-            { "AuditFee", [1] },
-            { "BasicIncomeRate", [2] },
-            { "ContainerFee", [3] },
-            { "ContainerAliasFee", [4] },
-            { "EpochDuration", [5] },
-            { "InnerRingCandidateFee", [6] },
-            { "MaxECDataCount", [7] },
-            { "MaxECParityCount", [8] },
-            { "MaxObjectSize", [9] },
-            { "WithdrawFee", [10] },
-            { "HomomorphicHashingDisabled", [1] },
-            { "MaintenanceModeAllowed", [1] },
-        };
+        Mocker.Parameters.Add("AuditFee", [1]);
+        Mocker.Parameters.Add("BasicIncomeRate", [2]);
+        Mocker.Parameters.Add("ContainerFee", [3]);
+        Mocker.Parameters.Add("ContainerAliasFee", [4]);
+        Mocker.Parameters.Add("EpochDuration", [5]);
+        Mocker.Parameters.Add("InnerRingCandidateFee", [6]);
+        Mocker.Parameters.Add("MaxECDataCount", [7]);
+        Mocker.Parameters.Add("MaxECParityCount", [8]);
+        Mocker.Parameters.Add("MaxObjectSize", [9]);
+        Mocker.Parameters.Add("WithdrawFee", [10]);
+        Mocker.Parameters.Add("HomomorphicHashingDisabled", [1]);
+        Mocker.Parameters.Add("MaintenanceModeAllowed", [1]);
 
         var param = new PrmNetworkSettings();
 
         if (useContext)
         {
-            param.Context = new Context
+            param.Context = new CallContext
             {
                 CancellationToken = Mocker.CancellationTokenSource.Token,
                 Timeout = TimeSpan.FromSeconds(20),
@@ -119,6 +74,7 @@ public class NetworkTest : NetworkTestsBase
         }
         else
         {
+            Assert.NotNull(Mocker.NetworkInfoRequest);
             Assert.Empty(Mocker.NetworkInfoRequest.MetaHeader.XHeaders);
             Assert.Null(Mocker.DateTime);
         }
@@ -127,6 +83,7 @@ public class NetworkTest : NetworkTestsBase
     [Theory]
     [InlineData(false)]
     [InlineData(true)]
+
     public async void NetmapSnapshotTest(bool useContext)
     {
         var body = new NetmapSnapshotResponse.Types.Body
@@ -164,7 +121,7 @@ public class NetworkTest : NetworkTestsBase
         if (useContext)
         {
             param.XHeaders.Add("headerKey1", "headerValue1");
-            param.Context = new Context
+            param.Context = new CallContext
             {
                 CancellationToken = Mocker.CancellationTokenSource.Token,
                 Timeout = TimeSpan.FromSeconds(20),
@@ -210,6 +167,7 @@ public class NetworkTest : NetworkTestsBase
 
         if (useContext)
         {
+            Assert.NotNull(Mocker.NetmapSnapshotRequest);
             Assert.Single(Mocker.NetmapSnapshotRequest.MetaHeader.XHeaders);
             Assert.Equal(param.XHeaders.Keys[0], Mocker.NetmapSnapshotRequest.MetaHeader.XHeaders.First().Key);
             Assert.Equal(param.XHeaders[param.XHeaders.Keys[0]], Mocker.NetmapSnapshotRequest.MetaHeader.XHeaders.First().Value);
@@ -222,6 +180,7 @@ public class NetworkTest : NetworkTestsBase
         }
         else
         {
+            Assert.NotNull(Mocker.NetmapSnapshotRequest);
             Assert.Empty(Mocker.NetmapSnapshotRequest.MetaHeader.XHeaders);
             Assert.Null(Mocker.DateTime);
         }
@@ -254,7 +213,7 @@ public class NetworkTest : NetworkTestsBase
         if (useContext)
         {
             param.XHeaders.Add("headerKey1", "headerValue1");
-            param.Context = new Context
+            param.Context = new CallContext
             {
                 CancellationToken = Mocker.CancellationTokenSource.Token,
                 Timeout = TimeSpan.FromSeconds(20),
@@ -282,6 +241,7 @@ public class NetworkTest : NetworkTestsBase
         Assert.Equal("value1", result.Attributes["key1"]);
         Assert.Equal("value2", result.Attributes["key2"]);
 
+        Assert.NotNull(Mocker.LocalNodeInfoRequest);
         if (useContext)
         {
             Assert.Single(Mocker.LocalNodeInfoRequest.MetaHeader.XHeaders);

src/FrostFS.SDK.Tests/NetworkTestsBase.cs

@@ -0,0 +1,48 @@
+using System.Diagnostics.CodeAnalysis;
+using System.Security.Cryptography;
+
+using FrostFS.SDK.ClientV2.Interfaces;
+using FrostFS.SDK.Cryptography;
+
+using Microsoft.Extensions.Options;
+
+namespace FrostFS.SDK.Tests;
+
+[SuppressMessage("Reliability", "CA2007:Consider calling ConfigureAwait on the awaited task", Justification = "Default Value is correct for tests")]
+public abstract class NetworkTestsBase
+{
+    internal readonly string key = "KwHDAJ66o8FoLBjVbjP2sWBmgBMGjt7Vv4boA7xQrBoAYBE397Aq";
+
+    protected IOptions<SingleOwnerClientSettings> Settings { get; set; }
+
+    protected FrostFsVersion Version { get; set; } = new FrostFsVersion(2, 13);
+
+    protected ECDsa ECDsaKey { get; set; }
+    protected FrostFsOwner OwnerId { get; set; }
+    protected NetworkMocker Mocker { get; set; }
+
+    protected NetworkTestsBase()
+    {
+        Settings = Options.Create(new SingleOwnerClientSettings
+        {
+            Key = key,
+            Host = "http://localhost:8080"
+        });
+
+        ECDsaKey = key.LoadWif();
+        OwnerId = FrostFsOwner.FromKey(ECDsaKey);
+
+        Mocker = new NetworkMocker(this.key);
+    }
+
+    protected IFrostFSClient GetClient()
+    {
+        return ClientV2.FrostFSClient.GetTestInstance(
+            Settings,
+            null,
+            Mocker.GetMock().Object,
+            new SessionMocker(this.key).GetMock().Object,
+            new ContainerMocker(this.key).GetMock().Object,
+            new ObjectMocker(this.key).GetMock().Object);
+    }
+}

src/FrostFS.SDK.Tests/ObjectTest.cs

@@ -1,71 +1,19 @@
+using System.Collections.ObjectModel;
+using System.Diagnostics.CodeAnalysis;
 using System.Security.Cryptography;
 using System.Text;
 
 using FrostFS.Refs;
 using FrostFS.SDK.ClientV2;
-using FrostFS.SDK.ClientV2.Interfaces;
 using FrostFS.SDK.ClientV2.Mappers.GRPC;
-using FrostFS.SDK.ClientV2;
 using FrostFS.SDK.Cryptography;
 
 using Google.Protobuf;
 
-using Microsoft.Extensions.Options;
-
 namespace FrostFS.SDK.Tests;
 
-public abstract class ObjectTestsBase
-{
-    protected static readonly string key = "KwHDAJ66o8FoLBjVbjP2sWBmgBMGjt7Vv4boA7xQrBoAYBE397Aq";
-
-    protected IOptions<SingleOwnerClientSettings> Settings { get; set; }
-    protected FrostFsContainerId ContainerId { get; set; }
-
-    protected NetworkMocker NetworkMocker { get; set; } = new NetworkMocker(key);
-    protected SessionMocker SessionMocker { get; set; } = new SessionMocker(key);
-    protected ContainerMocker ContainerMocker { get; set; } = new ContainerMocker(key);
-    protected ObjectMocker Mocker { get; set; }
-
-    protected ObjectTestsBase()
-    {
-        var ecdsaKey = key.LoadWif();
-
-        Settings = Options.Create(new SingleOwnerClientSettings
-        {
-            Key = key,
-            Host = "http://localhost:8080"
-        });
-
-        Mocker = new ObjectMocker(key)
-        {
-            PlacementPolicy = new FrostFsPlacementPolicy(true, new FrostFsReplica(1)),
-            Version = new FrostFsVersion(2, 13),
-            ContainerGuid = Guid.NewGuid()
-        };
-
-        ContainerId = new FrostFsContainerId(Base58.Encode(Mocker.ContainerGuid.ToBytes()));
-
-        Mocker.ObjectHeader = new(
-            ContainerId,
-            FrostFsObjectType.Regular,
-            [new FrostFsAttributePair("k", "v")],
-            null,
-            FrostFsOwner.FromKey(ecdsaKey),
-            new FrostFsVersion(2, 13));
-    }
-
-    protected IFrostFSClient GetClient()
-    {
-        return FrostFSClient.GetTestInstance(
-            Settings,
-            null,
-            NetworkMocker.GetMock().Object,
-            SessionMocker.GetMock().Object,
-            ContainerMocker.GetMock().Object,
-            Mocker.GetMock().Object);
-    }
-}
-
+[SuppressMessage("Reliability", "CA2007:Consider calling ConfigureAwait on the awaited task", Justification = "Default Value is correct for tests")]
+[SuppressMessage("Security", "CA5394:Do not use insecure randomness", Justification = "No secure purpose")]
 public class ObjectTest : ObjectTestsBase
 {
     [Fact]
@@ -75,7 +23,7 @@ public class ObjectTest : ObjectTestsBase
 
         var ecdsaKey = key.LoadWif();
 
-        var ctx = new Context
+        var ctx = new CallContext
         {
             Key = ecdsaKey,
             OwnerId = FrostFsOwner.FromKey(ecdsaKey),
@@ -88,18 +36,21 @@ public class ObjectTest : ObjectTestsBase
 
         Assert.NotNull(result);
 
-        Assert.Equal(Mocker.ObjectHeader!.ContainerId.GetValue(), result.Header.ContainerId.GetValue());
-        Assert.Equal(Mocker.ObjectHeader!.OwnerId!.Value, result.Header.OwnerId!.Value);
+        Assert.NotNull(Mocker.ObjectHeader);
+
+        Assert.Equal(Mocker.ObjectHeader.ContainerId.GetValue(), result.Header.ContainerId.GetValue());
+        Assert.Equal(Mocker.ObjectHeader.OwnerId!.Value, result.Header.OwnerId!.Value);
         Assert.Equal(Mocker.ObjectHeader.PayloadLength, result.Header.PayloadLength);
+        Assert.NotNull(result.Header.Attributes);
         Assert.Single(result.Header.Attributes);
-        Assert.Equal(Mocker.ObjectHeader.Attributes[0].Key, result.Header.Attributes[0].Key);
-        Assert.Equal(Mocker.ObjectHeader.Attributes[0].Value, result.Header.Attributes[0].Value);
+        Assert.Equal(Mocker.ObjectHeader.Attributes![0].Key, result.Header.Attributes[0].Key);
+        Assert.Equal(Mocker.ObjectHeader.Attributes![0].Value, result.Header.Attributes[0].Value);
     }
 
     [Fact]
     public async void PutObjectTest()
     {
-        Mocker.ResultObjectIds = new([SHA256.HashData([])]);
+        Mocker.ResultObjectIds.Add(SHA256.HashData([]));
 
         Random rnd = new();
         var bytes = new byte[1024];
@@ -134,7 +85,7 @@ public class ObjectTest : ObjectTestsBase
     [Fact]
     public async void ClientCutTest()
     {
-        NetworkMocker.Parameters = new Dictionary<string, byte[]>() { { "MaxObjectSize", [0x0, 0xa] } };
+        NetworkMocker.Parameters.Add("MaxObjectSize", [0x0, 0xa]);
 
         var blockSize = 2560;
         byte[] bytes = File.ReadAllBytes(@".\..\..\..\TestData\cat.jpg");
@@ -150,17 +101,19 @@ public class ObjectTest : ObjectTestsBase
 
         Random rnd = new();
 
-        List<byte[]> objIds = new([new byte[32], new byte[32], new byte[32]]);
+        Collection<byte[]> objIds = new([new byte[32], new byte[32], new byte[32]]);
         rnd.NextBytes(objIds.ElementAt(0));
         rnd.NextBytes(objIds.ElementAt(1));
         rnd.NextBytes(objIds.ElementAt(2));
 
-        Mocker.ResultObjectIds = objIds;
+        foreach (var objId in objIds)
+            Mocker.ResultObjectIds.Add(objId);
 
         var result = await GetClient().PutObjectAsync(param);
 
         var singleObjects = Mocker.PutSingleRequests.ToArray();
 
+        Assert.NotNull(Mocker.ClientStreamWriter?.Messages);
         var streamObjects = Mocker.ClientStreamWriter.Messages.ToArray();
 
         Assert.Single(singleObjects);
@@ -262,6 +215,7 @@ public class ObjectTest : ObjectTestsBase
 
         Assert.Equal(FrostFsObjectType.Regular, response.ObjectType);
 
+        Assert.NotNull(response.Attributes);
         Assert.Single(response.Attributes);
 
         Assert.Equal(Mocker.HeadResponse.Attributes[0].Key, response.Attributes.First().Key);

src/FrostFS.SDK.Tests/ObjectTestsBase.cs

@@ -0,0 +1,59 @@
+using FrostFS.SDK.ClientV2;
+using FrostFS.SDK.ClientV2.Interfaces;
+using FrostFS.SDK.Cryptography;
+
+using Microsoft.Extensions.Options;
+
+namespace FrostFS.SDK.Tests;
+
+public abstract class ObjectTestsBase
+{
+    protected static readonly string key = "KwHDAJ66o8FoLBjVbjP2sWBmgBMGjt7Vv4boA7xQrBoAYBE397Aq";
+
+    protected IOptions<SingleOwnerClientSettings> Settings { get; set; }
+    protected FrostFsContainerId ContainerId { get; set; }
+
+    protected NetworkMocker NetworkMocker { get; set; } = new NetworkMocker(key);
+    protected SessionMocker SessionMocker { get; set; } = new SessionMocker(key);
+    protected ContainerMocker ContainerMocker { get; set; } = new ContainerMocker(key);
+    protected ObjectMocker Mocker { get; set; }
+
+    protected ObjectTestsBase()
+    {
+        var ecdsaKey = key.LoadWif();
+
+        Settings = Options.Create(new SingleOwnerClientSettings
+        {
+            Key = key,
+            Host = "http://localhost:8080"
+        });
+
+        Mocker = new ObjectMocker(key)
+        {
+            PlacementPolicy = new FrostFsPlacementPolicy(true, new FrostFsReplica(1)),
+            Version = new FrostFsVersion(2, 13),
+            ContainerGuid = Guid.NewGuid()
+        };
+
+        ContainerId = new FrostFsContainerId(Base58.Encode(Mocker.ContainerGuid.ToBytes()));
+
+        Mocker.ObjectHeader = new(
+            ContainerId,
+            FrostFsObjectType.Regular,
+            [new FrostFsAttributePair("k", "v")],
+            null,
+            FrostFsOwner.FromKey(ecdsaKey),
+            new FrostFsVersion(2, 13));
+    }
+
+    protected IFrostFSClient GetClient()
+    {
+        return FrostFSClient.GetTestInstance(
+            Settings,
+            null,
+            NetworkMocker.GetMock().Object,
+            SessionMocker.GetMock().Object,
+            ContainerMocker.GetMock().Object,
+            Mocker.GetMock().Object);
+    }
+}

src/FrostFS.SDK.Tests/PoolSmokeTests.cs

@@ -0,0 +1,603 @@
+using System.Diagnostics.CodeAnalysis;
+using System.Security.Cryptography;
+
+using FrostFS.SDK.ClientV2;
+using FrostFS.SDK.Cryptography;
+
+using Microsoft.Extensions.Options;
+
+using static FrostFS.Session.SessionToken.Types.Body;
+
+namespace FrostFS.SDK.SmokeTests;
+
+[SuppressMessage("Reliability", "CA2007:Consider calling ConfigureAwait on the awaited task", Justification = "Default Value is correct for tests")]
+[SuppressMessage("Security", "CA5394:Do not use insecure randomness", Justification = "No secure purpose")]
+public class PoolSmokeTests : SmokeTestsBase
+{
+    private static readonly PrmWait lightWait = new(100, 1);
+
+    private InitParameters GetDefaultParams()
+    {
+        return new InitParameters
+        {
+            Key = keyString.LoadWif(),
+
+            NodeParams = [new(1, this.url, 100.0f)],
+            DialOptions = [new()
+                {
+                Authority = "",
+                Block = false,
+                DisableHealthCheck = false,
+                DisableRetry = false,
+                ReturnLastError = true,
+                Timeout = 30_000_000
+                }
+           ],
+            ClientBuilder = null,
+            GracefulCloseOnSwitchTimeout = 30_000_000,
+            Logger = null
+        };
+    }
+
+    [Fact]
+    public async void NetworkMapTest()
+    {
+        var options = GetDefaultParams();
+
+        using var pool = new Pool(options);
+
+        var error = await pool.Dial(new CallContext());
+
+        Assert.Null(error);
+
+        var result = await pool.GetNetmapSnapshotAsync(default);
+
+        Assert.True(result.Epoch > 0);
+        Assert.Single(result.NodeInfoCollection);
+
+        var item = result.NodeInfoCollection[0];
+        Assert.Equal(2, item.Version.Major);
+        Assert.Equal(13, item.Version.Minor);
+        Assert.Equal(NodeState.Online, item.State);
+        Assert.True(item.PublicKey.Length > 0);
+        Assert.Single(item.Addresses);
+        Assert.Equal(9, item.Attributes.Count);
+    }
+
+    [Fact]
+    public async void NodeInfoTest()
+    {
+        var options = GetDefaultParams();
+
+        using var pool = new Pool(options);
+
+        var error = await pool.Dial(new CallContext());
+
+        Assert.Null(error);
+
+        var result = await pool.GetNodeInfoAsync();
+
+        Assert.Equal(2, result.Version.Major);
+        Assert.Equal(13, result.Version.Minor);
+        Assert.Equal(NodeState.Online, result.State);
+        Assert.Equal(33, result.PublicKey.Length);
+        Assert.Single(result.Addresses);
+        Assert.Equal(9, result.Attributes.Count);
+    }
+
+    [Fact]
+    public async void NodeInfoStatisticsTest()
+    {
+        var options = GetDefaultParams();
+
+        using var pool = new Pool(options);
+
+        var callbackText = string.Empty;
+
+        var ctx = new CallContext
+        {
+            Callback = (cs) => callbackText = $"{cs.MethodName} took {cs.ElapsedMicroSeconds} microseconds"
+        };
+
+        var error = await pool.Dial(ctx).ConfigureAwait(true);
+
+        Assert.Null(error);
+
+        using var client = FrostFSClient.GetSingleOwnerInstance(GetSingleOwnerOptions(this.keyString, this.url));
+
+        var result = await client.GetNodeInfoAsync();
+
+        Assert.False(string.IsNullOrEmpty(callbackText));
+        Assert.Contains(" took ", callbackText, StringComparison.Ordinal);
+    }
+
+    [Fact]
+    public async void GetSessionTest()
+    {
+        var options = GetDefaultParams();
+
+        using var pool = new Pool(options);
+
+        var error = await pool.Dial(new CallContext()).ConfigureAwait(true);
+
+        Assert.Null(error);
+
+        var prm = new PrmSessionCreate(100);
+
+        var token = await pool.CreateSessionAsync(prm).ConfigureAwait(true);
+
+        var session = new Session.SessionToken().Deserialize(token.Token);
+
+        var ownerHash = Base58.Decode(OwnerId!.Value);
+
+        Assert.NotNull(session);
+        Assert.Null(session.Body.Container);
+        Assert.Null(session.Body.Object);
+        Assert.Equal(16, session.Body.Id.Length);
+        Assert.Equal(100ul, session.Body.Lifetime.Exp);
+        Assert.Equal(ownerHash, session.Body.OwnerId.Value);
+        Assert.Equal(33, session.Body.SessionKey.Length);
+        Assert.Equal(ContextOneofCase.None, session.Body.ContextCase);
+    }
+
+    [Fact]
+    public async void CreateObjectWithSessionToken()
+    {
+        var options = GetDefaultParams();
+
+        using var pool = new Pool(options);
+
+        var error = await pool.Dial(new CallContext()).ConfigureAwait(true);
+
+        Assert.Null(error);
+
+        await Cleanup(pool);
+
+        var token = await pool.CreateSessionAsync(new PrmSessionCreate(int.MaxValue));
+
+        var createContainerParam = new PrmContainerCreate(
+            new FrostFsContainerInfo(new FrostFsPlacementPolicy(true, new FrostFsReplica(1))));
+
+        createContainerParam.XHeaders.Add("key1", "value1");
+
+        var containerId = await pool.CreateContainerAsync(createContainerParam);
+
+        var bytes = GetRandomBytes(1024);
+
+        var param = new PrmObjectPut
+        {
+            Header = new FrostFsObjectHeader(
+                containerId: containerId,
+                type: FrostFsObjectType.Regular,
+                [new FrostFsAttributePair("fileName", "test")]),
+            Payload = new MemoryStream(bytes),
+            ClientCut = false,
+            SessionToken = token
+        };
+
+        var objectId = await pool.PutObjectAsync(param).ConfigureAwait(true);
+
+        var @object = await pool.GetObjectAsync(new PrmObjectGet(containerId, objectId));
+
+        var downloadedBytes = new byte[@object.Header.PayloadLength];
+        MemoryStream ms = new(downloadedBytes);
+
+        ReadOnlyMemory<byte>? chunk = null;
+        while ((chunk = await @object.ObjectReader!.ReadChunk()) != null)
+        {
+            ms.Write(chunk.Value.Span);
+        }
+
+        Assert.Equal(SHA256.HashData(bytes), SHA256.HashData(downloadedBytes));
+
+        await Cleanup(pool);
+    }
+
+    [Fact]
+    public async void FilterTest()
+    {
+        var options = GetDefaultParams();
+
+        using var pool = new Pool(options);
+
+        var error = await pool.Dial(new CallContext()).ConfigureAwait(true);
+
+        Assert.Null(error);
+
+        await Cleanup(pool);
+
+        var createContainerParam = new PrmContainerCreate(
+           new FrostFsContainerInfo(new FrostFsPlacementPolicy(true, new FrostFsReplica(1))))
+        {
+            WaitParams = lightWait
+        };
+
+        var containerId = await pool.CreateContainerAsync(createContainerParam);
+
+        var bytes = new byte[] { 1, 2, 3 };
+
+        var ParentHeader = new FrostFsObjectHeader(
+                containerId: containerId,
+                type: FrostFsObjectType.Regular)
+        {
+            PayloadLength = 3
+        };
+
+        var param = new PrmObjectPut
+        {
+            Header = new FrostFsObjectHeader(
+                containerId: containerId,
+                type: FrostFsObjectType.Regular,
+                [new FrostFsAttributePair("fileName", "test")],
+                new FrostFsSplit()),
+            Payload = new MemoryStream(bytes),
+            ClientCut = false
+        };
+
+        var objectId = await pool.PutObjectAsync(param);
+
+        var head = await pool.GetObjectHeadAsync(new PrmObjectHeadGet(containerId, objectId));
+
+        var ecdsaKey = this.keyString.LoadWif();
+
+        var networkInfo = await pool.GetNetmapSnapshotAsync();
+
+        await CheckFilter(pool, containerId, new FilterByContainerId(FrostFsMatchType.Equals, containerId));
+
+        await CheckFilter(pool, containerId, new FilterByOwnerId(FrostFsMatchType.Equals, FrostFsOwner.FromKey(ecdsaKey)));
+
+        await CheckFilter(pool, containerId, new FilterBySplitId(FrostFsMatchType.Equals, param.Header.Split!.SplitId));
+
+        await CheckFilter(pool, containerId, new FilterByAttributePair(FrostFsMatchType.Equals, "fileName", "test"));
+
+        await CheckFilter(pool, containerId, new FilterByObjectId(FrostFsMatchType.Equals, objectId));
+
+        await CheckFilter(pool, containerId, new FilterByVersion(FrostFsMatchType.Equals, networkInfo.NodeInfoCollection[0].Version));
+
+        await CheckFilter(pool, containerId, new FilterByEpoch(FrostFsMatchType.Equals, networkInfo.Epoch));
+
+        await CheckFilter(pool, containerId, new FilterByPayloadLength(FrostFsMatchType.Equals, 3));
+
+        var checkSum = CheckSum.CreateCheckSum(bytes);
+
+        await CheckFilter(pool, containerId, new FilterByPayloadHash(FrostFsMatchType.Equals, checkSum));
+
+        await CheckFilter(pool, containerId, new FilterByPhysicallyStored());
+    }
+
+    private static async Task CheckFilter(Pool pool, FrostFsContainerId containerId, IObjectFilter filter)
+    {
+        var resultObjectsCount = 0;
+
+        PrmObjectSearch searchParam = new(containerId) { Filters = [filter] };
+
+        await foreach (var objId in pool.SearchObjectsAsync(searchParam))
+        {
+            resultObjectsCount++;
+            var objHeader = await pool.GetObjectHeadAsync(new PrmObjectHeadGet(containerId, objId));
+        }
+
+        Assert.True(0 < resultObjectsCount, $"Filter for {filter.Key} doesn't work");
+    }
+
+    [Theory]
+    [InlineData(1)]
+    [InlineData(3 * 1024 * 1024)]            // exactly one chunk size - 3MB
+    [InlineData(6 * 1024 * 1024 + 100)]
+    public async void SimpleScenarioTest(int objectSize)
+    {
+        var options = GetDefaultParams();
+
+        using var pool = new Pool(options);
+
+        var error = await pool.Dial(new CallContext()).ConfigureAwait(true);
+
+        Assert.Null(error);
+
+        await Cleanup(pool);
+
+        bool callbackInvoked = false;
+        var ctx = new CallContext
+        {
+            // Timeout = TimeSpan.FromSeconds(20),
+            Callback = new((CallStatistics cs) =>
+            {
+                callbackInvoked = true;
+                Assert.True(cs.ElapsedMicroSeconds > 0);
+            })
+        };
+
+        var createContainerParam = new PrmContainerCreate(
+            new FrostFsContainerInfo(new FrostFsPlacementPolicy(true, new FrostFsReplica(1)), [new("testKey", "testValue")]))
+        {
+            Context = ctx
+        };
+
+        var createdContainer = await pool.CreateContainerAsync(createContainerParam);
+
+        var container = await pool.GetContainerAsync(new PrmContainerGet(createdContainer) { Context = ctx });
+        Assert.NotNull(container);
+        Assert.True(callbackInvoked);
+
+        var bytes = GetRandomBytes(objectSize);
+
+        var param = new PrmObjectPut
+        {
+            Header = new FrostFsObjectHeader(
+                containerId: createdContainer,
+                type: FrostFsObjectType.Regular,
+                [new FrostFsAttributePair("fileName", "test")]),
+            Payload = new MemoryStream(bytes),
+            ClientCut = false,
+            Context = new CallContext
+            {
+                Callback = new((CallStatistics cs) => Assert.True(cs.ElapsedMicroSeconds > 0))
+            }
+        };
+
+        var objectId = await pool.PutObjectAsync(param);
+
+        var filter = new FilterByAttributePair(FrostFsMatchType.Equals, "fileName", "test");
+
+        bool hasObject = false;
+        await foreach (var objId in pool.SearchObjectsAsync(new PrmObjectSearch(createdContainer) { Filters = [filter] }))
+        {
+            hasObject = true;
+
+            var objHeader = await pool.GetObjectHeadAsync(new PrmObjectHeadGet(createdContainer, objectId));
+            Assert.Equal((ulong)bytes.Length, objHeader.PayloadLength);
+            Assert.NotNull(objHeader.Attributes);
+            Assert.Single(objHeader.Attributes!);
+            Assert.Equal("fileName", objHeader.Attributes!.First().Key);
+            Assert.Equal("test", objHeader.Attributes!.First().Value);
+        }
+
+        Assert.True(hasObject);
+
+        var @object = await pool.GetObjectAsync(new PrmObjectGet(createdContainer, objectId));
+
+        var downloadedBytes = new byte[@object.Header.PayloadLength];
+        MemoryStream ms = new(downloadedBytes);
+
+        ReadOnlyMemory<byte>? chunk = null;
+        while ((chunk = await @object.ObjectReader!.ReadChunk()) != null)
+        {
+            ms.Write(chunk.Value.Span);
+        }
+
+        Assert.Equal(SHA256.HashData(bytes), SHA256.HashData(downloadedBytes));
+
+        await Cleanup(pool);
+
+        await foreach (var _ in pool.ListContainersAsync())
+        {
+            Assert.Fail("Containers exist");
+        }
+    }
+
+    [Theory]
+    [InlineData(1)]
+    [InlineData(3 * 1024 * 1024)]            // exactly one chunk size - 3MB
+    [InlineData(6 * 1024 * 1024 + 100)]
+    public async void SimpleScenarioWithSessionTest(int objectSize)
+    {
+        var options = GetDefaultParams();
+
+        using var pool = new Pool(options);
+
+        var error = await pool.Dial(new CallContext()).ConfigureAwait(true);
+
+        Assert.Null(error);
+
+        var token = await pool.CreateSessionAsync(new PrmSessionCreate(int.MaxValue));
+
+        await Cleanup(pool);
+
+        var ctx = new CallContext
+        {
+            Timeout = TimeSpan.FromSeconds(20),
+            Callback = new((CallStatistics cs) => Assert.True(cs.ElapsedMicroSeconds > 0))
+        };
+
+        var createContainerParam = new PrmContainerCreate(
+            new FrostFsContainerInfo(new FrostFsPlacementPolicy(true, new FrostFsReplica(1))))
+        {
+            Context = ctx
+        };
+
+        var container = await pool.CreateContainerAsync(createContainerParam);
+
+        var containerInfo = await pool.GetContainerAsync(new PrmContainerGet(container) { Context = ctx });
+        Assert.NotNull(containerInfo);
+
+        var bytes = GetRandomBytes(objectSize);
+
+        var param = new PrmObjectPut
+        {
+            Header = new FrostFsObjectHeader(
+                containerId: container,
+                type: FrostFsObjectType.Regular,
+                [new FrostFsAttributePair("fileName", "test")]),
+            Payload = new MemoryStream(bytes),
+            ClientCut = false,
+            Context = new CallContext
+            {
+                Callback = new((CallStatistics cs) => Assert.True(cs.ElapsedMicroSeconds > 0))
+            },
+            SessionToken = token
+        };
+
+        var objectId = await pool.PutObjectAsync(param);
+
+        var filter = new FilterByAttributePair(FrostFsMatchType.Equals, "fileName", "test");
+
+        bool hasObject = false;
+        await foreach (var objId in pool.SearchObjectsAsync(new PrmObjectSearch(container) { Filters = [filter], SessionToken = token }))
+        {
+            hasObject = true;
+
+            var objHeader = await pool.GetObjectHeadAsync(new PrmObjectHeadGet(container, objectId) { SessionToken = token });
+            Assert.Equal((ulong)bytes.Length, objHeader.PayloadLength);
+            Assert.NotNull(objHeader.Attributes);
+            Assert.Single(objHeader.Attributes);
+            Assert.Equal("fileName", objHeader.Attributes.First().Key);
+            Assert.Equal("test", objHeader.Attributes.First().Value);
+        }
+
+        Assert.True(hasObject);
+
+        var @object = await pool.GetObjectAsync(new PrmObjectGet(container, objectId) { SessionToken = token });
+
+        var downloadedBytes = new byte[@object.Header.PayloadLength];
+        MemoryStream ms = new(downloadedBytes);
+
+        ReadOnlyMemory<byte>? chunk = null;
+        while ((chunk = await @object.ObjectReader!.ReadChunk()) != null)
+        {
+            ms.Write(chunk.Value.Span);
+        }
+
+        Assert.Equal(SHA256.HashData(bytes), SHA256.HashData(downloadedBytes));
+
+        await Cleanup(pool);
+
+        await foreach (var _ in pool.ListContainersAsync())
+        {
+            Assert.Fail("Containers exist");
+        }
+    }
+
+    [Theory]
+    [InlineData(1)]
+    [InlineData(64 * 1024 * 1024)]      // exactly 1 block size - 64MB
+    [InlineData(64 * 1024 * 1024 - 1)]
+    [InlineData(64 * 1024 * 1024 + 1)]
+    [InlineData(2 * 64 * 1024 * 1024 + 256)]
+    [InlineData(200)]
+    public async void ClientCutScenarioTest(int objectSize)
+    {
+        var options = GetDefaultParams();
+
+        using var pool = new Pool(options);
+
+        var error = await pool.Dial(new CallContext()).ConfigureAwait(true);
+
+        Assert.Null(error);
+
+        await Cleanup(pool);
+
+        var createContainerParam = new PrmContainerCreate(new FrostFsContainerInfo(new FrostFsPlacementPolicy(true, new FrostFsReplica(1))))
+        {
+            WaitParams = lightWait
+        };
+
+        var containerId = await pool.CreateContainerAsync(createContainerParam);
+
+        var ctx = new CallContext
+        {
+            Timeout = TimeSpan.FromSeconds(10),
+            Interceptors = new([new MetricsInterceptor()])
+        };
+
+        var container = await pool.GetContainerAsync(new PrmContainerGet(containerId) { Context = ctx });
+
+        Assert.NotNull(container);
+
+        byte[] bytes = GetRandomBytes(objectSize);
+
+        var param = new PrmObjectPut
+        {
+            Header = new FrostFsObjectHeader(
+                containerId: containerId,
+                type: FrostFsObjectType.Regular,
+                [new FrostFsAttributePair("fileName", "test")]),
+            Payload = new MemoryStream(bytes),
+            ClientCut = true
+        };
+
+        var objectId = await pool.PutObjectAsync(param);
+
+        var filter = new FilterByAttributePair(FrostFsMatchType.Equals, "fileName", "test");
+
+        bool hasObject = false;
+        await foreach (var objId in pool.SearchObjectsAsync(new PrmObjectSearch(containerId, filter)))
+        {
+            hasObject = true;
+
+            var objHeader = await pool.GetObjectHeadAsync(new PrmObjectHeadGet(containerId, objectId));
+            Assert.Equal((ulong)bytes.Length, objHeader.PayloadLength);
+            Assert.NotNull(objHeader.Attributes);
+            Assert.Single(objHeader.Attributes);
+            Assert.Equal("fileName", objHeader.Attributes[0].Key);
+            Assert.Equal("test", objHeader.Attributes[0].Value);
+        }
+
+        Assert.True(hasObject);
+
+        var @object = await pool.GetObjectAsync(new PrmObjectGet(containerId, objectId));
+
+        var downloadedBytes = new byte[@object.Header.PayloadLength];
+        MemoryStream ms = new(downloadedBytes);
+
+        ReadOnlyMemory<byte>? chunk = null;
+        while ((chunk = await @object.ObjectReader!.ReadChunk()) != null)
+        {
+            ms.Write(chunk.Value.Span);
+        }
+
+        Assert.Equal(SHA256.HashData(bytes), SHA256.HashData(downloadedBytes));
+
+        await CheckFilter(pool, containerId, new FilterByRootObject());
+
+        await Cleanup(pool);
+
+        var deadline = DateTime.UtcNow.Add(TimeSpan.FromSeconds(5));
+
+        IAsyncEnumerator<FrostFsContainerId>? enumerator = null;
+        do
+        {
+            if (deadline <= DateTime.UtcNow)
+            {
+                Assert.Fail("Containers exist");
+                break;
+            }
+
+            enumerator = pool.ListContainersAsync().GetAsyncEnumerator();
+            await Task.Delay(500);
+        }
+        while (await enumerator!.MoveNextAsync());
+    }
+
+    private static byte[] GetRandomBytes(int size)
+    {
+        Random rnd = new();
+        var bytes = new byte[size];
+        rnd.NextBytes(bytes);
+        return bytes;
+    }
+
+    private static IOptions<SingleOwnerClientSettings> GetSingleOwnerOptions(string key, string url)
+    {
+        return Options.Create(new SingleOwnerClientSettings
+        {
+            Key = key,
+            Host = url
+        });
+    }
+
+    private static IOptions<ClientSettings> GetOptions(string url)
+    {
+        return Options.Create(new ClientSettings
+        {
+            Host = url
+        });
+    }
+
+    static async Task Cleanup(Pool pool)
+    {
+        await foreach (var cid in pool.ListContainersAsync())
+        {
+            await pool.DeleteContainerAsync(new PrmContainerDelete(cid) { WaitParams = lightWait }).ConfigureAwait(true);
+        }
+    }
+}

src/FrostFS.SDK.Tests/SessionTests.cs

@@ -1,56 +1,11 @@
-using System.Security.Cryptography;
+using System.Diagnostics.CodeAnalysis;
 
 using FrostFS.SDK.ClientV2;
-using FrostFS.SDK.ClientV2.Interfaces;
 using FrostFS.SDK.ClientV2.Mappers.GRPC;
-using FrostFS.SDK.ClientV2;
-using FrostFS.SDK.Cryptography;
-
-using Microsoft.Extensions.Options;
 
 namespace FrostFS.SDK.Tests;
 
-public abstract class SessionTestsBase
-{
-    protected readonly string key = "KwHDAJ66o8FoLBjVbjP2sWBmgBMGjt7Vv4boA7xQrBoAYBE397Aq";
-
-    protected IOptions<SingleOwnerClientSettings> Settings { get; set; }
-
-
-    protected ECDsa ECDsaKey { get; set; }
-    protected FrostFsOwner OwnerId { get; set; }
-    protected SessionMocker Mocker { get; set; }
-
-    protected SessionTestsBase()
-    {
-        Settings = Options.Create(new SingleOwnerClientSettings
-        {
-            Key = key,
-            Host = "http://localhost:8080"
-        });
-
-        ECDsaKey = key.LoadWif();
-        OwnerId = FrostFsOwner.FromKey(ECDsaKey);
-
-        Mocker = new SessionMocker(this.key)
-        {
-            PlacementPolicy = new FrostFsPlacementPolicy(true, new FrostFsReplica(1)),
-            Version = new FrostFsVersion(2, 13)
-        };
-    }
-
-    protected IFrostFSClient GetClient()
-    {
-        return ClientV2.FrostFSClient.GetTestInstance(
-            Settings,
-            null,
-            new NetworkMocker(this.key).GetMock().Object,
-            Mocker.GetMock().Object,
-            new ContainerMocker(this.key).GetMock().Object,
-            new ObjectMocker(this.key).GetMock().Object);
-    }
-}
-
+[SuppressMessage("Reliability", "CA2007:Consider calling ConfigureAwait on the awaited task", Justification = "Default Value is correct for tests")]
 public class SessionTest : SessionTestsBase
 {
     [Theory]
@@ -64,7 +19,7 @@ public class SessionTest : SessionTestsBase
         if (useContext)
         {
             param.XHeaders.Add("headerKey1", "headerValue1");
-            param.Context = new Context
+            param.Context = new CallContext
             {
                 CancellationToken = Mocker.CancellationTokenSource.Token,
                 Timeout = TimeSpan.FromSeconds(20),
@@ -101,7 +56,6 @@ public class SessionTest : SessionTestsBase
         Assert.NotNull(Mocker.CreateSessionRequest.MetaHeader);
         Assert.Equal(Mocker.Version.ToMessage(), Mocker.CreateSessionRequest.MetaHeader.Version);
 
-
         Assert.Null(Mocker.Metadata);
 
         if (useContext)

src/FrostFS.SDK.Tests/SessionTestsBase.cs

@@ -0,0 +1,48 @@
+using System.Security.Cryptography;
+
+using FrostFS.SDK.ClientV2.Interfaces;
+using FrostFS.SDK.Cryptography;
+
+using Microsoft.Extensions.Options;
+
+namespace FrostFS.SDK.Tests;
+
+public abstract class SessionTestsBase
+{
+    internal readonly string key = "KwHDAJ66o8FoLBjVbjP2sWBmgBMGjt7Vv4boA7xQrBoAYBE397Aq";
+
+    protected IOptions<SingleOwnerClientSettings> Settings { get; set; }
+
+    protected ECDsa ECDsaKey { get; set; }
+    protected FrostFsOwner OwnerId { get; set; }
+    protected SessionMocker Mocker { get; set; }
+
+    protected SessionTestsBase()
+    {
+        Settings = Options.Create(new SingleOwnerClientSettings
+        {
+            Key = key,
+            Host = "http://localhost:8080"
+        });
+
+        ECDsaKey = key.LoadWif();
+        OwnerId = FrostFsOwner.FromKey(ECDsaKey);
+
+        Mocker = new SessionMocker(this.key)
+        {
+            PlacementPolicy = new FrostFsPlacementPolicy(true, new FrostFsReplica(1)),
+            Version = new FrostFsVersion(2, 13)
+        };
+    }
+
+    protected IFrostFSClient GetClient()
+    {
+        return ClientV2.FrostFSClient.GetTestInstance(
+            Settings,
+            null,
+            new NetworkMocker(this.key).GetMock().Object,
+            Mocker.GetMock().Object,
+            new ContainerMocker(this.key).GetMock().Object,
+            new ObjectMocker(this.key).GetMock().Object);
+    }
+}

src/FrostFS.SDK.Tests/SmokeClientTests.cs

@@ -1,24 +1,42 @@
+using System.Diagnostics.CodeAnalysis;
 using System.Security.Cryptography;
+
 using FrostFS.SDK.ClientV2;
 using FrostFS.SDK.ClientV2.Interfaces;
 using FrostFS.SDK.Cryptography;
+
 using Microsoft.Extensions.Options;
 
 using static FrostFS.Session.SessionToken.Types.Body;
-using FrostFS.SDK.ClientV2;
 
 namespace FrostFS.SDK.SmokeTests;
 
-public class SmokeTests : SmokeTestsBase
+[SuppressMessage("Reliability", "CA2007:Consider calling ConfigureAwait on the awaited task", Justification = "Default Value is correct for tests")]
+[SuppressMessage("Security", "CA5394:Do not use insecure randomness", Justification = "No secure purpose")]
+public class SmokeClientTests : SmokeTestsBase
 {
     private static readonly PrmWait lightWait = new(100, 1);
 
+    [Theory]
+    [InlineData(false)]
+    [InlineData(true)]
+    public async void AccountTest(bool isSingleOnwerClient)
+    {
+        using var client = isSingleOnwerClient
+            ? FrostFSClient.GetSingleOwnerInstance(GetSingleOwnerOptions(this.keyString, this.url))
+            : FrostFSClient.GetInstance(GetOptions(this.url));
+
+        PrmBalance? prm = isSingleOnwerClient ? default : new() { Context = Ctx };
+
+        var result = await client.GetBalanceAsync(prm);
+    }
+
     [Theory]
     [InlineData(false)]
     [InlineData(true)]
     public async void NetworkMapTest(bool isSingleOnwerClient)
     {
-        using var client = isSingleOnwerClient ? FrostFSClient.GetSingleOwnerInstance(GetSingleOwnerOptions(this.key, this.url)) : FrostFSClient.GetInstance(GetOptions(this.url));
+        using var client = isSingleOnwerClient ? FrostFSClient.GetSingleOwnerInstance(GetSingleOwnerOptions(this.keyString, this.url)) : FrostFSClient.GetInstance(GetOptions(this.url));
 
         PrmNetmapSnapshot? prm = isSingleOnwerClient ? default : new() { Context = Ctx };
         var result = await client.GetNetmapSnapshotAsync(prm);
@@ -41,7 +59,7 @@ public class SmokeTests : SmokeTestsBase
     [InlineData(true)]
     public async void NodeInfoTest(bool isSingleOnwerClient)
     {
-        using var client = isSingleOnwerClient ? FrostFSClient.GetSingleOwnerInstance(GetSingleOwnerOptions(this.key, this.url)) : FrostFSClient.GetInstance(GetOptions(this.url));
+        using var client = isSingleOnwerClient ? FrostFSClient.GetSingleOwnerInstance(GetSingleOwnerOptions(this.keyString, this.url)) : FrostFSClient.GetInstance(GetOptions(this.url));
 
         PrmNodeInfo? prm = isSingleOnwerClient ? default : new() { Context = Ctx };
 
@@ -56,14 +74,14 @@ public class SmokeTests : SmokeTestsBase
     }
 
     [Fact]
-    public async void NodeInfo_Statistics_Test()
+    public async void NodeInfoStatisticsTest()
     {
-        var ctx = new Context
+        var ctx = new CallContext
         {
             Callback = (cs) => Console.WriteLine($"{cs.MethodName} took {cs.ElapsedMicroSeconds} microseconds")
         };
 
-        using var client = FrostFSClient.GetSingleOwnerInstance(GetSingleOwnerOptions(this.key, this.url));
+        using var client = FrostFSClient.GetSingleOwnerInstance(GetSingleOwnerOptions(this.keyString, this.url));
 
         var result = await client.GetNodeInfoAsync();
     }
@@ -73,7 +91,7 @@ public class SmokeTests : SmokeTestsBase
     [InlineData(true)]
     public async void GetSessionTest(bool isSingleOnwerClient)
     {
-        using var client = isSingleOnwerClient ? FrostFSClient.GetSingleOwnerInstance(GetSingleOwnerOptions(this.key, this.url)) : FrostFSClient.GetInstance(GetOptions(this.url));
+        using var client = isSingleOnwerClient ? FrostFSClient.GetSingleOwnerInstance(GetSingleOwnerOptions(this.keyString, this.url)) : FrostFSClient.GetInstance(GetOptions(this.url));
 
         PrmSessionCreate? prm = isSingleOnwerClient ? new PrmSessionCreate(100) : new PrmSessionCreate(100) { Context = Ctx };
 
@@ -81,7 +99,7 @@ public class SmokeTests : SmokeTestsBase
 
         var session = new Session.SessionToken().Deserialize(token.Token);
 
-        var ownerHash = Base58.Decode(OwnerId.Value);
+        var ownerHash = Base58.Decode(OwnerId!.Value);
 
         Assert.NotNull(session);
         Assert.Null(session.Body.Container);
@@ -96,7 +114,7 @@ public class SmokeTests : SmokeTestsBase
     [Fact]
     public async void CreateObjectWithSessionToken()
     {
-        using var client = FrostFSClient.GetSingleOwnerInstance(GetSingleOwnerOptions(this.key, this.url));
+        using var client = FrostFSClient.GetSingleOwnerInstance(GetSingleOwnerOptions(this.keyString, this.url));
 
         await Cleanup(client);
 
@@ -144,11 +162,7 @@ public class SmokeTests : SmokeTestsBase
     [Fact]
     public async void FilterTest()
     {
-        using var client = FrostFSClient.GetSingleOwnerInstance(GetSingleOwnerOptions(this.key, this.url));
-
-        //var prm = new PrmApeChainList(new FrostFsChainTarget(FrostFsTargetType.Namespace, "root"));
-
-        //var chains = await client.ListChainAsync(prm);
+        using var client = FrostFSClient.GetSingleOwnerInstance(GetSingleOwnerOptions(this.keyString, this.url));
 
         await Cleanup(client);
 
@@ -184,7 +198,7 @@ public class SmokeTests : SmokeTestsBase
 
         var head = await client.GetObjectHeadAsync(new PrmObjectHeadGet(containerId, objectId));
 
-        var ecdsaKey = this.key.LoadWif();
+        var ecdsaKey = this.keyString.LoadWif();
 
         var networkInfo = await client.GetNetmapSnapshotAsync();
 
@@ -192,7 +206,7 @@ public class SmokeTests : SmokeTestsBase
 
         await CheckFilter(client, containerId, new FilterByOwnerId(FrostFsMatchType.Equals, FrostFsOwner.FromKey(ecdsaKey)));
 
-        await CheckFilter(client, containerId, new FilterBySplitId(FrostFsMatchType.Equals, param.Header.Split.SplitId));
+        await CheckFilter(client, containerId, new FilterBySplitId(FrostFsMatchType.Equals, param.Header.Split!.SplitId));
 
         await CheckFilter(client, containerId, new FilterByAttributePair(FrostFsMatchType.Equals, "fileName", "test"));
 
@@ -232,12 +246,12 @@ public class SmokeTests : SmokeTestsBase
     [InlineData(6 * 1024 * 1024 + 100)]
     public async void SimpleScenarioTest(int objectSize)
     {
-        using var client = FrostFSClient.GetSingleOwnerInstance(GetSingleOwnerOptions(this.key, this.url));
+        using var client = FrostFSClient.GetSingleOwnerInstance(GetSingleOwnerOptions(this.keyString, this.url));
 
         await Cleanup(client);
 
         bool callbackInvoked = false;
-        var ctx = new Context
+        var ctx = new CallContext
         {
             // Timeout = TimeSpan.FromSeconds(20),
             Callback = new((CallStatistics cs) =>
@@ -269,7 +283,7 @@ public class SmokeTests : SmokeTestsBase
                 [new FrostFsAttributePair("fileName", "test")]),
             Payload = new MemoryStream(bytes),
             ClientCut = false,
-            Context = new Context
+            Context = new CallContext
             {
                 Callback = new((CallStatistics cs) => Assert.True(cs.ElapsedMicroSeconds > 0))
             }
@@ -286,6 +300,7 @@ public class SmokeTests : SmokeTestsBase
 
             var objHeader = await client.GetObjectHeadAsync(new PrmObjectHeadGet(createdContainer, objectId));
             Assert.Equal((ulong)bytes.Length, objHeader.PayloadLength);
+            Assert.NotNull(objHeader.Attributes);
             Assert.Single(objHeader.Attributes);
             Assert.Equal("fileName", objHeader.Attributes.First().Key);
             Assert.Equal("test", objHeader.Attributes.First().Value);
@@ -304,7 +319,7 @@ public class SmokeTests : SmokeTestsBase
             ms.Write(chunk.Value.Span);
         }
 
-        Assert.Equal(MD5.HashData(bytes), MD5.HashData(downloadedBytes));
+        Assert.Equal(SHA256.HashData(bytes), SHA256.HashData(downloadedBytes));
 
         await Cleanup(client);
 
@@ -320,13 +335,13 @@ public class SmokeTests : SmokeTestsBase
     [InlineData(6 * 1024 * 1024 + 100)]
     public async void SimpleScenarioWithSessionTest(int objectSize)
     {
-        using var client = FrostFSClient.GetSingleOwnerInstance(GetSingleOwnerOptions(this.key, this.url));
+        using var client = FrostFSClient.GetSingleOwnerInstance(GetSingleOwnerOptions(this.keyString, this.url));
 
         var token = await client.CreateSessionAsync(new PrmSessionCreate(int.MaxValue));
 
         await Cleanup(client);
 
-        var ctx = new Context
+        var ctx = new CallContext
         {
             Timeout = TimeSpan.FromSeconds(20),
             Callback = new((CallStatistics cs) => Assert.True(cs.ElapsedMicroSeconds > 0))
@@ -353,7 +368,7 @@ public class SmokeTests : SmokeTestsBase
                 [new FrostFsAttributePair("fileName", "test")]),
             Payload = new MemoryStream(bytes),
             ClientCut = false,
-            Context = new Context
+            Context = new CallContext
             {
                 Callback = new((CallStatistics cs) => Assert.True(cs.ElapsedMicroSeconds > 0))
             },
@@ -371,6 +386,7 @@ public class SmokeTests : SmokeTestsBase
 
             var objHeader = await client.GetObjectHeadAsync(new PrmObjectHeadGet(container, objectId) { SessionToken = token });
             Assert.Equal((ulong)bytes.Length, objHeader.PayloadLength);
+            Assert.NotNull(objHeader.Attributes);
             Assert.Single(objHeader.Attributes);
             Assert.Equal("fileName", objHeader.Attributes.First().Key);
             Assert.Equal("test", objHeader.Attributes.First().Value);
@@ -389,7 +405,7 @@ public class SmokeTests : SmokeTestsBase
             ms.Write(chunk.Value.Span);
         }
 
-        Assert.Equal(MD5.HashData(bytes), MD5.HashData(downloadedBytes));
+        Assert.Equal(SHA256.HashData(bytes), SHA256.HashData(downloadedBytes));
 
         await Cleanup(client);
 
@@ -408,7 +424,7 @@ public class SmokeTests : SmokeTestsBase
     [InlineData(200)]
     public async void ClientCutScenarioTest(int objectSize)
     {
-        using var client = FrostFSClient.GetSingleOwnerInstance(GetSingleOwnerOptions(this.key, this.url));
+        using var client = FrostFSClient.GetSingleOwnerInstance(GetSingleOwnerOptions(this.keyString, this.url));
 
         await Cleanup(client);
 
@@ -419,7 +435,7 @@ public class SmokeTests : SmokeTestsBase
 
         var containerId = await client.CreateContainerAsync(createContainerParam);
 
-        var ctx = new Context
+        var ctx = new CallContext
         {
             Timeout = TimeSpan.FromSeconds(10),
             Interceptors = new([new MetricsInterceptor()])
@@ -452,6 +468,7 @@ public class SmokeTests : SmokeTestsBase
 
             var objHeader = await client.GetObjectHeadAsync(new PrmObjectHeadGet(containerId, objectId));
             Assert.Equal((ulong)bytes.Length, objHeader.PayloadLength);
+            Assert.NotNull(objHeader.Attributes);
             Assert.Single(objHeader.Attributes);
             Assert.Equal("fileName", objHeader.Attributes[0].Key);
             Assert.Equal("test", objHeader.Attributes[0].Value);
@@ -470,7 +487,7 @@ public class SmokeTests : SmokeTestsBase
             ms.Write(chunk.Value.Span);
         }
 
-        Assert.Equal(MD5.HashData(bytes), MD5.HashData(downloadedBytes));
+        Assert.Equal(SHA256.HashData(bytes), SHA256.HashData(downloadedBytes));
 
         await CheckFilter(client, containerId, new FilterByRootObject());
 

src/FrostFS.SDK.Tests/SmokeTestsBase.cs

@@ -7,24 +7,24 @@ namespace FrostFS.SDK.SmokeTests;
 
 public abstract class SmokeTestsBase
 {
-    protected readonly string key = "KzPXA6669m2pf18XmUdoR8MnP1pi1PMmefiFujStVFnv7WR5SRmK";
-    
-    protected readonly string url = "http://172.23.32.4:8080";
+    internal readonly string keyString = "KzPXA6669m2pf18XmUdoR8MnP1pi1PMmefiFujStVFnv7WR5SRmK";
 
-    protected ECDsa Key { get; }
+    internal readonly string url = "http://172.23.32.4:8080";
 
-    protected FrostFsOwner OwnerId { get; }
+    protected ECDsa? Key { get; }
 
-    protected FrostFsVersion Version { get; }
+    protected FrostFsOwner? OwnerId { get; }
 
-    protected Context Ctx { get; }
+    protected FrostFsVersion? Version { get; }
+
+    protected CallContext? Ctx { get; }
 
     protected SmokeTestsBase()
     {
-        Key = key.LoadWif();
+        Key = keyString.LoadWif();
         OwnerId = FrostFsOwner.FromKey(Key);
         Version = new FrostFsVersion(2, 13);
 
-        Ctx = new Context { Key = Key, OwnerId = OwnerId, Version = Version };
+        Ctx = new CallContext { Key = Key, OwnerId = OwnerId, Version = Version };
     }
 }