[#24] Client: Implement pool part1

first iteration - base classes and methods

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

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);
+    }
+}