[#24] Client: Implement pool part1

first iteration - base classes and methods

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

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);
+    }
+}