diff --git a/go.mod b/go.mod
index 54183b9..cfcd433 100644
--- a/go.mod
+++ b/go.mod
@@ -25,6 +25,7 @@ require (
 	github.com/spf13/afero v1.11.0 // indirect
 	github.com/spf13/cast v1.6.0 // indirect
 	github.com/spf13/pflag v1.0.5 // indirect
+	github.com/stretchr/objx v0.5.0 // indirect
 	github.com/subosito/gotenv v1.6.0 // indirect
 	github.com/tarantool/go-iproto v1.0.0 // indirect
 	github.com/vmihailenco/msgpack/v5 v5.3.5 // indirect
diff --git a/go.sum b/go.sum
index e60ebd7..4d7072b 100644
--- a/go.sum
+++ b/go.sum
@@ -40,6 +40,7 @@ github.com/spf13/viper v1.18.2 h1:LUXCnvUvSM6FXAsj6nnfc8Q2tp1dIgUfY9Kc8GsSOiQ=
 github.com/spf13/viper v1.18.2/go.mod h1:EKmWIqdnk5lOcmR72yw6hS+8OPYcwD0jteitLMVB+yk=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/objx v0.4.0/go.mod h1:YvHI0jy2hoMjB+UWwv71VJQ9isScKT/TqJzVSSt89Yw=
+github.com/stretchr/objx v0.5.0 h1:1zr/of2m5FGMsad5YfcqgdqdWrIhu+EBEJRhR1U7z/c=
 github.com/stretchr/objx v0.5.0/go.mod h1:Yh+to48EsGEfYuaHDzXPcE3xhTkx73EhmCGUpEOglKo=
 github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
 github.com/stretchr/testify v1.6.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
diff --git a/vshard_test.go b/vshard_test.go
index a8b526a..1c81935 100644
--- a/vshard_test.go
+++ b/vshard_test.go
@@ -2,19 +2,79 @@ package vshard_router_test
 
 import (
 	"context"
+	"fmt"
 	"testing"
+	"time"
 
 	"github.com/google/uuid"
+	"github.com/stretchr/testify/mock"
 	"github.com/stretchr/testify/require"
 
-	vshard_router "github.com/KaymeKaydex/go-vshard-router"
+	vshardrouter "github.com/KaymeKaydex/go-vshard-router"
 	"github.com/KaymeKaydex/go-vshard-router/providers/static"
 )
 
+var validRS = map[vshardrouter.ReplicasetInfo][]vshardrouter.InstanceInfo{
+	vshardrouter.ReplicasetInfo{
+		UUID: uuid.New(),
+		Name: "test",
+	}: {
+		{
+			Addr: "127.0.0.1:3301",
+			UUID: uuid.New(),
+		},
+	},
+}
+
+type MockRouter struct {
+	mock.Mock
+}
+
+func (m *MockRouter) DiscoveryAllBuckets(ctx context.Context) error {
+	args := m.Called(ctx)
+	return args.Error(0)
+}
+
+func TestNewRouter(t *testing.T) {
+	ctx := context.Background()
+
+	// Создаем мок для Router
+	mockRouter := new(MockRouter)
+	mockRouter.On("DiscoveryAllBuckets", mock.Anything).Return(nil)
+
+	router, err := vshardrouter.NewRouter(ctx, vshardrouter.Config{
+		DiscoveryTimeout: time.Second,
+		TopologyProvider: static.NewProvider(validRS),
+		TotalBucketCount: 128000,
+	})
+	require.NoError(t, err)
+	require.NotNil(t, router)
+}
+
+func TestRouter_RouterBucketCount(t *testing.T) {
+	ctx := context.Background()
+
+	// Создаем мок для Router
+	mockRouter := new(MockRouter)
+	mockRouter.On("DiscoveryAllBuckets", mock.Anything).Return(nil)
+
+	for i := uint64(1); i < 500; i += 50 {
+		t.Run(fmt.Sprintf("%d", i), func(t *testing.T) {
+			router, _ := vshardrouter.NewRouter(ctx, vshardrouter.Config{
+				DiscoveryTimeout: time.Second,
+				TopologyProvider: static.NewProvider(validRS),
+				TotalBucketCount: i,
+			})
+
+			require.Equal(t, i, router.RouterBucketCount())
+		})
+	}
+}
+
 func TestNewRouter_EmptyReplicasets(t *testing.T) {
 	ctx := context.TODO()
 
-	router, err := vshard_router.NewRouter(ctx, vshard_router.Config{})
+	router, err := vshardrouter.NewRouter(ctx, vshardrouter.Config{})
 	require.Error(t, err)
 	require.Nil(t, router)
 }
@@ -22,9 +82,9 @@ func TestNewRouter_EmptyReplicasets(t *testing.T) {
 func TestNewRouter_InvalidReplicasetUUID(t *testing.T) {
 	ctx := context.TODO()
 
-	router, err := vshard_router.NewRouter(ctx, vshard_router.Config{
-		TopologyProvider: static.NewProvider(map[vshard_router.ReplicasetInfo][]vshard_router.InstanceInfo{
-			vshard_router.ReplicasetInfo{
+	router, err := vshardrouter.NewRouter(ctx, vshardrouter.Config{
+		TopologyProvider: static.NewProvider(map[vshardrouter.ReplicasetInfo][]vshardrouter.InstanceInfo{
+			vshardrouter.ReplicasetInfo{
 				Name: "123",
 			}: {
 				{Addr: "first.internal:1212"},
@@ -39,9 +99,9 @@ func TestNewRouter_InvalidReplicasetUUID(t *testing.T) {
 func TestNewRouter_InstanceAddr(t *testing.T) {
 	ctx := context.TODO()
 
-	router, err := vshard_router.NewRouter(ctx, vshard_router.Config{
-		TopologyProvider: static.NewProvider(map[vshard_router.ReplicasetInfo][]vshard_router.InstanceInfo{
-			vshard_router.ReplicasetInfo{
+	router, err := vshardrouter.NewRouter(ctx, vshardrouter.Config{
+		TopologyProvider: static.NewProvider(map[vshardrouter.ReplicasetInfo][]vshardrouter.InstanceInfo{
+			vshardrouter.ReplicasetInfo{
 				Name: "123",
 				UUID: uuid.New(),
 			}: {
@@ -56,12 +116,12 @@ func TestNewRouter_InstanceAddr(t *testing.T) {
 
 func TestRouterBucketIDStrCRC32(t *testing.T) {
 	// required values from tarantool example
-	require.Equal(t, uint64(103202), vshard_router.BucketIDStrCRC32("2707623829", uint64(256000)))
-	require.Equal(t, uint64(35415), vshard_router.BucketIDStrCRC32("2706201716", uint64(256000)))
+	require.Equal(t, uint64(103202), vshardrouter.BucketIDStrCRC32("2707623829", uint64(256000)))
+	require.Equal(t, uint64(35415), vshardrouter.BucketIDStrCRC32("2706201716", uint64(256000)))
 }
 
 func BenchmarkRouterBucketIDStrCRC32(b *testing.B) {
 	for i := 0; i < b.N; i++ {
-		vshard_router.BucketIDStrCRC32("test_bench_key", uint64(256000))
+		vshardrouter.BucketIDStrCRC32("test_bench_key", uint64(256000))
 	}
 }