diff --git a/migrator/storage_map_datadb_test.go b/migrator/storage_map_datadb_test.go
new file mode 100644
index 000000000..851aca0b1
--- /dev/null
+++ b/migrator/storage_map_datadb_test.go
@@ -0,0 +1,220 @@
+/*
+Real-time Online/Offline Charging System (OCS) for Telecom & ISP environments
+Copyright (C) ITsysCOM GmbH
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see <http://www.gnu.org/licenses/>
+*/
+
+package migrator
+
+import (
+	"testing"
+
+	"github.com/cgrates/cgrates/engine"
+	"github.com/cgrates/cgrates/utils"
+)
+
+func TestInternalMigratorSetV1Account(t *testing.T) {
+	iDBMig := &internalMigrator{}
+	account := &v1Account{
+		Id: "id",
+		BalanceMap: map[string]v1BalanceChain{
+			"chain1": {},
+		},
+		UnitCounters: []*v1UnitsCounter{
+			{},
+		},
+		ActionTriggers: v1ActionTriggers{},
+		AllowNegative:  true,
+		Disabled:       false,
+	}
+	err := iDBMig.setV1Account(account)
+	if err != utils.ErrNotImplemented {
+		t.Fatalf("Expected error to be ErrNotImplemented, but got %v", err)
+	}
+}
+
+func TestInternalMigratorSetAndRemV2Account(t *testing.T) {
+	iDBMig := &internalMigrator{}
+	Account := &v2Account{
+		ID:             "id",
+		BalanceMap:     make(map[string]engine.Balances),
+		UnitCounters:   engine.UnitCounters{},
+		ActionTriggers: engine.ActionTriggers{},
+		AllowNegative:  true,
+		Disabled:       false,
+	}
+	ID := "id"
+	err := iDBMig.setV2Account(Account)
+	if err != utils.ErrNotImplemented {
+		t.Fatalf("Expected error for setV2Account to be ErrNotImplemented, but got %v", err)
+	}
+	err = iDBMig.remV2Account(ID)
+	if err != utils.ErrNotImplemented {
+		t.Fatalf("Expected error for remV2Account to be ErrNotImplemented, but got %v", err)
+	}
+}
+
+func TestInternalMigratorMethods(t *testing.T) {
+	iDBMig := &internalMigrator{}
+	v1aps, err := iDBMig.getV1ActionPlans()
+	if v1aps != nil {
+		t.Fatalf("Expected v1ActionPlans to be nil, but got %v", v1aps)
+	}
+	if err != utils.ErrNotImplemented {
+		t.Fatalf("Expected error for getV1ActionPlans to be ErrNotImplemented, but got %v", err)
+	}
+	v1acs, err := iDBMig.getV1Actions()
+	if v1acs != nil {
+		t.Fatalf("Expected v1Actions to be nil, but got %v", v1acs)
+	}
+	if err != utils.ErrNotImplemented {
+		t.Fatalf("Expected error for getV1Actions to be ErrNotImplemented, but got %v", err)
+	}
+
+}
+
+func TestInternalMigratorGetV1RouteProfile(t *testing.T) {
+	iDBMig := &internalMigrator{}
+	v1chrPrf, err := iDBMig.getV1RouteProfile()
+	if v1chrPrf != nil {
+		t.Fatalf("Expected v1chrPrf to be nil, but got %v", v1chrPrf)
+	}
+	if err != utils.ErrNotImplemented {
+		t.Fatalf("Expected error to be ErrNotImplemented, but got %v", err)
+	}
+}
+
+func TestInternalMigratorDataManager(t *testing.T) {
+	dataManager := &engine.DataManager{}
+	iDBMig := &internalMigrator{
+		dm: dataManager,
+	}
+	returnedDM := iDBMig.DataManager()
+	if returnedDM != dataManager {
+		t.Fatalf("Expected DataManager to be %v, but got %v", dataManager, returnedDM)
+	}
+}
+
+func TestInternalMigratorGetv1Account(t *testing.T) {
+	iDBMig := &internalMigrator{}
+	v1Acnt, err := iDBMig.getv1Account()
+	if v1Acnt != nil {
+		t.Fatalf("Expected v1Acnt to be nil, but got %v", v1Acnt)
+	}
+	if err != utils.ErrNotImplemented {
+		t.Fatalf("Expected error to be ErrNotImplemented, but got %v", err)
+	}
+}
+
+func TestInternalMigratorRemV1Account(t *testing.T) {
+	iDBMig := &internalMigrator{}
+	testID := "id"
+	err := iDBMig.remV1Account(testID)
+	if err != utils.ErrNotImplemented {
+		t.Fatalf("Expected error to be ErrNotImplemented, but got %v", err)
+	}
+}
+
+func TestInternalMigratorGetv2Account(t *testing.T) {
+	iDBMig := &internalMigrator{}
+	v2Acnt, err := iDBMig.getv2Account()
+	if v2Acnt != nil {
+		t.Fatalf("Expected v2Account to be nil, but got %v", v2Acnt)
+	}
+	if err != utils.ErrNotImplemented {
+		t.Fatalf("Expected error to be ErrNotImplemented, but got %v", err)
+	}
+}
+
+func TestInternalMigratorProfileMethods(t *testing.T) {
+	iDBMig := &internalMigrator{}
+	v1chrPrf, err := iDBMig.getV1ChargerProfile()
+	if v1chrPrf != nil {
+		t.Fatalf("Expected ChargerProfile to be nil, but got %v", v1chrPrf)
+	}
+	if err != utils.ErrNotImplemented {
+		t.Fatalf("Expected error for getV1ChargerProfile to be ErrNotImplemented, but got %v", err)
+	}
+
+}
+
+func TestInternalMigratorGetV1DispatcherProfile(t *testing.T) {
+	iDBMig := &internalMigrator{}
+	v1chrPrf, err := iDBMig.getV1DispatcherProfile()
+	if v1chrPrf != nil {
+		t.Fatalf("Expected DispatcherProfile to be nil, but got %v", v1chrPrf)
+	}
+	if err != utils.ErrNotImplemented {
+		t.Fatalf("Expected error to be ErrNotImplemented, but got %v", err)
+	}
+}
+
+func TestInternalMigratorRemSupplier(t *testing.T) {
+	iDBMig := &internalMigrator{}
+	tenant := "cgrates.org"
+	id := "ID"
+	err := iDBMig.remSupplier(tenant, id)
+	if err != utils.ErrNotImplemented {
+		t.Fatalf("Expected error to be ErrNotImplemented, but got %v", err)
+	}
+}
+
+func TestInternalMigratorSetSupplier(t *testing.T) {
+	iDBMig := &internalMigrator{}
+	supplierProfile := &SupplierProfile{
+		Tenant:    "cgrates.org",
+		ID:        "1",
+		FilterIDs: []string{"id1", "id2", "id3"},
+		Sorting:   "sorting",
+		Weight:    10,
+	}
+	err := iDBMig.setSupplier(supplierProfile)
+	if err != utils.ErrNotImplemented {
+		t.Fatalf("Expected error to be ErrNotImplemented, but got %v", err)
+	}
+}
+
+func TestInternalMigratorGetSupplier(t *testing.T) {
+	iDBMig := &internalMigrator{}
+	supplier, err := iDBMig.getSupplier()
+	if supplier != nil {
+		t.Fatalf("Expected supplier to be nil, but got %v", supplier)
+	}
+	if err != utils.ErrNotImplemented {
+		t.Fatalf("Expected error to be ErrNotImplemented, but got %v", err)
+	}
+}
+
+func TestInternalMigratorRemV1Filter(t *testing.T) {
+	iDBMig := &internalMigrator{}
+	tenant := "cgrates.org"
+	id := "ID"
+	err := iDBMig.remV1Filter(tenant, id)
+	if err != utils.ErrNotImplemented {
+		t.Fatalf("Expected error to be ErrNotImplemented, but got %v", err)
+	}
+}
+
+func TestInternalMigratorSetV1Filter(t *testing.T) {
+	iDBMig := &internalMigrator{}
+	sampleFilter := &v1Filter{
+		Tenant: "cgrates.org",
+		ID:     "ID",
+	}
+	err := iDBMig.setV1Filter(sampleFilter)
+	if err != utils.ErrNotImplemented {
+		t.Fatalf("Expected error to be ErrNotImplemented, but got %v", err)
+	}
+}