diff --git a/webapp/backend/pkg/database/mock/mock_database.go b/webapp/backend/pkg/database/mock/mock_database.go
new file mode 100644
index 0000000..c001d08
--- /dev/null
+++ b/webapp/backend/pkg/database/mock/mock_database.go
@@ -0,0 +1,258 @@
+// Code generated by MockGen. DO NOT EDIT.
+// Source: webapp/backend/pkg/database/interface.go
+
+// Package mock_database is a generated GoMock package.
+package mock_database
+
+import (
+	context "context"
+	reflect "reflect"
+
+	pkg "github.com/analogj/scrutiny/webapp/backend/pkg"
+	models "github.com/analogj/scrutiny/webapp/backend/pkg/models"
+	collector "github.com/analogj/scrutiny/webapp/backend/pkg/models/collector"
+	measurements "github.com/analogj/scrutiny/webapp/backend/pkg/models/measurements"
+	gomock "github.com/golang/mock/gomock"
+)
+
+// MockDeviceRepo is a mock of DeviceRepo interface.
+type MockDeviceRepo struct {
+	ctrl     *gomock.Controller
+	recorder *MockDeviceRepoMockRecorder
+}
+
+// MockDeviceRepoMockRecorder is the mock recorder for MockDeviceRepo.
+type MockDeviceRepoMockRecorder struct {
+	mock *MockDeviceRepo
+}
+
+// NewMockDeviceRepo creates a new mock instance.
+func NewMockDeviceRepo(ctrl *gomock.Controller) *MockDeviceRepo {
+	mock := &MockDeviceRepo{ctrl: ctrl}
+	mock.recorder = &MockDeviceRepoMockRecorder{mock}
+	return mock
+}
+
+// EXPECT returns an object that allows the caller to indicate expected use.
+func (m *MockDeviceRepo) EXPECT() *MockDeviceRepoMockRecorder {
+	return m.recorder
+}
+
+// Close mocks base method.
+func (m *MockDeviceRepo) Close() error {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "Close")
+	ret0, _ := ret[0].(error)
+	return ret0
+}
+
+// Close indicates an expected call of Close.
+func (mr *MockDeviceRepoMockRecorder) Close() *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Close", reflect.TypeOf((*MockDeviceRepo)(nil).Close))
+}
+
+// DeleteDevice mocks base method.
+func (m *MockDeviceRepo) DeleteDevice(ctx context.Context, wwn string) error {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "DeleteDevice", ctx, wwn)
+	ret0, _ := ret[0].(error)
+	return ret0
+}
+
+// DeleteDevice indicates an expected call of DeleteDevice.
+func (mr *MockDeviceRepoMockRecorder) DeleteDevice(ctx, wwn interface{}) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "DeleteDevice", reflect.TypeOf((*MockDeviceRepo)(nil).DeleteDevice), ctx, wwn)
+}
+
+// GetDeviceDetails mocks base method.
+func (m *MockDeviceRepo) GetDeviceDetails(ctx context.Context, wwn string) (models.Device, error) {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "GetDeviceDetails", ctx, wwn)
+	ret0, _ := ret[0].(models.Device)
+	ret1, _ := ret[1].(error)
+	return ret0, ret1
+}
+
+// GetDeviceDetails indicates an expected call of GetDeviceDetails.
+func (mr *MockDeviceRepoMockRecorder) GetDeviceDetails(ctx, wwn interface{}) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "GetDeviceDetails", reflect.TypeOf((*MockDeviceRepo)(nil).GetDeviceDetails), ctx, wwn)
+}
+
+// GetDevices mocks base method.
+func (m *MockDeviceRepo) GetDevices(ctx context.Context) ([]models.Device, error) {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "GetDevices", ctx)
+	ret0, _ := ret[0].([]models.Device)
+	ret1, _ := ret[1].(error)
+	return ret0, ret1
+}
+
+// GetDevices indicates an expected call of GetDevices.
+func (mr *MockDeviceRepoMockRecorder) GetDevices(ctx interface{}) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "GetDevices", reflect.TypeOf((*MockDeviceRepo)(nil).GetDevices), ctx)
+}
+
+// GetSmartAttributeHistory mocks base method.
+func (m *MockDeviceRepo) GetSmartAttributeHistory(ctx context.Context, wwn, durationKey string, selectEntries, selectEntriesOffset int, attributes []string) ([]measurements.Smart, error) {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "GetSmartAttributeHistory", ctx, wwn, durationKey, selectEntries, selectEntriesOffset, attributes)
+	ret0, _ := ret[0].([]measurements.Smart)
+	ret1, _ := ret[1].(error)
+	return ret0, ret1
+}
+
+// GetSmartAttributeHistory indicates an expected call of GetSmartAttributeHistory.
+func (mr *MockDeviceRepoMockRecorder) GetSmartAttributeHistory(ctx, wwn, durationKey, selectEntries, selectEntriesOffset, attributes interface{}) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "GetSmartAttributeHistory", reflect.TypeOf((*MockDeviceRepo)(nil).GetSmartAttributeHistory), ctx, wwn, durationKey, selectEntries, selectEntriesOffset, attributes)
+}
+
+// GetSmartTemperatureHistory mocks base method.
+func (m *MockDeviceRepo) GetSmartTemperatureHistory(ctx context.Context, durationKey string) (map[string][]measurements.SmartTemperature, error) {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "GetSmartTemperatureHistory", ctx, durationKey)
+	ret0, _ := ret[0].(map[string][]measurements.SmartTemperature)
+	ret1, _ := ret[1].(error)
+	return ret0, ret1
+}
+
+// GetSmartTemperatureHistory indicates an expected call of GetSmartTemperatureHistory.
+func (mr *MockDeviceRepoMockRecorder) GetSmartTemperatureHistory(ctx, durationKey interface{}) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "GetSmartTemperatureHistory", reflect.TypeOf((*MockDeviceRepo)(nil).GetSmartTemperatureHistory), ctx, durationKey)
+}
+
+// GetSummary mocks base method.
+func (m *MockDeviceRepo) GetSummary(ctx context.Context) (map[string]*models.DeviceSummary, error) {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "GetSummary", ctx)
+	ret0, _ := ret[0].(map[string]*models.DeviceSummary)
+	ret1, _ := ret[1].(error)
+	return ret0, ret1
+}
+
+// GetSummary indicates an expected call of GetSummary.
+func (mr *MockDeviceRepoMockRecorder) GetSummary(ctx interface{}) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "GetSummary", reflect.TypeOf((*MockDeviceRepo)(nil).GetSummary), ctx)
+}
+
+// HealthCheck mocks base method.
+func (m *MockDeviceRepo) HealthCheck(ctx context.Context) error {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "HealthCheck", ctx)
+	ret0, _ := ret[0].(error)
+	return ret0
+}
+
+// HealthCheck indicates an expected call of HealthCheck.
+func (mr *MockDeviceRepoMockRecorder) HealthCheck(ctx interface{}) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "HealthCheck", reflect.TypeOf((*MockDeviceRepo)(nil).HealthCheck), ctx)
+}
+
+// LoadSettings mocks base method.
+func (m *MockDeviceRepo) LoadSettings(ctx context.Context) (*models.Settings, error) {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "LoadSettings", ctx)
+	ret0, _ := ret[0].(*models.Settings)
+	ret1, _ := ret[1].(error)
+	return ret0, ret1
+}
+
+// LoadSettings indicates an expected call of LoadSettings.
+func (mr *MockDeviceRepoMockRecorder) LoadSettings(ctx interface{}) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "LoadSettings", reflect.TypeOf((*MockDeviceRepo)(nil).LoadSettings), ctx)
+}
+
+// RegisterDevice mocks base method.
+func (m *MockDeviceRepo) RegisterDevice(ctx context.Context, dev models.Device) error {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "RegisterDevice", ctx, dev)
+	ret0, _ := ret[0].(error)
+	return ret0
+}
+
+// RegisterDevice indicates an expected call of RegisterDevice.
+func (mr *MockDeviceRepoMockRecorder) RegisterDevice(ctx, dev interface{}) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "RegisterDevice", reflect.TypeOf((*MockDeviceRepo)(nil).RegisterDevice), ctx, dev)
+}
+
+// SaveSettings mocks base method.
+func (m *MockDeviceRepo) SaveSettings(ctx context.Context, settings models.Settings) error {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "SaveSettings", ctx, settings)
+	ret0, _ := ret[0].(error)
+	return ret0
+}
+
+// SaveSettings indicates an expected call of SaveSettings.
+func (mr *MockDeviceRepoMockRecorder) SaveSettings(ctx, settings interface{}) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SaveSettings", reflect.TypeOf((*MockDeviceRepo)(nil).SaveSettings), ctx, settings)
+}
+
+// SaveSmartAttributes mocks base method.
+func (m *MockDeviceRepo) SaveSmartAttributes(ctx context.Context, wwn string, collectorSmartData collector.SmartInfo) (measurements.Smart, error) {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "SaveSmartAttributes", ctx, wwn, collectorSmartData)
+	ret0, _ := ret[0].(measurements.Smart)
+	ret1, _ := ret[1].(error)
+	return ret0, ret1
+}
+
+// SaveSmartAttributes indicates an expected call of SaveSmartAttributes.
+func (mr *MockDeviceRepoMockRecorder) SaveSmartAttributes(ctx, wwn, collectorSmartData interface{}) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SaveSmartAttributes", reflect.TypeOf((*MockDeviceRepo)(nil).SaveSmartAttributes), ctx, wwn, collectorSmartData)
+}
+
+// SaveSmartTemperature mocks base method.
+func (m *MockDeviceRepo) SaveSmartTemperature(ctx context.Context, wwn, deviceProtocol string, collectorSmartData collector.SmartInfo) error {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "SaveSmartTemperature", ctx, wwn, deviceProtocol, collectorSmartData)
+	ret0, _ := ret[0].(error)
+	return ret0
+}
+
+// SaveSmartTemperature indicates an expected call of SaveSmartTemperature.
+func (mr *MockDeviceRepoMockRecorder) SaveSmartTemperature(ctx, wwn, deviceProtocol, collectorSmartData interface{}) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SaveSmartTemperature", reflect.TypeOf((*MockDeviceRepo)(nil).SaveSmartTemperature), ctx, wwn, deviceProtocol, collectorSmartData)
+}
+
+// UpdateDevice mocks base method.
+func (m *MockDeviceRepo) UpdateDevice(ctx context.Context, wwn string, collectorSmartData collector.SmartInfo) (models.Device, error) {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "UpdateDevice", ctx, wwn, collectorSmartData)
+	ret0, _ := ret[0].(models.Device)
+	ret1, _ := ret[1].(error)
+	return ret0, ret1
+}
+
+// UpdateDevice indicates an expected call of UpdateDevice.
+func (mr *MockDeviceRepoMockRecorder) UpdateDevice(ctx, wwn, collectorSmartData interface{}) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "UpdateDevice", reflect.TypeOf((*MockDeviceRepo)(nil).UpdateDevice), ctx, wwn, collectorSmartData)
+}
+
+// UpdateDeviceStatus mocks base method.
+func (m *MockDeviceRepo) UpdateDeviceStatus(ctx context.Context, wwn string, status pkg.DeviceStatus) (models.Device, error) {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "UpdateDeviceStatus", ctx, wwn, status)
+	ret0, _ := ret[0].(models.Device)
+	ret1, _ := ret[1].(error)
+	return ret0, ret1
+}
+
+// UpdateDeviceStatus indicates an expected call of UpdateDeviceStatus.
+func (mr *MockDeviceRepoMockRecorder) UpdateDeviceStatus(ctx, wwn, status interface{}) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "UpdateDeviceStatus", reflect.TypeOf((*MockDeviceRepo)(nil).UpdateDeviceStatus), ctx, wwn, status)
+}