[RIC-434] Update gNB Cells
[ric-plt/e2mgr.git] / E2Manager / controllers / nodeb_controller_test.go
index f49cd8c..a8a4e9f 100644 (file)
 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 // See the License for the specific language governing permissions and
 // limitations under the License.
-//
+
+//  This source code is part of the near-RT RIC (RAN Intelligent Controller)
+//  platform project (RICP).
 
 package controllers
 
 import (
+       "bytes"
+       "e2mgr/clients"
        "e2mgr/configuration"
+       "e2mgr/e2managererrors"
        "e2mgr/logger"
+       "e2mgr/managers"
        "e2mgr/mocks"
        "e2mgr/models"
-       "e2mgr/rNibWriter"
+       "e2mgr/providers/httpmsghandlerprovider"
        "e2mgr/rmrCgo"
        "e2mgr/services"
+       "e2mgr/services/rmrsender"
        "e2mgr/tests"
+       "encoding/json"
+       "fmt"
        "gerrit.o-ran-sc.org/r/ric-plt/nodeb-rnib.git/common"
        "gerrit.o-ran-sc.org/r/ric-plt/nodeb-rnib.git/entities"
-       "gerrit.o-ran-sc.org/r/ric-plt/nodeb-rnib.git/reader"
+       "github.com/golang/protobuf/jsonpb"
        "github.com/gorilla/mux"
        "github.com/pkg/errors"
        "github.com/stretchr/testify/assert"
+       "github.com/stretchr/testify/mock"
+       "io"
        "io/ioutil"
        "net/http"
        "net/http/httptest"
+       "strings"
        "testing"
+       "unsafe"
 )
 
-func setupNodebControllerTest(t *testing.T) (*logger.Logger, services.RNibDataService, *mocks.RnibReaderMock){
-       logger, err := logger.InitLogger(logger.DebugLevel)
-       if err != nil {
-               t.Errorf("#... - failed to initialize logger, error: %s", err)
+const (
+       RanName                      = "test"
+       AssociatedE2TInstanceAddress = "10.0.2.15:38000"
+       CorruptedJson                = "{\"errorCode\":401,\"errorMessage\":\"corrupted json\"}"
+       ValidationFailureJson        = "{\"errorCode\":402,\"errorMessage\":\"Validation error\"}"
+       ResourceNotFoundJson         = "{\"errorCode\":404,\"errorMessage\":\"Resource not found\"}"
+       NodebExistsJson              = "{\"errorCode\":406,\"errorMessage\":\"Nodeb already exists\"}"
+       RnibErrorJson                = "{\"errorCode\":500,\"errorMessage\":\"RNIB error\"}"
+       InternalErrorJson            = "{\"errorCode\":501,\"errorMessage\":\"Internal Server Error. Please try again later\"}"
+       AddEnbUrl                    = "/nodeb/enb"
+)
+
+var (
+       ServedNrCellInformationRequiredFields = []string{"cellId", "choiceNrMode", "nrMode", "servedPlmns"}
+       NrNeighbourInformationRequiredFields  = []string{"nrCgi", "choiceNrMode", "nrMode"}
+       AddEnbRequestRequiredFields           = []string{"ranName", "enb", "globalNbId"}
+       UpdateEnbRequestRequiredFields        = []string{"enb"}
+       GlobalIdRequiredFields                = []string{"plmnId", "nbId"}
+       EnbRequiredFields                     = []string{"enbType", "servedCells"}
+       ServedCellRequiredFields              = []string{"broadcastPlmns", "cellId", "choiceEutraMode", "eutraMode", "tac"}
+)
+
+type controllerGetNodebTestContext struct {
+       ranName              string
+       nodebInfo            *entities.NodebInfo
+       rnibError            error
+       expectedStatusCode   int
+       expectedJsonResponse string
+}
+
+type controllerGetNodebIdListTestContext struct {
+       nodebIdList          []*entities.NbIdentity
+       rnibError            error
+       expectedStatusCode   int
+       expectedJsonResponse string
+}
+
+type getNodebInfoResult struct {
+       nodebInfo *entities.NodebInfo
+       rnibError error
+}
+
+type updateGnbCellsParams struct {
+       err error
+}
+
+type updateEnbCellsParams struct {
+       err error
+}
+
+type saveNodebParams struct {
+       err error
+}
+
+type addNbIdentityParams struct {
+       err error
+}
+
+type removeServedCellsParams struct {
+       servedCellInfo []*entities.ServedCellInfo
+       err            error
+}
+
+type removeServedNrCellsParams struct {
+       servedNrCells []*entities.ServedNRCell
+       err           error
+}
+
+type controllerUpdateEnbTestContext struct {
+       getNodebInfoResult      *getNodebInfoResult
+       removeServedCellsParams *removeServedCellsParams
+       updateEnbCellsParams    *updateEnbCellsParams
+       requestBody             map[string]interface{}
+       expectedStatusCode      int
+       expectedJsonResponse    string
+}
+
+type controllerUpdateGnbTestContext struct {
+       getNodebInfoResult        *getNodebInfoResult
+       removeServedNrCellsParams *removeServedNrCellsParams
+       updateGnbCellsParams      *updateGnbCellsParams
+       requestBody               map[string]interface{}
+       expectedStatusCode        int
+       expectedJsonResponse      string
+}
+
+type controllerAddEnbTestContext struct {
+       getNodebInfoResult   *getNodebInfoResult
+       saveNodebParams      *saveNodebParams
+       addNbIdentityParams  *addNbIdentityParams
+       requestBody          map[string]interface{}
+       expectedStatusCode   int
+       expectedJsonResponse string
+}
+
+type controllerDeleteEnbTestContext struct {
+       getNodebInfoResult   *getNodebInfoResult
+       expectedStatusCode   int
+       expectedJsonResponse string
+}
+
+func generateServedNrCells(cellIds ...string) []*entities.ServedNRCell {
+
+       servedNrCells := []*entities.ServedNRCell{}
+
+       for _, v := range cellIds {
+               servedNrCells = append(servedNrCells, &entities.ServedNRCell{ServedNrCellInformation: &entities.ServedNRCellInformation{
+                       CellId: v,
+                       ChoiceNrMode: &entities.ServedNRCellInformation_ChoiceNRMode{
+                               Fdd: &entities.ServedNRCellInformation_ChoiceNRMode_FddInfo{
+
+                               },
+                       },
+                       NrMode:      entities.Nr_FDD,
+                       NrPci:       5,
+                       ServedPlmns: []string{"whatever"},
+               }})
        }
-       config := &configuration.Configuration{RnibRetryIntervalMs: 10, MaxRnibConnectionAttempts: 3}
-       readerMock := &mocks.RnibReaderMock{}
-       rnibReaderProvider := func() reader.RNibReader {
-               return readerMock
+
+       return servedNrCells
+}
+
+func generateServedCells(cellIds ...string) []*entities.ServedCellInfo {
+
+       var servedCells []*entities.ServedCellInfo
+
+       for i, v := range cellIds {
+               servedCells = append(servedCells, &entities.ServedCellInfo{
+                       CellId: v,
+                       ChoiceEutraMode: &entities.ChoiceEUTRAMode{
+                               Fdd: &entities.FddInfo{},
+                       },
+                       Pci:            uint32(i + 1),
+                       BroadcastPlmns: []string{"whatever"},
+               })
+       }
+
+       return servedCells
+}
+
+func buildNrNeighbourInformation(propToOmit string) map[string]interface{} {
+       ret := map[string]interface{}{
+               "nrCgi": "whatever",
+               "choiceNrMode": map[string]interface{}{
+                       "tdd": map[string]interface{}{},
+               },
+               "nrMode": 1,
+               "nrPci":  1,
+       }
+
+       if len(propToOmit) != 0 {
+               delete(ret, propToOmit)
+       }
+
+       return ret
+}
+
+func buildServedNrCellInformation(propToOmit string) map[string]interface{} {
+       ret := map[string]interface{}{
+               "cellId": "whatever",
+               "choiceNrMode": map[string]interface{}{
+                       "fdd": map[string]interface{}{},
+               },
+               "nrMode": 1,
+               "nrPci":  1,
+               "servedPlmns": []interface{}{
+                       "whatever",
+               },
+       }
+
+       if len(propToOmit) != 0 {
+               delete(ret, propToOmit)
+       }
+
+       return ret
+}
+
+func buildServedCell(propToOmit string) map[string]interface{} {
+       ret := map[string]interface{}{
+               "cellId": "whatever",
+               "choiceEutraMode": map[string]interface{}{
+                       "fdd": map[string]interface{}{},
+               },
+               "eutraMode": 1,
+               "pci":       1,
+               "tac":       "whatever3",
+               "broadcastPlmns": []interface{}{
+                       "whatever",
+               },
        }
-       rnibWriterProvider := func() rNibWriter.RNibWriter {
-               return &mocks.RnibWriterMock{}
+
+       if len(propToOmit) != 0 {
+               delete(ret, propToOmit)
+       }
+
+       return ret
+}
+
+func getUpdateEnbRequest(propToOmit string) map[string]interface{} {
+       ret := map[string]interface{}{
+               "enb": buildEnb(propToOmit),
+       }
+
+       if len(propToOmit) != 0 {
+               delete(ret, propToOmit)
        }
-       rnibDataService := services.NewRnibDataService(logger, config, rnibReaderProvider, rnibWriterProvider)
-       return logger, rnibDataService, readerMock
+
+       return ret
+}
+
+func getAddEnbRequest(propToOmit string) map[string]interface{} {
+       ret := map[string]interface{}{
+               "ranName":    RanName,
+               "globalNbId": buildGlobalNbId(""),
+               "enb":        buildEnb(""),
+       }
+
+       if len(propToOmit) != 0 {
+               delete(ret, propToOmit)
+       }
+
+       return ret
+}
+
+func buildEnb(propToOmit string) map[string]interface{} {
+       ret := map[string]interface{}{
+               "enbType": 1,
+               "servedCells": []interface{}{
+                       buildServedCell(""),
+               }}
+
+       if len(propToOmit) != 0 {
+               delete(ret, propToOmit)
+       }
+
+       return ret
+}
+
+func buildGlobalNbId(propToOmit string) map[string]interface{} {
+       ret := map[string]interface{}{
+               "plmnId": "whatever",
+               "nbId":   "whatever2",
+       }
+
+       if len(propToOmit) != 0 {
+               delete(ret, propToOmit)
+       }
+
+       return ret
+}
+
+func setupControllerTest(t *testing.T) (*NodebController, *mocks.RnibReaderMock, *mocks.RnibWriterMock, *mocks.RmrMessengerMock, *mocks.E2TInstancesManagerMock, managers.RanListManager) {
+       log := initLog(t)
+       config := configuration.ParseConfiguration()
+
+       rmrMessengerMock := &mocks.RmrMessengerMock{}
+       readerMock := &mocks.RnibReaderMock{}
+
+       writerMock := &mocks.RnibWriterMock{}
+
+       rnibDataService := services.NewRnibDataService(log, config, readerMock, writerMock)
+       rmrSender := getRmrSender(rmrMessengerMock, log)
+       e2tInstancesManager := &mocks.E2TInstancesManagerMock{}
+       httpClientMock := &mocks.HttpClientMock{}
+       rmClient := clients.NewRoutingManagerClient(log, config, httpClientMock)
+       ranListManager := managers.NewRanListManager(log, rnibDataService)
+       ranAlarmService := &mocks.RanAlarmServiceMock{}
+       ranConnectStatusChangeManager := managers.NewRanConnectStatusChangeManager(log, rnibDataService, ranListManager, ranAlarmService)
+       nodebValidator := managers.NewNodebValidator()
+       updateEnbManager := managers.NewUpdateEnbManager(log, rnibDataService, nodebValidator)
+       updateGnbManager := managers.NewUpdateGnbManager(log, rnibDataService, nodebValidator)
+       handlerProvider := httpmsghandlerprovider.NewIncomingRequestHandlerProvider(log, rmrSender, config, rnibDataService, e2tInstancesManager, rmClient, ranConnectStatusChangeManager, nodebValidator, updateEnbManager, updateGnbManager, ranListManager)
+       controller := NewNodebController(log, handlerProvider)
+       return controller, readerMock, writerMock, rmrMessengerMock, e2tInstancesManager, ranListManager
 }
 
-func TestNewRequestController(t *testing.T) {
-       logger, rnibDataService, _ := setupNodebControllerTest(t)
-       assert.NotNil(t, NewNodebController(logger, &services.RmrService{}, rnibDataService))
+func setupDeleteEnbControllerTest(t *testing.T, preAddNbIdentity bool) (*NodebController, *mocks.RnibReaderMock, *mocks.RnibWriterMock, *entities.NbIdentity) {
+       log := initLog(t)
+       config := configuration.ParseConfiguration()
+
+       rmrMessengerMock := &mocks.RmrMessengerMock{}
+       readerMock := &mocks.RnibReaderMock{}
+
+       writerMock := &mocks.RnibWriterMock{}
+
+       rnibDataService := services.NewRnibDataService(log, config, readerMock, writerMock)
+       rmrSender := getRmrSender(rmrMessengerMock, log)
+       e2tInstancesManager := &mocks.E2TInstancesManagerMock{}
+       httpClientMock := &mocks.HttpClientMock{}
+       rmClient := clients.NewRoutingManagerClient(log, config, httpClientMock)
+       ranListManager := managers.NewRanListManager(log, rnibDataService)
+       var nbIdentity *entities.NbIdentity
+       if preAddNbIdentity {
+               nbIdentity = &entities.NbIdentity{InventoryName: RanName, ConnectionStatus: entities.ConnectionStatus_DISCONNECTED, GlobalNbId: &entities.GlobalNbId{PlmnId: "plmnId1", NbId: "nbId1"}}
+               writerMock.On("AddNbIdentity", entities.Node_ENB, nbIdentity).Return(nil)
+               ranListManager.AddNbIdentity(entities.Node_ENB, nbIdentity)
+       }
+       ranAlarmService := &mocks.RanAlarmServiceMock{}
+       ranConnectStatusChangeManager := managers.NewRanConnectStatusChangeManager(log, rnibDataService, ranListManager, ranAlarmService)
+       nodebValidator := managers.NewNodebValidator()
+       updateEnbManager := managers.NewUpdateEnbManager(log, rnibDataService, nodebValidator)
+       updateGnbManager := managers.NewUpdateGnbManager(log, rnibDataService, nodebValidator)
+
+       handlerProvider := httpmsghandlerprovider.NewIncomingRequestHandlerProvider(log, rmrSender, config, rnibDataService, e2tInstancesManager, rmClient, ranConnectStatusChangeManager, nodebValidator, updateEnbManager, updateGnbManager, ranListManager)
+       controller := NewNodebController(log, handlerProvider)
+       return controller, readerMock, writerMock, nbIdentity
 }
 
-func TestHandleHealthCheckRequest(t *testing.T) {
-       rc := NewNodebController(nil, nil, nil)
+func TestShutdownHandlerRnibError(t *testing.T) {
+       controller, _, _, _, e2tInstancesManagerMock, _ := setupControllerTest(t)
+       e2tInstancesManagerMock.On("GetE2TAddresses").Return([]string{}, e2managererrors.NewRnibDbError())
+
        writer := httptest.NewRecorder()
-       rc.HandleHealthCheckRequest(writer, nil)
-       assert.Equal(t, writer.Result().StatusCode, http.StatusOK)
+
+       controller.Shutdown(writer, tests.GetHttpRequest())
+
+       var errorResponse = parseJsonRequest(t, writer.Body)
+
+       assert.Equal(t, http.StatusInternalServerError, writer.Result().StatusCode)
+       assert.Equal(t, errorResponse.Code, e2managererrors.NewRnibDbError().Code)
 }
 
-func getRmrService(rmrMessengerMock *mocks.RmrMessengerMock, log *logger.Logger) *services.RmrService {
-       rmrMessenger := rmrCgo.RmrMessenger(rmrMessengerMock)
-       messageChannel := make(chan *models.NotificationResponse)
-       rmrMessengerMock.On("Init", tests.GetPort(), tests.MaxMsgSize, tests.Flags, log).Return(&rmrMessenger)
-       return services.NewRmrService(services.NewRmrConfig(tests.Port, tests.MaxMsgSize, tests.Flags, log), rmrMessenger, messageChannel)
+func TestSetGeneralConfigurationHandlerRnibError(t *testing.T) {
+       controller, readerMock, _, _, _, _ := setupControllerTest(t)
+
+       configuration := &entities.GeneralConfiguration{}
+       readerMock.On("GetGeneralConfiguration").Return(configuration, e2managererrors.NewRnibDbError())
+
+       writer := httptest.NewRecorder()
+
+       httpRequest, _ := http.NewRequest("PUT", "https://localhost:3800/v1/nodeb/parameters", strings.NewReader("{\"enableRic\":false}"))
+
+       controller.SetGeneralConfiguration(writer, httpRequest)
+
+       var errorResponse = parseJsonRequest(t, writer.Body)
+
+       assert.Equal(t, http.StatusInternalServerError, writer.Result().StatusCode)
+       assert.Equal(t, e2managererrors.NewRnibDbError().Code, errorResponse.Code)
 }
 
-func executeGetNodeb(logger *logger.Logger, writer *httptest.ResponseRecorder, rnibDataService services.RNibDataService) {
-       req, _ := http.NewRequest("GET", "/nodeb", nil)
-       req = mux.SetURLVars(req, map[string]string{"ranName": "testNode"})
+func TestSetGeneralConfigurationInvalidJson(t *testing.T) {
+       controller, _, _, _, _, _ := setupControllerTest(t)
+
+       writer := httptest.NewRecorder()
+
+       httpRequest, _ := http.NewRequest("PUT", "https://localhost:3800/v1/nodeb/parameters", strings.NewReader("{\"enableRic\":false, \"someValue\":false}"))
+
+       controller.SetGeneralConfiguration(writer, httpRequest)
+
+       var errorResponse = parseJsonRequest(t, writer.Body)
 
-       NewNodebController(logger, nil, rnibDataService).GetNodeb(writer, req)
+       assert.Equal(t, http.StatusBadRequest, writer.Result().StatusCode)
+       assert.Equal(t, e2managererrors.NewInvalidJsonError().Code, errorResponse.Code)
 }
 
-func TestNodebController_GetNodeb_Success(t *testing.T) {
-       logger, rnibDataService, rnibReaderMock := setupNodebControllerTest(t)
+func controllerGetNodebTestExecuter(t *testing.T, context *controllerGetNodebTestContext) {
+       controller, readerMock, _, _, _, _ := setupControllerTest(t)
+       writer := httptest.NewRecorder()
+       readerMock.On("GetNodeb", context.ranName).Return(context.nodebInfo, context.rnibError)
+       req, _ := http.NewRequest(http.MethodGet, "/nodeb", nil)
+       req = mux.SetURLVars(req, map[string]string{"ranName": context.ranName})
+       controller.GetNodeb(writer, req)
+       assert.Equal(t, context.expectedStatusCode, writer.Result().StatusCode)
+       bodyBytes, _ := ioutil.ReadAll(writer.Body)
+       assert.Equal(t, context.expectedJsonResponse, string(bodyBytes))
+}
 
+func controllerGetNodebIdListTestExecuter(t *testing.T, context *controllerGetNodebIdListTestContext) {
+       controller, readerMock, _, _, _, ranListManager := setupControllerTest(t)
        writer := httptest.NewRecorder()
+       readerMock.On("GetListNodebIds").Return(context.nodebIdList, context.rnibError)
 
+       err := ranListManager.InitNbIdentityMap()
+       if err != nil {
+               t.Errorf("Error cannot init identity")
+       }
 
-       var rnibError error
-       rnibReaderMock.On("GetNodeb", "testNode").Return(&entities.NodebInfo{}, rnibError)
+       req, _ := http.NewRequest(http.MethodGet, "/nodeb/states", nil)
+       controller.GetNodebIdList(writer, req)
+       assert.Equal(t, context.expectedStatusCode, writer.Result().StatusCode)
+       bodyBytes, _ := ioutil.ReadAll(writer.Body)
+       assert.Equal(t, context.expectedJsonResponse, string(bodyBytes))
+}
+
+func activateControllerUpdateEnbMocks(context *controllerUpdateEnbTestContext, readerMock *mocks.RnibReaderMock, writerMock *mocks.RnibWriterMock, updateEnbRequest *models.UpdateEnbRequest) {
+       if context.getNodebInfoResult != nil {
+               readerMock.On("GetNodeb", RanName).Return(context.getNodebInfoResult.nodebInfo, context.getNodebInfoResult.rnibError)
+       }
+
+       if context.removeServedCellsParams != nil {
+               writerMock.On("RemoveServedCells", RanName, context.removeServedCellsParams.servedCellInfo).Return(context.removeServedCellsParams.err)
+       }
+
+       if context.updateEnbCellsParams != nil {
+               updatedNodebInfo := *context.getNodebInfoResult.nodebInfo
+               updatedNodebInfo.Configuration = &entities.NodebInfo_Enb{Enb: updateEnbRequest.Enb}
+
+               writerMock.On("UpdateEnb", &updatedNodebInfo, updateEnbRequest.Enb.ServedCells).Return(context.updateEnbCellsParams.err)
+       }
+}
+
+func activateControllerUpdateGnbMocks(context *controllerUpdateGnbTestContext, readerMock *mocks.RnibReaderMock, writerMock *mocks.RnibWriterMock) {
+       if context.getNodebInfoResult != nil {
+               readerMock.On("GetNodeb", RanName).Return(context.getNodebInfoResult.nodebInfo, context.getNodebInfoResult.rnibError)
+       }
+
+       if context.removeServedNrCellsParams != nil {
+               writerMock.On("RemoveServedNrCells", RanName, context.removeServedNrCellsParams.servedNrCells).Return(context.removeServedNrCellsParams.err)
+       }
+
+       if context.updateGnbCellsParams != nil {
+               updatedNodebInfo := *context.getNodebInfoResult.nodebInfo
+               gnb := entities.Gnb{}
+               _ = jsonpb.Unmarshal(getJsonRequestAsBuffer(context.requestBody), &gnb)
+               updatedGnb := *updatedNodebInfo.GetGnb()
+               updatedGnb.ServedNrCells = gnb.ServedNrCells
+               writerMock.On("UpdateGnbCells", &updatedNodebInfo, gnb.ServedNrCells).Return(context.updateGnbCellsParams.err)
+       }
+}
+
+func assertControllerUpdateGnb(t *testing.T, context *controllerUpdateGnbTestContext, writer *httptest.ResponseRecorder, readerMock *mocks.RnibReaderMock, writerMock *mocks.RnibWriterMock) {
+       assert.Equal(t, context.expectedStatusCode, writer.Result().StatusCode)
+       bodyBytes, _ := ioutil.ReadAll(writer.Body)
+       assert.Equal(t, context.expectedJsonResponse, string(bodyBytes))
+       readerMock.AssertExpectations(t)
+       writerMock.AssertExpectations(t)
+}
+
+func assertControllerUpdateEnb(t *testing.T, context *controllerUpdateEnbTestContext, writer *httptest.ResponseRecorder, readerMock *mocks.RnibReaderMock, writerMock *mocks.RnibWriterMock) {
+       assert.Equal(t, context.expectedStatusCode, writer.Result().StatusCode)
+       bodyBytes, _ := ioutil.ReadAll(writer.Body)
+       assert.Equal(t, context.expectedJsonResponse, string(bodyBytes))
+       readerMock.AssertExpectations(t)
+       writerMock.AssertExpectations(t)
+}
+
+func assertControllerAddEnb(t *testing.T, context *controllerAddEnbTestContext, writer *httptest.ResponseRecorder, readerMock *mocks.RnibReaderMock, writerMock *mocks.RnibWriterMock) {
+       assert.Equal(t, context.expectedStatusCode, writer.Result().StatusCode)
+       bodyBytes, _ := ioutil.ReadAll(writer.Body)
+       assert.Equal(t, context.expectedJsonResponse, string(bodyBytes))
+       readerMock.AssertExpectations(t)
+       writerMock.AssertExpectations(t)
+}
 
-       executeGetNodeb(logger, writer, rnibDataService)
+func assertControllerDeleteEnb(t *testing.T, context *controllerDeleteEnbTestContext, writer *httptest.ResponseRecorder, readerMock *mocks.RnibReaderMock, writerMock *mocks.RnibWriterMock) {
+       assert.Equal(t, context.expectedStatusCode, writer.Result().StatusCode)
+       bodyBytes, _ := ioutil.ReadAll(writer.Body)
+       assert.Equal(t, context.expectedJsonResponse, string(bodyBytes))
+       readerMock.AssertExpectations(t)
+       writerMock.AssertExpectations(t)
+}
+
+func buildUpdateEnbRequest(context *controllerUpdateEnbTestContext) *http.Request {
+       updateEnbUrl := fmt.Sprintf("/nodeb/enb/%s", RanName)
+       requestBody := getJsonRequestAsBuffer(context.requestBody)
+       req, _ := http.NewRequest(http.MethodPut, updateEnbUrl, requestBody)
+       req.Header.Set("Content-Type", "application/json")
+       req = mux.SetURLVars(req, map[string]string{"ranName": RanName})
+       return req
+}
 
-       assert.Equal(t, writer.Result().StatusCode, http.StatusOK)
+func buildUpdateGnbRequest(context *controllerUpdateGnbTestContext) *http.Request {
+       updateGnbUrl := fmt.Sprintf("/nodeb/gnb/%s", RanName)
+       requestBody := getJsonRequestAsBuffer(context.requestBody)
+       req, _ := http.NewRequest(http.MethodPut, updateGnbUrl, requestBody)
+       req.Header.Set("Content-Type", "application/json")
+       req = mux.SetURLVars(req, map[string]string{"ranName": RanName})
+       return req
 }
 
-func TestNodebController_GetNodeb_NotFound(t *testing.T) {
-       logger, rnibDataService, rnibReaderMock := setupNodebControllerTest(t)
+func buildAddEnbRequest(context *controllerAddEnbTestContext) *http.Request {
+       requestBody := getJsonRequestAsBuffer(context.requestBody)
+       req, _ := http.NewRequest(http.MethodPost, AddEnbUrl, requestBody)
+       req.Header.Set("Content-Type", "application/json")
+       return req
+}
 
+func controllerUpdateEnbTestExecuter(t *testing.T, context *controllerUpdateEnbTestContext) {
+       controller, readerMock, writerMock, _, _, _ := setupControllerTest(t)
        writer := httptest.NewRecorder()
 
-       rnibError := common.NewResourceNotFoundErrorf("#reader.GetNodeb - responding node %s not found", "testNode")
-       var nodebInfo *entities.NodebInfo
-       rnibReaderMock.On("GetNodeb", "testNode").Return(nodebInfo, rnibError)
+       r := buildUpdateEnbRequest(context)
+       body, _ := ioutil.ReadAll(io.LimitReader(r.Body, LimitRequest))
+
+       updateEnbRequest := models.UpdateEnbRequest{}
+       _ = json.Unmarshal(body, &updateEnbRequest)
+
+       activateControllerUpdateEnbMocks(context, readerMock, writerMock, &updateEnbRequest)
+       r = buildUpdateEnbRequest(context)
+       defer r.Body.Close()
 
-       executeGetNodeb(logger, writer, rnibDataService)
-       assert.Equal(t, writer.Result().StatusCode, http.StatusNotFound)
+       controller.UpdateEnb(writer, r)
+
+       assertControllerUpdateEnb(t, context, writer, readerMock, writerMock)
 }
 
-func TestNodebController_GetNodeb_InternalError(t *testing.T) {
-       logger, rnibDataService, rnibReaderMock := setupNodebControllerTest(t)
+func controllerUpdateGnbTestExecuter(t *testing.T, context *controllerUpdateGnbTestContext) {
+       controller, readerMock, writerMock, _, _, _ := setupControllerTest(t)
+       writer := httptest.NewRecorder()
+
+       activateControllerUpdateGnbMocks(context, readerMock, writerMock)
+       req := buildUpdateGnbRequest(context)
+       controller.UpdateGnb(writer, req)
+       assertControllerUpdateGnb(t, context, writer, readerMock, writerMock)
+}
+
+func activateControllerAddEnbMocks(context *controllerAddEnbTestContext, readerMock *mocks.RnibReaderMock, writerMock *mocks.RnibWriterMock, addEnbRequest *models.AddEnbRequest) {
+       if context.getNodebInfoResult != nil {
+               readerMock.On("GetNodeb", RanName).Return(context.getNodebInfoResult.nodebInfo, context.getNodebInfoResult.rnibError)
+       }
+
+       if context.saveNodebParams != nil {
+               nodebInfo := entities.NodebInfo{
+                       RanName:          addEnbRequest.RanName,
+                       Ip:               addEnbRequest.Ip,
+                       Port:             addEnbRequest.Port,
+                       NodeType:         entities.Node_ENB,
+                       GlobalNbId:       addEnbRequest.GlobalNbId,
+                       Configuration:    &entities.NodebInfo_Enb{Enb: addEnbRequest.Enb},
+                       ConnectionStatus: entities.ConnectionStatus_DISCONNECTED,
+               }
 
+               writerMock.On("SaveNodeb", &nodebInfo).Return(context.saveNodebParams.err)
+       }
+
+       if context.addNbIdentityParams != nil {
+               nbIdentity := entities.NbIdentity{InventoryName: addEnbRequest.RanName, GlobalNbId: addEnbRequest.GlobalNbId, ConnectionStatus: entities.ConnectionStatus_DISCONNECTED}
+               writerMock.On("AddNbIdentity", entities.Node_ENB, &nbIdentity).Return(context.addNbIdentityParams.err)
+       }
+}
+
+func controllerAddEnbTestExecuter(t *testing.T, context *controllerAddEnbTestContext) {
+       controller, readerMock, writerMock, _, _, _ := setupControllerTest(t)
        writer := httptest.NewRecorder()
+       r := buildAddEnbRequest(context)
+       body, _ := ioutil.ReadAll(io.LimitReader(r.Body, LimitRequest))
+
+       addEnbRequest := models.AddEnbRequest{}
+
+       _ = json.Unmarshal(body, &addEnbRequest)
+       activateControllerAddEnbMocks(context, readerMock, writerMock, &addEnbRequest)
+       r = buildAddEnbRequest(context)
+       defer r.Body.Close()
+       controller.AddEnb(writer, r)
+       assertControllerAddEnb(t, context, writer, readerMock, writerMock)
+}
+
+func controllerDeleteEnbTestExecuter(t *testing.T, context *controllerDeleteEnbTestContext, preAddNbIdentity bool) {
+       controller, readerMock, writerMock, nbIdentity := setupDeleteEnbControllerTest(t, preAddNbIdentity)
+       readerMock.On("GetNodeb", RanName).Return(context.getNodebInfoResult.nodebInfo, context.getNodebInfoResult.rnibError)
+       if context.getNodebInfoResult.rnibError == nil && context.getNodebInfoResult.nodebInfo.GetNodeType() == entities.Node_ENB {
+               writerMock.On("RemoveEnb", context.getNodebInfoResult.nodebInfo).Return(nil)
+               if preAddNbIdentity {
+                       writerMock.On("RemoveNbIdentity", entities.Node_ENB, nbIdentity).Return(nil)
+               }
+       }
+       writer := httptest.NewRecorder()
+       r, _ := http.NewRequest(http.MethodDelete, AddEnbUrl+"/"+RanName, nil)
+       r.Header.Set("Content-Type", "application/json")
+       r = mux.SetURLVars(r, map[string]string{"ranName": RanName})
+       controller.DeleteEnb(writer, r)
+       assertControllerDeleteEnb(t, context, writer, readerMock, writerMock)
+}
+
+/*
+UpdateGnb UTs
+*/
+
+// BEGIN - UpdateGnb Validation Failure UTs
+
+func TestControllerUpdateGnbEmptyServedNrCells(t *testing.T) {
+       context := controllerUpdateGnbTestContext{
+               getNodebInfoResult: nil,
+               requestBody: map[string]interface{}{
+                       "servedNrCells": []interface{}{
+                       },
+               },
+               expectedStatusCode:   http.StatusBadRequest,
+               expectedJsonResponse: ValidationFailureJson,
+       }
+
+       controllerUpdateGnbTestExecuter(t, &context)
+}
+
+func TestControllerUpdateGnbMissingServedNrCellInformation(t *testing.T) {
+       context := controllerUpdateGnbTestContext{
+               getNodebInfoResult: nil,
+               requestBody: map[string]interface{}{
+                       "servedNrCells": []interface{}{
+                               map[string]interface{}{
+                                       "servedNrCellInformation": nil,
+                               },
+                       },
+               },
+               expectedStatusCode:   http.StatusBadRequest,
+               expectedJsonResponse: ValidationFailureJson,
+       }
+
+       controllerUpdateGnbTestExecuter(t, &context)
+}
+
+func TestControllerUpdateGnbMissingServedNrCellRequiredProp(t *testing.T) {
+
+       for _, v := range ServedNrCellInformationRequiredFields {
+               context := controllerUpdateGnbTestContext{
+                       getNodebInfoResult: nil,
+                       requestBody: map[string]interface{}{
+                               "servedNrCells": []interface{}{
+                                       map[string]interface{}{
+                                               "servedNrCellInformation": buildServedNrCellInformation(v),
+                                       },
+                               },
+                       },
+                       expectedStatusCode:   http.StatusBadRequest,
+                       expectedJsonResponse: ValidationFailureJson,
+               }
+
+               controllerUpdateGnbTestExecuter(t, &context)
+       }
+}
+
+func TestControllerUpdateGnbMissingServedNrCellFddOrTdd(t *testing.T) {
+
+       servedNrCellInformation := buildServedNrCellInformation("")
+       servedNrCellInformation["choiceNrMode"] = map[string]interface{}{}
+
+       context := controllerUpdateGnbTestContext{
+               getNodebInfoResult: nil,
+               requestBody: map[string]interface{}{
+                       "servedNrCells": []interface{}{
+                               map[string]interface{}{
+                                       "servedNrCellInformation": servedNrCellInformation,
+                               },
+                       },
+               },
+               expectedStatusCode:   http.StatusBadRequest,
+               expectedJsonResponse: ValidationFailureJson,
+       }
+
+       controllerUpdateGnbTestExecuter(t, &context)
+}
+
+func TestControllerUpdateGnbMissingNeighbourInfoFddOrTdd(t *testing.T) {
+
+       nrNeighbourInfo := buildNrNeighbourInformation("")
+       nrNeighbourInfo["choiceNrMode"] = map[string]interface{}{}
+
+       context := controllerUpdateGnbTestContext{
+               getNodebInfoResult: nil,
+               requestBody: map[string]interface{}{
+                       "servedNrCells": []interface{}{
+                               map[string]interface{}{
+                                       "servedNrCellInformation": buildServedNrCellInformation(""),
+                                       "nrNeighbourInfos": []interface{}{
+                                               nrNeighbourInfo,
+                                       },
+                               },
+                       },
+               },
+               expectedStatusCode:   http.StatusBadRequest,
+               expectedJsonResponse: ValidationFailureJson,
+       }
+
+       controllerUpdateGnbTestExecuter(t, &context)
+}
+
+func TestControllerUpdateGnbMissingNrNeighbourInformationRequiredProp(t *testing.T) {
+
+       for _, v := range NrNeighbourInformationRequiredFields {
+               context := controllerUpdateGnbTestContext{
+                       getNodebInfoResult: nil,
+                       requestBody: map[string]interface{}{
+                               "servedNrCells": []interface{}{
+                                       map[string]interface{}{
+                                               "servedNrCellInformation": buildServedNrCellInformation(""),
+                                               "nrNeighbourInfos": []interface{}{
+                                                       buildNrNeighbourInformation(v),
+                                               },
+                                       },
+                               },
+                       },
+                       expectedStatusCode:   http.StatusBadRequest,
+                       expectedJsonResponse: ValidationFailureJson,
+               }
+
+               controllerUpdateGnbTestExecuter(t, &context)
+       }
+}
+
+// END - UpdateGnb Validation Failure UTs
+
+func TestControllerUpdateGnbValidServedNrCellInformationGetNodebNotFound(t *testing.T) {
+       context := controllerUpdateGnbTestContext{
+               getNodebInfoResult: &getNodebInfoResult{
+                       nodebInfo: nil,
+                       rnibError: common.NewResourceNotFoundError("#reader.GetNodeb - Not found Error"),
+               },
+               requestBody: map[string]interface{}{
+                       "servedNrCells": []interface{}{
+                               map[string]interface{}{
+                                       "servedNrCellInformation": buildServedNrCellInformation(""),
+                               },
+                       },
+               },
+               expectedStatusCode:   http.StatusNotFound,
+               expectedJsonResponse: ResourceNotFoundJson,
+       }
+
+       controllerUpdateGnbTestExecuter(t, &context)
+}
+
+func TestControllerUpdateGnbValidServedNrCellInformationGetNodebInternalError(t *testing.T) {
+       context := controllerUpdateGnbTestContext{
+               getNodebInfoResult: &getNodebInfoResult{
+                       nodebInfo: nil,
+                       rnibError: common.NewInternalError(errors.New("#reader.GetNodeb - Internal Error")),
+               },
+               requestBody: map[string]interface{}{
+                       "servedNrCells": []interface{}{
+                               map[string]interface{}{
+                                       "servedNrCellInformation": buildServedNrCellInformation(""),
+                               },
+                       },
+               },
+               expectedStatusCode:   http.StatusInternalServerError,
+               expectedJsonResponse: RnibErrorJson,
+       }
+
+       controllerUpdateGnbTestExecuter(t, &context)
+}
+
+func TestControllerUpdateGnbGetNodebSuccessInvalidGnbConfiguration(t *testing.T) {
+       context := controllerUpdateGnbTestContext{
+               getNodebInfoResult: &getNodebInfoResult{
+                       nodebInfo: &entities.NodebInfo{
+                               RanName:                      RanName,
+                               ConnectionStatus:             entities.ConnectionStatus_CONNECTED,
+                               AssociatedE2TInstanceAddress: AssociatedE2TInstanceAddress,
+                               NodeType:                     entities.Node_ENB,
+                       },
+                       rnibError: nil,
+               },
+               requestBody: map[string]interface{}{
+                       "servedNrCells": []interface{}{
+                               map[string]interface{}{
+                                       "servedNrCellInformation": buildServedNrCellInformation(""),
+                                       "nrNeighbourInfos": []interface{}{
+                                               buildNrNeighbourInformation(""),
+                                       },
+                               },
+                       },
+               },
+               expectedStatusCode:   http.StatusBadRequest,
+               expectedJsonResponse: ValidationFailureJson,
+       }
+
+       controllerUpdateGnbTestExecuter(t, &context)
+}
+
+func TestControllerUpdateGnbGetNodebSuccessRemoveServedNrCellsFailure(t *testing.T) {
+       oldServedNrCells := generateServedNrCells("whatever1", "whatever2")
+       context := controllerUpdateGnbTestContext{
+               removeServedNrCellsParams: &removeServedNrCellsParams{
+                       err:           common.NewInternalError(errors.New("#writer.UpdateGnbCells - Internal Error")),
+                       servedNrCells: oldServedNrCells,
+               },
+               getNodebInfoResult: &getNodebInfoResult{
+                       nodebInfo: &entities.NodebInfo{
+                               RanName:                      RanName,
+                               ConnectionStatus:             entities.ConnectionStatus_CONNECTED,
+                               AssociatedE2TInstanceAddress: AssociatedE2TInstanceAddress,
+                               Configuration:                &entities.NodebInfo_Gnb{Gnb: &entities.Gnb{ServedNrCells: oldServedNrCells}},
+                               NodeType:                     entities.Node_GNB,
+                       },
+                       rnibError: nil,
+               },
+               requestBody: map[string]interface{}{
+                       "servedNrCells": []interface{}{
+                               map[string]interface{}{
+                                       "servedNrCellInformation": buildServedNrCellInformation(""),
+                                       "nrNeighbourInfos": []interface{}{
+                                               buildNrNeighbourInformation(""),
+                                       },
+                               },
+                       },
+               },
+               expectedStatusCode:   http.StatusInternalServerError,
+               expectedJsonResponse: RnibErrorJson,
+       }
+
+       controllerUpdateGnbTestExecuter(t, &context)
+}
+
+func TestControllerUpdateGnbGetNodebSuccessUpdateGnbCellsFailure(t *testing.T) {
+       oldServedNrCells := generateServedNrCells("whatever1", "whatever2")
+       context := controllerUpdateGnbTestContext{
+               removeServedNrCellsParams: &removeServedNrCellsParams{
+                       err:           nil,
+                       servedNrCells: oldServedNrCells,
+               },
+               updateGnbCellsParams: &updateGnbCellsParams{
+                       err: common.NewInternalError(errors.New("#writer.UpdateGnbCells - Internal Error")),
+               },
+               getNodebInfoResult: &getNodebInfoResult{
+                       nodebInfo: &entities.NodebInfo{
+                               RanName:                      RanName,
+                               ConnectionStatus:             entities.ConnectionStatus_CONNECTED,
+                               AssociatedE2TInstanceAddress: AssociatedE2TInstanceAddress,
+                               Configuration:                &entities.NodebInfo_Gnb{Gnb: &entities.Gnb{ServedNrCells: oldServedNrCells}},
+                               NodeType:                     entities.Node_GNB,
+                       },
+                       rnibError: nil,
+               },
+               requestBody: map[string]interface{}{
+                       "servedNrCells": []interface{}{
+                               map[string]interface{}{
+                                       "servedNrCellInformation": buildServedNrCellInformation(""),
+                                       "nrNeighbourInfos": []interface{}{
+                                               buildNrNeighbourInformation(""),
+                                       },
+                               },
+                       },
+               },
+               expectedStatusCode:   http.StatusInternalServerError,
+               expectedJsonResponse: RnibErrorJson,
+       }
+
+       controllerUpdateGnbTestExecuter(t, &context)
+}
+
+func TestControllerUpdateGnbExistingEmptyCellsSuccess(t *testing.T) {
+       oldServedNrCells := []*entities.ServedNRCell{}
+
+       context := controllerUpdateGnbTestContext{
+               updateGnbCellsParams: &updateGnbCellsParams{
+                       err: nil,
+               },
+               getNodebInfoResult: &getNodebInfoResult{
+                       nodebInfo: &entities.NodebInfo{
+                               RanName:                      RanName,
+                               ConnectionStatus:             entities.ConnectionStatus_CONNECTED,
+                               AssociatedE2TInstanceAddress: AssociatedE2TInstanceAddress,
+                               Configuration:                &entities.NodebInfo_Gnb{Gnb: &entities.Gnb{ServedNrCells: oldServedNrCells}},
+                               NodeType:                     entities.Node_GNB,
+                       },
+                       rnibError: nil,
+               },
+               requestBody: map[string]interface{}{
+                       "servedNrCells": []interface{}{
+                               map[string]interface{}{
+                                       "servedNrCellInformation": buildServedNrCellInformation(""),
+                                       "nrNeighbourInfos": []interface{}{
+                                               buildNrNeighbourInformation(""),
+                                       },
+                               },
+                       },
+               },
+               expectedStatusCode:   http.StatusOK,
+               expectedJsonResponse: "{\"ranName\":\"test\",\"connectionStatus\":\"CONNECTED\",\"nodeType\":\"GNB\",\"gnb\":{\"servedNrCells\":[{\"servedNrCellInformation\":{\"nrPci\":1,\"cellId\":\"whatever\",\"servedPlmns\":[\"whatever\"],\"nrMode\":\"FDD\",\"choiceNrMode\":{\"fdd\":{}}},\"nrNeighbourInfos\":[{\"nrPci\":1,\"nrCgi\":\"whatever\",\"nrMode\":\"FDD\",\"choiceNrMode\":{\"tdd\":{}}}]}]},\"associatedE2tInstanceAddress\":\"10.0.2.15:38000\"}",
+       }
+
+       controllerUpdateGnbTestExecuter(t, &context)
+}
+
+func TestControllerUpdateGnbSuccess(t *testing.T) {
+       oldServedNrCells := generateServedNrCells("whatever1", "whatever2")
+
+       context := controllerUpdateGnbTestContext{
+               removeServedNrCellsParams: &removeServedNrCellsParams{
+                       err:           nil,
+                       servedNrCells: oldServedNrCells,
+               },
+               updateGnbCellsParams: &updateGnbCellsParams{
+                       err: nil,
+               },
+               getNodebInfoResult: &getNodebInfoResult{
+                       nodebInfo: &entities.NodebInfo{
+                               RanName:                      RanName,
+                               ConnectionStatus:             entities.ConnectionStatus_CONNECTED,
+                               AssociatedE2TInstanceAddress: AssociatedE2TInstanceAddress,
+                               Configuration:                &entities.NodebInfo_Gnb{Gnb: &entities.Gnb{ServedNrCells: oldServedNrCells}},
+                               NodeType:                     entities.Node_GNB,
+                       },
+                       rnibError: nil,
+               },
+               requestBody: map[string]interface{}{
+                       "servedNrCells": []interface{}{
+                               map[string]interface{}{
+                                       "servedNrCellInformation": buildServedNrCellInformation(""),
+                                       "nrNeighbourInfos": []interface{}{
+                                               buildNrNeighbourInformation(""),
+                                       },
+                               },
+                       },
+               },
+               expectedStatusCode:   http.StatusOK,
+               expectedJsonResponse: "{\"ranName\":\"test\",\"connectionStatus\":\"CONNECTED\",\"nodeType\":\"GNB\",\"gnb\":{\"servedNrCells\":[{\"servedNrCellInformation\":{\"nrPci\":1,\"cellId\":\"whatever\",\"servedPlmns\":[\"whatever\"],\"nrMode\":\"FDD\",\"choiceNrMode\":{\"fdd\":{}}},\"nrNeighbourInfos\":[{\"nrPci\":1,\"nrCgi\":\"whatever\",\"nrMode\":\"FDD\",\"choiceNrMode\":{\"tdd\":{}}}]}]},\"associatedE2tInstanceAddress\":\"10.0.2.15:38000\"}",
+       }
+
+       controllerUpdateGnbTestExecuter(t, &context)
+}
+
+/*
+UpdateEnb UTs
+*/
+
+func TestControllerUpdateEnbInvalidRequest(t *testing.T) {
+       controller, _, _, _, _, _ := setupControllerTest(t)
+
+       writer := httptest.NewRecorder()
+       invalidJson := strings.NewReader("{enb:\"whatever\"")
+
+       updateEnbUrl := fmt.Sprintf("/nodeb/enb/%s", RanName)
+       req, _ := http.NewRequest(http.MethodPut, updateEnbUrl, invalidJson)
+       req.Header.Set("Content-Type", "application/json")
+       req = mux.SetURLVars(req, map[string]string{"ranName": RanName})
+
+       controller.UpdateEnb(writer, req)
+
+       assert.Equal(t, http.StatusBadRequest, writer.Result().StatusCode)
+       bodyBytes, _ := ioutil.ReadAll(writer.Body)
+       assert.Equal(t, CorruptedJson, string(bodyBytes))
+}
+
+func TestControllerUpdateEnbEmptyEnbType(t *testing.T) {
+       context := controllerUpdateEnbTestContext{
+               getNodebInfoResult:   nil,
+               requestBody:          getUpdateEnbRequest(EnbRequiredFields[0]),
+               expectedStatusCode:   http.StatusBadRequest,
+               expectedJsonResponse: ValidationFailureJson,
+       }
+
+       controllerUpdateEnbTestExecuter(t, &context)
+}
+
+func TestControllerUpdateEnbEmptyServedCells(t *testing.T) {
+       context := controllerUpdateEnbTestContext{
+               getNodebInfoResult:   nil,
+               requestBody:          getUpdateEnbRequest(EnbRequiredFields[1]),
+               expectedStatusCode:   http.StatusBadRequest,
+               expectedJsonResponse: ValidationFailureJson,
+       }
+
+       controllerUpdateEnbTestExecuter(t, &context)
+}
+
+func TestControllerUpdateEnbMissingEnb(t *testing.T) {
+       context := controllerUpdateEnbTestContext{
+               getNodebInfoResult:   nil,
+               requestBody:          getUpdateEnbRequest(UpdateEnbRequestRequiredFields[0]),
+               expectedStatusCode:   http.StatusBadRequest,
+               expectedJsonResponse: ValidationFailureJson,
+       }
+
+       controllerUpdateEnbTestExecuter(t, &context)
+}
+
+func TestControllerUpdateEnbMissingRequiredServedCellProps(t *testing.T) {
+
+       r := getUpdateEnbRequest("")
+
+       for _, v := range ServedCellRequiredFields {
+               enb := r["enb"]
+
+               enbMap, _ := enb.(map[string]interface{})
+
+               enbMap["servedCells"] = []interface{}{
+                       buildServedCell(v),
+               }
+
+               context := controllerUpdateEnbTestContext{
+                       requestBody:          r,
+                       expectedStatusCode:   http.StatusBadRequest,
+                       expectedJsonResponse: ValidationFailureJson,
+               }
+
+               controllerUpdateEnbTestExecuter(t, &context)
+       }
+}
+
+func TestControllerUpdateEnbValidServedCellsGetNodebNotFound(t *testing.T) {
+       context := controllerUpdateEnbTestContext{
+               getNodebInfoResult: &getNodebInfoResult{
+                       nodebInfo: nil,
+                       rnibError: common.NewResourceNotFoundError("#reader.GetNodeb - Not found Error"),
+               },
+               requestBody:          getUpdateEnbRequest(""),
+               expectedStatusCode:   http.StatusNotFound,
+               expectedJsonResponse: ResourceNotFoundJson,
+       }
+
+       controllerUpdateEnbTestExecuter(t, &context)
+}
+
+func TestControllerUpdateEnbValidServedCellsGetNodebInternalError(t *testing.T) {
+       context := controllerUpdateEnbTestContext{
+               getNodebInfoResult: &getNodebInfoResult{
+                       nodebInfo: nil,
+                       rnibError: common.NewInternalError(errors.New("#reader.GetNodeb - Internal Error")),
+               },
+               requestBody:          getUpdateEnbRequest(""),
+               expectedStatusCode:   http.StatusInternalServerError,
+               expectedJsonResponse: RnibErrorJson,
+       }
+
+       controllerUpdateEnbTestExecuter(t, &context)
+}
+
+func TestControllerUpdateEnbGetNodebSuccessGnbTypeFailure(t *testing.T) {
+       oldServedCells := generateServedCells("whatever1", "whatever2")
+       context := controllerUpdateEnbTestContext{
+               getNodebInfoResult: &getNodebInfoResult{
+                       nodebInfo: &entities.NodebInfo{
+                               RanName:                      RanName,
+                               ConnectionStatus:             entities.ConnectionStatus_CONNECTED,
+                               AssociatedE2TInstanceAddress: AssociatedE2TInstanceAddress,
+                               NodeType:                     entities.Node_GNB,
+                               Configuration:                &entities.NodebInfo_Enb{Enb: &entities.Enb{ServedCells: oldServedCells}},
+                       },
+                       rnibError: nil,
+               },
+               requestBody:          getUpdateEnbRequest(""),
+               expectedStatusCode:   http.StatusBadRequest,
+               expectedJsonResponse: ValidationFailureJson,
+       }
+
+       controllerUpdateEnbTestExecuter(t, &context)
+}
+
+func TestControllerUpdateEnbGetNodebSuccessRemoveServedCellsFailure(t *testing.T) {
+       oldServedCells := generateServedCells("whatever1", "whatever2")
+       context := controllerUpdateEnbTestContext{
+               removeServedCellsParams: &removeServedCellsParams{
+                       err:            common.NewInternalError(errors.New("#writer.RemoveServedCells - Internal Error")),
+                       servedCellInfo: oldServedCells,
+               },
+               getNodebInfoResult: &getNodebInfoResult{
+                       nodebInfo: &entities.NodebInfo{
+                               RanName:                      RanName,
+                               ConnectionStatus:             entities.ConnectionStatus_CONNECTED,
+                               AssociatedE2TInstanceAddress: AssociatedE2TInstanceAddress,
+                               NodeType:                     entities.Node_ENB,
+                               Configuration:                &entities.NodebInfo_Enb{Enb: &entities.Enb{ServedCells: oldServedCells}},
+                       },
+                       rnibError: nil,
+               },
+               requestBody:          getUpdateEnbRequest(""),
+               expectedStatusCode:   http.StatusInternalServerError,
+               expectedJsonResponse: RnibErrorJson,
+       }
+
+       controllerUpdateEnbTestExecuter(t, &context)
+}
+
+func TestControllerUpdateEnbGetNodebSuccessUpdateEnbFailure(t *testing.T) {
+       oldServedCells := generateServedCells("whatever1", "whatever2")
+       context := controllerUpdateEnbTestContext{
+               removeServedCellsParams: &removeServedCellsParams{
+                       err:            nil,
+                       servedCellInfo: oldServedCells,
+               },
+               updateEnbCellsParams: &updateEnbCellsParams{
+                       err: common.NewInternalError(errors.New("#writer.UpdateEnb - Internal Error")),
+               },
+               getNodebInfoResult: &getNodebInfoResult{
+                       nodebInfo: &entities.NodebInfo{
+                               RanName:                      RanName,
+                               ConnectionStatus:             entities.ConnectionStatus_CONNECTED,
+                               AssociatedE2TInstanceAddress: AssociatedE2TInstanceAddress,
+                               NodeType:                     entities.Node_ENB,
+                               Configuration:                &entities.NodebInfo_Enb{Enb: &entities.Enb{ServedCells: oldServedCells, EnbType: entities.EnbType_MACRO_ENB}},
+                       },
+                       rnibError: nil,
+               },
+               requestBody:          getUpdateEnbRequest(""),
+               expectedStatusCode:   http.StatusInternalServerError,
+               expectedJsonResponse: RnibErrorJson,
+       }
+
+       controllerUpdateEnbTestExecuter(t, &context)
+}
+
+func TestControllerUpdateEnbExistingEmptyCellsSuccess(t *testing.T) {
+       oldServedCells := []*entities.ServedCellInfo{}
+       context := controllerUpdateEnbTestContext{
+               updateEnbCellsParams: &updateEnbCellsParams{
+                       err: nil,
+               },
+               getNodebInfoResult: &getNodebInfoResult{
+                       nodebInfo: &entities.NodebInfo{
+                               RanName:                      RanName,
+                               ConnectionStatus:             entities.ConnectionStatus_CONNECTED,
+                               AssociatedE2TInstanceAddress: AssociatedE2TInstanceAddress,
+                               NodeType:                     entities.Node_ENB,
+                               Configuration:                &entities.NodebInfo_Enb{Enb: &entities.Enb{ServedCells: oldServedCells, EnbType: entities.EnbType_MACRO_ENB}},
+                       },
+                       rnibError: nil,
+               },
+               requestBody:          getUpdateEnbRequest(""),
+               expectedStatusCode:   http.StatusOK,
+               expectedJsonResponse: "{\"ranName\":\"test\",\"connectionStatus\":\"CONNECTED\",\"nodeType\":\"ENB\",\"enb\":{\"enbType\":\"MACRO_ENB\",\"servedCells\":[{\"pci\":1,\"cellId\":\"whatever\",\"tac\":\"whatever3\",\"broadcastPlmns\":[\"whatever\"],\"choiceEutraMode\":{\"fdd\":{}},\"eutraMode\":\"FDD\"}]},\"associatedE2tInstanceAddress\":\"10.0.2.15:38000\"}",
+       }
+
+       controllerUpdateEnbTestExecuter(t, &context)
+}
 
-       rnibError := common.NewInternalError(errors.New("#reader.GetNodeb - Internal Error"))
-       var nodebInfo *entities.NodebInfo
-       rnibReaderMock.On("GetNodeb", "testNode").Return(nodebInfo, rnibError)
 
-       executeGetNodeb(logger, writer, rnibDataService)
-       assert.Equal(t, writer.Result().StatusCode, http.StatusInternalServerError)
+func TestControllerUpdateEnbSuccess(t *testing.T) {
+       oldServedCells := generateServedCells("whatever1", "whatever2")
+       context := controllerUpdateEnbTestContext{
+               removeServedCellsParams: &removeServedCellsParams{
+                       err:            nil,
+                       servedCellInfo: oldServedCells,
+               },
+               updateEnbCellsParams: &updateEnbCellsParams{
+                       err: nil,
+               },
+               getNodebInfoResult: &getNodebInfoResult{
+                       nodebInfo: &entities.NodebInfo{
+                               RanName:                      RanName,
+                               ConnectionStatus:             entities.ConnectionStatus_CONNECTED,
+                               AssociatedE2TInstanceAddress: AssociatedE2TInstanceAddress,
+                               NodeType:                     entities.Node_ENB,
+                               Configuration:                &entities.NodebInfo_Enb{Enb: &entities.Enb{ServedCells: oldServedCells, EnbType: entities.EnbType_MACRO_ENB}},
+                       },
+                       rnibError: nil,
+               },
+               requestBody:          getUpdateEnbRequest(""),
+               expectedStatusCode:   http.StatusOK,
+               expectedJsonResponse: "{\"ranName\":\"test\",\"connectionStatus\":\"CONNECTED\",\"nodeType\":\"ENB\",\"enb\":{\"enbType\":\"MACRO_ENB\",\"servedCells\":[{\"pci\":1,\"cellId\":\"whatever\",\"tac\":\"whatever3\",\"broadcastPlmns\":[\"whatever\"],\"choiceEutraMode\":{\"fdd\":{}},\"eutraMode\":\"FDD\"}]},\"associatedE2tInstanceAddress\":\"10.0.2.15:38000\"}",
+       }
+
+       controllerUpdateEnbTestExecuter(t, &context)
 }
 
-func executeGetNodebIdList(logger *logger.Logger, writer *httptest.ResponseRecorder, rnibDataService services.RNibDataService) {
-       req, _ := http.NewRequest("GET", "/nodeb-ids", nil)
-       NewNodebController(logger, nil, rnibDataService).GetNodebIdList(writer,req)
+/*
+AddEnb UTs
+*/
+
+func TestControllerAddEnbGetNodebInternalError(t *testing.T) {
+       context := controllerAddEnbTestContext{
+               getNodebInfoResult: &getNodebInfoResult{
+                       nodebInfo: nil,
+                       rnibError: common.NewInternalError(errors.New("#reader.GetNodeb - Internal Error")),
+               },
+               requestBody:          getAddEnbRequest(""),
+               expectedStatusCode:   http.StatusInternalServerError,
+               expectedJsonResponse: RnibErrorJson,
+       }
+
+       controllerAddEnbTestExecuter(t, &context)
 }
 
-func TestNodebController_GetNodebIdList_Success(t *testing.T) {
-       logger, rnibDataService, rnibReaderMock := setupNodebControllerTest(t)
+func TestControllerAddEnbNodebExistsFailure(t *testing.T) {
+       context := controllerAddEnbTestContext{
+               getNodebInfoResult: &getNodebInfoResult{
+                       nodebInfo: &entities.NodebInfo{},
+                       rnibError: nil,
+               },
+               requestBody:          getAddEnbRequest(""),
+               expectedStatusCode:   http.StatusBadRequest,
+               expectedJsonResponse: NodebExistsJson,
+       }
+
+       controllerAddEnbTestExecuter(t, &context)
+}
+
+func TestControllerAddEnbSaveNodebFailure(t *testing.T) {
+       context := controllerAddEnbTestContext{
+               saveNodebParams: &saveNodebParams{
+                       err: common.NewInternalError(errors.New("#reader.SaveeNodeb - Internal Error")),
+               },
+               getNodebInfoResult: &getNodebInfoResult{
+                       nodebInfo: nil,
+                       rnibError: common.NewResourceNotFoundError("#reader.GetNodeb - Not found Error"),
+               },
+               requestBody:          getAddEnbRequest(""),
+               expectedStatusCode:   http.StatusInternalServerError,
+               expectedJsonResponse: RnibErrorJson,
+       }
+
+       controllerAddEnbTestExecuter(t, &context)
+}
+
+func TestControllerAddEnbAddNbIdentityFailure(t *testing.T) {
+       context := controllerAddEnbTestContext{
+               saveNodebParams: &saveNodebParams{
+                       err: nil,
+               },
+               addNbIdentityParams: &addNbIdentityParams{
+                       err: common.NewInternalError(errors.New("#writer.addNbIdentity - Internal Error")),
+               },
+               getNodebInfoResult: &getNodebInfoResult{
+                       nodebInfo: nil,
+                       rnibError: common.NewResourceNotFoundError("#reader.GetNodeb - Not found Error"),
+               },
+               requestBody:          getAddEnbRequest(""),
+               expectedStatusCode:   http.StatusInternalServerError,
+               expectedJsonResponse: RnibErrorJson,
+       }
+
+       controllerAddEnbTestExecuter(t, &context)
+}
+
+func TestControllerAddEnbMissingRequiredRequestProps(t *testing.T) {
+
+       for _, v := range AddEnbRequestRequiredFields {
+               context := controllerAddEnbTestContext{
+                       requestBody:          getAddEnbRequest(v),
+                       expectedStatusCode:   http.StatusBadRequest,
+                       expectedJsonResponse: ValidationFailureJson,
+               }
+
+               controllerAddEnbTestExecuter(t, &context)
+       }
+}
+
+func TestControllerAddEnbInvalidRequest(t *testing.T) {
+       controller, _, _, _, _, _ := setupControllerTest(t)
        writer := httptest.NewRecorder()
 
+       // Invalid json: attribute name without quotes (should be "cause":).
+       invalidJson := strings.NewReader("{ranName:\"whatever\"")
+       req, _ := http.NewRequest(http.MethodPost, AddEnbUrl, invalidJson)
+
+       controller.AddEnb(writer, req)
+       assert.Equal(t, http.StatusBadRequest, writer.Result().StatusCode)
+       bodyBytes, _ := ioutil.ReadAll(writer.Body)
+       assert.Equal(t, CorruptedJson, string(bodyBytes))
+
+}
+
+func TestControllerAddEnbMissingRequiredGlobalNbIdProps(t *testing.T) {
+
+       r := getAddEnbRequest("")
+
+       for _, v := range GlobalIdRequiredFields {
+               r["globalNbId"] = buildGlobalNbId(v)
+
+               context := controllerAddEnbTestContext{
+                       requestBody:          r,
+                       expectedStatusCode:   http.StatusBadRequest,
+                       expectedJsonResponse: ValidationFailureJson,
+               }
+
+               controllerAddEnbTestExecuter(t, &context)
+       }
+}
+
+func TestControllerAddEnbMissingRequiredEnbProps(t *testing.T) {
+
+       r := getAddEnbRequest("")
+
+       for _, v := range EnbRequiredFields {
+               r["enb"] = buildEnb(v)
+
+               context := controllerAddEnbTestContext{
+                       requestBody:          r,
+                       expectedStatusCode:   http.StatusBadRequest,
+                       expectedJsonResponse: ValidationFailureJson,
+               }
+
+               controllerAddEnbTestExecuter(t, &context)
+       }
+}
+
+func TestControllerAddEnbMissingRequiredServedCellProps(t *testing.T) {
+
+       r := getAddEnbRequest("")
+
+       for _, v := range ServedCellRequiredFields {
+               enb := r["enb"]
+
+               enbMap, _ := enb.(map[string]interface{})
+
+               enbMap["servedCells"] = []interface{}{
+                       buildServedCell(v),
+               }
+
+               context := controllerAddEnbTestContext{
+                       requestBody:          r,
+                       expectedStatusCode:   http.StatusBadRequest,
+                       expectedJsonResponse: ValidationFailureJson,
+               }
+
+               controllerAddEnbTestExecuter(t, &context)
+       }
+}
+
+func TestControllerAddEnbSuccess(t *testing.T) {
+       context := controllerAddEnbTestContext{
+               saveNodebParams: &saveNodebParams{
+                       err: nil,
+               },
+               addNbIdentityParams: &addNbIdentityParams{
+                       err: nil,
+               },
+               getNodebInfoResult: &getNodebInfoResult{
+                       nodebInfo: nil,
+                       rnibError: common.NewResourceNotFoundError("#reader.GetNodeb - Not found Error"),
+               },
+               requestBody:          getAddEnbRequest(""),
+               expectedStatusCode:   http.StatusCreated,
+               expectedJsonResponse: "{\"ranName\":\"test\",\"connectionStatus\":\"DISCONNECTED\",\"globalNbId\":{\"plmnId\":\"whatever\",\"nbId\":\"whatever2\"},\"nodeType\":\"ENB\",\"enb\":{\"enbType\":\"MACRO_ENB\",\"servedCells\":[{\"pci\":1,\"cellId\":\"whatever\",\"tac\":\"whatever3\",\"broadcastPlmns\":[\"whatever\"],\"choiceEutraMode\":{\"fdd\":{}},\"eutraMode\":\"FDD\"}]}}",
+       }
+
+       controllerAddEnbTestExecuter(t, &context)
+}
+
+func TestControllerDeleteEnbGetNodebInternalError(t *testing.T) {
+       context := controllerDeleteEnbTestContext{
+               getNodebInfoResult: &getNodebInfoResult{
+                       nodebInfo: nil,
+                       rnibError: common.NewInternalError(errors.New("#reader.GetNodeb - Internal Error")),
+               },
+               expectedStatusCode:   http.StatusInternalServerError,
+               expectedJsonResponse: RnibErrorJson,
+       }
+
+       controllerDeleteEnbTestExecuter(t, &context, false)
+}
+
+/*
+DeleteEnb UTs
+*/
+
+func TestControllerDeleteEnbNodebNotExistsFailure(t *testing.T) {
+       context := controllerDeleteEnbTestContext{
+               getNodebInfoResult: &getNodebInfoResult{
+                       nodebInfo: nil,
+                       rnibError: common.NewResourceNotFoundError("#reader.GetNodeb - Not found"),
+               },
+               expectedStatusCode:   http.StatusNotFound,
+               expectedJsonResponse: ResourceNotFoundJson,
+       }
+
+       controllerDeleteEnbTestExecuter(t, &context, false)
+}
+
+func TestControllerDeleteEnbNodebNotEnb(t *testing.T) {
+       context := controllerDeleteEnbTestContext{
+               getNodebInfoResult: &getNodebInfoResult{
+                       nodebInfo: &entities.NodebInfo{RanName: "ran1", NodeType: entities.Node_GNB, ConnectionStatus: entities.ConnectionStatus_DISCONNECTED},
+                       rnibError: nil,
+               },
+               expectedStatusCode:   http.StatusBadRequest,
+               expectedJsonResponse: ValidationFailureJson,
+       }
+
+       controllerDeleteEnbTestExecuter(t, &context, false)
+}
+
+func TestControllerDeleteEnbSuccess(t *testing.T) {
+       context := controllerDeleteEnbTestContext{
+               getNodebInfoResult: &getNodebInfoResult{
+                       nodebInfo: &entities.NodebInfo{RanName: RanName, NodeType: entities.Node_ENB, ConnectionStatus: entities.ConnectionStatus_DISCONNECTED},
+                       rnibError: nil,
+               },
+               expectedStatusCode:   http.StatusNoContent,
+               expectedJsonResponse: "",
+       }
+       controllerDeleteEnbTestExecuter(t, &context, true)
+}
+
+func getJsonRequestAsBuffer(requestJson map[string]interface{}) *bytes.Buffer {
+       b := new(bytes.Buffer)
+       _ = json.NewEncoder(b).Encode(requestJson)
+       return b
+}
+
+/*
+GetNodeb UTs
+*/
+
+func TestControllerGetNodebSuccess(t *testing.T) {
+       ranName := "test"
        var rnibError error
+       context := controllerGetNodebTestContext{
+               ranName:              ranName,
+               nodebInfo:            &entities.NodebInfo{RanName: ranName, Ip: "10.0.2.15", Port: 1234},
+               rnibError:            rnibError,
+               expectedStatusCode:   http.StatusOK,
+               expectedJsonResponse: fmt.Sprintf("{\"ranName\":\"%s\",\"ip\":\"10.0.2.15\",\"port\":1234}", ranName),
+       }
+
+       controllerGetNodebTestExecuter(t, &context)
+}
+
+func TestControllerGetNodebNotFound(t *testing.T) {
+
+       ranName := "test"
+       var nodebInfo *entities.NodebInfo
+       context := controllerGetNodebTestContext{
+               ranName:              ranName,
+               nodebInfo:            nodebInfo,
+               rnibError:            common.NewResourceNotFoundError("#reader.GetNodeb - Not found Error"),
+               expectedStatusCode:   http.StatusNotFound,
+               expectedJsonResponse: ResourceNotFoundJson,
+       }
+
+       controllerGetNodebTestExecuter(t, &context)
+}
+
+func TestControllerGetNodebInternal(t *testing.T) {
+       ranName := "test"
+       var nodebInfo *entities.NodebInfo
+       context := controllerGetNodebTestContext{
+               ranName:              ranName,
+               nodebInfo:            nodebInfo,
+               rnibError:            common.NewInternalError(errors.New("#reader.GetNodeb - Internal Error")),
+               expectedStatusCode:   http.StatusInternalServerError,
+               expectedJsonResponse: RnibErrorJson,
+       }
+
+       controllerGetNodebTestExecuter(t, &context)
+}
 
-       nbList := []*entities.NbIdentity{
+func TestControllerGetNodebIdListSuccess(t *testing.T) {
+       var rnibError error
+       nodebIdList := []*entities.NbIdentity{
                {InventoryName: "test1", GlobalNbId: &entities.GlobalNbId{PlmnId: "plmnId1", NbId: "nbId1"}},
                {InventoryName: "test2", GlobalNbId: &entities.GlobalNbId{PlmnId: "plmnId2", NbId: "nbId2"}},
-               {InventoryName: "test3", GlobalNbId: &entities.GlobalNbId{PlmnId: "", NbId: ""}},
        }
-       rnibReaderMock.On("GetListNodebIds").Return(nbList, rnibError)
 
-       executeGetNodebIdList(logger, writer, rnibDataService)
-       assert.Equal(t, writer.Result().StatusCode, http.StatusOK)
-       bodyBytes, _ := ioutil.ReadAll(writer.Body)
-       assert.Equal(t, "[{\"inventoryName\":\"test1\",\"globalNbId\":{\"plmnId\":\"plmnId1\",\"nbId\":\"nbId1\"}},{\"inventoryName\":\"test2\",\"globalNbId\":{\"plmnId\":\"plmnId2\",\"nbId\":\"nbId2\"}},{\"inventoryName\":\"test3\",\"globalNbId\":{}}]", string(bodyBytes))
+       context := controllerGetNodebIdListTestContext{
+               nodebIdList:          nodebIdList,
+               rnibError:            rnibError,
+               expectedStatusCode:   http.StatusOK,
+               expectedJsonResponse: "[{\"inventoryName\":\"test1\",\"globalNbId\":{\"plmnId\":\"plmnId1\",\"nbId\":\"nbId1\"}},{\"inventoryName\":\"test2\",\"globalNbId\":{\"plmnId\":\"plmnId2\",\"nbId\":\"nbId2\"}}]",
+       }
+
+       controllerGetNodebIdListTestExecuter(t, &context)
 }
 
-func TestNodebController_GetNodebIdList_EmptyList(t *testing.T) {
-       logger, rnibDataService, rnibReaderMock := setupNodebControllerTest(t)
+func TestControllerGetNodebIdListEmptySuccess(t *testing.T) {
+       var rnibError error
+       var nodebIdList []*entities.NbIdentity
+
+       context := controllerGetNodebIdListTestContext{
+               nodebIdList:          nodebIdList,
+               rnibError:            rnibError,
+               expectedStatusCode:   http.StatusOK,
+               expectedJsonResponse: "[]",
+       }
+
+       controllerGetNodebIdListTestExecuter(t, &context)
+}
+
+func TestHeaderValidationFailed(t *testing.T) {
+       controller, _, _, _, _, _ := setupControllerTest(t)
 
        writer := httptest.NewRecorder()
 
-       var rnibError error
-       nbList := []*entities.NbIdentity{}
-       rnibReaderMock.On("GetListNodebIds").Return(nbList, rnibError)
+       header := &http.Header{}
 
+       controller.handleRequest(writer, header, httpmsghandlerprovider.ShutdownRequest, nil, true, 0)
 
-       executeGetNodebIdList(logger, writer, rnibDataService)
+       var errorResponse = parseJsonRequest(t, writer.Body)
+       err := e2managererrors.NewHeaderValidationError()
+
+       assert.Equal(t, http.StatusUnsupportedMediaType, writer.Result().StatusCode)
+       assert.Equal(t, errorResponse.Code, err.Code)
+       assert.Equal(t, errorResponse.Message, err.Message)
+}
+
+func TestShutdownStatusNoContent(t *testing.T) {
+       controller, readerMock, _, _, e2tInstancesManagerMock, _ := setupControllerTest(t)
+       e2tInstancesManagerMock.On("GetE2TAddresses").Return([]string{}, nil)
+       readerMock.On("GetListNodebIds").Return([]*entities.NbIdentity{}, nil)
+
+       writer := httptest.NewRecorder()
+       controller.Shutdown(writer, tests.GetHttpRequest())
+
+       assert.Equal(t, http.StatusNoContent, writer.Result().StatusCode)
+}
+
+func TestHandleInternalError(t *testing.T) {
+       controller, _, _, _, _, _ := setupControllerTest(t)
+
+       writer := httptest.NewRecorder()
+       err := e2managererrors.NewInternalError()
+
+       controller.handleErrorResponse(err, writer)
+       var errorResponse = parseJsonRequest(t, writer.Body)
+
+       assert.Equal(t, http.StatusInternalServerError, writer.Result().StatusCode)
+       assert.Equal(t, errorResponse.Code, err.Code)
+       assert.Equal(t, errorResponse.Message, err.Message)
+}
+
+func TestHandleCommandAlreadyInProgressError(t *testing.T) {
+       controller, _, _, _, _, _ := setupControllerTest(t)
+       writer := httptest.NewRecorder()
+       err := e2managererrors.NewCommandAlreadyInProgressError()
+
+       controller.handleErrorResponse(err, writer)
+       var errorResponse = parseJsonRequest(t, writer.Body)
+
+       assert.Equal(t, http.StatusMethodNotAllowed, writer.Result().StatusCode)
+       assert.Equal(t, errorResponse.Code, err.Code)
+       assert.Equal(t, errorResponse.Message, err.Message)
+}
+
+func TestHandleRoutingManagerError(t *testing.T) {
+       controller, _, _, _, _, _ := setupControllerTest(t)
+       writer := httptest.NewRecorder()
+       err := e2managererrors.NewRoutingManagerError()
+
+       controller.handleErrorResponse(err, writer)
+       var errorResponse = parseJsonRequest(t, writer.Body)
+
+       assert.Equal(t, http.StatusServiceUnavailable, writer.Result().StatusCode)
+       assert.Equal(t, errorResponse.Code, err.Code)
+       assert.Equal(t, errorResponse.Message, err.Message)
+}
+
+func TestHandleE2TInstanceAbsenceError(t *testing.T) {
+       controller, _, _, _, _, _ := setupControllerTest(t)
+
+       writer := httptest.NewRecorder()
+       err := e2managererrors.NewE2TInstanceAbsenceError()
+
+       controller.handleErrorResponse(err, writer)
+       var errorResponse = parseJsonRequest(t, writer.Body)
+
+       assert.Equal(t, http.StatusServiceUnavailable, writer.Result().StatusCode)
+       assert.Equal(t, errorResponse.Code, err.Code)
+       assert.Equal(t, errorResponse.Message, err.Message)
+}
+
+func TestValidateHeaders(t *testing.T) {
+       controller, _, _, _, _, _ := setupControllerTest(t)
+
+       header := http.Header{}
+       header.Set("Content-Type", "application/json")
+       result := controller.validateRequestHeader(&header)
+
+       assert.Nil(t, result)
+}
+
+func parseJsonRequest(t *testing.T, r io.Reader) models.ErrorResponse {
+
+       var errorResponse models.ErrorResponse
+       body, err := ioutil.ReadAll(r)
+       if err != nil {
+               t.Errorf("Error cannot deserialize json request")
+       }
+       _ = json.Unmarshal(body, &errorResponse)
+
+       return errorResponse
+}
+
+func initLog(t *testing.T) *logger.Logger {
+       log, err := logger.InitLogger(logger.InfoLevel)
+       if err != nil {
+               t.Errorf("#delete_all_request_handler_test.TestHandleSuccessFlow - failed to initialize logger, error: %s", err)
+       }
+       return log
+}
+
+func TestX2ResetHandleSuccessfulRequestedCause(t *testing.T) {
+       controller, readerMock, _, rmrMessengerMock, _, _ := setupControllerTest(t)
+
+       ranName := "test1"
+       payload := []byte{0x00, 0x07, 0x00, 0x08, 0x00, 0x00, 0x01, 0x00, 0x05, 0x40, 0x01, 0x40}
+       var xAction []byte
+       var msgSrc unsafe.Pointer
+       msg := rmrCgo.NewMBuf(rmrCgo.RIC_X2_RESET, len(payload), ranName, &payload, &xAction, msgSrc)
+       rmrMessengerMock.On("SendMsg", msg, mock.Anything).Return(msg, nil)
+
+       writer := httptest.NewRecorder()
+
+       var nodeb = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_CONNECTED}
+       readerMock.On("GetNodeb", ranName).Return(nodeb, nil)
+
+       data4Req := map[string]interface{}{"cause": "protocol:transfer-syntax-error"}
+       b := new(bytes.Buffer)
+       _ = json.NewEncoder(b).Encode(data4Req)
+       req, _ := http.NewRequest("PUT", "https://localhost:3800/nodeb-reset", b)
+       req = mux.SetURLVars(req, map[string]string{"ranName": ranName})
+
+       controller.X2Reset(writer, req)
+       assert.Equal(t, http.StatusNoContent, writer.Result().StatusCode)
 
-       assert.Equal(t, writer.Result().StatusCode, http.StatusOK)
-       bodyBytes, _ := ioutil.ReadAll(writer.Body)
-       assert.Equal(t, "[]", string(bodyBytes))
 }
 
-func TestNodebController_GetNodebIdList_InternalError(t *testing.T) {
-       logger, rnibDataService, rnibReaderMock := setupNodebControllerTest(t)
+func TestX2ResetHandleSuccessfulRequestedDefault(t *testing.T) {
+       controller, readerMock, _, rmrMessengerMock, _, _ := setupControllerTest(t)
+
+       ranName := "test1"
+       // o&m intervention
+       payload := []byte{0x00, 0x07, 0x00, 0x08, 0x00, 0x00, 0x01, 0x00, 0x05, 0x40, 0x01, 0x64}
+       var xAction []byte
+       var msgSrc unsafe.Pointer
+       msg := rmrCgo.NewMBuf(rmrCgo.RIC_X2_RESET, len(payload), ranName, &payload, &xAction, msgSrc)
+       rmrMessengerMock.On("SendMsg", msg, true).Return(msg, nil)
 
        writer := httptest.NewRecorder()
 
-       rnibError := common.NewInternalError(errors.New("#reader.GetEnbIdList - Internal Error"))
-       var nbList []*entities.NbIdentity
-       rnibReaderMock.On("GetListNodebIds").Return(nbList, rnibError)
+       var nodeb = &entities.NodebInfo{ConnectionStatus: entities.ConnectionStatus_CONNECTED}
+       readerMock.On("GetNodeb", ranName).Return(nodeb, nil)
+
+       // no body
+       b := new(bytes.Buffer)
+       data4Req := map[string]interface{}{}
+       _ = json.NewEncoder(b).Encode(data4Req)
+       req, _ := http.NewRequest("PUT", "https://localhost:3800/nodeb-reset", b)
+       req = mux.SetURLVars(req, map[string]string{"ranName": ranName})
+
+       controller.X2Reset(writer, req)
+       assert.Equal(t, http.StatusNoContent, writer.Result().StatusCode)
+}
 
-       executeGetNodebIdList(logger, writer, rnibDataService)
-       assert.Equal(t, writer.Result().StatusCode, http.StatusInternalServerError)
+func TestX2ResetHandleFailureInvalidBody(t *testing.T) {
+       controller, _, _, _, _, _ := setupControllerTest(t)
+
+       ranName := "test1"
+
+       writer := httptest.NewRecorder()
+
+       // Invalid json: attribute name without quotes (should be "cause":).
+       b := strings.NewReader("{cause:\"protocol:transfer-syntax-error\"")
+       req, _ := http.NewRequest("PUT", "https://localhost:3800/nodeb-reset", b)
+       req = mux.SetURLVars(req, map[string]string{"ranName": ranName})
+
+       controller.X2Reset(writer, req)
+       assert.Equal(t, http.StatusBadRequest, writer.Result().StatusCode)
+
+}
+
+func TestHandleErrorResponse(t *testing.T) {
+       controller, _, _, _, _, _ := setupControllerTest(t)
+
+       writer := httptest.NewRecorder()
+       controller.handleErrorResponse(e2managererrors.NewRnibDbError(), writer)
+       assert.Equal(t, http.StatusInternalServerError, writer.Result().StatusCode)
+
+       writer = httptest.NewRecorder()
+       controller.handleErrorResponse(e2managererrors.NewCommandAlreadyInProgressError(), writer)
+       assert.Equal(t, http.StatusMethodNotAllowed, writer.Result().StatusCode)
+
+       writer = httptest.NewRecorder()
+       controller.handleErrorResponse(e2managererrors.NewHeaderValidationError(), writer)
+       assert.Equal(t, http.StatusUnsupportedMediaType, writer.Result().StatusCode)
+
+       writer = httptest.NewRecorder()
+       controller.handleErrorResponse(e2managererrors.NewWrongStateError("", ""), writer)
+       assert.Equal(t, http.StatusBadRequest, writer.Result().StatusCode)
+
+       writer = httptest.NewRecorder()
+       controller.handleErrorResponse(e2managererrors.NewRequestValidationError(), writer)
+       assert.Equal(t, http.StatusBadRequest, writer.Result().StatusCode)
+
+       writer = httptest.NewRecorder()
+       controller.handleErrorResponse(e2managererrors.NewRmrError(), writer)
+       assert.Equal(t, http.StatusInternalServerError, writer.Result().StatusCode)
+
+       writer = httptest.NewRecorder()
+       controller.handleErrorResponse(e2managererrors.NewResourceNotFoundError(), writer)
+       assert.Equal(t, http.StatusNotFound, writer.Result().StatusCode)
+
+       writer = httptest.NewRecorder()
+       controller.handleErrorResponse(fmt.Errorf("ErrorError"), writer)
+       assert.Equal(t, http.StatusInternalServerError, writer.Result().StatusCode)
+}
+
+func getRmrSender(rmrMessengerMock *mocks.RmrMessengerMock, log *logger.Logger) *rmrsender.RmrSender {
+       rmrMessenger := rmrCgo.RmrMessenger(rmrMessengerMock)
+       rmrMessengerMock.On("Init", tests.GetPort(), tests.MaxMsgSize, tests.Flags, log).Return(&rmrMessenger)
+       return rmrsender.NewRmrSender(log, rmrMessenger)
 }