-////
//// Copyright 2019 AT&T Intellectual Property
//// Copyright 2019 Nokia
////
//// 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 rmrmsghandlers
import (
+ "bytes"
+ "e2mgr/clients"
+ "e2mgr/configuration"
"e2mgr/logger"
+ "e2mgr/managers"
"e2mgr/mocks"
"e2mgr/models"
+ "e2mgr/services"
+ "encoding/json"
+ "gerrit.o-ran-sc.org/r/ric-plt/nodeb-rnib.git/entities"
"github.com/pkg/errors"
+ "io/ioutil"
+ "net/http"
"testing"
)
+const ranName = "test"
+const e2tAddress = "10.10.2.15:9800"
+
func TestLostConnectionHandlerSuccess(t *testing.T) {
logger, _ := logger.InitLogger(logger.InfoLevel)
- ranName := "test"
+
notificationRequest := models.NotificationRequest{RanName: ranName}
- ranReconnectionManagerMock := &mocks.RanReconnectionManagerMock{}
- ranReconnectionManagerMock.On("ReconnectRan", ranName).Return(nil)
- handler := NewRanLostConnectionHandler(logger, ranReconnectionManagerMock)
+ ranDisconnectionManagerMock := &mocks.RanDisconnectionManagerMock{}
+ ranDisconnectionManagerMock.On("DisconnectRan", ranName).Return(nil)
+ handler := NewRanLostConnectionHandler(logger, ranDisconnectionManagerMock)
handler.Handle(¬ificationRequest)
- ranReconnectionManagerMock.AssertCalled(t, "ReconnectRan", ranName)
+ ranDisconnectionManagerMock.AssertCalled(t, "DisconnectRan", ranName)
}
func TestLostConnectionHandlerFailure(t *testing.T) {
logger, _ := logger.InitLogger(logger.InfoLevel)
- ranName := "test"
+
notificationRequest := models.NotificationRequest{RanName: ranName}
- ranReconnectionManagerMock := &mocks.RanReconnectionManagerMock{}
- ranReconnectionManagerMock.On("ReconnectRan", ranName).Return(errors.New("error"))
- handler := NewRanLostConnectionHandler(logger, ranReconnectionManagerMock)
+ ranDisconnectionManagerMock := &mocks.RanDisconnectionManagerMock{}
+ ranDisconnectionManagerMock.On("DisconnectRan", ranName).Return(errors.New("error"))
+ handler := NewRanLostConnectionHandler(logger, ranDisconnectionManagerMock)
handler.Handle(¬ificationRequest)
- ranReconnectionManagerMock.AssertCalled(t, "ReconnectRan", ranName)
+ ranDisconnectionManagerMock.AssertCalled(t, "DisconnectRan", ranName)
+}
+
+func setupLostConnectionHandlerTestWithRealReconnectionManager(t *testing.T, isSuccessfulHttpPost bool) (RanLostConnectionHandler, *mocks.RnibReaderMock, *mocks.RnibWriterMock, *mocks.HttpClientMock) {
+ logger, _ := logger.InitLogger(logger.InfoLevel)
+ config := &configuration.Configuration{RnibRetryIntervalMs: 10, MaxRnibConnectionAttempts: 3}
+
+ readerMock := &mocks.RnibReaderMock{}
+ writerMock := &mocks.RnibWriterMock{}
+ rnibDataService := services.NewRnibDataService(logger, config, readerMock, writerMock)
+ e2tInstancesManager := managers.NewE2TInstancesManager(rnibDataService, logger)
+ httpClientMock := &mocks.HttpClientMock{}
+ routingManagerClient := clients.NewRoutingManagerClient(logger, config, httpClientMock)
+ e2tAssociationManager := managers.NewE2TAssociationManager(logger, rnibDataService, e2tInstancesManager, routingManagerClient)
+ ranDisconnectionManager := managers.NewRanDisconnectionManager(logger, configuration.ParseConfiguration(), rnibDataService, e2tAssociationManager)
+ handler := NewRanLostConnectionHandler(logger, ranDisconnectionManager)
+
+ origNodebInfo := &entities.NodebInfo{RanName: ranName, GlobalNbId: &entities.GlobalNbId{PlmnId: "xxx", NbId: "yyy"}, ConnectionStatus: entities.ConnectionStatus_CONNECTING, ConnectionAttempts: 20, AssociatedE2TInstanceAddress: e2tAddress}
+ var rnibErr error
+ readerMock.On("GetNodeb", ranName).Return(origNodebInfo, rnibErr)
+ updatedNodebInfo1 := *origNodebInfo
+ updatedNodebInfo1.ConnectionStatus = entities.ConnectionStatus_DISCONNECTED
+ writerMock.On("UpdateNodebInfo", &updatedNodebInfo1).Return(rnibErr)
+ updatedNodebInfo2 := *origNodebInfo
+ updatedNodebInfo2.ConnectionStatus = entities.ConnectionStatus_DISCONNECTED
+ updatedNodebInfo2.AssociatedE2TInstanceAddress = ""
+ writerMock.On("UpdateNodebInfo", &updatedNodebInfo2).Return(rnibErr)
+ e2tInstance := &entities.E2TInstance{Address: e2tAddress, AssociatedRanList: []string{ranName}}
+ readerMock.On("GetE2TInstance", e2tAddress).Return(e2tInstance, nil)
+ e2tInstanceToSave := *e2tInstance
+ e2tInstanceToSave.AssociatedRanList = []string{}
+ writerMock.On("SaveE2TInstance", &e2tInstanceToSave).Return(nil)
+ mockHttpClient(httpClientMock, isSuccessfulHttpPost)
+
+ return handler, readerMock, writerMock, httpClientMock
+}
+
+func mockHttpClient(httpClientMock *mocks.HttpClientMock, isSuccessful bool) {
+ data := models.RoutingManagerE2TDataList{models.NewRoutingManagerE2TData(e2tAddress, RanName)}
+ marshaled, _ := json.Marshal(data)
+ body := bytes.NewBuffer(marshaled)
+ respBody := ioutil.NopCloser(bytes.NewBufferString(""))
+ var respStatusCode int
+ if isSuccessful {
+ respStatusCode = http.StatusCreated
+ } else {
+ respStatusCode = http.StatusBadRequest
+ }
+ httpClientMock.On("Post", clients.DissociateRanE2TInstanceApiSuffix, "application/json", body).Return(&http.Response{StatusCode: respStatusCode, Body: respBody}, nil)
+}
+
+func TestLostConnectionHandlerFailureWithRealReconnectionManager(t *testing.T) {
+ handler, readerMock, writerMock, httpClientMock := setupLostConnectionHandlerTestWithRealReconnectionManager(t, false)
+
+ notificationRequest := models.NotificationRequest{RanName: ranName}
+ handler.Handle(¬ificationRequest)
+
+ readerMock.AssertExpectations(t)
+ writerMock.AssertExpectations(t)
+ httpClientMock.AssertExpectations(t)
+ writerMock.AssertNumberOfCalls(t, "UpdateNodebInfo", 2)
+}
+
+func TestLostConnectionHandlerSuccessWithRealReconnectionManager(t *testing.T) {
+ handler, readerMock, writerMock, httpClientMock := setupLostConnectionHandlerTestWithRealReconnectionManager(t, true)
+
+ notificationRequest := models.NotificationRequest{RanName: ranName}
+ handler.Handle(¬ificationRequest)
+
+ readerMock.AssertExpectations(t)
+ writerMock.AssertExpectations(t)
+ httpClientMock.AssertExpectations(t)
+ writerMock.AssertNumberOfCalls(t, "UpdateNodebInfo", 2)
}