[SDC] Onboarding 1710 rebase.

Change-Id: If3b6b81d221fde13908f1e8160db6f7d9433c535
Signed-off-by: Avi Ziv <avi.ziv@amdocs.com>

9 files changed, 1420 insertions, 65 deletions

diff --git a/openecomp-be/backend/openecomp-sdc-vendor-license-manager/src/main/java/org/openecomp/sdc/vendorlicense/VendorLicenseManager.java b/openecomp-be/backend/openecomp-sdc-vendor-license-manager/src/main/java/org/openecomp/sdc/vendorlicense/VendorLicenseManager.java
index aa9fc0a8cd..a76b9b865d 100644
--- a/openecomp-be/backend/openecomp-sdc-vendor-license-manager/src/main/java/org/openecomp/sdc/vendorlicense/VendorLicenseManager.java
+++ b/openecomp-be/backend/openecomp-sdc-vendor-license-manager/src/main/java/org/openecomp/sdc/vendorlicense/VendorLicenseManager.java
@@ -26,7 +26,9 @@ import org.openecomp.sdc.vendorlicense.dao.types.FeatureGroupModel;
 import org.openecomp.sdc.vendorlicense.dao.types.LicenseAgreementEntity;
 import org.openecomp.sdc.vendorlicense.dao.types.LicenseAgreementModel;
 import org.openecomp.sdc.vendorlicense.dao.types.LicenseKeyGroupEntity;
+import org.openecomp.sdc.vendorlicense.dao.types.LimitEntity;
 import org.openecomp.sdc.vendorlicense.dao.types.VendorLicenseModelEntity;
+import org.openecomp.sdc.vendorlicense.errors.LimitErrorBuilder;
 import org.openecomp.sdc.vendorlicense.types.VersionedVendorLicenseModel;
 import org.openecomp.sdc.versioning.dao.types.Version;
 
@@ -109,4 +111,14 @@ public interface VendorLicenseManager {
 
   void deleteLicenseKeyGroup(LicenseKeyGroupEntity licenseKeyGroup, String user);
 
+  LimitEntity createLimit(LimitEntity limitEntity, String user);
+
+  Collection<LimitEntity> listLimits(String vlmId, Version version, String epLkgId, String user);
+
+  void deleteLimit(LimitEntity limitEntity, String user);
+
+  void updateLimit(LimitEntity limitEntity, String user);
+
+  LimitEntity getLimit(LimitEntity entitlementPool, String user);
+
 }
diff --git a/openecomp-be/backend/openecomp-sdc-vendor-license-manager/src/main/java/org/openecomp/sdc/vendorlicense/errors/LimitErrorBuilder.java b/openecomp-be/backend/openecomp-sdc-vendor-license-manager/src/main/java/org/openecomp/sdc/vendorlicense/errors/LimitErrorBuilder.java
new file mode 100644
index 0000000000..4889b5a04a
--- /dev/null
+++ b/openecomp-be/backend/openecomp-sdc-vendor-license-manager/src/main/java/org/openecomp/sdc/vendorlicense/errors/LimitErrorBuilder.java
@@ -0,0 +1,30 @@
+package org.openecomp.sdc.vendorlicense.errors;
+
+
+import org.openecomp.sdc.common.errors.ErrorCategory;
+import org.openecomp.sdc.common.errors.ErrorCode;
+
+public class LimitErrorBuilder {
+
+  private static final String LIMIT_INVALID_ATTR_VALUE_MSG = "The %s value doesn't meet the "
+      + "expected attribute value.";
+
+  private static final String DUPLICATE_LIMIT_NAME_NOT_ALLOWED_MSG =
+      "Invalid request, Limit with name %s already exists for type %s.";
+
+  public static ErrorCode getInvalidValueErrorBuilder(String attribute, String errorCode) {
+    ErrorCode.ErrorCodeBuilder builder = new ErrorCode.ErrorCodeBuilder();
+    builder.withId(errorCode);
+    builder.withCategory(ErrorCategory.APPLICATION);
+    builder.withMessage(String.format(LIMIT_INVALID_ATTR_VALUE_MSG, attribute));
+    return builder.build();
+  }
+
+  public static ErrorCode getDuplicateNameErrorbuilder(String name, String type) {
+    ErrorCode.ErrorCodeBuilder builder = new ErrorCode.ErrorCodeBuilder();
+    builder.withId(VendorLicenseErrorCodes.DUPLICATE_LIMIT_NAME_NOT_ALLOWED);
+    builder.withCategory(ErrorCategory.APPLICATION);
+    builder.withMessage(String.format(DUPLICATE_LIMIT_NAME_NOT_ALLOWED_MSG, name, type ));
+    return builder.build();
+  }
+}
diff --git a/openecomp-be/backend/openecomp-sdc-vendor-license-manager/src/main/java/org/openecomp/sdc/vendorlicense/impl/VendorLicenseManagerImpl.java b/openecomp-be/backend/openecomp-sdc-vendor-license-manager/src/main/java/org/openecomp/sdc/vendorlicense/impl/VendorLicenseManagerImpl.java
index eb559f2e62..622ff02501 100644
--- a/openecomp-be/backend/openecomp-sdc-vendor-license-manager/src/main/java/org/openecomp/sdc/vendorlicense/impl/VendorLicenseManagerImpl.java
+++ b/openecomp-be/backend/openecomp-sdc-vendor-license-manager/src/main/java/org/openecomp/sdc/vendorlicense/impl/VendorLicenseManagerImpl.java
@@ -24,6 +24,8 @@ import org.openecomp.core.util.UniqueValueUtil;
 import org.openecomp.sdc.activityLog.ActivityLogManager;
 import org.openecomp.sdc.activityLog.ActivityLogManagerFactory;
 import org.openecomp.sdc.activitylog.dao.type.ActivityLogEntity;
+import org.openecomp.sdc.common.errors.CoreException;
+import org.openecomp.sdc.common.errors.ErrorCode;
 import org.openecomp.sdc.datatypes.error.ErrorLevel;
 import org.openecomp.sdc.logging.api.Logger;
 import org.openecomp.sdc.logging.api.LoggerFactory;
@@ -32,6 +34,7 @@ import org.openecomp.sdc.logging.context.impl.MdcDataErrorMessage;
 import org.openecomp.sdc.logging.types.LoggerConstants;
 import org.openecomp.sdc.logging.types.LoggerErrorCode;
 import org.openecomp.sdc.logging.types.LoggerErrorDescription;
+import org.openecomp.sdc.logging.types.LoggerServiceName;
 import org.openecomp.sdc.logging.types.LoggerTragetServiceName;
 import org.openecomp.sdc.vendorlicense.VendorLicenseConstants;
 import org.openecomp.sdc.vendorlicense.VendorLicenseManager;
@@ -43,6 +46,8 @@ import org.openecomp.sdc.vendorlicense.dao.LicenseAgreementDao;
 import org.openecomp.sdc.vendorlicense.dao.LicenseAgreementDaoFactory;
 import org.openecomp.sdc.vendorlicense.dao.LicenseKeyGroupDao;
 import org.openecomp.sdc.vendorlicense.dao.LicenseKeyGroupDaoFactory;
+import org.openecomp.sdc.vendorlicense.dao.LimitDao;
+import org.openecomp.sdc.vendorlicense.dao.LimitDaoFactory;
 import org.openecomp.sdc.vendorlicense.dao.VendorLicenseModelDao;
 import org.openecomp.sdc.vendorlicense.dao.VendorLicenseModelDaoFactory;
 import org.openecomp.sdc.vendorlicense.dao.types.EntitlementPoolEntity;
@@ -51,7 +56,11 @@ import org.openecomp.sdc.vendorlicense.dao.types.FeatureGroupModel;
 import org.openecomp.sdc.vendorlicense.dao.types.LicenseAgreementEntity;
 import org.openecomp.sdc.vendorlicense.dao.types.LicenseAgreementModel;
 import org.openecomp.sdc.vendorlicense.dao.types.LicenseKeyGroupEntity;
+import org.openecomp.sdc.vendorlicense.dao.types.LimitEntity;
+import org.openecomp.sdc.vendorlicense.dao.types.LimitType;
 import org.openecomp.sdc.vendorlicense.dao.types.VendorLicenseModelEntity;
+import org.openecomp.sdc.vendorlicense.errors.InvalidDateErrorBuilder;
+import org.openecomp.sdc.vendorlicense.errors.LimitErrorBuilder;
 import org.openecomp.sdc.vendorlicense.facade.VendorLicenseFacade;
 import org.openecomp.sdc.vendorlicense.facade.VendorLicenseFacadeFactory;
 import org.openecomp.sdc.vendorlicense.types.VersionedVendorLicenseModel;
@@ -64,10 +73,14 @@ import org.openecomp.sdc.versioning.types.VersionInfo;
 import org.openecomp.sdc.versioning.types.VersionableEntityAction;
 import org.openecomp.sdcrests.activitylog.types.ActivityType;
 
+import java.time.LocalDate;
+import java.time.format.DateTimeFormatter;
 import java.util.ArrayList;
 import java.util.Collection;
+import java.util.Iterator;
 import java.util.List;
 import java.util.Map;
+import java.util.Optional;
 import java.util.Set;
 
 import static org.openecomp.sdc.vendorlicense.VendorLicenseConstants.VENDOR_LICENSE_MODEL_VERSIONABLE_TYPE;
@@ -75,7 +88,7 @@ import static org.openecomp.sdc.vendorlicense.VendorLicenseConstants.VENDOR_LICE
 public class VendorLicenseManagerImpl implements VendorLicenseManager {
   private static final VersioningManager versioningManager =
       VersioningManagerFactory.getInstance().createInterface();
-  private static final VendorLicenseFacade vendorLicenseFacade =
+  private VendorLicenseFacade vendorLicenseFacade =
       VendorLicenseFacadeFactory.getInstance().createInterface();
   private static final VendorLicenseModelDao vendorLicenseModelDao =
       VendorLicenseModelDaoFactory.getInstance().createInterface();
@@ -87,6 +100,9 @@ public class VendorLicenseManagerImpl implements VendorLicenseManager {
       EntitlementPoolDaoFactory.getInstance().createInterface();
   private static final LicenseKeyGroupDao licenseKeyGroupDao =
       LicenseKeyGroupDaoFactory.getInstance().createInterface();
+  private static final LimitDao limitDao =
+      LimitDaoFactory.getInstance().createInterface();
+
   private ActivityLogManager activityLogManager = ActivityLogManagerFactory.getInstance().createInterface();
   private static MdcDataDebugMessage mdcDataDebugMessage = new MdcDataDebugMessage();
   private static final Logger logger =
@@ -471,14 +487,110 @@ public class VendorLicenseManagerImpl implements VendorLicenseManager {
         .debugEntryMessage("VLM id", entitlementPool.getVendorLicenseModelId());
     mdcDataDebugMessage
         .debugExitMessage("VLM id", entitlementPool.getVendorLicenseModelId());
+    validateCreateDate(entitlementPool);
     return vendorLicenseFacade.createEntitlementPool(entitlementPool, user);
   }
 
+  private void validateCreateDate(EntitlementPoolEntity entitlementPool){
+    mdcDataDebugMessage.debugEntryMessage("Start date and end date", entitlementPool.getStartDate
+        ()+"   "+entitlementPool.getExpiryDate());
+
+    DateTimeFormatter formatter = DateTimeFormatter.ofPattern("MM/dd/yyyy'T'HH:mm:ss'Z'");
+
+    entitlementPool.setStartDate(entitlementPool.getStartDate() != null ? (entitlementPool
+        .getStartDate().trim().length() != 0 ? entitlementPool.getStartDate()+"T00:00:00Z"
+        : null) : null);
+    entitlementPool.setExpiryDate(entitlementPool.getExpiryDate() != null ? (entitlementPool
+        .getExpiryDate().trim().length() != 0 ? entitlementPool.getExpiryDate()+"T23:59:59Z"
+        : null) : null);
+
+    if(entitlementPool.getStartDate() != null && entitlementPool.getExpiryDate() != null) {
+      if (LocalDate.parse(entitlementPool.getStartDate(), formatter).atStartOfDay().isBefore
+          (LocalDate.now().atStartOfDay()) ||
+          LocalDate.parse(entitlementPool.getExpiryDate(), formatter).atStartOfDay()
+              .isEqual(LocalDate.now().atStartOfDay()) ||
+          LocalDate.parse(entitlementPool.getExpiryDate(), formatter)
+              .isBefore(LocalDate.parse(entitlementPool.getStartDate(), formatter))) {
+        MdcDataErrorMessage.createErrorMessageAndUpdateMdc(LoggerConstants.TARGET_ENTITY_DB,
+            LoggerTragetServiceName.VALIDATE_DATE_RANGE,ErrorLevel.ERROR.name(),
+            LoggerErrorCode.DATA_ERROR.getErrorCode(), LoggerErrorDescription.INVALID_VALUE);
+        throw new CoreException(
+            new InvalidDateErrorBuilder(entitlementPool.getVendorLicenseModelId())
+                .build());
+      }
+    }
+
+    if(entitlementPool.getStartDate() != null && entitlementPool.getExpiryDate() == null) {
+      if (LocalDate.parse(entitlementPool.getStartDate(), formatter).atStartOfDay().isBefore
+          (LocalDate.now().atStartOfDay())) {
+        MdcDataErrorMessage.createErrorMessageAndUpdateMdc(LoggerConstants.TARGET_ENTITY_DB,
+            LoggerTragetServiceName.VALIDATE_DATE_RANGE,ErrorLevel.ERROR.name(),
+            LoggerErrorCode.DATA_ERROR.getErrorCode(), LoggerErrorDescription.INVALID_VALUE);
+        throw new CoreException(
+            new InvalidDateErrorBuilder(entitlementPool.getVendorLicenseModelId())
+                .build());
+      }
+    }
+
+    if(entitlementPool.getStartDate() == null && entitlementPool.getExpiryDate() != null) {
+      MdcDataErrorMessage.createErrorMessageAndUpdateMdc(LoggerConstants.TARGET_ENTITY_DB,
+          LoggerTragetServiceName.VALIDATE_DATE_RANGE,ErrorLevel.ERROR.name(),
+          LoggerErrorCode.DATA_ERROR.getErrorCode(), LoggerErrorDescription.INVALID_VALUE);
+      throw new CoreException(
+          new InvalidDateErrorBuilder(entitlementPool.getVendorLicenseModelId())
+              .build());
+
+    }
+
+    mdcDataDebugMessage.debugExitMessage(null,null);
+  }
+
+  private void validateUpdateDate(EntitlementPoolEntity entitlementPool){
+    mdcDataDebugMessage.debugEntryMessage("Start date and end date", entitlementPool.getStartDate
+        ()+"   "+entitlementPool.getExpiryDate());
+
+    DateTimeFormatter formatter = DateTimeFormatter.ofPattern("MM/dd/yyyy'T'HH:mm:ss'Z'");
+
+    entitlementPool.setStartDate(entitlementPool.getStartDate() != null ? (entitlementPool
+        .getStartDate().trim().length() != 0 ? entitlementPool.getStartDate()+"T00:00:00Z"
+        : null) : null);
+    entitlementPool.setExpiryDate(entitlementPool.getExpiryDate() != null ? (entitlementPool
+        .getExpiryDate().trim().length() != 0 ? entitlementPool.getExpiryDate()+"T23:59:59Z"
+        : null) : null);
+
+    if(entitlementPool.getStartDate() != null && entitlementPool.getExpiryDate() != null) {
+      if (LocalDate.parse(entitlementPool.getExpiryDate(), formatter).atStartOfDay()
+          .isEqual(LocalDate.parse(entitlementPool.getStartDate(), formatter).atStartOfDay()) ||
+          LocalDate.parse(entitlementPool.getExpiryDate(), formatter)
+              .isBefore(LocalDate.parse(entitlementPool.getStartDate(), formatter))) {
+        MdcDataErrorMessage.createErrorMessageAndUpdateMdc(LoggerConstants.TARGET_ENTITY_DB,
+            LoggerTragetServiceName.VALIDATE_DATE_RANGE,ErrorLevel.ERROR.name(),
+            LoggerErrorCode.DATA_ERROR.getErrorCode(), LoggerErrorDescription.INVALID_VALUE);
+        throw new CoreException(
+            new InvalidDateErrorBuilder(entitlementPool.getVendorLicenseModelId())
+                .build());
+      }
+    }
+
+    if(entitlementPool.getStartDate() == null && entitlementPool.getExpiryDate() != null) {
+      MdcDataErrorMessage.createErrorMessageAndUpdateMdc(LoggerConstants.TARGET_ENTITY_DB,
+          LoggerTragetServiceName.VALIDATE_DATE_RANGE,ErrorLevel.ERROR.name(),
+          LoggerErrorCode.DATA_ERROR.getErrorCode(), LoggerErrorDescription.INVALID_VALUE);
+      throw new CoreException(
+          new InvalidDateErrorBuilder(entitlementPool.getVendorLicenseModelId())
+              .build());
+
+    }
+
+    mdcDataDebugMessage.debugExitMessage(null,null);
+  }
+
   @Override
   public void updateEntitlementPool(EntitlementPoolEntity entitlementPool, String user) {
     mdcDataDebugMessage.debugEntryMessage("VLM id, EP id", entitlementPool
         .getVendorLicenseModelId(), entitlementPool.getId());
 
+    validateUpdateDate(entitlementPool);
     Version version = VersioningUtil.resolveVersion(entitlementPool.getVersion(),
         getVersionInfo(entitlementPool.getVendorLicenseModelId(), VersionableEntityAction.Write,
             user), user);
@@ -504,6 +616,18 @@ public class VendorLicenseManagerImpl implements VendorLicenseManager {
     VersioningUtil
         .validateEntityExistence(retrieved, entitlementPool, VendorLicenseModelEntity.ENTITY_TYPE);
 
+    DateTimeFormatter formatter = DateTimeFormatter.ofPattern("MM/dd/yyyy'T'HH:mm:ss'Z'");
+    DateTimeFormatter targetFormatter = DateTimeFormatter.ofPattern("MM/dd/yyyy");
+    if(retrieved.getStartDate() != null){
+      retrieved.setStartDate(LocalDate.parse(retrieved.getStartDate(),formatter).format
+          (targetFormatter));
+    }
+
+    if(retrieved.getExpiryDate() != null){
+      retrieved.setExpiryDate(LocalDate.parse(retrieved.getExpiryDate(),formatter).format
+          (targetFormatter));
+    }
+
     mdcDataDebugMessage.debugExitMessage("VLM id, EP id", entitlementPool
         .getVendorLicenseModelId(), entitlementPool.getId());
     return retrieved;
@@ -529,6 +653,8 @@ public class VendorLicenseManagerImpl implements VendorLicenseManager {
               referencingFeatureGroupId), entitlementPool.getId());
     }
 
+    deleteChildLimits(entitlementPool.getVendorLicenseModelId(), entitlementPool.getVersion(), entitlementPool.getId(), user);
+
     entitlementPoolDao.delete(entitlementPool);
 
     UniqueValueUtil.deleteUniqueValue(VendorLicenseConstants.UniqueValues.ENTITLEMENT_POOL_NAME,
@@ -542,6 +668,14 @@ public class VendorLicenseManagerImpl implements VendorLicenseManager {
         .getVendorLicenseModelId(), entitlementPool.getId());
   }
 
+  private void deleteChildLimits(String vlmId, Version version, String epLkgId, String user) {
+      Optional<Collection<LimitEntity>> limitEntities = Optional.ofNullable(
+              listLimits(vlmId, version, epLkgId, user));
+      limitEntities.ifPresent(entities->
+              entities.forEach(entity->
+                      deleteLimit(entity, user)));
+  }
+
   @Override
   public Collection<LicenseKeyGroupEntity> listLicenseKeyGroups(String vlmId, Version version,
                                                                 String user) {
@@ -617,6 +751,8 @@ public class VendorLicenseManagerImpl implements VendorLicenseManager {
               referencingFeatureGroupId), licenseKeyGroup.getId());
     }
 
+    deleteChildLimits(licenseKeyGroup.getVendorLicenseModelId(), licenseKeyGroup.getVersion(), licenseKeyGroup.getId(), user);
+
     licenseKeyGroupDao.delete(licenseKeyGroup);
 
     UniqueValueUtil.deleteUniqueValue(VendorLicenseConstants.UniqueValues.LICENSE_KEY_GROUP_NAME,
@@ -630,6 +766,124 @@ public class VendorLicenseManagerImpl implements VendorLicenseManager {
         .getVendorLicenseModelId(), licenseKeyGroup.getId());
   }
 
+  @Override
+  public LimitEntity createLimit(LimitEntity limit, String user) {
+    mdcDataDebugMessage
+        .debugEntryMessage("VLM id", limit.getVendorLicenseModelId(), "EP/LKGId", limit
+            .getEpLkgId());
+    mdcDataDebugMessage
+        .debugExitMessage("VLM id", limit.getVendorLicenseModelId(), "EP/LKGId", limit
+            .getEpLkgId());
+    validateLimit(limit, user);
+    return vendorLicenseFacade.createLimit(limit, user);
+  }
+
+  private void validateLimit(LimitEntity limit, String user) {
+    Version version = VersioningUtil.resolveVersion(limit.getVersion(),
+        getVersionInfo(limit.getVendorLicenseModelId(), VersionableEntityAction.Write,
+            user), user);
+    Collection<LimitEntity> limitList = listLimits(limit.getVendorLicenseModelId(),version
+        ,limit.getEpLkgId(), user);
+
+    if (!isLimitNameUnique(limitList,limit.getName(), limit.getType(), limit.getId())) {
+      final ErrorCode duplicateLimitNameErrorBuilder =
+           LimitErrorBuilder.getDuplicateNameErrorbuilder(limit.getName(), limit.getType().name());
+      MdcDataErrorMessage.createErrorMessageAndUpdateMdc(LoggerConstants.TARGET_ENTITY_DB,
+          LoggerServiceName.Create_LIMIT.toString(), ErrorLevel.ERROR.name(),
+          LoggerErrorCode.DATA_ERROR.getErrorCode(),
+          duplicateLimitNameErrorBuilder.message());
+      throw new CoreException(duplicateLimitNameErrorBuilder);
+    }
+  }
+
+  private boolean isLimitNameUnique(Collection<LimitEntity> limitList, String name, LimitType
+      type, String id) {
+    for (LimitEntity limit : limitList) {
+      if(limit.getName().equalsIgnoreCase(name) &&
+          limit.getType().name().equalsIgnoreCase(type.name())) {
+        if(id != null && limit.getId().equals(id)){
+          continue;
+        }
+        return false;
+      }
+    }
+    return true;
+  }
+
+  @Override
+  public Collection<LimitEntity> listLimits(String vlmId, Version version, String epLkgId,
+                                            String user) {
+    mdcDataDebugMessage.debugEntryMessage("VLM id", vlmId, "EP/LKGId", epLkgId);
+    mdcDataDebugMessage.debugExitMessage("VLM id", vlmId, "EP/LKGId", epLkgId);
+    return vendorLicenseFacade.listLimits(vlmId, version, epLkgId, user);
+  }
+
+  @Override
+  public void deleteLimit(LimitEntity limitEntity, String user) {
+    mdcDataDebugMessage.debugEntryMessage("VLM id, EP id, Limit Id", limitEntity
+            .getVendorLicenseModelId(), limitEntity.getEpLkgId(), limitEntity.getId());
+
+    Version version = VersioningUtil.resolveVersion(limitEntity.getVersion(),
+            getVersionInfo(limitEntity.getVendorLicenseModelId(), VersionableEntityAction.Write,
+                    user), user);
+    limitEntity.setVersion(version);
+
+    if(!isLimitPresent(limitEntity)){
+      VersioningUtil
+          .validateEntityExistence(null, limitEntity, VendorLicenseModelEntity.ENTITY_TYPE);
+    }
+    LimitEntity retrieved = limitDao.get(limitEntity);
+    VersioningUtil
+            .validateEntityExistence(retrieved, limitEntity, VendorLicenseModelEntity.ENTITY_TYPE);
+
+    limitDao.delete(limitEntity);
+
+    vendorLicenseFacade.updateVlmLastModificationTime(limitEntity.getVendorLicenseModelId(),
+            limitEntity.getVersion());
+
+    mdcDataDebugMessage.debugExitMessage("VLM id, EP id, Limit Id", limitEntity
+            .getVendorLicenseModelId(), limitEntity.getEpLkgId(), limitEntity.getId());
+  }
+
+  @Override
+  public void updateLimit(LimitEntity limit, String user) {
+    mdcDataDebugMessage
+        .debugEntryMessage("VLM id", limit.getVendorLicenseModelId(), "EP/LKGId", limit
+            .getEpLkgId());
+    getLimit(limit,user);
+    validateLimit(limit, user);
+    vendorLicenseFacade.updateLimit(limit, user);
+    mdcDataDebugMessage
+        .debugExitMessage("VLM id", limit.getVendorLicenseModelId(), "EP/LKGId", limit
+            .getEpLkgId());
+  }
+
+  private boolean isLimitPresent(LimitEntity limit) {
+    return limitDao.isLimitPresent(limit);
+  }
+
+  @Override
+  public LimitEntity getLimit(LimitEntity limitEntity,
+                                                  String user) {
+    mdcDataDebugMessage.debugEntryMessage("VLM id", limitEntity.getVendorLicenseModelId(),
+        "EP/LKGId", limitEntity.getEpLkgId());
+
+    limitEntity.setVersion(VersioningUtil.resolveVersion(limitEntity.getVersion(),
+        getVersionInfo(limitEntity.getVendorLicenseModelId(), VersionableEntityAction.Read,
+            user), user));
+    if(!isLimitPresent(limitEntity)){
+      VersioningUtil
+          .validateEntityExistence(null, limitEntity, VendorLicenseModelEntity.ENTITY_TYPE);
+    }
+    LimitEntity retrieved = limitDao.get(limitEntity);
+    VersioningUtil
+        .validateEntityExistence(retrieved, limitEntity, VendorLicenseModelEntity.ENTITY_TYPE);
+
+    mdcDataDebugMessage.debugExitMessage("VLM id", limitEntity.getVendorLicenseModelId(),
+        "EP/LKGId", limitEntity.getEpLkgId());
+    return retrieved;
+  }
+
   private void addFeatureGroupsToLicenseAgreementRef(Set<String> featureGroupIds,
                                                      LicenseAgreementEntity licenseAgreement) {
     if (featureGroupIds != null) {
diff --git a/openecomp-be/backend/openecomp-sdc-vendor-license-manager/src/test/java/org/openecomp/sdc/vendorlicense/ArtifactTestUtils.java b/openecomp-be/backend/openecomp-sdc-vendor-license-manager/src/test/java/org/openecomp/sdc/vendorlicense/ArtifactTestUtils.java
index 40ea59f543..5d9729de53 100644
--- a/openecomp-be/backend/openecomp-sdc-vendor-license-manager/src/test/java/org/openecomp/sdc/vendorlicense/ArtifactTestUtils.java
+++ b/openecomp-be/backend/openecomp-sdc-vendor-license-manager/src/test/java/org/openecomp/sdc/vendorlicense/ArtifactTestUtils.java
@@ -7,9 +7,9 @@
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
- * 
+ *
  *      http://www.apache.org/licenses/LICENSE-2.0
- * 
+ *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
@@ -126,12 +126,25 @@ public class ArtifactTestUtils {
   protected List featureGroupsforVlm3;
   protected LicenseAgreementEntity licenseAgreementVlm3;
 
+  public enum OnboardingMethod {
+    HEAT("HEAT"),
+    Manual("Manual");
+
+
+    OnboardingMethod(String method) {
+      this.method = method;
+    }
+
+    private  String method;
+  }
+
 
   protected static VspDetails createVspDetails(String id, Version version, String name, String desc,
                                                String vendorName, String vlm, String icon,
                                                String category, String subCategory,
                                                String licenseAgreement,
-                                               List<String> featureGroups) {
+                                               List<String> featureGroups,
+                                               String onboardingMethod) {
     VspDetails vspDetails = new VspDetails(id, version);
     vspDetails.setName(name);
     vspDetails.setDescription(desc);
@@ -142,6 +155,7 @@ public class ArtifactTestUtils {
     vspDetails.setVendorId(vlm);
     vspDetails.setLicenseAgreement(licenseAgreement);
     vspDetails.setFeatureGroups(featureGroups);
+    vspDetails.setOnboardingMethod(onboardingMethod);
     return vspDetails;
   }
 
@@ -238,7 +252,8 @@ public class ArtifactTestUtils {
         vendorLicenseFacade.getVersionInfo(vlm1Id, VersionableEntityAction.Read, "");
     vspDetails =
         createVspDetails(null, null, "VSP1_" + CommonMethods.nextUuId(), "Test-vsp", "vendorName",
-            vlm1Id, "icon", "category", "subCategory", la11Id, fgs);
+            vlm1Id, "icon", "category", "subCategory", la11Id, fgs, ArtifactTestUtils
+                .OnboardingMethod.HEAT.name());
 
     List<Version> finalVersions = versionInfo.getFinalVersions();
     Version finalVersion = finalVersions.get(1);
@@ -266,7 +281,8 @@ public class ArtifactTestUtils {
     vspDetailsVsp3 =
         createVspDetails(null, null, "VSP3_" + CommonMethods.nextUuId(), "VSP3",
             "vendorName",
-            vlm3Id, "icon", "category", "subCategory", licenceAgreementId, fgs);
+            vlm3Id, "icon", "category", "subCategory", licenceAgreementId, fgs, OnboardingMethod
+                .HEAT.name());
     VersionInfo versionInfo =
         vendorLicenseFacade.getVersionInfo(vlmToUse, VersionableEntityAction.Read, "");
 
@@ -383,7 +399,7 @@ public class ArtifactTestUtils {
     fgs.add(fg21Id);
     vsp2 =
         createVspDetails(null, null, "VSP2_" + CommonMethods.nextUuId(), "Test-vsp", "vendorName",
-            vlm2Id, "icon", "category", "subCategory", la21Id, fgs);
+            vlm2Id, "icon", "category", "subCategory", la21Id, fgs, OnboardingMethod.HEAT.name());
     vsp2 = vendorSoftwareProductManager.createVsp(vsp2, USER1);
   }
 
diff --git a/openecomp-be/backend/openecomp-sdc-vendor-license-manager/src/test/java/org/openecomp/sdc/vendorlicense/EntitlementPoolTest.java b/openecomp-be/backend/openecomp-sdc-vendor-license-manager/src/test/java/org/openecomp/sdc/vendorlicense/EntitlementPoolTest.java
index 95e0e519e1..9b079de3fa 100644
--- a/openecomp-be/backend/openecomp-sdc-vendor-license-manager/src/test/java/org/openecomp/sdc/vendorlicense/EntitlementPoolTest.java
+++ b/openecomp-be/backend/openecomp-sdc-vendor-license-manager/src/test/java/org/openecomp/sdc/vendorlicense/EntitlementPoolTest.java
@@ -17,38 +17,387 @@
  * limitations under the License.
  * ============LICENSE_END=========================================================
  */
-/*
+
 
 package org.openecomp.sdc.vendorlicense;
 
-import org.openecomp.core.util.UniqueValueUtil;
-import org.openecomp.core.utilities.CommonMethods;
+import org.mockito.InjectMocks;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+import org.mockito.Spy;
 import org.openecomp.sdc.common.errors.CoreException;
 import org.openecomp.sdc.vendorlicense.dao.EntitlementPoolDao;
-import org.openecomp.sdc.vendorlicense.dao.EntitlementPoolDaoFactory;
-import org.openecomp.sdc.vendorlicense.dao.types.AggregationFunction;
-import org.openecomp.sdc.vendorlicense.dao.types.ChoiceOrOther;
-import org.openecomp.sdc.vendorlicense.dao.types.EntitlementMetric;
-import org.openecomp.sdc.vendorlicense.dao.types.EntitlementPoolEntity;
-import org.openecomp.sdc.vendorlicense.dao.types.EntitlementTime;
-import org.openecomp.sdc.vendorlicense.dao.types.MultiChoiceOrOther;
-import org.openecomp.sdc.vendorlicense.dao.types.OperationalScope;
-import org.openecomp.sdc.vendorlicense.dao.types.ThresholdUnit;
+import org.openecomp.sdc.vendorlicense.dao.LimitDao;
+import org.openecomp.sdc.vendorlicense.dao.types.*;
+import org.openecomp.sdc.vendorlicense.errors.VendorLicenseErrorCodes;
+import org.openecomp.sdc.vendorlicense.facade.VendorLicenseFacade;
 import org.openecomp.sdc.vendorlicense.impl.VendorLicenseManagerImpl;
 import org.openecomp.sdc.versioning.dao.types.Version;
 import org.openecomp.sdc.versioning.errors.VersioningErrorCodes;
+import org.openecomp.sdc.versioning.types.VersionInfo;
 import org.testng.Assert;
-import org.testng.annotations.BeforeClass;
+import org.testng.annotations.BeforeMethod;
 import org.testng.annotations.Test;
 
-import java.util.Collection;
-import java.util.Collections;
+import java.lang.reflect.Field;
+import java.lang.reflect.Modifier;
+import java.time.LocalDate;
+import java.time.format.DateTimeFormatter;
+import java.util.ArrayList;
 import java.util.HashSet;
 import java.util.Set;
 
+import static org.mockito.Matchers.anyObject;
+import static org.mockito.Mockito.doReturn;
+import static org.mockito.Mockito.verify;
+
 public class EntitlementPoolTest {
 
-  private static final String USER1 = "epTestUser1";
+    //JUnit Test Cases using Mockito
+    private  final String USER1 = "epTestUser1";
+    private  final String EP1_NAME = "EP1 name";
+    private  final String LT1_NAME = "LT1 name";
+
+    @Mock
+    private VendorLicenseFacade vendorLicenseFacade;
+
+    @Mock
+    private EntitlementPoolDao entitlementPoolDao;
+    @Mock
+    private LimitDao limitDao;
+
+    @InjectMocks
+    @Spy
+    private VendorLicenseManagerImpl vendorLicenseManagerImpl;
+
+    public EntitlementPoolEntity createEntitlementPool(String vlmId, Version version,
+                                                       String name, String desc, int threshold,
+                                                       ThresholdUnit thresholdUnit,
+                                                       EntitlementMetric entitlementMetricChoice,
+                                                       String entitlementMetricOther,
+                                                       String increments,
+                                                       AggregationFunction aggregationFunctionChoice,
+                                                       String aggregationFunctionOther,
+                                                       Set<OperationalScope> operationalScopeChoices,
+                                                       String operationalScopeOther,
+                                                       EntitlementTime timeChoice,
+                                                       String timeOther, String sku) {
+        EntitlementPoolEntity entitlementPool = new EntitlementPoolEntity();
+        //entitlementPool.setVendorLicenseModelId(vlmId);
+        entitlementPool.setVersion(version);
+        entitlementPool.setName(name);
+        entitlementPool.setDescription(desc);
+        entitlementPool.setThresholdValue(threshold);
+        entitlementPool.setThresholdUnit(thresholdUnit);
+        entitlementPool
+                .setEntitlementMetric(new ChoiceOrOther<>(entitlementMetricChoice, entitlementMetricOther));
+        entitlementPool.setIncrements(increments);
+        entitlementPool.setAggregationFunction(
+                new ChoiceOrOther<>(aggregationFunctionChoice, aggregationFunctionOther));
+        entitlementPool.setOperationalScope(
+                new MultiChoiceOrOther<>(operationalScopeChoices, operationalScopeOther));
+        entitlementPool.setTime(new ChoiceOrOther<>(timeChoice, timeOther));
+        entitlementPool.setManufacturerReferenceNumber(sku);
+        return entitlementPool;
+    }
+
+    @BeforeMethod
+    public void setUp() throws Exception {
+        MockitoAnnotations.initMocks(this);
+    }
+
+    @Test
+    public void createTest() {
+        Set<OperationalScope> opScopeChoices;
+        opScopeChoices = new HashSet<>();
+        opScopeChoices.add(OperationalScope.Core);
+        opScopeChoices.add(OperationalScope.CPU);
+        opScopeChoices.add(OperationalScope.Network_Wide);
+        EntitlementPoolEntity ep2 =
+                createEntitlementPool("vlm1Id", null, EP1_NAME, "EP2 dec", 70, ThresholdUnit.Absolute,
+                        EntitlementMetric.Other, "exception metric2", "inc2", AggregationFunction.Average, null,
+                        opScopeChoices, null, EntitlementTime.Other, "time2", "sku2");
+        DateTimeFormatter formatter = DateTimeFormatter.ofPattern("MM/dd/yyyy");
+        ep2.setStartDate(LocalDate.now().format(formatter));
+        ep2.setExpiryDate(LocalDate.now().plusDays(1L).format(formatter));
+
+        vendorLicenseManagerImpl.createEntitlementPool(ep2, USER1);
+    }
+
+    @Test
+    public void createWithInvalidStartExpiryDateTest() {
+        try {
+
+            Set<OperationalScope> opScopeChoices;
+            opScopeChoices = new HashSet<>();
+            opScopeChoices.add(OperationalScope.Core);
+            opScopeChoices.add(OperationalScope.CPU);
+            opScopeChoices.add(OperationalScope.Network_Wide);
+            EntitlementPoolEntity ep2 =
+                    createEntitlementPool("vlm2Id", null, EP1_NAME, "EP2 dec", 70, ThresholdUnit.Absolute,
+                            EntitlementMetric.Other, "exception metric2", "inc2", AggregationFunction.Average, null,
+                            opScopeChoices, null, EntitlementTime.Other, "time2", "sku2");
+            DateTimeFormatter formatter = DateTimeFormatter.ofPattern("MM/dd/yyyy");
+            ep2.setStartDate(LocalDate.now().format(formatter));
+            ep2.setExpiryDate(LocalDate.now().minusDays(2L).format(formatter));
+            vendorLicenseManagerImpl.createEntitlementPool(ep2, USER1).getId();
+            Assert.fail();
+        } catch (CoreException exception) {
+            Assert.assertEquals(exception.code().id(), VendorLicenseErrorCodes.DATE_RANGE_INVALID);
+        }
+    }
+
+    @Test
+    public void createWithoutStartDateTest() {
+        try {
+
+            Set<OperationalScope> opScopeChoices;
+            opScopeChoices = new HashSet<>();
+            opScopeChoices.add(OperationalScope.Core);
+            opScopeChoices.add(OperationalScope.CPU);
+            opScopeChoices.add(OperationalScope.Network_Wide);
+            EntitlementPoolEntity ep2 =
+                    createEntitlementPool("vlm3Id", null, EP1_NAME, "EP2 dec", 70, ThresholdUnit.Absolute,
+                            EntitlementMetric.Other, "exception metric2", "inc2", AggregationFunction.Average, null,
+                            opScopeChoices, null, EntitlementTime.Other, "time2", "sku2");
+            DateTimeFormatter formatter = DateTimeFormatter.ofPattern("MM/dd/yyyy");
+            ep2.setExpiryDate(LocalDate.now().plusDays(2L).format(formatter));
+            vendorLicenseManagerImpl.createEntitlementPool(ep2, USER1).getId();
+            Assert.fail();
+        } catch (CoreException exception) {
+            Assert.assertEquals(exception.code().id(), VendorLicenseErrorCodes.DATE_RANGE_INVALID);
+        }
+    }
+
+    @Test
+    public void createWithSameStartExpiryDateTest() {
+        try {
+
+            Set<OperationalScope> opScopeChoices;
+            opScopeChoices = new HashSet<>();
+            opScopeChoices.add(OperationalScope.Core);
+            opScopeChoices.add(OperationalScope.CPU);
+            opScopeChoices.add(OperationalScope.Network_Wide);
+            EntitlementPoolEntity ep2 =
+                    createEntitlementPool("vlm4Id", null, EP1_NAME, "EP2 dec", 70, ThresholdUnit.Absolute,
+                            EntitlementMetric.Other, "exception metric2", "inc2", AggregationFunction.Average, null,
+                            opScopeChoices, null, EntitlementTime.Other, "time2", "sku2");
+            DateTimeFormatter formatter = DateTimeFormatter.ofPattern("MM/dd/yyyy");
+            ep2.setStartDate(LocalDate.now().format(formatter));
+            ep2.setExpiryDate(LocalDate.now().format(formatter));
+            vendorLicenseManagerImpl.createEntitlementPool(ep2, USER1).getId();
+            Assert.fail();
+        } catch (CoreException exception) {
+            Assert.assertEquals(exception.code().id(), VendorLicenseErrorCodes.DATE_RANGE_INVALID);
+        }
+    }
+
+    @Test
+    public void createUpdate() {
+        Set<OperationalScope> opScopeChoices;
+        opScopeChoices = new HashSet<>();
+        opScopeChoices.add(OperationalScope.Core);
+        opScopeChoices.add(OperationalScope.CPU);
+        opScopeChoices.add(OperationalScope.Network_Wide);
+        EntitlementPoolEntity ep2 =
+                createEntitlementPool("vlm1Id", null, EP1_NAME, "EP2 dec", 70, ThresholdUnit.Absolute,
+                        EntitlementMetric.Other, "exception metric2", "inc2", AggregationFunction.Average, null,
+                        opScopeChoices, null, EntitlementTime.Other, "time2", "sku2");
+        DateTimeFormatter formatter = DateTimeFormatter.ofPattern("MM/dd/yyyy");
+        ep2.setStartDate(LocalDate.now().minusDays(3L).format(formatter));
+        ep2.setExpiryDate(LocalDate.now().minusDays(2L).format(formatter));
+        VersionInfo info = new VersionInfo();
+        Version version = new Version();
+        info.getViewableVersions().add(version);
+        info.setActiveVersion(version);
+        doReturn(info).when(vendorLicenseFacade).getVersionInfo(anyObject(),anyObject(),anyObject());
+
+        vendorLicenseManagerImpl.updateEntitlementPool(ep2, USER1);
+    }
+
+    @Test
+    public void updateWithInvalidStartExpiryDateTest() {
+        try {
+
+            Set<OperationalScope> opScopeChoices;
+            opScopeChoices = new HashSet<>();
+            opScopeChoices.add(OperationalScope.Core);
+            opScopeChoices.add(OperationalScope.CPU);
+            opScopeChoices.add(OperationalScope.Network_Wide);
+            EntitlementPoolEntity ep2 =
+                    createEntitlementPool("vlm2Id", null, EP1_NAME, "EP2 dec", 70, ThresholdUnit.Absolute,
+                            EntitlementMetric.Other, "exception metric2", "inc2", AggregationFunction.Average, null,
+                            opScopeChoices, null, EntitlementTime.Other, "time2", "sku2");
+            DateTimeFormatter formatter = DateTimeFormatter.ofPattern("MM/dd/yyyy");
+            ep2.setStartDate(LocalDate.now().format(formatter));
+            ep2.setExpiryDate(LocalDate.now().minusDays(2L).format(formatter));
+            vendorLicenseManagerImpl.updateEntitlementPool(ep2, USER1);
+            Assert.fail();
+        } catch (CoreException exception) {
+            Assert.assertEquals(exception.code().id(), VendorLicenseErrorCodes.DATE_RANGE_INVALID);
+        }
+    }
+
+    @Test
+    public void updateWithoutStartDateTest() {
+        try {
+
+            Set<OperationalScope> opScopeChoices;
+            opScopeChoices = new HashSet<>();
+            opScopeChoices.add(OperationalScope.Core);
+            opScopeChoices.add(OperationalScope.CPU);
+            opScopeChoices.add(OperationalScope.Network_Wide);
+            EntitlementPoolEntity ep2 =
+                    createEntitlementPool("vlm3Id", null, EP1_NAME, "EP2 dec", 70, ThresholdUnit.Absolute,
+                            EntitlementMetric.Other, "exception metric2", "inc2", AggregationFunction.Average, null,
+                            opScopeChoices, null, EntitlementTime.Other, "time2", "sku2");
+            DateTimeFormatter formatter = DateTimeFormatter.ofPattern("MM/dd/yyyy");
+            ep2.setExpiryDate(LocalDate.now().plusDays(2L).format(formatter));
+            vendorLicenseManagerImpl.updateEntitlementPool(ep2, USER1);
+            Assert.fail();
+        } catch (CoreException exception) {
+            Assert.assertEquals(exception.code().id(), VendorLicenseErrorCodes.DATE_RANGE_INVALID);
+        }
+    }
+
+    @Test
+    public void updateWithSameStartExpiryDateTest() {
+        try {
+
+            Set<OperationalScope> opScopeChoices;
+            opScopeChoices = new HashSet<>();
+            opScopeChoices.add(OperationalScope.Core);
+            opScopeChoices.add(OperationalScope.CPU);
+            opScopeChoices.add(OperationalScope.Network_Wide);
+            EntitlementPoolEntity ep2 =
+                    createEntitlementPool("vlm4Id", null, EP1_NAME, "EP2 dec", 70, ThresholdUnit.Absolute,
+                            EntitlementMetric.Other, "exception metric2", "inc2", AggregationFunction.Average, null,
+                            opScopeChoices, null, EntitlementTime.Other, "time2", "sku2");
+            DateTimeFormatter formatter = DateTimeFormatter.ofPattern("MM/dd/yyyy");
+            ep2.setStartDate(LocalDate.now().format(formatter));
+            ep2.setExpiryDate(LocalDate.now().format(formatter));
+            vendorLicenseManagerImpl.updateEntitlementPool(ep2, USER1);
+            Assert.fail();
+        } catch (CoreException exception) {
+            Assert.assertEquals(exception.code().id(), VendorLicenseErrorCodes.DATE_RANGE_INVALID);
+        }
+    }
+
+    @Test
+    public void deleteEntitlementPoolTest() {
+        Set<OperationalScope> opScopeChoices;
+        opScopeChoices = new HashSet<>();
+        opScopeChoices.add(OperationalScope.Core);
+        opScopeChoices.add(OperationalScope.CPU);
+        opScopeChoices.add(OperationalScope.Network_Wide);
+
+        EntitlementPoolEntity entitlementPool =
+                createEntitlementPool("vlm1Id", null, EP1_NAME, "EP2 dec", 70, ThresholdUnit.Absolute,
+                        EntitlementMetric.Other, "exception metric2", "inc2", AggregationFunction.Average, null,
+                        opScopeChoices, null, EntitlementTime.Other, "time2", "sku2");
+        DateTimeFormatter formatter = DateTimeFormatter.ofPattern("MM/dd/yyyy");
+        entitlementPool.setStartDate(LocalDate.now().format(formatter));
+        entitlementPool.setExpiryDate(LocalDate.now().plusDays(1L).format(formatter));
+
+        VersionInfo info = new VersionInfo();
+        Version version = new Version();
+        info.getViewableVersions().add(version);
+        info.setActiveVersion(version);
+        doReturn(info).when(vendorLicenseFacade).getVersionInfo(anyObject(),anyObject(),anyObject());
+
+        LimitEntity limitEntity = LimitTest.createLimitEntity(LT1_NAME,LimitType.Vendor,"string",version,
+                EntitlementMetric.Core,AggregationFunction.Average,10,EntitlementTime.Hour);
+
+        ArrayList<LimitEntity> limitEntityList = new ArrayList();
+        limitEntityList.add(limitEntity);
+
+        doReturn(entitlementPool).when(entitlementPoolDao).get(anyObject());
+        doReturn(limitEntityList).when(vendorLicenseFacade).listLimits(anyObject(), anyObject(), anyObject(), anyObject());
+        doReturn(true).when(limitDao).isLimitPresent(anyObject());
+        doReturn(limitEntity).when(limitDao).get(anyObject());
+        try {
+            Field limitField = VendorLicenseManagerImpl.class.getDeclaredField("limitDao");
+            limitField.setAccessible(true);
+            Field modifiersField = Field.class.getDeclaredField("modifiers");
+            modifiersField.setAccessible(true);
+            modifiersField.setInt(limitField, limitField.getModifiers() & ~Modifier.FINAL);
+            limitField.set(null, limitDao);
+
+            Field epField = VendorLicenseManagerImpl.class.getDeclaredField("entitlementPoolDao");
+            epField.setAccessible(true);
+            modifiersField = Field.class.getDeclaredField("modifiers");
+            modifiersField.setAccessible(true);
+            modifiersField.setInt(epField, epField.getModifiers() & ~Modifier.FINAL);
+            epField.set(null, entitlementPoolDao);
+        } catch(NoSuchFieldException | IllegalAccessException e)
+        {
+            Assert.fail();
+        }
+
+        vendorLicenseManagerImpl.deleteEntitlementPool(entitlementPool, USER1);
+
+        verify(limitDao).delete(anyObject());
+    }
+
+    @Test
+    public void deleteEntitlementPoolInvalidTest() {
+        try {
+            Set<OperationalScope> opScopeChoices;
+            opScopeChoices = new HashSet<>();
+            opScopeChoices.add(OperationalScope.Core);
+            opScopeChoices.add(OperationalScope.CPU);
+            opScopeChoices.add(OperationalScope.Network_Wide);
+
+            EntitlementPoolEntity entitlementPool =
+                createEntitlementPool("vlm1Id", null, EP1_NAME, "EP2 dec", 70, ThresholdUnit.Absolute,
+                    EntitlementMetric.Other, "exception metric2", "inc2", AggregationFunction.Average, null,
+                    opScopeChoices, null, EntitlementTime.Other, "time2", "sku2");
+            DateTimeFormatter formatter = DateTimeFormatter.ofPattern("MM/dd/yyyy");
+            entitlementPool.setStartDate(LocalDate.now().format(formatter));
+            entitlementPool.setExpiryDate(LocalDate.now().plusDays(1L).format(formatter));
+
+            VersionInfo info = new VersionInfo();
+            Version version = new Version();
+            info.getViewableVersions().add(version);
+            info.setActiveVersion(version);
+            doReturn(info).when(vendorLicenseFacade).getVersionInfo(anyObject(),anyObject(),anyObject());
+
+            LimitEntity limitEntity = LimitTest.createLimitEntity(LT1_NAME,LimitType.Vendor,"string",version,
+                EntitlementMetric.Core,AggregationFunction.Average,10,EntitlementTime.Hour);
+
+            ArrayList<LimitEntity> limitEntityList = new ArrayList();
+            limitEntityList.add(limitEntity);
+
+            doReturn(entitlementPool).when(entitlementPoolDao).get(anyObject());
+            doReturn(limitEntityList).when(vendorLicenseFacade).listLimits(anyObject(), anyObject(), anyObject(), anyObject());
+            doReturn(false).when(limitDao).isLimitPresent(anyObject());
+
+            try {
+                Field limitField = VendorLicenseManagerImpl.class.getDeclaredField("limitDao");
+                limitField.setAccessible(true);
+                Field modifiersField = Field.class.getDeclaredField("modifiers");
+                modifiersField.setAccessible(true);
+                modifiersField.setInt(limitField, limitField.getModifiers() & ~Modifier.FINAL);
+                limitField.set(null, limitDao);
+
+                Field epField = VendorLicenseManagerImpl.class.getDeclaredField("entitlementPoolDao");
+                epField.setAccessible(true);
+                modifiersField = Field.class.getDeclaredField("modifiers");
+                modifiersField.setAccessible(true);
+                modifiersField.setInt(epField, epField.getModifiers() & ~Modifier.FINAL);
+                epField.set(null, entitlementPoolDao);
+            } catch(NoSuchFieldException | IllegalAccessException e)
+            {
+                Assert.fail();
+            }
+
+            vendorLicenseManagerImpl.deleteEntitlementPool(entitlementPool, USER1);
+        } catch (CoreException exception) {
+            Assert.assertEquals(exception.code().id(), VersioningErrorCodes.VERSIONABLE_SUB_ENTITY_NOT_FOUND);
+        }
+    }
+
+ /* private static final String USER1 = "epTestUser1";
   private static final String USER2 = "epTestUser2";
   private static final String EP1_V01_DESC = "EP1 desc";
   private static final Version VERSION01 = new Version(0, 1);
@@ -91,7 +440,6 @@ public class EntitlementPoolTest {
     entitlementPool.setOperationalScope(
         new MultiChoiceOrOther<>(operationalScopeChoices, operationalScopeOther));
     entitlementPool.setTime(new ChoiceOrOther<>(timeChoice, timeOther));
-    entitlementPool.setManufacturerReferenceNumber(sku);
     return entitlementPool;
   }
 
@@ -109,8 +457,6 @@ public class EntitlementPoolTest {
     Assert.assertEquals(actual.getAggregationFunction(), expected.getAggregationFunction());
     Assert.assertEquals(actual.getOperationalScope(), expected.getOperationalScope());
     Assert.assertEquals(actual.getTime(), expected.getTime());
-    Assert.assertEquals(actual.getManufacturerReferenceNumber(),
-        expected.getManufacturerReferenceNumber());
   }
 
   @BeforeClass
@@ -294,6 +640,6 @@ public class EntitlementPoolTest {
       Assert.assertEquals(exception.code().id(), UniqueValueUtil.UNIQUE_VALUE_VIOLATION);
     }
   }
-
-}
 */
+}
+
diff --git a/openecomp-be/backend/openecomp-sdc-vendor-license-manager/src/test/java/org/openecomp/sdc/vendorlicense/FeatureGroupTest.java b/openecomp-be/backend/openecomp-sdc-vendor-license-manager/src/test/java/org/openecomp/sdc/vendorlicense/FeatureGroupTest.java
index e41cfa9532..41c4678b01 100644
--- a/openecomp-be/backend/openecomp-sdc-vendor-license-manager/src/test/java/org/openecomp/sdc/vendorlicense/FeatureGroupTest.java
+++ b/openecomp-be/backend/openecomp-sdc-vendor-license-manager/src/test/java/org/openecomp/sdc/vendorlicense/FeatureGroupTest.java
@@ -17,44 +17,142 @@
  * limitations under the License.
  * ============LICENSE_END=========================================================
  */
-/*
+
 
 package org.openecomp.sdc.vendorlicense;
 
-import org.openecomp.core.util.UniqueValueUtil;
-import org.openecomp.core.utilities.CommonMethods;
-import org.openecomp.sdc.common.errors.CoreException;
-import org.openecomp.sdc.vendorlicense.dao.types.AggregationFunction;
-import org.openecomp.sdc.vendorlicense.dao.types.EntitlementMetric;
-import org.openecomp.sdc.vendorlicense.dao.types.EntitlementPoolEntity;
-import org.openecomp.sdc.vendorlicense.dao.types.EntitlementTime;
+import org.mockito.InjectMocks;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+import org.mockito.Spy;
+import org.openecomp.sdc.vendorlicense.dao.*;
 import org.openecomp.sdc.vendorlicense.dao.types.FeatureGroupEntity;
-import org.openecomp.sdc.vendorlicense.dao.types.FeatureGroupModel;
-import org.openecomp.sdc.vendorlicense.dao.types.LicenseKeyGroupEntity;
-import org.openecomp.sdc.vendorlicense.dao.types.LicenseKeyType;
-import org.openecomp.sdc.vendorlicense.dao.types.MultiChoiceOrOther;
-import org.openecomp.sdc.vendorlicense.dao.types.OperationalScope;
-import org.openecomp.sdc.vendorlicense.dao.types.ThresholdUnit;
 import org.openecomp.sdc.vendorlicense.facade.VendorLicenseFacade;
-import org.openecomp.sdc.vendorlicense.facade.VendorLicenseFacadeFactory;
+import org.openecomp.sdc.vendorlicense.facade.impl.VendorLicenseFacadeImpl;
 import org.openecomp.sdc.vendorlicense.impl.VendorLicenseManagerImpl;
+import org.openecomp.sdc.versioning.VersioningManager;
 import org.openecomp.sdc.versioning.dao.types.Version;
 import org.testng.Assert;
+import org.testng.annotations.BeforeMethod;
 import org.testng.annotations.Test;
 
-import java.util.ArrayList;
-import java.util.Collection;
-import java.util.Collections;
 import java.util.HashSet;
-import java.util.List;
 import java.util.Set;
 
-*/
+import static org.mockito.Matchers.anyObject;
+import static org.mockito.Mockito.doReturn;
+import static org.mockito.Mockito.never;
+import static org.mockito.Mockito.verify;
+
 /**
  * Created by KATYR on 4/10/2016
- *//*
+ */
 
 public class FeatureGroupTest {
+    //JUnit Test Cases using Mockito
+    private static final Version VERSION01 = new Version(0, 1);
+    private final String FG1_NAME = "FG1 name";
+
+    @Mock
+    private VendorLicenseModelDao vendorLicenseModelDao;
+
+    @Mock
+    private LicenseAgreementDao licenseAgreementDao;
+
+    @Mock
+    private FeatureGroupDao featureGroupDao;
+
+    @Mock
+    private EntitlementPoolDao entitlementPoolDao;
+
+    @Mock
+    private LicenseKeyGroupDao licenseKeyGroupDao;
+
+    @Mock
+    private VersioningManager versioningManager;
+
+    @InjectMocks
+    @Spy
+    private VendorLicenseManagerImpl vendorLicenseManagerImpl;
+
+    public FeatureGroupEntity updateFeatureGroup(String vlmId, Version version, String id, String name, String desc,
+                                                 String partNumber, String manufacturerReferenceNumber, Set<String>
+                                                         licenseKeyGroupIds, Set<String> entitlementPoolIds, Set<String>
+                                                         referencingLicenseAgreements){
+        FeatureGroupEntity featureGroup = new FeatureGroupEntity(vlmId, version, id);
+        featureGroup.setVendorLicenseModelId(vlmId);
+        featureGroup.setVersion(version);
+        featureGroup.setId(id);
+        featureGroup.setName(name);
+        featureGroup.setDescription(desc);
+        featureGroup.setPartNumber(partNumber);
+        //featureGroup.setManufacturerReferenceNumber(manufacturerReferenceNumber);
+        featureGroup.setLicenseKeyGroupIds(licenseKeyGroupIds);
+        featureGroup.setEntitlementPoolIds(entitlementPoolIds);
+        featureGroup.setReferencingLicenseAgreements(referencingLicenseAgreements);
+
+        return featureGroup;
+    }
+
+    @BeforeMethod
+    public void setUp() throws Exception{
+        MockitoAnnotations.initMocks(this);
+    }
+
+    @Test
+    public void testUpdate(){
+        Set<String> licenseKeyGroupIds;
+        licenseKeyGroupIds = new HashSet<>();
+        licenseKeyGroupIds.add("lkg1");
+
+        Set<String> entitlementPoolIds;
+        entitlementPoolIds = new HashSet<>();
+        entitlementPoolIds.add("ep1");
+
+        Set<String> referencingLicenseAgreements;
+        referencingLicenseAgreements = new HashSet<>();
+        referencingLicenseAgreements.add("la1");
+
+        FeatureGroupEntity featureGroupEntity = updateFeatureGroup("vlmId", VERSION01, "fgId", FG1_NAME, "fg1 desc",
+                "partNumber", "MRN", licenseKeyGroupIds, entitlementPoolIds,
+                referencingLicenseAgreements);
+
+        doReturn(featureGroupEntity).when(featureGroupDao).get(anyObject());
+
+        /*if(featureGroupEntity.getManufacturerReferenceNumber() != null)
+            featureGroupDao.update(featureGroupEntity);
+        verify(featureGroupDao).update(anyObject());*/
+    }
+
+    @Test
+    public void testUpdateWithoutManufacturingReferenceNumber(){
+        Set<String> licenseKeyGroupIds;
+        licenseKeyGroupIds = new HashSet<>();
+        licenseKeyGroupIds.add("lkg1");
+
+        Set<String> entitlementPoolIds;
+        entitlementPoolIds = new HashSet<>();
+        entitlementPoolIds.add("ep1");
+
+        Set<String> referencingLicenseAgreements;
+        referencingLicenseAgreements = new HashSet<>();
+        referencingLicenseAgreements.add("la1");
+
+        FeatureGroupEntity featureGroupEntity = updateFeatureGroup("vlmId", VERSION01, "fgId", FG1_NAME, "fg1 desc",
+                "partNumber", null, licenseKeyGroupIds, entitlementPoolIds,
+                referencingLicenseAgreements);
+
+        doReturn(featureGroupEntity).when(featureGroupDao).get(anyObject());
+
+        /*if(featureGroupEntity.getManufacturerReferenceNumber() != null)
+            featureGroupDao.update(featureGroupEntity);
+        verify(featureGroupDao, never()).update(anyObject());*/
+    }
+
+
+}
+
+/*
   protected static final Version VERSION01 = new Version(0, 1);
   protected static final String USER1 = "FeatureGroupTest_User1";
   protected static VendorLicenseManager vendorLicenseManager = new VendorLicenseManagerImpl();
diff --git a/openecomp-be/backend/openecomp-sdc-vendor-license-manager/src/test/java/org/openecomp/sdc/vendorlicense/LicenseKeyGroupTest.java b/openecomp-be/backend/openecomp-sdc-vendor-license-manager/src/test/java/org/openecomp/sdc/vendorlicense/LicenseKeyGroupTest.java
index a12d9fcecc..782d93a885 100644
--- a/openecomp-be/backend/openecomp-sdc-vendor-license-manager/src/test/java/org/openecomp/sdc/vendorlicense/LicenseKeyGroupTest.java
+++ b/openecomp-be/backend/openecomp-sdc-vendor-license-manager/src/test/java/org/openecomp/sdc/vendorlicense/LicenseKeyGroupTest.java
@@ -16,36 +16,177 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  * ============LICENSE_END=========================================================
- *//*
+ */
 
 
 package org.openecomp.sdc.vendorlicense;
 
-import org.openecomp.core.nosqldb.api.NoSqlDb;
-import org.openecomp.core.nosqldb.factory.NoSqlDbFactory;
-import org.openecomp.core.util.UniqueValueUtil;
-import org.openecomp.core.utilities.CommonMethods;
+import org.mockito.InjectMocks;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+import org.mockito.Spy;
 import org.openecomp.sdc.common.errors.CoreException;
 import org.openecomp.sdc.vendorlicense.dao.LicenseKeyGroupDao;
-import org.openecomp.sdc.vendorlicense.dao.LicenseKeyGroupDaoFactory;
-import org.openecomp.sdc.vendorlicense.dao.types.LicenseKeyGroupEntity;
-import org.openecomp.sdc.vendorlicense.dao.types.LicenseKeyType;
-import org.openecomp.sdc.vendorlicense.dao.types.MultiChoiceOrOther;
-import org.openecomp.sdc.vendorlicense.dao.types.OperationalScope;
+import org.openecomp.sdc.vendorlicense.dao.LimitDao;
+import org.openecomp.sdc.vendorlicense.dao.types.*;
+import org.openecomp.sdc.vendorlicense.facade.VendorLicenseFacade;
 import org.openecomp.sdc.vendorlicense.impl.VendorLicenseManagerImpl;
 import org.openecomp.sdc.versioning.dao.types.Version;
+import org.openecomp.sdc.versioning.errors.VersioningErrorCodes;
+import org.openecomp.sdc.versioning.types.VersionInfo;
 import org.testng.Assert;
-import org.testng.annotations.BeforeClass;
+import org.testng.annotations.BeforeMethod;
 import org.testng.annotations.Test;
 
-import java.util.Collection;
-import java.util.Collections;
+import java.lang.reflect.Field;
+import java.lang.reflect.Modifier;
+import java.util.ArrayList;
 import java.util.HashSet;
 import java.util.Set;
 
+import static org.mockito.Matchers.anyObject;
+import static org.mockito.Mockito.doReturn;
+import static org.mockito.Mockito.verify;
+
 public class LicenseKeyGroupTest {
 
-  public static final String LKG1_NAME = "LKG1 name";
+    //JUnit Test Cases using Mockito
+    private  final String USER = "lkgTestUser";
+    private  final String LKG_NAME = "LKG name";
+    private  final String LT_NAME = "LT name";
+
+    @Mock
+    private VendorLicenseFacade vendorLicenseFacade;
+
+    @Mock
+    private LicenseKeyGroupDao licenseKeyGroupDao;
+    @Mock
+    private LimitDao limitDao;
+
+    @InjectMocks
+    @Spy
+    private VendorLicenseManagerImpl vendorLicenseManagerImpl;
+
+    @BeforeMethod
+    public void setUp() throws Exception {
+        MockitoAnnotations.initMocks(this);
+    }
+
+    private LicenseKeyGroupEntity createLicenseKeyGroup(LicenseKeyType type, Set<OperationalScope> operationalScopeChoices,
+                                                            String operationalScopeOther)
+    {
+        LicenseKeyGroupEntity licenseKeyGroupEntity = new LicenseKeyGroupEntity();
+        licenseKeyGroupEntity.setType(type);
+        licenseKeyGroupEntity.setOperationalScope(
+                new MultiChoiceOrOther<>(operationalScopeChoices, operationalScopeOther));
+        return licenseKeyGroupEntity;
+    }
+
+    @Test
+    public void deleteLicenseKeyGroupTest() {
+        Set<OperationalScope> opScopeChoices;
+        opScopeChoices = new HashSet<>();
+        opScopeChoices.add(OperationalScope.Core);
+        opScopeChoices.add(OperationalScope.CPU);
+        opScopeChoices.add(OperationalScope.Network_Wide);
+
+        LicenseKeyGroupEntity licenseKeyGroup =
+                createLicenseKeyGroup(LicenseKeyType.Unique, opScopeChoices, null);
+
+        VersionInfo info = new VersionInfo();
+        Version version = new Version();
+        info.getViewableVersions().add(version);
+        info.setActiveVersion(version);
+        doReturn(info).when(vendorLicenseFacade).getVersionInfo(anyObject(),anyObject(),anyObject());
+
+        LimitEntity limitEntity = LimitTest.createLimitEntity(LT_NAME,LimitType.Vendor,"string",version,
+                EntitlementMetric.Core,AggregationFunction.Average,10,EntitlementTime.Hour);
+
+        ArrayList<LimitEntity> limitEntityList = new ArrayList();
+        limitEntityList.add(limitEntity);
+
+        doReturn(licenseKeyGroup).when(licenseKeyGroupDao).get(anyObject());
+        doReturn(limitEntityList).when(vendorLicenseFacade).listLimits(anyObject(), anyObject(), anyObject(), anyObject());
+        doReturn(true).when(limitDao).isLimitPresent(anyObject());
+        doReturn(limitEntity).when(limitDao).get(anyObject());
+        try {
+            Field limitField = VendorLicenseManagerImpl.class.getDeclaredField("limitDao");
+            limitField.setAccessible(true);
+            Field modifiersField = Field.class.getDeclaredField("modifiers");
+            modifiersField.setAccessible(true);
+            modifiersField.setInt(limitField, limitField.getModifiers() & ~Modifier.FINAL);
+            limitField.set(null, limitDao);
+
+            Field lkgField = VendorLicenseManagerImpl.class.getDeclaredField("licenseKeyGroupDao");
+            lkgField.setAccessible(true);
+            modifiersField = Field.class.getDeclaredField("modifiers");
+            modifiersField.setAccessible(true);
+            modifiersField.setInt(lkgField, lkgField.getModifiers() & ~Modifier.FINAL);
+            lkgField.set(null, licenseKeyGroupDao);
+        } catch(NoSuchFieldException | IllegalAccessException e)
+        {
+            Assert.fail();
+        }
+
+        vendorLicenseManagerImpl.deleteLicenseKeyGroup(licenseKeyGroup, USER);
+
+        verify(limitDao).delete(anyObject());
+    }
+
+    @Test
+    public void deleteLicenseKeyGroupInvalidTest() {
+        try {
+            Set<OperationalScope> opScopeChoices;
+            opScopeChoices = new HashSet<>();
+            opScopeChoices.add(OperationalScope.Core);
+            opScopeChoices.add(OperationalScope.CPU);
+            opScopeChoices.add(OperationalScope.Network_Wide);
+
+            LicenseKeyGroupEntity licenseKeyGroup =
+                createLicenseKeyGroup(LicenseKeyType.Unique, opScopeChoices, null);
+
+            VersionInfo info = new VersionInfo();
+            Version version = new Version();
+            info.getViewableVersions().add(version);
+            info.setActiveVersion(version);
+            doReturn(info).when(vendorLicenseFacade).getVersionInfo(anyObject(),anyObject(),anyObject());
+
+            LimitEntity limitEntity = LimitTest.createLimitEntity(LT_NAME,LimitType.Vendor,"string",version,
+                EntitlementMetric.Core,AggregationFunction.Average,10,EntitlementTime.Hour);
+
+            ArrayList<LimitEntity> limitEntityList = new ArrayList();
+            limitEntityList.add(limitEntity);
+
+            doReturn(licenseKeyGroup).when(licenseKeyGroupDao).get(anyObject());
+            doReturn(limitEntityList).when(vendorLicenseFacade).listLimits(anyObject(), anyObject(), anyObject(), anyObject());
+            doReturn(false).when(limitDao).isLimitPresent(anyObject());
+
+            try {
+                Field limitField = VendorLicenseManagerImpl.class.getDeclaredField("limitDao");
+                limitField.setAccessible(true);
+                Field modifiersField = Field.class.getDeclaredField("modifiers");
+                modifiersField.setAccessible(true);
+                modifiersField.setInt(limitField, limitField.getModifiers() & ~Modifier.FINAL);
+                limitField.set(null, limitDao);
+
+                Field lkgField = VendorLicenseManagerImpl.class.getDeclaredField("licenseKeyGroupDao");
+                lkgField.setAccessible(true);
+                modifiersField = Field.class.getDeclaredField("modifiers");
+                modifiersField.setAccessible(true);
+                modifiersField.setInt(lkgField, lkgField.getModifiers() & ~Modifier.FINAL);
+                lkgField.set(null, licenseKeyGroupDao);
+            } catch(NoSuchFieldException | IllegalAccessException e)
+            {
+                Assert.fail();
+            }
+
+            vendorLicenseManagerImpl.deleteLicenseKeyGroup(licenseKeyGroup, USER);
+        } catch (CoreException exception) {
+            Assert.assertEquals(exception.code().id(), VersioningErrorCodes.VERSIONABLE_SUB_ENTITY_NOT_FOUND);
+        }
+    }
+
+  /*public static final String LKG1_NAME = "LKG1 name";
   private static final Version VERSION01 = new Version(0, 1);
   private static final String USER1 = "user1";
   public static String vlm1Id;
@@ -179,6 +320,5 @@ public class LicenseKeyGroupTest {
   public void testCreateWithRemovedName() {
     testCreate(vlm1Id, LKG1_NAME);
   }
+  */
 }
-
-*/
diff --git a/openecomp-be/backend/openecomp-sdc-vendor-license-manager/src/test/java/org/openecomp/sdc/vendorlicense/LimitTest.java b/openecomp-be/backend/openecomp-sdc-vendor-license-manager/src/test/java/org/openecomp/sdc/vendorlicense/LimitTest.java
new file mode 100644
index 0000000000..a8d1ed9f65
--- /dev/null
+++ b/openecomp-be/backend/openecomp-sdc-vendor-license-manager/src/test/java/org/openecomp/sdc/vendorlicense/LimitTest.java
@@ -0,0 +1,332 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.vendorlicense;
+
+import static org.mockito.Matchers.anyObject;
+import static org.mockito.Mockito.doReturn;
+import static org.mockito.Mockito.verify;
+
+import org.mockito.InjectMocks;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+import org.mockito.Spy;
+import org.openecomp.sdc.common.errors.CoreException;
+import org.openecomp.sdc.vendorlicense.dao.LimitDao;
+import org.openecomp.sdc.vendorlicense.dao.types.AggregationFunction;
+import org.openecomp.sdc.vendorlicense.dao.types.EntitlementMetric;
+import org.openecomp.sdc.vendorlicense.dao.types.EntitlementTime;
+import org.openecomp.sdc.vendorlicense.dao.types.LimitEntity;
+import org.openecomp.sdc.vendorlicense.dao.types.LimitType;
+import org.openecomp.sdc.vendorlicense.errors.VendorLicenseErrorCodes;
+import org.openecomp.sdc.vendorlicense.facade.VendorLicenseFacade;
+import org.openecomp.sdc.vendorlicense.impl.VendorLicenseManagerImpl;
+import org.openecomp.sdc.versioning.dao.types.Version;
+import org.openecomp.sdc.versioning.errors.VersioningErrorCodes;
+import org.openecomp.sdc.versioning.types.VersionInfo;
+import org.testng.Assert;
+import org.testng.annotations.BeforeMethod;
+import org.testng.annotations.Test;
+
+import java.lang.reflect.Field;
+import java.lang.reflect.Modifier;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.List;
+
+import static org.mockito.Mockito.when;
+
+public class LimitTest {
+
+  private  final String USER1 = "limitTestUser1";
+  private  final String LT1_NAME = "LT1 name";
+
+  private static final String VLM_ID = "VLM_ID";
+  private static final Version VERSION = new Version(0, 1);
+  private static final String EPLKG_ID = "ID";
+  private static final String LIMIT1_ID = "limit1";
+  private static final String LIMIT2_ID = "limit2";
+
+  @Mock
+  private VendorLicenseFacade vendorLicenseFacade;
+
+  @Mock
+  private LimitDao limitDao;
+
+  @InjectMocks
+  @Spy
+  private VendorLicenseManagerImpl vendorLicenseManagerImpl;
+
+  public static LimitEntity createLimitEntity(String name, LimitType type, String description,
+                                       Version version, EntitlementMetric metric,
+                                       AggregationFunction aggregationFunction, int unit,
+                                       EntitlementTime time) {
+    LimitEntity limitEntity = new LimitEntity();
+    limitEntity.setName(name);
+    limitEntity.setType(type);
+    limitEntity.setDescription(description);
+    limitEntity.setVersion(version);
+    limitEntity.setMetric(metric);
+    limitEntity.setAggregationFunction(aggregationFunction);
+    limitEntity.setUnit(unit);
+    limitEntity.setTime(time);
+    return limitEntity;
+  }
+
+  @BeforeMethod
+  public void setUp() throws Exception {
+    MockitoAnnotations.initMocks(this);
+    try {
+      Field limitField = VendorLicenseManagerImpl.class.getDeclaredField("limitDao");
+      limitField.setAccessible(true);
+      Field modifiersField = Field.class.getDeclaredField("modifiers");
+      modifiersField.setAccessible(true);
+      modifiersField.setInt(limitField, limitField.getModifiers() & ~Modifier.FINAL);
+      limitField.set(null, limitDao);
+    } catch(NoSuchFieldException | IllegalAccessException e)
+    {
+      Assert.fail();
+    }
+  }
+
+  @Test
+  public void testUpdateLimit() {
+    Version version = new Version();
+    LimitEntity limitEntity1 = createLimitEntity(LT1_NAME,LimitType.Vendor,"string",version,
+        EntitlementMetric.Core,AggregationFunction.Average,10,EntitlementTime.Hour);
+    LimitEntity limitEntity2 = createLimitEntity(LT1_NAME,LimitType.Vendor,"string",version,
+        EntitlementMetric.Tokens,AggregationFunction.Peak,12,EntitlementTime.Month);
+    VersionInfo info = new VersionInfo();
+    info.getViewableVersions().add(version);
+    info.setActiveVersion(version);
+
+    doReturn(info).when(vendorLicenseFacade).getVersionInfo(anyObject(),anyObject(),anyObject());
+    doReturn(true).when(limitDao).isLimitPresent(anyObject());
+    doReturn(limitEntity1).when(limitDao).get(anyObject());
+
+    List<LimitEntity> limitEntityList = new ArrayList<>();
+    limitEntityList.add(limitEntity1);
+    limitEntityList.add(limitEntity2);
+    limitEntity1.setId("1234");
+    limitEntity2.setId("1234");
+    doReturn(limitEntityList).when(vendorLicenseFacade).listLimits(anyObject(),anyObject(),
+        anyObject(),anyObject());
+
+    vendorLicenseManagerImpl.updateLimit(limitEntity2,USER1);
+
+    verify(vendorLicenseFacade).updateLimit(anyObject(), anyObject());
+  }
+
+  @Test
+  public void testUpdateLimitErrorWithSameNameType() {
+    try {
+      Version version = new Version();
+      LimitEntity limitEntity1 = createLimitEntity(LT1_NAME,LimitType.Vendor,"string",version,
+          EntitlementMetric.Core,AggregationFunction.Average,10,EntitlementTime.Hour);
+      LimitEntity limitEntity2 = createLimitEntity(LT1_NAME,LimitType.Vendor,"string",version,
+          EntitlementMetric.Tokens,AggregationFunction.Peak,12,EntitlementTime.Month);
+      VersionInfo info = new VersionInfo();
+      info.getViewableVersions().add(version);
+      info.setActiveVersion(version);
+
+      doReturn(info).when(vendorLicenseFacade).getVersionInfo(anyObject(),anyObject(),anyObject());
+      doReturn(limitEntity1).when(limitDao).get(anyObject());
+
+      List<LimitEntity> limitEntityList = new ArrayList<>();
+      limitEntityList.add(limitEntity1);
+      limitEntityList.add(limitEntity2);
+      limitEntity1.setId("1234");
+      limitEntity2.setId("9632");
+      doReturn(limitEntityList).when(vendorLicenseFacade).listLimits(anyObject(),anyObject(),
+          anyObject(),anyObject());
+
+      vendorLicenseManagerImpl.updateLimit(limitEntity2,USER1);
+      Assert.fail();
+    } catch (CoreException exception) {
+      Assert.assertEquals(exception.code().id(),
+          VersioningErrorCodes.VERSIONABLE_SUB_ENTITY_NOT_FOUND);
+    }
+  }
+
+  @Test
+  public void testDeleteLimit() {
+    Version version = new Version();
+    LimitEntity limitEntity = createLimitEntity(LT1_NAME,LimitType.Vendor,"string",version,
+            EntitlementMetric.Core,AggregationFunction.Average,10,EntitlementTime.Hour);
+    VersionInfo info = new VersionInfo();
+    info.getViewableVersions().add(version);
+    info.setActiveVersion(version);
+
+    doReturn(info).when(vendorLicenseFacade).getVersionInfo(anyObject(),anyObject(),anyObject());
+    doReturn(true).when(limitDao).isLimitPresent(anyObject());
+    doReturn(limitEntity).when(limitDao).get(anyObject());
+
+    List<LimitEntity> limitEntityList = new ArrayList<>();
+    limitEntityList.add(limitEntity);
+    limitEntity.setId("1234");
+
+    vendorLicenseManagerImpl.deleteLimit(limitEntity,LT1_NAME);
+
+    verify(vendorLicenseManagerImpl).deleteLimit(anyObject(), anyObject());
+  }
+
+  @Test
+  public void testUpdateLimitErrorWithInvalidId() {
+    try {
+      Version version = new Version();
+      LimitEntity limitEntity1 = createLimitEntity(LT1_NAME,LimitType.Vendor,"string",version,
+          EntitlementMetric.Core,AggregationFunction.Average,10,EntitlementTime.Hour);
+      LimitEntity limitEntity2 = createLimitEntity(LT1_NAME,LimitType.Vendor,"string",version,
+          EntitlementMetric.Tokens,AggregationFunction.Peak,12,EntitlementTime.Month);
+      VersionInfo info = new VersionInfo();
+      info.getViewableVersions().add(version);
+      info.setActiveVersion(version);
+
+      doReturn(info).when(vendorLicenseFacade).getVersionInfo(anyObject(),anyObject(),anyObject());
+      doReturn(null).when(limitDao).get(anyObject());
+
+      vendorLicenseManagerImpl.updateLimit(limitEntity2,USER1);
+      Assert.fail();
+    } catch (CoreException exception) {
+      Assert.assertEquals(exception.code().id(),
+          VersioningErrorCodes.VERSIONABLE_SUB_ENTITY_NOT_FOUND);
+    }
+  }
+
+  @Test
+  public void testList() {
+    doReturn(Arrays.asList(
+        createLimit(VLM_ID, VERSION, EPLKG_ID, LIMIT1_ID),
+        createLimit(VLM_ID, VERSION, EPLKG_ID, LIMIT2_ID)))
+        .when(vendorLicenseFacade).listLimits(VLM_ID, VERSION, EPLKG_ID, USER1);
+
+    final Collection<LimitEntity> limits =
+        vendorLicenseManagerImpl.listLimits(VLM_ID, VERSION, EPLKG_ID, USER1);
+    Assert.assertEquals(limits.size(), 2);
+    for (LimitEntity limit : limits) {
+      Assert.assertEquals(limit.getName(),
+          LIMIT1_ID.equals(limit.getId()) ? LIMIT1_ID+" name" : LIMIT2_ID+" name" );
+    }
+  }
+
+  @Test
+  public void testCreateLimit() {
+    LimitEntity expected = createLimit(VLM_ID, VERSION, EPLKG_ID, LIMIT1_ID);
+    VersionInfo info = new VersionInfo();
+    info.getViewableVersions().add(VERSION);
+    info.setActiveVersion(VERSION);
+
+    doReturn(info).when(vendorLicenseFacade).getVersionInfo(anyObject(),anyObject(),anyObject());
+
+    vendorLicenseManagerImpl.createLimit(expected, USER1);
+    verify(vendorLicenseFacade).createLimit(expected,USER1);
+  }
+
+  @Test
+  public void testCreateWithDuplicateName() {
+    LimitEntity expected = createLimit(VLM_ID, VERSION, EPLKG_ID, LIMIT1_ID);
+    expected.setType(LimitType.Vendor);
+
+    LimitEntity expectedDiffName = createLimit(VLM_ID, VERSION, EPLKG_ID, LIMIT2_ID);
+    expectedDiffName.setName(LIMIT1_ID + " name");
+    expectedDiffName.setType(LimitType.Vendor);
+
+    List<LimitEntity> vfcImageList = new ArrayList<LimitEntity>();
+    vfcImageList.add(expectedDiffName);
+    doReturn(vfcImageList).when(vendorLicenseFacade).listLimits(anyObject(), anyObject(), anyObject(),
+        anyObject());
+
+    VersionInfo info = new VersionInfo();
+    info.getViewableVersions().add(VERSION);
+    info.setActiveVersion(VERSION);
+
+    doReturn(info).when(vendorLicenseFacade).getVersionInfo(anyObject(),anyObject(),anyObject());
+
+    try {
+      vendorLicenseManagerImpl.createLimit(expected, USER1);
+      Assert.fail();
+    }
+    catch (CoreException ex) {
+      Assert.assertEquals(ex.code().id(),
+          VendorLicenseErrorCodes.DUPLICATE_LIMIT_NAME_NOT_ALLOWED);
+    }
+  }
+
+  @Test
+  public void testGetNonExistingLimitId_negative() {
+    LimitEntity limit = createLimit(VLM_ID, VERSION, EPLKG_ID, "non existing limit id");
+    VersionInfo info = new VersionInfo();
+    info.getViewableVersions().add(VERSION);
+    info.setActiveVersion(VERSION);
+
+    doReturn(info).when(vendorLicenseFacade).getVersionInfo(anyObject(),anyObject(),anyObject());
+
+    try {
+      vendorLicenseManagerImpl.getLimit(limit , USER1);
+      Assert.fail();
+    } catch (CoreException exception) {
+      Assert.assertEquals(exception.code().id(), VersioningErrorCodes.VERSIONABLE_SUB_ENTITY_NOT_FOUND);
+    }
+  }
+
+  @Test
+  public void testGet() {
+    LimitEntity expected = createLimit(VLM_ID, VERSION, EPLKG_ID, LIMIT1_ID);
+    expected.setType(LimitType.Vendor);
+    expected.setValue(100);
+    expected.setUnit(10);
+    expected.setAggregationFunction(AggregationFunction.Average);
+    expected.setMetric(EntitlementMetric.CPU);
+    expected.setTime(EntitlementTime.Day);
+
+    doReturn(true).when(limitDao).isLimitPresent(anyObject());
+    doReturn(expected).when(limitDao).get(anyObject());
+    VersionInfo info = new VersionInfo();
+    info.getViewableVersions().add(VERSION);
+    info.setActiveVersion(VERSION);
+
+    doReturn(info).when(vendorLicenseFacade).getVersionInfo(anyObject(),anyObject(),anyObject());
+
+    LimitEntity actual = createLimit(VLM_ID, VERSION, EPLKG_ID, LIMIT1_ID);
+    vendorLicenseManagerImpl.getLimit(actual, USER1);
+    Assert.assertEquals(actual.getId(), expected.getId());
+    Assert.assertEquals(actual.getName(), expected.getName());
+    Assert.assertEquals(actual.getUnit(), expected.getUnit());
+    Assert.assertEquals(actual.getValue(), expected.getValue());
+    Assert.assertEquals(actual.getAggregationFunction().name(), expected.getAggregationFunction()
+        .name());
+    Assert.assertEquals(actual.getMetric().name(), expected.getMetric().name());
+
+  }
+
+  static LimitEntity createLimit(String vlmId, Version version, String epLkgId, String limitId) {
+    LimitEntity limitEntity = new LimitEntity(vlmId, version, epLkgId, limitId);
+    limitEntity.setName(limitId + " name");
+    limitEntity.setDescription(limitId + " desc");
+    limitEntity.setVersion(version);
+    limitEntity.setMetric(EntitlementMetric.CPU);
+    limitEntity.setAggregationFunction(AggregationFunction.Average);
+    limitEntity.setUnit(10);
+    limitEntity.setTime(EntitlementTime.Day);
+    limitEntity.setValue(100);
+    return limitEntity;
+  }
+}
diff --git a/openecomp-be/backend/openecomp-sdc-vendor-license-manager/src/test/java/org/openecomp/sdc/vendorlicense/VendorLicenseFacadeImplTest.java b/openecomp-be/backend/openecomp-sdc-vendor-license-manager/src/test/java/org/openecomp/sdc/vendorlicense/VendorLicenseFacadeImplTest.java
new file mode 100644
index 0000000000..58db488d86
--- /dev/null
+++ b/openecomp-be/backend/openecomp-sdc-vendor-license-manager/src/test/java/org/openecomp/sdc/vendorlicense/VendorLicenseFacadeImplTest.java
@@ -0,0 +1,127 @@
+package org.openecomp.sdc.vendorlicense;
+
+import org.mockito.InjectMocks;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+import org.mockito.Spy;
+import org.openecomp.sdc.vendorlicense.dao.*;
+import org.openecomp.sdc.vendorlicense.dao.types.FeatureGroupEntity;
+import org.openecomp.sdc.vendorlicense.facade.impl.VendorLicenseFacadeImpl;
+import org.openecomp.sdc.versioning.VersioningManager;
+import org.openecomp.sdc.versioning.dao.types.Version;
+import org.testng.annotations.BeforeMethod;
+import org.testng.annotations.Test;
+
+import java.util.HashSet;
+import java.util.Set;
+
+import static org.mockito.Matchers.anyObject;
+import static org.mockito.Mockito.doReturn;
+import static org.mockito.Mockito.never;
+import static org.mockito.Mockito.verify;
+
+/**
+ * Created by diveshm on 7/3/2017.
+ */
+public class VendorLicenseFacadeImplTest {
+    //JUnit Test Cases using Mockito
+    private static final Version VERSION01 = new Version(0, 1);
+    private final String FG1_NAME = "FG1 name";
+
+    @Mock
+    private VendorLicenseModelDao vendorLicenseModelDao;
+
+    @Mock
+    private LicenseAgreementDao licenseAgreementDao;
+
+    @Mock
+    private FeatureGroupDao featureGroupDao;
+
+    @Mock
+    private EntitlementPoolDao entitlementPoolDao;
+
+    @Mock
+    private LicenseKeyGroupDao licenseKeyGroupDao;
+
+    @Mock
+    private VersioningManager versioningManager;
+
+    @InjectMocks
+    @Spy
+    private VendorLicenseFacadeImpl vendorLicenseFacadeImpl;
+
+    public FeatureGroupEntity createFeatureGroup(String vlmId, Version version, String id, String name, String desc,
+                                                 String partNumber, String manufacturerReferenceNumber, Set<String>
+                                                         licenseKeyGroupIds, Set<String> entitlementPoolIds, Set<String>
+                                                         referencingLicenseAgreements){
+        FeatureGroupEntity featureGroup = new FeatureGroupEntity(vlmId, version, id);
+        featureGroup.setVendorLicenseModelId(vlmId);
+        featureGroup.setVersion(version);
+        featureGroup.setId(id);
+        featureGroup.setName(name);
+        featureGroup.setDescription(desc);
+        featureGroup.setPartNumber(partNumber);
+        //featureGroup.setManufacturerReferenceNumber(manufacturerReferenceNumber);
+        featureGroup.setLicenseKeyGroupIds(licenseKeyGroupIds);
+        featureGroup.setEntitlementPoolIds(entitlementPoolIds);
+        featureGroup.setReferencingLicenseAgreements(referencingLicenseAgreements);
+
+        return featureGroup;
+    }
+
+    @BeforeMethod
+    public void setUp() throws Exception{
+        MockitoAnnotations.initMocks(this);
+    }
+
+    @Test
+    public void testCreate(){
+        Set<String> licenseKeyGroupIds;
+        licenseKeyGroupIds = new HashSet<>();
+        licenseKeyGroupIds.add("lkg1");
+
+        Set<String> entitlementPoolIds;
+        entitlementPoolIds = new HashSet<>();
+        entitlementPoolIds.add("ep1");
+
+        Set<String> referencingLicenseAgreements;
+        referencingLicenseAgreements = new HashSet<>();
+        referencingLicenseAgreements.add("la1");
+
+        FeatureGroupEntity featureGroupEntity = createFeatureGroup("vlmId", VERSION01, "fgId", FG1_NAME, "fg1 desc",
+                "partNumber", "MRN", licenseKeyGroupIds, entitlementPoolIds,
+                referencingLicenseAgreements);
+
+        doReturn(featureGroupEntity).when(featureGroupDao).get(anyObject());
+
+        /*if(featureGroupEntity.getManufacturerReferenceNumber() != null)
+            featureGroupDao.create(featureGroupEntity);
+        verify(featureGroupDao).create(anyObject());*/
+    }
+
+    @Test
+    public void testCreateWithoutManufacturerReferenceNumber(){
+        Set<String> licenseKeyGroupIds;
+        licenseKeyGroupIds = new HashSet<>();
+        licenseKeyGroupIds.add("lkg1");
+
+        Set<String> entitlementPoolIds;
+        entitlementPoolIds = new HashSet<>();
+        entitlementPoolIds.add("ep1");
+
+        Set<String> referencingLicenseAgreements;
+        referencingLicenseAgreements = new HashSet<>();
+        referencingLicenseAgreements.add("la1");
+
+        FeatureGroupEntity featureGroupEntity = createFeatureGroup("vlmId", VERSION01, "fgId", FG1_NAME, "fg1 desc",
+                "partNumber", null, licenseKeyGroupIds, entitlementPoolIds,
+                referencingLicenseAgreements);
+        doReturn(featureGroupEntity).when(featureGroupDao).get(anyObject());
+
+        /*if(featureGroupEntity.getManufacturerReferenceNumber() != null)
+            featureGroupDao.create(featureGroupEntity);
+
+        verify(featureGroupDao, never()).create(anyObject());*/
+
+    }
+}