Enable DeleteChildService functionality

Issue-ID: SO-3830
Change-Id: I5cf8b1a998839813fd59576eb70eb79c72f2c2fe
Signed-off-by: mamed.mamedov <mamed.mamedov@telekom.com>

6 files changed, 265 insertions, 18 deletions

diff --git a/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/service/composition/ChildServiceRequestBuilder.java b/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/service/composition/ChildServiceRequestBuilder.java
index 135b3d6ec4..2a008e3573 100644
--- a/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/service/composition/ChildServiceRequestBuilder.java
+++ b/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/service/composition/ChildServiceRequestBuilder.java
@@ -13,15 +13,14 @@ import org.onap.so.serviceinstancebeans.RelatedInstance;
 import org.onap.so.serviceinstancebeans.RelatedInstanceList;
 import org.onap.so.serviceinstancebeans.RequestDetails;
 import org.onap.so.serviceinstancebeans.RequestInfo;
+import org.onap.so.serviceinstancebeans.RequestParameters;
 import org.onap.so.serviceinstancebeans.Service;
 import org.onap.so.serviceinstancebeans.ServiceInstancesRequest;
-import org.onap.so.serviceinstancebeans.RequestParameters;
 import org.onap.so.serviceinstancebeans.SubscriberInfo;
 import java.io.IOException;
 import java.util.Map;
 
 public class ChildServiceRequestBuilder {
-
     private final BuildingBlockExecution buildingBlockExecution;
     private Service parent;
     private Service child;
@@ -66,6 +65,17 @@ public class ChildServiceRequestBuilder {
         return new ChildServiceRequestBuilder(buildingBlockExecution, parent, child);
     }
 
+    public static ChildServiceRequestBuilder getInstance(final BuildingBlockExecution buildingBlockExecution,
+            Service parentInstance, Service childInstance) {
+        Service child = null;
+        Service parent = null;
+        if (childInstance != null) {
+            parent = parentInstance;
+            child = childInstance;
+        }
+        return new ChildServiceRequestBuilder(buildingBlockExecution, parent, child);
+    }
+
     public ChildServiceRequestBuilder setParentRequestId(String parentRequestId) {
         sir.getRequestDetails().getRequestInfo().setRequestorId(parentRequestId);
         return this;
@@ -83,10 +93,28 @@ public class ChildServiceRequestBuilder {
 
     public ServiceInstancesRequest build() {
         RequestContext context = buildingBlockExecution.getGeneralBuildingBlock().getRequestContext();
-        sir.setRequestDetails(createRequestDetails(context));
+
+        if (context.getAction().equals("deleteInstance")) {
+            sir.setRequestDetails(createRequestDetailsDeleteChild(context));
+        } else {
+            sir.setRequestDetails(createRequestDetails(context));
+        }
         return sir;
     }
 
+    private RequestDetails createRequestDetailsDeleteChild(RequestContext context) {
+        RequestDetails details = sir.getRequestDetails();
+
+        details.setRequestParameters(createRequestParameters(context, child));
+        details.setRequestInfo(createRequestInfo(context));
+        details.setCloudConfiguration(createCloudConfiguration());
+        details.setModelInfo(child.getModelInfo());
+        details.setSubscriberInfo(createSubscriberInfo());
+        details.setRelatedInstanceList(createRelatedInstanceList());
+
+        return details;
+    }
+
     private RequestDetails createRequestDetails(RequestContext context) {
         RequestDetails details = sir.getRequestDetails();
 
@@ -104,8 +132,13 @@ public class ChildServiceRequestBuilder {
 
     private RequestParameters createRequestParameters(RequestContext context, Service childService) {
         RequestParameters requestParameters = new RequestParameters();
-        requestParameters.getUserParams().add(context.getRequestParameters().getUserParams().get(0));
-        requestParameters.getUserParams().add(Map.of("service", childService));
+
+        if (!context.getRequestParameters().getUserParams().isEmpty()) {
+            requestParameters.getUserParams().add(context.getRequestParameters().getUserParams().get(0));
+            if (context.getAction().equals("createInstance")) {
+                requestParameters.getUserParams().add(Map.of("service", childService));
+            }
+        }
         requestParameters.setSubscriptionServiceType(context.getRequestParameters().getSubscriptionServiceType());
         requestParameters.setaLaCarte(context.getRequestParameters().getALaCarte());
         requestParameters.setPayload(context.getRequestParameters().getPayload());
diff --git a/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/service/composition/DeleteChildServiceBB.java b/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/service/composition/DeleteChildServiceBB.java
index a3f70c8f5b..52d1b68ccd 100644
--- a/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/service/composition/DeleteChildServiceBB.java
+++ b/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/service/composition/DeleteChildServiceBB.java
@@ -16,27 +16,114 @@
 
 package org.onap.so.bpmn.infrastructure.service.composition;
 
+import org.onap.aai.domain.yang.ServiceInstance;
+import org.onap.aaiclient.client.aai.AAIResourcesClient;
+import org.onap.aaiclient.client.aai.entities.uri.AAIUriFactory;
+import org.onap.aaiclient.client.generated.fluentbuilders.AAIFluentTypeBuilder;
+import org.onap.aaiclient.client.graphinventory.entities.uri.Depth;
+import org.onap.logging.filter.base.ONAPComponents;
 import org.onap.so.bpmn.common.BuildingBlockExecution;
+import org.onap.so.bpmn.servicedecomposition.entities.ResourceKey;
+import org.onap.so.client.exception.ExceptionBuilder;
+import org.onap.so.client.orchestration.ApiHandlerClient;
+import org.onap.so.serviceinstancebeans.ModelInfo;
+import org.onap.so.serviceinstancebeans.ModelType;
+import org.onap.so.serviceinstancebeans.Service;
+import org.onap.so.serviceinstancebeans.ServiceInstancesRequest;
+import org.onap.so.serviceinstancebeans.ServiceInstancesResponse;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
+import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Component;
+import java.util.Map;
+import java.util.UUID;
+import static org.onap.so.bpmn.infrastructure.service.composition.ServiceCompositionConstants.CHILD_SVC_INSTANCE_ID;
+import static org.onap.so.bpmn.infrastructure.service.composition.ServiceCompositionConstants.CHILD_SVC_REQ_CORRELATION_ID;
+import static org.onap.so.bpmn.infrastructure.service.composition.ServiceCompositionConstants.CHILD_SVC_REQ_ERROR;
+import static org.onap.so.bpmn.infrastructure.service.composition.ServiceCompositionConstants.CHILD_SVC_REQ_ID;
+import static org.onap.so.bpmn.infrastructure.service.composition.ServiceCompositionConstants.CHILD_SVC_REQ_PAYLOAD;
+
 
 @Component
 public class DeleteChildServiceBB {
 
+    @Autowired
+    protected ExceptionBuilder exceptionBuilder;
+
+    @Autowired
+    private ApiHandlerClient apiHandlerClient;
+
+    private AAIResourcesClient aaiResourcesClient = new AAIResourcesClient();
+
     private final Logger log = LoggerFactory.getLogger(this.getClass());
 
     public void buildRequest(final BuildingBlockExecution buildingBlockExecution) {
         log.info("Building Delete Service Request");
+        Map<ResourceKey, String> lookupMap = buildingBlockExecution.getLookupMap();
+        String childSvcInstanceId = lookupMap.get(ResourceKey.CHILD_SERVICE_INSTANCE_ID);
+        String childServiceInstanceId =
+                buildingBlockExecution.getLookupMap().get(ResourceKey.CHILD_SERVICE_INSTANCE_ID);
+        String parentServiceInstanceId = buildingBlockExecution.getLookupMap().get(ResourceKey.SERVICE_INSTANCE_ID);
+        ServiceInstance childInstanceAAI = aaiResourcesClient.get(ServiceInstance.class,
+                AAIUriFactory
+                        .createResourceUri(
+                                AAIFluentTypeBuilder.Types.SERVICE_INSTANCE.getFragment(childServiceInstanceId))
+                        .depth(Depth.TWO))
+                .orElse(null);
+        ServiceInstance parentInstanceAAI =
+                aaiResourcesClient.get(ServiceInstance.class,
+                        AAIUriFactory.createResourceUri(
+                                AAIFluentTypeBuilder.Types.SERVICE_INSTANCE.getFragment(parentServiceInstanceId))
+                                .depth(Depth.TWO))
+                        .orElse(null);
+        if (childInstanceAAI == null || parentInstanceAAI == null) {
+            exceptionBuilder.buildAndThrowWorkflowException(buildingBlockExecution, 10004, "Service AAI request failed",
+                    ONAPComponents.SO);
+        }
+        Service parentInstance = serviceInstanceToServiceBeanMapper(parentInstanceAAI);
+        Service childInstance = serviceInstanceToServiceBeanMapper(childInstanceAAI);
+        ServiceInstancesRequest sir = ChildServiceRequestBuilder
+                .getInstance(buildingBlockExecution, parentInstance, childInstance)
+                .setParentRequestId(
+                        buildingBlockExecution.getGeneralBuildingBlock().getRequestContext().getMsoRequestId())
+                .setChildSvcInstanceId(childSvcInstanceId).setCorrelationId(UUID.randomUUID().toString()).build();
+        buildingBlockExecution.setVariable(CHILD_SVC_REQ_PAYLOAD, sir);
     }
 
     public void sendRequest(final BuildingBlockExecution buildingBlockExecution) {
-        log.info("Sending Delete Service Request");
+        try {
+            ServiceInstancesRequest sir = buildingBlockExecution.getVariable(CHILD_SVC_REQ_PAYLOAD);
+            log.info("Sending Delete Service Request: \n{}", sir.toString());
+            buildingBlockExecution.setVariable(CHILD_SVC_REQ_CORRELATION_ID,
+                    sir.getRequestDetails().getRequestInfo().getCorrelator());
+            ServiceInstancesResponse response = apiHandlerClient.deleteServiceInstance(sir);
+            buildingBlockExecution.setVariable(CHILD_SVC_REQ_ID, response.getRequestReferences().getRequestId());
+            buildingBlockExecution.setVariable(CHILD_SVC_INSTANCE_ID, response.getRequestReferences().getInstanceId());
+        } catch (Exception e) {
+            exceptionBuilder.buildAndThrowWorkflowException(buildingBlockExecution, 10003, e.getMessage(),
+                    ONAPComponents.SO);
+        }
     }
 
-    public void handleFailure(final BuildingBlockExecution buildingBlockExecution, final String responsePayload) {
-        // log error
-        // build workflowException with proper message
+    public void handleFailure(final BuildingBlockExecution buildingBlockExecution) {
+        Map<ResourceKey, String> lookupMap = buildingBlockExecution.getLookupMap();
+        String childSvcInstanceName = lookupMap.get(ResourceKey.CHILD_SERVICE_INSTANCE_NAME);
+        String childErrorMessage = buildingBlockExecution.getVariable(CHILD_SVC_REQ_ERROR);
+        String errorMessage =
+                String.format("Failed deleting child service %:qqs %s", childSvcInstanceName, childErrorMessage);
+        exceptionBuilder.buildAndThrowWorkflowException(buildingBlockExecution, 10001, errorMessage, ONAPComponents.SO);
     }
 
+    private static Service serviceInstanceToServiceBeanMapper(ServiceInstance serviceInstance) {
+        Service service = new Service();
+        service.setInstanceName(service.getInstanceName());
+        ModelInfo modelInfo = new ModelInfo();
+        modelInfo.setModelId(serviceInstance.getModelVersionId());
+        modelInfo.setModelType(ModelType.service);
+        modelInfo.setModelVersionId(serviceInstance.getModelVersionId());
+        modelInfo.setModelInstanceName(serviceInstance.getServiceInstanceName());
+        modelInfo.setModelInvariantId(serviceInstance.getModelInvariantId());
+        service.setModelInfo(modelInfo);
+        return service;
+    }
 }
diff --git a/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/workflow/tasks/WorkflowAction.java b/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/workflow/tasks/WorkflowAction.java
index ef0fbc850e..31a7caacda 100755
--- a/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/workflow/tasks/WorkflowAction.java
+++ b/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/workflow/tasks/WorkflowAction.java
@@ -692,11 +692,11 @@ public class WorkflowAction {
             logger.debug("{}, {}", pair.getValue0(), pair.getValue1());
         }
         Map<Resource, String> resourceInstanceIds = new HashMap<>();
-        Arrays.stream(WorkflowType.values()).filter(type -> !type.equals(WorkflowType.SERVICE))
-                .forEach(type -> resourceList.stream().filter(resource -> type.equals(resource.getResourceType()))
-                        .forEach(resource -> updateWorkflowResourceIds(flowsToExecute, type, resource,
-                                retrieveAAIResourceId(aaiResourceIds, type), null, serviceInstanceId,
-                                resourceInstanceIds)));
+        Arrays.stream(WorkflowType.values()).forEach(type -> resourceList.stream()
+                .filter(resource -> type.equals(resource.getResourceType())
+                        && !(WorkflowType.SERVICE.equals(type) && !resource.hasParent()))
+                .forEach(resource -> updateWorkflowResourceIds(flowsToExecute, type, resource,
+                        retrieveAAIResourceId(aaiResourceIds, type), null, serviceInstanceId, resourceInstanceIds)));
     }
 
     private String retrieveAAIResourceId(List<Pair<WorkflowType, String>> aaiResourceIds, WorkflowType resource) {
@@ -750,7 +750,8 @@ public class WorkflowAction {
                 }
                 if (resource.hasParent() && WorkflowType.SERVICE.equals(resourceType)
                         && WorkflowType.SERVICE.equals(parent.getResourceType())) {
-                    workflowResourceIds.setChildServiceInstanceId(resourceId);
+                    String childServiceInstanceId = resource.isGenerated() ? resourceId : resource.getResourceId();
+                    workflowResourceIds.setChildServiceInstanceId(childServiceInstanceId);
                     workflowResourceIds.setChildServiceInstanceName(resource.getInstanceName());
                 } else {
                     WorkflowResourceIdsUtils.setInstanceNameByWorkflowType(workflowResourceIds, resourceType,
diff --git a/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/workflow/tasks/ebb/loader/ServiceEBBLoader.java b/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/workflow/tasks/ebb/loader/ServiceEBBLoader.java
index 79e801b740..f16365b742 100644
--- a/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/workflow/tasks/ebb/loader/ServiceEBBLoader.java
+++ b/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/workflow/tasks/ebb/loader/ServiceEBBLoader.java
@@ -25,8 +25,12 @@ package org.onap.so.bpmn.infrastructure.workflow.tasks.ebb.loader;
 import com.fasterxml.jackson.core.JsonProcessingException;
 import org.camunda.bpm.engine.delegate.DelegateExecution;
 import org.javatuples.Pair;
+import org.onap.aai.domain.yang.ComposedResource;
+import org.onap.aai.domain.yang.ComposedResources;
 import org.onap.aai.domain.yang.GenericVnf;
 import org.onap.aai.domain.yang.Relationship;
+import org.onap.aai.domain.yang.RelationshipData;
+import org.onap.aai.domain.yang.RelationshipList;
 import org.onap.aai.domain.yang.ServiceInstance;
 import org.onap.aai.domain.yang.VpnBinding;
 import org.onap.aaiclient.client.aai.AAICommonObjectMapperProvider;
@@ -204,6 +208,7 @@ public class ServiceEBBLoader {
                     new Resource(WorkflowType.SERVICE, serviceInstanceMSO.getServiceInstanceId(), false, null);
             serviceResource.setModelInvariantId(serviceInstanceAAI.getModelInvariantId());
             resourceList.add(serviceResource);
+            traverseServiceInstanceChildService(resourceList, serviceResource, serviceInstanceAAI);
             traverseServiceInstanceMSOVnfs(resourceList, serviceResource, aaiResourceIds, serviceInstanceMSO);
             traverseServiceInstanceMSOPnfs(resourceList, serviceResource, aaiResourceIds, serviceInstanceMSO);
             if (serviceInstanceMSO.getNetworks() != null) {
@@ -280,6 +285,54 @@ public class ServiceEBBLoader {
         }
     }
 
+    public void traverseServiceInstanceChildService(List<Resource> resourceList, Resource serviceResource,
+            ServiceInstance serviceInstanceAAI) {
+
+        ComposedResources composedResources = serviceInstanceAAI.getComposedResources();
+        if (composedResources == null) {
+            return;
+        }
+
+        List<ComposedResource> listOfComposedResource = composedResources.getComposedResource();
+
+        listOfComposedResource.forEach(composedResource -> {
+            // Get ServiceInstance from composedResource relationship List
+            RelationshipList relationshipList = composedResource.getRelationshipList();
+            if (relationshipList == null) {
+                return;
+            }
+            List<Relationship> composedResourceRelationshipList = relationshipList.getRelationship();
+            ServiceInstance childService = new ServiceInstance();
+            composedResourceRelationshipList.forEach(composedRelation -> {
+                if ("service-instance".equalsIgnoreCase(composedRelation.getRelatedTo())) {
+                    List<RelationshipData> rData = composedRelation.getRelationshipData();
+                    rData.forEach(data -> {
+                        if ("service-instance.service-instance-id".equalsIgnoreCase(data.getRelationshipKey())) {
+                            childService.setServiceInstanceId(data.getRelationshipValue());
+                        }
+                    });
+                    composedRelation.getRelatedToProperty().forEach(relatedToProperty -> {
+                        if ("service-instance.service-instance-name"
+                                .equalsIgnoreCase(relatedToProperty.getPropertyKey())) {
+                            childService.setServiceInstanceName(relatedToProperty.getPropertyValue());
+                        }
+                    });
+                }
+            });
+
+            if (childService.getServiceInstanceId() == null) {
+                return;
+            }
+
+            Resource childServiceResource =
+                    new Resource(WorkflowType.SERVICE, childService.getServiceInstanceId(), false, serviceResource);
+
+            childServiceResource.setInstanceName(childService.getServiceInstanceName());
+            resourceList.add(childServiceResource);
+        });
+
+    }
+
     protected void traverseVrfConfiguration(List<Pair<WorkflowType, String>> aaiResourceIds,
             List<Resource> resourceList, Resource serviceResource, org.onap.so.db.catalog.beans.Service service,
             RelatedInstance relatedVpnBinding, RelatedInstance relatedLocalNetwork)
diff --git a/bpmn/so-bpmn-tasks/src/test/java/org/onap/so/bpmn/infrastructure/service/composition/ChildServiceRequestBuilderTest.java b/bpmn/so-bpmn-tasks/src/test/java/org/onap/so/bpmn/infrastructure/service/composition/ChildServiceRequestBuilderTest.java
index d1db3aadcd..e57232ebb7 100644
--- a/bpmn/so-bpmn-tasks/src/test/java/org/onap/so/bpmn/infrastructure/service/composition/ChildServiceRequestBuilderTest.java
+++ b/bpmn/so-bpmn-tasks/src/test/java/org/onap/so/bpmn/infrastructure/service/composition/ChildServiceRequestBuilderTest.java
@@ -53,6 +53,7 @@ public class ChildServiceRequestBuilderTest {
         context.setProductFamilyId("FamilyId");
         context.setSource("source");
         context.setRequestorId("RequestOrId");
+        context.setAction("createInstance");
 
         CloudRegion cloudRegion = new CloudRegion();
         cloudRegion.setCloudOwner("CloudOwner");
@@ -82,10 +83,26 @@ public class ChildServiceRequestBuilderTest {
         gbb.setServiceInstance(serviceInstance);
         mockExecution = mock(BuildingBlockExecution.class);
         doReturn(gbb).when(mockExecution).getGeneralBuildingBlock();
+        doReturn("CreateChildServiceBB").when(mockExecution).getFlowToBeCalled();
     }
 
     @Test
-    public void childServiceRequestBuilderTest() {
+    public void deleteChildServiceRequestBuilderTest() {
+        Service parent = new Service();
+        Service child = new Service();
+
+        ChildServiceRequestBuilder builder = ChildServiceRequestBuilder.getInstance(mockExecution, parent, child);
+        ServiceInstancesRequest sir = builder
+                .setParentRequestId(mockExecution.getGeneralBuildingBlock().getRequestContext().getMsoRequestId())
+                .setCorrelationId(UUID.randomUUID().toString()).setChildSvcInstanceId("childInstanceId").build();
+
+        Assert.assertEquals("childInstanceId", sir.getServiceInstanceId());
+        Assert.assertEquals("serviceInstanceId",
+                sir.getRequestDetails().getRelatedInstanceList()[0].getRelatedInstance().getInstanceId());
+    }
+
+    @Test
+    public void createChildServiceRequestBuilderTest() {
 
         ServiceInstancesRequest sir = ChildServiceRequestBuilder.getInstance(mockExecution, "service1-instanceName")
                 .setParentRequestId(mockExecution.getGeneralBuildingBlock().getRequestContext().getMsoRequestId())
@@ -180,6 +197,7 @@ public class ChildServiceRequestBuilderTest {
         context.setProductFamilyId("FamilyId");
         context.setSource("source");
         context.setRequestorId("RequestOrId");
+        context.setAction("createInstance");
 
         CloudRegion cloudRegion = new CloudRegion();
         cloudRegion.setCloudOwner("CloudOwner");
@@ -198,6 +216,7 @@ public class ChildServiceRequestBuilderTest {
         gbb.setServiceInstance(serviceInstance);
         mockExecution = mock(BuildingBlockExecution.class);
         doReturn(gbb).when(mockExecution).getGeneralBuildingBlock();
+        doReturn("CreateChildServiceBB").when(mockExecution).getFlowToBeCalled();
 
         ServiceInstancesRequest sir = ChildServiceRequestBuilder
                 .getInstance(mockExecution, "service1-instanceName-child")
@@ -231,6 +250,4 @@ public class ChildServiceRequestBuilderTest {
         }
         return null;
     }
-
-
 }
diff --git a/bpmn/so-bpmn-tasks/src/test/java/org/onap/so/bpmn/infrastructure/workflow/tasks/ebb/loader/ServiceEBBLoaderTest.java b/bpmn/so-bpmn-tasks/src/test/java/org/onap/so/bpmn/infrastructure/workflow/tasks/ebb/loader/ServiceEBBLoaderTest.java
index 2725626c1a..9377daea5e 100644
--- a/bpmn/so-bpmn-tasks/src/test/java/org/onap/so/bpmn/infrastructure/workflow/tasks/ebb/loader/ServiceEBBLoaderTest.java
+++ b/bpmn/so-bpmn-tasks/src/test/java/org/onap/so/bpmn/infrastructure/workflow/tasks/ebb/loader/ServiceEBBLoaderTest.java
@@ -32,7 +32,11 @@ import org.junit.Rule;
 import org.junit.Test;
 import org.junit.rules.ExpectedException;
 import org.mockito.Mock;
+import org.onap.aai.domain.yang.ComposedResource;
+import org.onap.aai.domain.yang.ComposedResources;
+import org.onap.aai.domain.yang.RelatedToProperty;
 import org.onap.aai.domain.yang.Relationship;
+import org.onap.aai.domain.yang.RelationshipData;
 import org.onap.aai.domain.yang.RelationshipList;
 import org.onap.aai.domain.yang.ServiceInstance;
 import org.onap.aaiclient.client.aai.entities.Relationships;
@@ -364,4 +368,56 @@ public class ServiceEBBLoaderTest extends BaseTaskTest {
         resourceList.add(new Resource(WorkflowType.VFMODULE, "72d9d1cd-f46d-447a-abdb-451d6fb05fa8", false, r2));
         return resourceList;
     }
+
+    @Test
+    public void traverseServiceInstanceChildServiceTest() {
+        List<Resource> resourceList = new ArrayList<>();
+        Resource parentResource = new Resource(WorkflowType.SERVICE, "parentId", false, null);
+        String resourceId = "siP";
+        ServiceInstance serviceInstanceAAI = new ServiceInstance();
+        serviceInstanceAAI.setServiceInstanceId(resourceId);
+
+        RelationshipData relationshipData = new RelationshipData();
+        relationshipData.setRelationshipKey("service-instance.service-instance-id");
+        relationshipData.setRelationshipValue("80ced9d5-666e-406b-88f0-a05d31328b70");
+        RelatedToProperty relatedToProperty = new RelatedToProperty();
+        relatedToProperty.setPropertyKey("service-instance.service-instance-name");
+        relatedToProperty.setPropertyValue("child_euler_002");
+
+        RelationshipData relationshipData1 = new RelationshipData();
+        relationshipData1.setRelationshipKey("service-instance.service-instance-id");
+        relationshipData1.setRelationshipValue("fa5640af-c827-4372-baae-7f1c50fdb5ed");
+        RelatedToProperty relatedToProperty1 = new RelatedToProperty();
+        relatedToProperty1.setPropertyKey("service-instance.service-instance-name");
+        relatedToProperty.setPropertyValue("child_euler_001");
+
+
+        Relationship relationship = new Relationship();
+        Relationship relationship1 = new Relationship();
+        relationship.setRelatedTo("service-instance");
+        relationship1.setRelatedTo("service-instance");
+        relationship.getRelationshipData().add(relationshipData);
+        relationship.getRelatedToProperty().add(relatedToProperty);
+        relationship1.getRelationshipData().add(relationshipData1);
+        relationship1.getRelatedToProperty().add(relatedToProperty1);
+
+        RelationshipList relationshipList = new RelationshipList();
+        RelationshipList relationshipList1 = new RelationshipList();
+        relationshipList.getRelationship().add(relationship);
+        relationshipList1.getRelationship().add(relationship1);
+
+        ComposedResource composedResource = new ComposedResource();
+        composedResource.setRelationshipList(relationshipList);
+        ComposedResource composedResource1 = new ComposedResource();
+        composedResource1.setRelationshipList(relationshipList);
+
+        ComposedResources composedResources = new ComposedResources();
+        composedResources.getComposedResource().add(composedResource);
+        composedResources.getComposedResource().add(composedResource1);
+
+        serviceInstanceAAI.setComposedResources(composedResources);
+
+        serviceEBBLoader.traverseServiceInstanceChildService(resourceList, parentResource, serviceInstanceAAI);
+        assertEquals(2, resourceList.size());
+    }
 }