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diff --git a/bpmn/so-bpmn-infrastructure-common/src/test/groovy/org/onap/so/bpmn/infrastructure/scripts/DoDeallocateCoreNSSITest.groovy b/bpmn/so-bpmn-infrastructure-common/src/test/groovy/org/onap/so/bpmn/infrastructure/scripts/DoDeallocateCoreNSSITest.groovy
new file mode 100644
index 0000000000..48b96fb60e
--- /dev/null
+++ b/bpmn/so-bpmn-infrastructure-common/src/test/groovy/org/onap/so/bpmn/infrastructure/scripts/DoDeallocateCoreNSSITest.groovy
@@ -0,0 +1,829 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP - SO
+ * ================================================================================
+ * Copyright (C) 2020  TIM
+ * ================================================================================
+ * 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.onap.so.bpmn.infrastructure.scripts
+
+import com.fasterxml.jackson.databind.ObjectMapper
+import org.camunda.bpm.engine.ProcessEngineServices
+import org.camunda.bpm.engine.RepositoryService
+import org.camunda.bpm.engine.impl.cmmn.execution.CaseExecutionImpl
+import org.camunda.bpm.engine.impl.core.variable.scope.AbstractVariableScope
+import org.camunda.bpm.engine.impl.persistence.entity.ExecutionEntity
+import org.camunda.bpm.engine.repository.ProcessDefinition
+import org.junit.Rule
+import org.junit.rules.ExpectedException
+import org.mockito.invocation.InvocationOnMock
+import org.mockito.stubbing.Answer
+import org.onap.aai.domain.yang.CloudRegion
+import org.onap.aai.domain.yang.Customer
+import org.onap.aai.domain.yang.GenericVnf
+import org.onap.aai.domain.yang.ModelVer
+import org.onap.aai.domain.yang.OwningEntity
+import org.onap.aai.domain.yang.Project
+import org.onap.aai.domain.yang.Relationship
+import org.onap.aai.domain.yang.RelationshipList
+import org.onap.aai.domain.yang.ServiceSubscription
+import org.onap.aai.domain.yang.SliceProfile
+import org.onap.aai.domain.yang.SliceProfiles
+import org.onap.aai.domain.yang.Tenant
+import org.onap.aai.domain.yang.Tenants
+import org.onap.aai.domain.yang.VfModule
+import org.onap.aai.domain.yang.VfModules
+import org.onap.aaiclient.client.aai.entities.AAIResultWrapper
+import org.onap.aaiclient.client.aai.entities.Relationships
+import org.onap.aaiclient.client.aai.entities.uri.AAISimpleUri
+import org.onap.aaiclient.client.aai.entities.uri.ServiceInstanceUri
+import org.onap.logging.filter.base.ONAPComponents
+import org.onap.so.beans.nsmf.NssiResponse
+import org.onap.so.bpmn.common.scripts.ExceptionUtil
+import org.onap.so.bpmn.common.scripts.MsoUtils
+import org.onap.so.bpmn.mock.FileUtil
+import org.onap.so.client.HttpClient
+import org.onap.so.client.HttpClientFactory
+import org.onap.so.serviceinstancebeans.RequestDetails
+import org.onap.so.utils.CryptoUtils
+
+import javax.ws.rs.core.Response
+
+import static org.junit.Assert.*;
+import org.junit.Before
+import org.junit.Test
+import org.mockito.Mockito
+import org.onap.aai.domain.yang.ServiceInstance
+import org.onap.aaiclient.client.aai.AAIObjectType
+import org.onap.aaiclient.client.aai.entities.uri.AAIResourceUri
+import org.onap.aaiclient.client.aai.entities.uri.AAIUriFactory
+import org.onap.so.bpmn.common.scripts.MsoGroovyTest
+
+import static org.mockito.ArgumentMatchers.anyDouble
+import static org.mockito.ArgumentMatchers.anyInt
+import static org.mockito.ArgumentMatchers.anyString
+import static org.mockito.ArgumentMatchers.eq
+import static org.mockito.Mockito.doNothing
+import static org.mockito.Mockito.doReturn
+import static org.mockito.Mockito.doThrow
+import static org.mockito.Mockito.mock
+import static org.mockito.Mockito.mock
+import static org.mockito.Mockito.mock
+import static org.mockito.Mockito.spy
+import static org.mockito.Mockito.times
+import static org.mockito.Mockito.verify
+import static org.mockito.Mockito.when
+
+class DoDeallocateCoreNSSITest extends MsoGroovyTest {
+
+    @Before
+    void init() throws IOException {
+        super.init("DoDeallocateNSSITest")
+    }
+
+
+    @Test
+    void testPreProcessRequest() {
+        def currentNSSI = [:]
+        currentNSSI.put("nssiId","5G-999")
+        when(mockExecution.getVariable("currentNSSI")).thenReturn(currentNSSI)
+
+        DoDeallocateCoreNSSI dcnssi = new DoDeallocateCoreNSSI()
+        dcnssi.preProcessRequest(mockExecution)
+        Mockito.verify(mockExecution,times(1)).getVariable("currentNSSI")
+    }
+
+
+    @Test
+    void testExecuteTerminateNSSIQuery() {
+        HttpClientFactory httpClientFactoryMock
+        HttpClient httpClientMock
+
+        def currentNSSI = [:]
+        currentNSSI.put("nssiId","5G-999")
+
+        when(mockExecution.getVariable("currentNSSI")).thenReturn(currentNSSI)
+
+        when(mockExecution.getVariable("mso.oof.endpoint")).thenReturn("http://oof.onap:8088")
+        when(mockExecution.getVariable("mso.oof.auth")).thenReturn("mso.oof.auth")
+        when(mockExecution.getVariable("mso.msoKey")).thenReturn("mso.msoKey")
+        when(mockExecution.getVariable("mso-request-id")).thenReturn("mso-request-id")
+
+        DoDeallocateCoreNSSI spy = spy(DoDeallocateCoreNSSI.class)
+        when(spy.getAAIClient()).thenReturn(client)
+
+        when(spy.encryptBasicAuth("mso.oof.auth", "mso.msoKey")).thenReturn("auth-value")
+
+        String authHeaderResponse =  "auth-header"
+
+      /*  String authHeaderResponse =  "{\n" +
+                " \"errorCode\": \"401\",\n" +
+                " \"errorMessage\": \"Bad request\"\n" +
+                "}" */
+
+        when(spy.getAuthHeader(mockExecution, "auth-value", "mso.msoKey")).thenReturn(authHeaderResponse)
+
+        String urlString = "http://oof.onap:8088"
+
+        String httpRequest =    "{\n" +
+                "  \"type\": \"NSSI\",\n" +
+                "  \"NxIId\": \"5G-999\",\n" +
+                "  \"requestInfo\": {\n" +
+                "    \"transactionId\": \"mso-request-id\",\n" +
+                "    \"requestId\": \"mso-request-id\",\n" +
+                "    \"sourceId\": \"so\",\n" +
+                "    }\n" +
+                "}"
+
+        boolean terminateResponse = true
+
+        String oofResponse =   "{\n" +
+                " \"requestId\": \"mso-request-id\",\n" +
+                " \"transactionId\": \"mso-request-id\",\n" +
+                " \"statusMessage\": \"\",\n" +
+                " \"requestStatus\": \"accepted\",\n" +
+                " \"terminateResponse\": \"${terminateResponse}\",\n" +
+                " \"reason\": \"\"\n" +
+                " }\n"
+
+        String oofCallResponse = oofResponse
+
+      /*  String oofCallResponse =  "{\n" +
+                " \"errorCode\": \"401\",\n" +
+                " \"errorMessage\": \"Exception during the call\"\n" +
+                "}" */
+
+        when(spy.callOOF(urlString, "auth-header", httpRequest)).thenReturn(oofCallResponse)
+
+        spy.executeTerminateNSSIQuery(mockExecution)
+
+        verify(mockExecution).setVariable("isTerminateNSSI", terminateResponse)
+
+    }
+
+
+    @Test
+    void testGetNetworkServiceInstance() {
+        def currentNSSI = [:]
+        currentNSSI.put("nssiId","5G-999")
+
+        when(mockExecution.getVariable("currentNSSI")).thenReturn(currentNSSI)
+
+        AAIResourceUri nssiUri = AAIUriFactory.createResourceUri(AAIObjectType.SERVICE_INSTANCE, "5G-999")
+        AAIResourceUri networkServiceInstanceUri = AAIUriFactory.createResourceUri(AAIObjectType.SERVICE_INSTANCE, "NS-777")
+
+        ServiceInstance nssi = new ServiceInstance()
+        nssi.setServiceInstanceId("5G-999")
+
+        ServiceInstance networkServiceInstance = new ServiceInstance()
+        networkServiceInstance.setServiceInstanceId("NS-777")
+        networkServiceInstance.setServiceRole("Network Service")
+
+        Optional<ServiceInstance> nssiOpt = Optional.of(nssi)
+        Optional<ServiceInstance> networkServiceInstaneOpt = Optional.of(networkServiceInstance)
+
+        DoDeallocateCoreNSSI spy = spy(DoDeallocateCoreNSSI.class)
+        when(spy.getAAIClient()).thenReturn(client)
+
+        when(client.get(ServiceInstance.class, nssiUri)).thenReturn(nssiOpt)
+
+        //String json = FileUtil.readResourceFile("__files/AAI/ServiceInstanceWithAR.json")
+        AAIResultWrapper wrapperMock = mock(AAIResultWrapper.class) //new AAIResultWrapper(json)
+        Relationships rsMock = mock(Relationships.class)
+        Optional<Relationships> orsMock = Optional.of(rsMock)
+        List<AAIResourceUri> arus = new ArrayList<>()
+        AAIResourceUri aru = new ServiceInstanceUri(networkServiceInstanceUri)
+        arus.add(aru)
+
+        when(client.get(nssiUri)).thenReturn(wrapperMock)
+        when(wrapperMock.getRelationships()).thenReturn(orsMock)
+
+        when(rsMock.getRelatedAAIUris(AAIObjectType.SERVICE_INSTANCE)).thenReturn(arus)
+        when(client.get(ServiceInstance.class, aru)).thenReturn(networkServiceInstaneOpt)
+
+        spy.getNetworkServiceInstance(mockExecution)
+
+        assertTrue("Either NSSI doesn't exist or unexpected NSSI Service Instance ID",
+                    currentNSSI.get("nssi") != null && ((ServiceInstance)currentNSSI.get("nssi")).getServiceInstanceId().equals(nssi.getServiceInstanceId()))
+
+        assertTrue("Either Network Service Instance doesn't exist or unexpected Network Service Instance ID",
+                currentNSSI.get("networkServiceInstance") != null && ((ServiceInstance)currentNSSI.get("networkServiceInstance")).getServiceInstanceId().equals(networkServiceInstance.getServiceInstanceId()))
+
+        assertNotNull("networkServiceInstanceUri doesn't exist", currentNSSI.get("networkServiceInstanceUri"))
+    }
+
+
+    @Test
+    void testDeleteServiceOrder() {
+        def currentNSSI = [:]
+        currentNSSI.put("nssiId","5G-999")
+
+        ServiceInstance networkServiceInstance = new ServiceInstance()
+        networkServiceInstance.setServiceInstanceId("NS-777")
+        networkServiceInstance.setServiceRole("Network Service")
+
+        when(mockExecution.getVariable("currentNSSI")).thenReturn(currentNSSI)
+
+        currentNSSI.put("networkServiceInstance", networkServiceInstance)
+
+        when(mockExecution.getVariable("nbi.endpoint.url")).thenReturn("http://nbi.onap:8088")
+        when(mockExecution.getVariable("mso.msoKey")).thenReturn("mso.msoKey")
+        when(mockExecution.getVariable("mso.infra.endpoint.auth")).thenReturn("mso.infra.endpoint.auth")
+
+        DoDeallocateCoreNSSI spy = spy(DoDeallocateCoreNSSI.class)
+        when(spy.getAAIClient()).thenReturn(client)
+
+        when(spy.encryptBasicAuth("mso.infra.endpoint.auth", "mso.msoKey")).thenReturn("auth-value")
+
+        String authHeaderResponse =  "auth-header"
+
+        /*  String authHeaderResponse =  "{\n" +
+                  " \"errorCode\": \"401\",\n" +
+                  " \"errorMessage\": \"Bad request\"\n" +
+                  "}" */
+
+        when(spy.getAuthHeader(mockExecution, "auth-value", "mso.msoKey")).thenReturn(authHeaderResponse)
+
+        String urlString = String.format("http://nbi.onap:8088/api/v4/serviceOrder/%s", networkServiceInstance.getServiceInstanceId())
+
+        String callDeleteServiceOrderResponse = "deleted"
+
+        when(spy.callDeleteServiceOrder(mockExecution, urlString, "auth-header")).thenReturn(callDeleteServiceOrderResponse)
+
+        spy.deleteServiceOrder(mockExecution)
+    }
+
+
+
+    @Test
+    void getConstituteVNFFromNetworkServiceInst() {
+        def currentNSSI = [:]
+
+        when(mockExecution.getVariable("currentNSSI")).thenReturn(currentNSSI)
+
+        DoDeallocateCoreNSSI spy = spy(DoDeallocateCoreNSSI.class)
+        when(spy.getAAIClient()).thenReturn(client)
+
+        ServiceInstance networkServiceInstance = new ServiceInstance()
+        networkServiceInstance.setServiceInstanceId("NS-777")
+        networkServiceInstance.setServiceRole("Network Service")
+
+        GenericVnf genericVNF = new GenericVnf()
+        genericVNF.setVnfId("VNF-1")
+
+        AAIResourceUri networkServiceInstanceUri = AAIUriFactory.createResourceUri(AAIObjectType.SERVICE_INSTANCE, networkServiceInstance.getServiceInstanceId())
+
+        Optional<GenericVnf> genericVnfOpt = Optional.of(genericVNF)
+        AAIResourceUri genericVNFUri = AAIUriFactory.createResourceUri(AAIObjectType.GENERIC_VNF, genericVNF.getVnfId())
+
+        currentNSSI.put("networkServiceInstanceUri", networkServiceInstanceUri)
+        currentNSSI.put("networkServiceInstance", networkServiceInstance)
+
+        AAIResultWrapper wrapperMock = mock(AAIResultWrapper.class) //new AAIResultWrapper(json)
+        Relationships rsMock = mock(Relationships.class)
+        Optional<Relationships> orsMock = Optional.of(rsMock)
+        List<AAIResourceUri> arus = new ArrayList<>()
+        AAIResourceUri aru = new AAISimpleUri(genericVNFUri)
+        arus.add(aru)
+
+        when(client.get(networkServiceInstanceUri)).thenReturn(wrapperMock)
+        when(wrapperMock.getRelationships()).thenReturn(orsMock)
+
+        when(rsMock.getRelatedAAIUris(AAIObjectType.GENERIC_VNF)).thenReturn(arus)
+        when(client.get(GenericVnf.class, genericVNFUri)).thenReturn(genericVnfOpt)
+
+        spy.getConstituteVNFFromNetworkServiceInst(mockExecution)
+
+        assertNotNull("constituteVnfUri doesn't exist", currentNSSI.get("constituteVnfUri"))
+
+        assertTrue("Either Constitute VNF doesn't exist or unexpected VNF ID",
+                currentNSSI.get("constituteVnf") != null && ((GenericVnf)currentNSSI.get("constituteVnf")).getVnfId().equals(genericVNF.getVnfId()))
+    }
+
+
+    @Test
+    void testGetNSSIAssociatedProfiles() {
+        def currentNSSI = [:]
+        when(mockExecution.getVariable("currentNSSI")).thenReturn(currentNSSI)
+
+        ServiceInstance nssi = new ServiceInstance()
+        nssi.setServiceInstanceId("5G-999")
+
+        SliceProfiles sliceProfiles = new SliceProfiles()
+
+        List<SliceProfile> slProfiles = sliceProfiles.getSliceProfile()
+        slProfiles.add(new SliceProfile())
+        slProfiles.add(new SliceProfile())
+
+        nssi.setSliceProfiles(sliceProfiles)
+        currentNSSI.put("nssi", nssi)
+
+        DoDeallocateCoreNSSI obj = new DoDeallocateCoreNSSI()
+        obj.getNSSIAssociatedProfiles(mockExecution)
+
+        List<SliceProfile> associatedProfiles = (List<SliceProfile>)currentNSSI.get("associatedProfiles")
+        assertTrue("Either associatedProfiles doesn't exist or size is incorrect", (associatedProfiles != null && associatedProfiles.size() == 2))
+    }
+
+
+    @Test
+    void testCalculateSNSSAI() {
+        def currentNSSI = [:]
+        when(mockExecution.getVariable("currentNSSI")).thenReturn(currentNSSI)
+
+        String theSNSSAI = "theS-NSSAI"
+
+        currentNSSI.put("S-NSSAI", theSNSSAI)
+
+        List<SliceProfile> associatedProfiles = new ArrayList<>()
+        SliceProfile sliceProfile1 = new SliceProfile()
+        sliceProfile1.setSNssai("snssai1")
+
+        SliceProfile sliceProfile2 = new SliceProfile()
+        sliceProfile2.setSNssai(theSNSSAI)
+
+        SliceProfile sliceProfile3 = new SliceProfile()
+        sliceProfile3.setSNssai("snssai3")
+
+        associatedProfiles.add(sliceProfile1)
+        associatedProfiles.add(sliceProfile2)
+        associatedProfiles.add(sliceProfile3)
+
+        int sizeBefore = associatedProfiles.size()
+
+        currentNSSI.put("associatedProfiles", associatedProfiles)
+
+        DoDeallocateCoreNSSI obj = new DoDeallocateCoreNSSI()
+        obj.calculateSNSSAI(mockExecution)
+
+        List<SliceProfile> snssais = (List<SliceProfile>)currentNSSI.get("S-NSSAIs")
+        SliceProfile sliceProfileContainsSNSSAI = (SliceProfile)currentNSSI.get("sliceProfileS-NSSAI")
+
+        assertTrue("Either snssais doesn't exist or size is incorrect", (snssais != null && snssais.size() == (sizeBefore - 1)))
+        assertNotNull("Slice Profile which contains given S-NSSAI not found", sliceProfileContainsSNSSAI)
+        assertTrue("Wrong Slice Profile", sliceProfileContainsSNSSAI.getSNssai().equals(theSNSSAI))
+    }
+
+
+    @Test
+    void testInvokePUTServiceInstance() {
+        def currentNSSI = [:]
+
+        ServiceInstance networkServiceInstance = new ServiceInstance()
+        networkServiceInstance.setServiceInstanceId("NS-777")
+        networkServiceInstance.setServiceRole("Network Service")
+
+        GenericVnf constituteVnf = new GenericVnf()
+        constituteVnf.setVnfId("VNF-1")
+
+        when(mockExecution.getVariable("currentNSSI")).thenReturn(currentNSSI)
+
+        currentNSSI.put("networkServiceInstance", networkServiceInstance)
+        currentNSSI.put("constituteVnf", constituteVnf)
+
+        when(mockExecution.getVariable("mso.infra.endpoint.url")).thenReturn("http://mso.onap:8088")
+        when(mockExecution.getVariable("mso.msoKey")).thenReturn("mso.msoKey")
+        when(mockExecution.getVariable("mso.infra.endpoint.auth")).thenReturn("mso.infra.endpoint.auth")
+
+        DoDeallocateCoreNSSI spy = spy(DoDeallocateCoreNSSI.class)
+        when(spy.getAAIClient()).thenReturn(client)
+
+        when(spy.encryptBasicAuth("mso.infra.endpoint.auth", "mso.msoKey")).thenReturn("auth-value")
+
+        String authHeaderResponse =  "auth-header"
+
+        when(spy.getAuthHeader(mockExecution, "auth-value", "mso.msoKey")).thenReturn(authHeaderResponse)
+
+        String urlString = String.format("http://mso.onap:8088/serviceInstantiation/v7/serviceInstances/%s/vnfs/%s", networkServiceInstance.getServiceInstanceId(), constituteVnf.getVnfId())
+
+        String callPUTServiceInstanceResponse = "put"
+
+        RequestDetails requestDetails = new RequestDetails()
+        ObjectMapper mapper = new ObjectMapper()
+        String requestDetailsStr = mapper.writeValueAsString(requestDetails)
+
+        when(spy.prepareRequestDetails(mockExecution)).thenReturn(requestDetailsStr)
+
+        when(spy.callPUTServiceInstance(urlString, "auth-header", requestDetailsStr)).thenReturn(callPUTServiceInstanceResponse)
+
+        spy.invokePUTServiceInstance(mockExecution)
+    }
+
+
+    @Test
+    void testRemoveNSSIAssociationWithNSI() {
+        def currentNSSI = [:]
+
+        when(mockExecution.getVariable("currentNSSI")).thenReturn(currentNSSI)
+
+        DoDeallocateCoreNSSI spy = spy(DoDeallocateCoreNSSI.class)
+
+        when(spy.getAAIClient()).thenReturn(client)
+
+        String nssiId = "5G-999"
+        String nsiId = "5G-99"
+        currentNSSI.put("nssiId", nssiId)
+        currentNSSI.put("nsiId", nsiId)
+
+        AAIResourceUri nssiUri = AAIUriFactory.createResourceUri(AAIObjectType.SERVICE_INSTANCE, nssiId)
+        AAIResourceUri nsiUri = AAIUriFactory.createResourceUri(AAIObjectType.SERVICE_INSTANCE, nsiId)
+
+        doNothing().when(client).disconnect(nssiUri, nsiUri)
+
+        spy.removeNSSIAssociationWithNSI(mockExecution)
+
+    }
+
+
+    @Test
+    void testRemoveSPAssociationWithNSSI() {
+        def currentNSSI = [:]
+
+        when(mockExecution.getVariable("currentNSSI")).thenReturn(currentNSSI)
+
+        String nssiId = "5G-999"
+        currentNSSI.put("nssiId", nssiId)
+        ServiceInstance nssi = new ServiceInstance()
+        nssi.setServiceInstanceId(nssiId)
+        nssi.setSliceProfiles(new SliceProfiles())
+
+        currentNSSI.put("nssi", nssi)
+
+        AAIResourceUri nssiUri = AAIUriFactory.createResourceUri(AAIObjectType.SERVICE_INSTANCE, nssiId)
+
+        DoDeallocateCoreNSSI spy = spy(DoDeallocateCoreNSSI.class)
+
+        when(spy.getAAIClient()).thenReturn(client)
+
+        String theSNSSAI = "theS-NSSAI"
+        currentNSSI.put("S-NSSAI", theSNSSAI)
+
+        List<SliceProfile> associatedProfiles = nssi.getSliceProfiles().getSliceProfile()
+
+        SliceProfile sliceProfile1 = new SliceProfile()
+        sliceProfile1.setSNssai("snssai1")
+
+        SliceProfile sliceProfile2 = new SliceProfile()
+        sliceProfile2.setSNssai(theSNSSAI)
+
+        SliceProfile sliceProfile3 = new SliceProfile()
+        sliceProfile3.setSNssai("snssai3")
+
+        associatedProfiles.add(sliceProfile1)
+        associatedProfiles.add(sliceProfile2)
+        associatedProfiles.add(sliceProfile3)
+
+        int sizeBefore = associatedProfiles.size()
+
+        doNothing().when(client).update(nssiUri, nssi)
+
+        spy.removeSPAssociationWithNSSI(mockExecution)
+
+        assertTrue("Association between slice profile and NSSI wasn't removed", ((ServiceInstance)currentNSSI.get("nssi")).getSliceProfiles().getSliceProfile().size() == (sizeBefore - 1))
+    }
+
+
+    @Test
+    void testDeleteSliceProfileInstance() {
+        def currentNSSI = [:]
+
+        when(mockExecution.getVariable("currentNSSI")).thenReturn(currentNSSI)
+
+        String globalSubscriberId = "global-id"
+        String serviceType = "service"
+        String nssiId = "5G-999"
+
+        currentNSSI.put("globalSubscriberId", nssiId)
+        currentNSSI.put("serviceType", nssiId)
+        currentNSSI.put("nssiId", nssiId)
+
+        String theSNSSAI = "theS-NSSAI"
+
+        SliceProfile sliceProfile = new SliceProfile()
+        sliceProfile.setSNssai(theSNSSAI)
+        sliceProfile.setProfileId("prof-id")
+
+        AAIResourceUri nssiUri = AAIUriFactory.createResourceUri(AAIObjectType.SERVICE_INSTANCE, nssiId)
+
+        currentNSSI.put("sliceProfileS-NSSAI", sliceProfile)
+
+        DoDeallocateCoreNSSI spy = spy(DoDeallocateCoreNSSI.class)
+
+        when(spy.getAAIClient()).thenReturn(client)
+
+        doNothing().when(client).delete(nssiUri)
+
+        spy.deleteSliceProfileInstance(mockExecution)
+
+    }
+
+
+    @Test
+    void testDeleteNSSIServiceInstance() {
+        def currentNSSI = [:]
+
+        when(mockExecution.getVariable("currentNSSI")).thenReturn(currentNSSI)
+
+        String nssiId = "5G-999"
+
+        currentNSSI.put("nssiId", nssiId)
+
+        AAIResourceUri nssiUri = AAIUriFactory.createResourceUri(AAIObjectType.SERVICE_INSTANCE, nssiId)
+
+        DoDeallocateCoreNSSI spy = spy(DoDeallocateCoreNSSI.class)
+
+        when(spy.getAAIClient()).thenReturn(client)
+
+        doNothing().when(client).delete(nssiUri)
+
+        spy.deleteNSSIServiceInstance(mockExecution)
+    }
+
+
+    @Test
+    void testUpdateServiceOperationStatus() {
+        def currentNSSI = [:]
+
+        when(mockExecution.getVariable("currentNSSI")).thenReturn(currentNSSI)
+
+        String nssiId = "5G-999"
+
+        currentNSSI.put("nssiId", nssiId)
+        currentNSSI.put("e2eServiceInstanceId", "e2eServiceInstanceId")
+        currentNSSI.put("operationId", "operationId")
+        currentNSSI.put("operationType", "operationType")
+
+        DoDeallocateCoreNSSI spy = spy(DoDeallocateCoreNSSI.class)
+
+        spy.updateServiceOperationStatus(mockExecution)
+
+    }
+
+
+    @Test
+    void testPrepareRequestDetails() {
+        def currentNSSI = [:]
+
+        when(mockExecution.getVariable("currentNSSI")).thenReturn(currentNSSI)
+
+        ServiceInstance networkServiceInstance = new ServiceInstance()
+        networkServiceInstance.setServiceInstanceId("NS-777")
+        networkServiceInstance.setServiceRole("Network Service")
+        networkServiceInstance.setModelInvariantId("model-invariant-id")
+        networkServiceInstance.setServiceInstanceName("service-instance-name")
+
+        ServiceInstance nssi = new ServiceInstance()
+        nssi.setServiceInstanceId("5G-999")
+        nssi.setOrchestrationStatus("orchestration-status")
+
+        AAIResourceUri networkServiceInstanceUri = AAIUriFactory.createResourceUri(AAIObjectType.SERVICE_INSTANCE, "networkServiceInstance.getServiceInstanceId()")
+
+        AAIResourceUri cloudRegionAAIUri = AAIUriFactory.createResourceUri(AAIObjectType.CLOUD_REGION, "cloud-owner", "cloud-region-id")
+
+        currentNSSI.put("networkServiceInstanceUri", networkServiceInstanceUri)
+
+        currentNSSI.put("networkServiceInstance", networkServiceInstance)
+
+        currentNSSI.put("globalSubscriberId", "globalSubscriberId")
+
+        currentNSSI.put("subscriberName", "subscriber-name")
+
+        currentNSSI.put("serviceId", "service-id")
+
+        currentNSSI.put("nssi", nssi)
+
+        List<SliceProfile> associatedProfiles = new ArrayList<>()
+        SliceProfile sliceProfile1 = new SliceProfile()
+        sliceProfile1.setSNssai("snssai1")
+
+        SliceProfile sliceProfile2 = new SliceProfile()
+        sliceProfile2.setSNssai("snssai2")
+
+        associatedProfiles.add(sliceProfile1)
+        associatedProfiles.add(sliceProfile2)
+
+        List<String> snssais = new ArrayList<>()
+        snssais.add(sliceProfile1.getSNssai())
+        snssais.add(sliceProfile2.getSNssai())
+
+        currentNSSI.put("S-NSSAIs", snssais)
+
+
+        ServiceSubscription serviceSubscription = new ServiceSubscription()
+        serviceSubscription.setServiceType("service-type")
+
+        currentNSSI.put("serviceSubscription", serviceSubscription)
+
+        GenericVnf genericVnf = new GenericVnf()
+        genericVnf.setServiceId("service-id")
+        genericVnf.setVnfName("vnf-name")
+        genericVnf.setModelInvariantId("model-invariant-id")
+        genericVnf.setModelCustomizationId("model-customization-id")
+        genericVnf.setVnfName("vnf-name")
+        genericVnf.setVnfId("vnf-id")
+
+        VfModule vfModule = new VfModule()
+        vfModule.setModelInvariantId("model-invariant-id")
+        vfModule.setModelCustomizationId("model-customization-id")
+        vfModule.setModelVersionId("model-version-id")
+        vfModule.setVfModuleName("vf-module-name")
+
+        VfModules vfModules = new VfModules()
+        vfModules.getVfModule().add(vfModule)
+        genericVnf.setVfModules(vfModules)
+
+        currentNSSI.put("constituteVnf", genericVnf)
+
+        AAIResourceUri constituteVNFURI = AAIUriFactory.createResourceUri(AAIObjectType.GENERIC_VNF, genericVnf.getVnfId())
+
+        currentNSSI.put("constituteVnfUri", constituteVNFURI)
+
+        DoDeallocateCoreNSSI spy = spy(DoDeallocateCoreNSSI.class)
+
+        when(spy.getAAIClient()).thenReturn(client)
+
+        prepareModelVer(networkServiceInstance)
+
+        //prepareSubscriberInfo(networkServiceInstanceUri)
+
+        prepareCloudConfiguration(constituteVNFURI, cloudRegionAAIUri)
+
+        prepareModelVer(genericVnf)
+
+        prepareModelVer(vfModule)
+
+        prepareOwningEntity(networkServiceInstanceUri)
+
+        prepareProject(cloudRegionAAIUri)
+
+        String requestDetails = spy.prepareRequestDetails(mockExecution)
+
+    }
+
+
+    void prepareProject(AAIResourceUri cloudRegionAAIUri) {
+        Project project = new Project()
+        project.setProjectName("project-name")
+
+        AAIResultWrapper wrapperMock = mock(AAIResultWrapper.class)
+        Relationships rsMock = mock(Relationships.class)
+        Optional<Relationships> orsMock = Optional.of(rsMock)
+
+        when(client.get(cloudRegionAAIUri)).thenReturn(wrapperMock)
+        when(wrapperMock.getRelationships()).thenReturn(orsMock)
+
+        List<AAIResourceUri> arus = new ArrayList<>()
+        AAIResourceUri aru = new AAISimpleUri(cloudRegionAAIUri)
+        arus.add(aru)
+
+        when(rsMock.getRelatedAAIUris(AAIObjectType.PROJECT)).thenReturn(arus)
+
+        Optional<Project> projectOpt = Optional.of(project)
+
+        when(client.get(Project.class, aru)).thenReturn(projectOpt)
+    }
+
+
+    void prepareOwningEntity(AAIResourceUri networkServiceInstanceUri) {
+        OwningEntity owningEntity = new OwningEntity()
+
+        owningEntity.setOwningEntityId("owning-entity-id")
+        owningEntity.setOwningEntityName("owning-entity-name")
+
+        AAIResultWrapper wrapperMock = mock(AAIResultWrapper.class)
+
+        Relationships rsMock = mock(Relationships.class)
+        Optional<Relationships> orsMock = Optional.of(rsMock)
+
+        when(client.get(networkServiceInstanceUri)).thenReturn(wrapperMock)
+        when(wrapperMock.getRelationships()).thenReturn(orsMock)
+
+        List<AAIResourceUri> arus = new ArrayList<>()
+        AAIResourceUri aru = new AAISimpleUri(networkServiceInstanceUri)
+        arus.add(aru)
+
+        when(rsMock.getRelatedAAIUris(AAIObjectType.OWNING_ENTITY)).thenReturn(arus)
+
+        Optional<OwningEntity> owningEntityOpt = Optional.of(owningEntity)
+
+        when(client.get(OwningEntity.class, aru)).thenReturn(owningEntityOpt)
+    }
+
+
+
+    void prepareCloudConfiguration(AAIResourceUri constituteVNFURI, cloudRegionAAIUri) {
+        AAIResultWrapper wrapperMock = mock(AAIResultWrapper.class)
+
+        Relationships rsMock = mock(Relationships.class)
+        Optional<Relationships> orsMock = Optional.of(rsMock)
+
+        when(client.get(constituteVNFURI)).thenReturn(wrapperMock)
+        when(wrapperMock.getRelationships()).thenReturn(orsMock)
+
+        List<AAIResourceUri> arus = new ArrayList<>()
+        AAIResourceUri aru = new AAISimpleUri(cloudRegionAAIUri)
+        arus.add(aru)
+
+        when(rsMock.getRelatedAAIUris(AAIObjectType.CLOUD_REGION)).thenReturn(arus)
+
+        CloudRegion cloudRegion = new CloudRegion()
+        cloudRegion.setCloudRegionId("cloud-region-id")
+        cloudRegion.setCloudOwner("cloud-owner")
+        Tenant tenant = new Tenant()
+        tenant.setTenantId("tenant-id")
+
+        Tenants tenants = new Tenants()
+        tenants.getTenant().add(tenant)
+        cloudRegion.setTenants(tenants)
+        Optional<CloudRegion> cloudRegionOpt = Optional.of(cloudRegion)
+
+        when(client.get(CloudRegion.class, aru)).thenReturn(cloudRegionOpt)
+    }
+
+
+    void prepareSubscriberInfo( AAIResourceUri networkServiceInstanceUri) {
+        AAIResultWrapper wrapperMock = mock(AAIResultWrapper.class)
+
+        Relationships rsMock = mock(Relationships.class)
+        Optional<Relationships> orsMock = Optional.of(rsMock)
+
+        when(client.get(networkServiceInstanceUri)).thenReturn(wrapperMock)
+        when(wrapperMock.getRelationships()).thenReturn(orsMock)
+
+        AAIResourceUri serviceSubscriptionUri = AAIUriFactory.createResourceUri(AAIObjectType.SERVICE_SUBSCRIPTION, "global-customer-id", "service-type")
+
+        AAIResourceUri customerUri = AAIUriFactory.createResourceUri(AAIObjectType.CUSTOMER, "global-customer-id")
+        List<AAIResourceUri> arus = new ArrayList<>()
+
+        arus.add(serviceSubscriptionUri)
+
+        when(rsMock.getRelatedAAIUris(AAIObjectType.SERVICE_SUBSCRIPTION)).thenReturn(arus)
+
+        ServiceSubscription serviceSubscription = new ServiceSubscription()
+        serviceSubscription.setServiceType("service-type")
+        Optional<ServiceSubscription> serviceSubscriptionOpt = Optional.of(serviceSubscription)
+
+        when(client.get(ServiceSubscription.class, serviceSubscriptionUri)).thenReturn(serviceSubscriptionOpt)
+
+        when(client.get(networkServiceInstanceUri)).thenReturn(wrapperMock)
+
+        when(rsMock.getRelatedAAIUris(AAIObjectType.CUSTOMER)).thenReturn(arus)
+
+        Customer customer = new Customer()
+        customer.setSubscriberName("subscriber-name")
+        Optional<Customer> customerOpt = Optional.of(customer)
+
+        when(client.get(Customer.class, customerUri)).thenReturn(customerOpt)
+    }
+
+
+    void prepareModelVer(ServiceInstance networkServiceInstance) {
+        ModelVer modelVer = new ModelVer()
+        modelVer.setModelVersionId("model-version-id")
+        modelVer.setModelName("model-name")
+        modelVer.setModelVersion("model-version")
+
+        Optional<ModelVer> modelVerOpt = Optional.of(modelVer)
+
+        AAIResourceUri modelVerUrl = AAIUriFactory.createResourceUri(AAIObjectType.MODEL_VER, networkServiceInstance.getModelInvariantId(), networkServiceInstance.getModelVersionId())
+        when(client.get(ModelVer.class, modelVerUrl)).thenReturn(modelVerOpt)
+    }
+
+    void prepareModelVer(GenericVnf genericVnf) {
+        ModelVer modelVer = new ModelVer()
+        modelVer.setModelVersionId("model-version-id")
+        modelVer.setModelName("model-name")
+        modelVer.setModelVersion("model-version")
+
+        Optional<ModelVer> modelVerOpt = Optional.of(modelVer)
+
+        AAIResourceUri modelVerUrl = AAIUriFactory.createResourceUri(AAIObjectType.MODEL_VER, genericVnf.getModelInvariantId(), genericVnf.getModelVersionId())
+        when(client.get(ModelVer.class, modelVerUrl)).thenReturn(modelVerOpt)
+    }
+
+    void prepareModelVer(VfModule vfModule) {
+        ModelVer modelVer = new ModelVer()
+        modelVer.setModelVersionId("model-version-id")
+        modelVer.setModelName("model-name")
+        modelVer.setModelVersion("model-version")
+
+        Optional<ModelVer> modelVerOpt = Optional.of(modelVer)
+
+        AAIResourceUri modelVerUrl = AAIUriFactory.createResourceUri(AAIObjectType.MODEL_VER, vfModule.getModelInvariantId(), vfModule.getModelVersionId())
+        when(client.get(ModelVer.class, modelVerUrl)).thenReturn(modelVerOpt)
+    }
+
+}