import static com.fasterxml.jackson.annotation.JsonInclude.Include.NON_NULL;
 
+import com.fasterxml.jackson.annotation.JsonAlias;
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import java.util.Collection;
 @JsonInclude(NON_NULL)
 public class VfModule extends BaseResource implements JobAdapter.AsyncJobRequest {
 
-       @JsonInclude(NON_NULL) private final String volumeGroupInstanceName;
-       @JsonInclude(NON_NULL) private Boolean usePreload;
+       @JsonInclude(NON_NULL) @JsonProperty("volumeGroupName") private final String volumeGroupInstanceName;
+       @JsonInclude(NON_NULL) @JsonProperty("sdncPreLoad") private Boolean usePreload;
        private Map<String, String> supplementaryParams;
 
        @JsonInclude(NON_NULL)
 
        public VfModule(@JsonProperty("modelInfo") ModelInfo modelInfo,
                @JsonProperty("instanceName") String instanceName,
-               @JsonProperty("volumeGroupName") String volumeGroupInstanceName,
+               @JsonProperty("volumeGroupName") @JsonAlias("volumeGroupInstanceName") String volumeGroupInstanceName,
                @JsonProperty("action") String action,
                @JsonProperty("lcpCloudRegionId") String lcpCloudRegionId,
                @JsonProperty("legacyRegion") String legacyRegion,
                @JsonProperty("instanceParams") List<Map<String, String>> instanceParams,
                @JsonProperty("supplementaryFileContent") Map<String, String> supplementaryParams,
                @JsonProperty("rollbackOnFailure") boolean rollbackOnFailure,
-               @JsonProperty("sdncPreLoad") Boolean usePreload,
+               @JsonProperty("sdncPreLoad") @JsonAlias("usePreload") Boolean usePreload,
                @JsonProperty("instanceId") String instanceId,
                @JsonProperty("trackById") String trackById,
                @JsonProperty("isFailed") Boolean isFailed,
 
--- /dev/null
+/*-
+ * ============LICENSE_START=======================================================
+ * VID
+ * ================================================================================
+ * Copyright (C) 2017 - 2019 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.onap.vid.model.serviceInstantiation;
+
+import static java.util.Collections.emptyMap;
+import static net.javacrumbs.jsonunit.JsonMatchers.jsonNodeAbsent;
+import static net.javacrumbs.jsonunit.JsonMatchers.jsonPartEquals;
+import static org.hamcrest.CoreMatchers.either;
+import static org.hamcrest.CoreMatchers.equalTo;
+import static org.hamcrest.CoreMatchers.not;
+import static org.hamcrest.MatcherAssert.assertThat;
+import static org.hamcrest.Matchers.hasItem;
+import static org.hamcrest.Matchers.hasProperty;
+import static org.hamcrest.Matchers.nullValue;
+import static org.hamcrest.Matchers.samePropertyValuesAs;
+import static org.onap.vid.model.Action.Create;
+import static org.onap.vid.testUtils.TestUtils.setStringsInStringProperties;
+import static org.onap.vid.utils.KotlinUtilsKt.JACKSON_OBJECT_MAPPER;
+
+import com.google.common.collect.ImmutableList;
+import com.google.common.collect.ImmutableMap;
+import java.lang.reflect.InvocationTargetException;
+import java.util.Map;
+import org.apache.commons.beanutils.PropertyUtils;
+import org.onap.vid.model.VidNotions;
+import org.onap.vid.model.VidNotions.InstantiationType;
+import org.onap.vid.model.VidNotions.InstantiationUI;
+import org.onap.vid.model.VidNotions.ModelCategory;
+import org.onap.vid.mso.model.ModelInfo;
+import org.testng.annotations.Test;
+
+public class InstantiationModelSerializationTest {
+
+    final ImmutableList<Map<String, String>> instanceParams =
+        ImmutableList.of(
+            ImmutableMap.of("one", "1"),
+            ImmutableMap.of("two", "2")
+        );
+
+    @Test
+    public void serializeAndDeserializeServiceInstantiation() throws Exception {
+
+        ServiceInstantiation serviceInstantiation = new ServiceInstantiation(
+            newModelInfo(),
+            "owningEntityId",
+            "owningEntityName",
+            "projectName",
+            "globalSubscriberId",
+            "subscriberName",
+            "productFamilyId",
+            "instanceName",
+            "subscriptionServiceType",
+            "lcpCloudRegionId",
+            "legacyRegion",
+            "tenantId",
+            "tenantName",
+            "aicZoneId",
+            "aicZoneName",
+            emptyMap(),
+            emptyMap(),
+            emptyMap(),
+            emptyMap(),
+            instanceParams,
+            true,
+            1,
+            true,
+            true,
+            "testApi",
+            "instanceId",
+            "Delete",
+            "trackById",
+            true,
+            "statusMessage",
+            new VidNotions(InstantiationUI.ANY_ALACARTE_WHICH_NOT_EXCLUDED,
+                ModelCategory.INFRASTRUCTURE_VPN,
+                InstantiationUI.INFRASTRUCTURE_VPN,
+                InstantiationType.Macro)
+        );
+
+        verifySerializationAndDeserialization(serviceInstantiation);
+    }
+
+    @Test
+    public void serializeAndDeserializeVnf() throws Exception {
+
+        Vnf vnf = new Vnf(
+            newModelInfo(), "productFamilyId",
+            "instanceName",
+            "Upgrade",
+            "platformName",
+            "lcpCloudRegionId",
+            "legacyRegion",
+            "tenantId",
+            instanceParams,
+            "lineOfBusinessName",
+            true,
+            "instanceId",
+            emptyMap(),
+            "trackById",
+            true,
+            "statusMessage",
+            5);
+
+        verifySerializationAndDeserialization(vnf);
+    }
+
+    @Test
+    public void serializeAndDeserializeVfModule() throws Exception {
+
+        ImmutableMap<String, String> supplementaryParams = ImmutableMap.of(
+            "uno", "1",
+            "dos", "2",
+            "tres", "3"
+        );
+
+        VfModule vfModule = new VfModule(
+            newModelInfo(),
+            "instanceName",
+            "volumeGroupInstanceName",
+            "Delete",
+            "lcpCloudRegionId",
+            "legacyRegion",
+            "tenantId",
+            instanceParams,
+            supplementaryParams,
+            true,
+            true,
+            "instanceId",
+            "trackById",
+            true,
+            "statusMessage",
+            true,
+            true,
+            1);
+
+        verifySerializationAndDeserialization(vfModule);
+    }
+
+    @Test
+    public void VfModule_sdncPreLoad_shouldBeSerializedWithCorrectName() {
+
+        final boolean USE_PRELOAD = true;
+
+        VfModule vfModule = new VfModule(newModelInfo(), null, null, null,
+            null, null, null, null, null, false,
+            /* HERE ====> */ USE_PRELOAD,
+            null, null, null, null, null, null, null);
+
+        assertThat(vfModule, jsonPartEquals("sdncPreLoad", USE_PRELOAD));
+        assertThat(vfModule, jsonNodeAbsent("usePreload"));
+    }
+
+    @Test
+    public void VfModule_volumeGroupName_shouldBeSerializedWithCorrectName() {
+
+        final String VOLUME_GROUP_INSTANCE_NAME = "my volume group name";
+
+        VfModule vfModule = new VfModule(newModelInfo(), null,
+            /* HERE ====> */ VOLUME_GROUP_INSTANCE_NAME,
+            null, null, null, null, null, null,
+            false, null, null, null, null, null,
+            null, null, null);
+
+        assertThat(vfModule, jsonPartEquals("volumeGroupName", VOLUME_GROUP_INSTANCE_NAME));
+        assertThat(vfModule, jsonNodeAbsent("volumeGroupInstanceName"));
+    }
+
+    private ModelInfo newModelInfo() {
+        ModelInfo modelInfo = new ModelInfo();
+        setStringsInStringProperties(modelInfo);
+        return modelInfo;
+    }
+
+    private void verifySerializationAndDeserialization(Object object) throws Exception {
+
+        assertThatAllValuesAreNotDefaultValues(object);
+
+        String valueAsString = JACKSON_OBJECT_MAPPER.writeValueAsString(object);
+        Object objectReconstructed = JACKSON_OBJECT_MAPPER.readValue(valueAsString, object.getClass());
+
+        // verify that all fields' values were reconstructed
+        assertThat(objectReconstructed, samePropertyValuesAs(object));
+    }
+
+    private void assertThatAllValuesAreNotDefaultValues(Object object)
+        throws IllegalAccessException, InvocationTargetException, NoSuchMethodException {
+        assertThat("setup is expected to have no field with a default Java value",
+            PropertyUtils.describe(object).entrySet(),
+            not(hasItem(hasProperty("value",
+                either(nullValue())
+                    .or(equalTo(0))
+                    .or(equalTo(""))
+                    .or(equalTo(false))
+                    .or(equalTo(Create))))));
+    }
+
+}
 
-import ObjectLike = Cypress.ObjectLike;
-
 describe('Drawing Board: Instantiation Templates', function () {
 
   describe('Instantiation templates ', () => {
         assertThatBodyFromDeployRequestEqualsToTemplateFromBackEnd();
       });
 
-      it('View a template’s details as expected', ()=> {
+      it('Given a stored template - when "edit" vnf and vfmodules are opened - then template’s details are visible as expected', ()=> {
 
         loadDrawingBoardWithRecreateMode();
 
         // Then...
-        cy.drawingBoardTreeOpenContextMenuByElementDataTestId("node-21ae311e-432f-4c54-b855-446d0b8ded72-vProbe_NC_VNF 0")
-        .drawingBoardTreeClickOnContextMenuOptionByName('Edit')
+        editNode("node-21ae311e-432f-4c54-b855-446d0b8ded72-vProbe_NC_VNF 0")
         .getElementByDataTestsId("instanceName").should('have.value', 'hvf6arlba007')
         .getElementByDataTestsId("productFamily").should('contain', 'Emanuel')
         .getElementByDataTestsId("tenant").should('contain', 'DN5242-Nov21-T1')
         .checkPlatformValue('xxx1')
          .getElementByDataTestsId("cancelButton").click();
 
-        cy.drawingBoardTreeOpenContextMenuByElementDataTestId("node-c5b26cc1-a66f-4b69-aa23-6abc7c647c88-vprobe_nc_vnf0..VprobeNcVnf..FE_base_module..module-0")
-        .drawingBoardTreeClickOnContextMenuOptionByName('Edit')
+        editNode("node-c5b26cc1-a66f-4b69-aa23-6abc7c647c88-vprobe_nc_vnf0..VprobeNcVnf..FE_base_module..module-0")
         .getElementByDataTestsId("instanceName").should('have.value', 'hvf6arlba007_lba_Base_01')
         .getElementByDataTestsId("lcpRegion").should('contain', 'hvf6')
         .getElementByDataTestsId("tenant").should('contain', 'DN5242-Nov21-T1')
         .getElementByDataTestsId("rollback").should('contain', 'Rollback')
         .getElementByDataTestsId("cancelButton").click();
 
-        cy.drawingBoardTreeOpenContextMenuByElementDataTestId("node-c09e4530-8fd8-418f-9483-2f57ce927b05-vprobe_nc_vnf0..VprobeNcVnf..FE_Add_On_Module_vlbagent_eph..module-1")
-        .drawingBoardTreeClickOnContextMenuOptionByName('Edit')
+        editNode("node-c09e4530-8fd8-418f-9483-2f57ce927b05-vprobe_nc_vnf0..VprobeNcVnf..FE_Add_On_Module_vlbagent_eph..module-1")
+        .getElementByDataTestsId("instanceName").should('have.value', 'my_hvf6arlba007_lba_dj_01')
+        .getElementByDataTestsId("volumeGroupName").should('have.value', 'my_special_hvf6arlba007_lba_dj_01_vol')
         .getElementByDataTestsId("lcpRegion").should('contain', 'hvf6')
         .getElementByDataTestsId("tenant").should('contain', 'DN5242-Nov21-T1')
         .getElementByDataTestsId("rollback").should('contain', 'Rollback')
+        .getElementByDataTestsId("sdncPreLoad").should('have.value', 'on')
         .getElementByDataTestsId("cancelButton").click();
 
 
         assertThatBodyFromDeployRequestEqualsToTemplateFromBackEnd();
         });
 
-      it(`Edit the service`,  function ()  {
+      it(`Given a stored template - when "edit" service is opened - then template’s details are visible as expected`,  function ()  {
 
         loadDrawingBoardWithRecreateMode();
 
         .getElementByDataTestsId("project").should('contain', 'WATKINS')
         .getElementByDataTestsId("rollback").should('contain', 'Rollback');
 
+      });
 
 
 
-      });
       });
     });
   });
   cy.wait('@templateTopology');
 }
 
+function editNode(dataTestId: string) {
+  return cy.drawingBoardTreeOpenContextMenuByElementDataTestId(dataTestId)
+    .drawingBoardTreeClickOnContextMenuOptionByName('Edit')
+}
+
 function assertThatBodyFromDeployRequestEqualsToTemplateFromBackEnd() {
   cy.getDrawingBoardDeployBtn().click();
   cy.wait('@expectedPostAsyncInstantiation').then(xhr => {