Fix pojos and classes with new cps version

- incorporate changes done on pojos and schema rename in cps 3.3.6 which
  affects dmi plugin
- refactor the test cases and naming
- dmi plugin to use the upgraded cps version

Issue-ID: CPS-1828
Change-Id: I98fbb15dac58caac584b9e267be0c1cdc3675b91
Signed-off-by: mpriyank <priyank.maheshwari@est.tech>

4 files changed, 153 insertions, 133 deletions

diff --git a/src/test/groovy/org/onap/cps/ncmp/dmi/notifications/avcsubscription/SubscriptionEventResponseMapperSpec.groovy b/src/test/groovy/org/onap/cps/ncmp/dmi/notifications/avcsubscription/SubscriptionEventResponseMapperSpec.groovy
deleted file mode 100644
index d7b43aac..00000000
--- a/src/test/groovy/org/onap/cps/ncmp/dmi/notifications/avcsubscription/SubscriptionEventResponseMapperSpec.groovy
+++ /dev/null
@@ -1,107 +0,0 @@
-/*
- * ============LICENSE_START=======================================================
- *  Copyright (C) 2023 Nordix Foundation
- *  ================================================================================
- *  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.
- *
- *  SPDX-License-Identifier: Apache-2.0
- *  ============LICENSE_END=========================================================
- */
-
-package org.onap.cps.ncmp.dmi.notifications.avcsubscription
-
-import com.fasterxml.jackson.databind.ObjectMapper
-import io.cloudevents.core.builder.CloudEventBuilder
-import org.onap.cps.ncmp.dmi.TestUtils
-import org.onap.cps.ncmp.dmi.exception.CloudEventConstructionException
-import org.onap.cps.ncmp.events.avcsubscription1_0_0.dmi_to_ncmp.Data
-import org.onap.cps.ncmp.events.avcsubscription1_0_0.dmi_to_ncmp.SubscriptionEventResponse
-import org.onap.cps.ncmp.events.avcsubscription1_0_0.dmi_to_ncmp.SubscriptionStatus
-import org.onap.cps.ncmp.events.avcsubscription1_0_0.ncmp_to_dmi.CmHandle
-import org.onap.cps.ncmp.events.avcsubscription1_0_0.ncmp_to_dmi.SubscriptionEvent
-import org.spockframework.spring.SpringBean
-import org.springframework.beans.factory.annotation.Autowired
-import org.springframework.boot.test.context.SpringBootTest
-import spock.lang.Specification
-
-@SpringBootTest(classes = [ObjectMapper])
-class SubscriptionEventResponseMapperSpec extends Specification {
-
-    @Autowired
-    def objectMapper = new ObjectMapper()
-
-    @SpringBean
-    SubscriptionEventResponseMapper objectUnderTest = new SubscriptionEventResponseMapper()
-
-    def 'Convert a SubscriptionResponseEvent to CloudEvent successfully.'() {
-        given: 'a SubscriptionResponseEvent and an event key'
-            def dmiName = 'test-ncmp-dmi'
-            def responseStatus = SubscriptionStatus.Status.ACCEPTED
-            def subscriptionStatuses = [new SubscriptionStatus(id: 'CmHandle1', status: responseStatus),
-                                        new SubscriptionStatus(id: 'CmHandle2', status: responseStatus)]
-            def subscriptionEventResponseData = new Data(subscriptionName: 'cm-subscription-001',
-                    clientId: 'SCO-9989752', dmiName: 'ncmp-dmi-plugin', subscriptionStatus: subscriptionStatuses)
-            def subscriptionEventResponse =
-                    new SubscriptionEventResponse().withData(subscriptionEventResponseData)
-        when: 'a SubscriptionResponseEvent is converted'
-            def result = objectUnderTest.toCloudEvent(subscriptionEventResponse,"subscriptionCreatedStatus", dmiName)
-        then: 'SubscriptionResponseEvent is converted as expected'
-            def expectedCloudEvent = CloudEventBuilder.v1().withId(UUID.randomUUID().toString()).withSource(URI.create('test-ncmp-dmi'))
-                .withType("subscriptionCreated")
-                .withDataSchema(URI.create("urn:cps:" + SubscriptionEventResponse.class.getName() + ":1.0.0"))
-                .withExtension("correlationid", subscriptionEventResponse.getData().getClientId() + ":"
-                        + subscriptionEventResponse.getData().getSubscriptionName())
-                .withData(objectMapper.writeValueAsBytes(subscriptionEventResponse)).build()
-            assert expectedCloudEvent.data == result.data
-    }
-
-    def 'Map the Cloud Event to data of the subscription event with incorrect content causes an exception'() {
-        given: 'an empty subscription response event and event key'
-            def dmiName = 'test-ncmp-dmi'
-            def testSubscriptionEventResponse = new SubscriptionEventResponse()
-        when: 'the subscription response event map to data of cloud event'
-            objectUnderTest.toCloudEvent(testSubscriptionEventResponse, "subscriptionCreatedStatus", dmiName)
-        then: 'a run time exception is thrown'
-           thrown(CloudEventConstructionException)
-    }
-
-    def 'Convert a CloudEvent to SubscriptionEvent.'() {
-        given: 'a CloudEvent'
-            def eventKey = UUID.randomUUID().toString()
-            def jsonData = TestUtils.getResourceFileContent('avcSubscriptionCreationEvent.json')
-            def subscriptionEvent = objectMapper.readValue(jsonData, SubscriptionEvent.class)
-            def cloudEvent = CloudEventBuilder.v1().withId(UUID.randomUUID().toString()).withSource(URI.create('test-ncmp-dmi'))
-                    .withType("subscriptionCreated")
-                    .withDataSchema(URI.create("urn:cps:" + SubscriptionEvent.class.getName() + ":1.0.0"))
-                    .withExtension("correlationid", eventKey)
-                    .withData(objectMapper.writeValueAsBytes(subscriptionEvent)).build()
-        when: 'a SubscriptionEvent is formed'
-            def result = objectUnderTest.toSubscriptionEvent(cloudEvent)
-        then: 'Confirm SubscriptionEvent was formed as expected'
-            assert result == subscriptionEvent
-    }
-
-    def 'Convert a CloudEvent with Null data to SubscriptionEvent.'() {
-        given: 'a CloudEvent with null data'
-            def eventKey = UUID.randomUUID().toString()
-            def cloudEvent = CloudEventBuilder.v1().withId(UUID.randomUUID().toString()).withSource(URI.create('test-ncmp-dmi'))
-                    .withType("subscriptionCreated")
-                    .withDataSchema(URI.create("urn:cps:" + SubscriptionEvent.class.getName() + ":1.0.0"))
-                    .withExtension("correlationid", eventKey)
-                    .withData(null).build()
-        when: 'a SubscriptionEvent is formed'
-            def result = objectUnderTest.toSubscriptionEvent(cloudEvent)
-        then: 'Confirm SubscriptionEventResponse was formed as expected'
-            assert result == null
-    }
-}
\ No newline at end of file
diff --git a/src/test/groovy/org/onap/cps/ncmp/dmi/notifications/avcsubscription/SubscriptionEventConsumerSpec.groovy b/src/test/groovy/org/onap/cps/ncmp/dmi/notifications/cmsubscription/CmSubscriptionDmiInEventConsumerSpec.groovy
index 8382f67f..bf15f00c 100644
--- a/src/test/groovy/org/onap/cps/ncmp/dmi/notifications/avcsubscription/SubscriptionEventConsumerSpec.groovy
+++ b/src/test/groovy/org/onap/cps/ncmp/dmi/notifications/cmsubscription/CmSubscriptionDmiInEventConsumerSpec.groovy
@@ -18,7 +18,7 @@
  *  ============LICENSE_END=========================================================
  */
 
-package org.onap.cps.ncmp.dmi.notifications.avcsubscription
+package org.onap.cps.ncmp.dmi.notifications.cmsubscription
 
 import com.fasterxml.jackson.databind.ObjectMapper
 import io.cloudevents.CloudEvent
@@ -26,11 +26,11 @@ import io.cloudevents.core.builder.CloudEventBuilder
 import org.apache.kafka.clients.consumer.ConsumerRecord
 import org.onap.cps.ncmp.dmi.TestUtils
 import org.onap.cps.ncmp.dmi.api.kafka.MessagingBaseSpec
-import org.onap.cps.ncmp.events.avcsubscription1_0_0.ncmp_to_dmi.CmHandle
-import org.onap.cps.ncmp.events.avcsubscription1_0_0.ncmp_to_dmi.SubscriptionEvent
-import org.onap.cps.ncmp.events.avcsubscription1_0_0.dmi_to_ncmp.Data
-import org.onap.cps.ncmp.events.avcsubscription1_0_0.dmi_to_ncmp.SubscriptionEventResponse
-import org.onap.cps.ncmp.events.avcsubscription1_0_0.dmi_to_ncmp.SubscriptionStatus
+import org.onap.cps.ncmp.events.cmsubscription1_0_0.dmi_to_ncmp.CmSubscriptionDmiOutEvent
+import org.onap.cps.ncmp.events.cmsubscription1_0_0.dmi_to_ncmp.Data
+import org.onap.cps.ncmp.events.cmsubscription1_0_0.dmi_to_ncmp.SubscriptionStatus
+import org.onap.cps.ncmp.events.cmsubscription1_0_0.ncmp_to_dmi.CmHandle
+import org.onap.cps.ncmp.events.cmsubscription1_0_0.ncmp_to_dmi.CmSubscriptionDmiInEvent
 import org.spockframework.spring.SpringBean
 import org.springframework.boot.test.context.SpringBootTest
 import org.springframework.test.annotation.DirtiesContext
@@ -41,16 +41,16 @@ import java.time.Duration
 import java.time.OffsetDateTime
 import java.time.ZoneId
 
-@SpringBootTest(classes = [SubscriptionEventConsumer])
+@SpringBootTest(classes = [CmSubscriptionDmiInEventConsumer])
 @Testcontainers
 @DirtiesContext
-class SubscriptionEventConsumerSpec extends MessagingBaseSpec {
+class CmSubscriptionDmiInEventConsumerSpec extends MessagingBaseSpec {
 
     def objectMapper = new ObjectMapper()
     def testTopic = 'dmi-ncmp-cm-avc-subscription'
 
     @SpringBean
-    SubscriptionEventConsumer objectUnderTest = new SubscriptionEventConsumer(cloudEventKafkaTemplate)
+    CmSubscriptionDmiInEventConsumer objectUnderTest = new CmSubscriptionDmiInEventConsumer(cloudEventKafkaTemplate)
 
     def 'Sends subscription cloud event response successfully.'() {
         given: 'an subscription event response'
@@ -59,15 +59,15 @@ class SubscriptionEventConsumerSpec extends MessagingBaseSpec {
             def responseStatus = SubscriptionStatus.Status.ACCEPTED
             def subscriptionStatuses = [new SubscriptionStatus(id: 'CmHandle1', status: responseStatus),
                                         new SubscriptionStatus(id: 'CmHandle2', status: responseStatus)]
-            def subscriptionEventResponseData = new Data(subscriptionName: 'cm-subscription-001',
+            def cmSubscriptionDmiOutEventData = new Data(subscriptionName: 'cm-subscription-001',
                 clientId: 'SCO-9989752', dmiName: 'ncmp-dmi-plugin', subscriptionStatus: subscriptionStatuses)
             def subscriptionEventResponse =
-                    new SubscriptionEventResponse().withData(subscriptionEventResponseData)
+                new CmSubscriptionDmiOutEvent().withData(cmSubscriptionDmiOutEventData)
         and: 'consumer has a subscription'
             kafkaConsumer.subscribe([testTopic] as List<String>)
         when: 'an event is published'
             def eventKey = UUID.randomUUID().toString()
-            objectUnderTest.sendSubscriptionResponseMessage(eventKey, "subscriptionCreatedStatus", subscriptionEventResponse)
+            objectUnderTest.sendCmSubscriptionDmiOutEvent(eventKey, "subscriptionCreatedStatus", subscriptionEventResponse)
         and: 'topic is polled'
             def records = kafkaConsumer.poll(Duration.ofMillis(1500))
         then: 'poll returns one record'
@@ -85,17 +85,17 @@ class SubscriptionEventConsumerSpec extends MessagingBaseSpec {
             def eventKey = UUID.randomUUID().toString()
             def timestamp = new Timestamp(1679521929511)
             def jsonData = TestUtils.getResourceFileContent('avcSubscriptionCreationEvent.json')
-            def subscriptionEvent = objectMapper.readValue(jsonData, SubscriptionEvent.class)
+            def subscriptionEvent = objectMapper.readValue(jsonData, CmSubscriptionDmiInEvent.class)
             objectUnderTest.cmAvcSubscriptionResponseTopic = testTopic
             def cloudEvent = CloudEventBuilder.v1().withId(UUID.randomUUID().toString()).withSource(URI.create('test-ncmp-dmi'))
-                    .withType(subscriptionType)
-                    .withDataSchema(URI.create("urn:cps:" + SubscriptionEvent.class.getName() + ":1.0.0"))
-                    .withExtension("correlationid", eventKey)
-                    .withTime(OffsetDateTime.ofInstant(timestamp.toInstant(), ZoneId.of("UTC")))
-                    .withData(objectMapper.writeValueAsBytes(subscriptionEvent)).build()
+                .withType(subscriptionType)
+                .withDataSchema(URI.create("urn:cps:" + CmSubscriptionDmiInEvent.class.getName() + ":1.0.0"))
+                .withExtension("correlationid", eventKey)
+                .withTime(OffsetDateTime.ofInstant(timestamp.toInstant(), ZoneId.of("UTC")))
+                .withData(objectMapper.writeValueAsBytes(subscriptionEvent)).build()
             def testEventSent = new ConsumerRecord<String, CloudEvent>('topic-name', 0, 0, eventKey, cloudEvent)
         when: 'the valid event is consumed'
-            objectUnderTest.consumeSubscriptionEvent(testEventSent)
+            objectUnderTest.consumeCmSubscriptionDmiInEvent(testEventSent)
         then: 'no exception is thrown'
             noExceptionThrown()
         where: 'given #senario'
@@ -112,12 +112,12 @@ class SubscriptionEventConsumerSpec extends MessagingBaseSpec {
             objectUnderTest.cmAvcSubscriptionResponseTopic = testTopic
             def cloudEvent = CloudEventBuilder.v1().withId(UUID.randomUUID().toString()).withSource(URI.create('test-ncmp-dmi'))
                 .withType("subscriptionCreated")
-                .withDataSchema(URI.create("urn:cps:" + SubscriptionEventResponse.class.getName() + ":1.0.0"))
+                .withDataSchema(URI.create("urn:cps:" + CmSubscriptionDmiOutEvent.class.getName() + ":1.0.0"))
                 .withTime(OffsetDateTime.ofInstant(timestamp.toInstant(), ZoneId.of("UTC")))
                 .withExtension("correlationid", eventKey).build()
             def testEventSent = new ConsumerRecord<String, CloudEvent>('topic-name', 0, 0, eventKey, cloudEvent)
         when: 'the invalid event is consumed'
-            objectUnderTest.consumeSubscriptionEvent(testEventSent)
+            objectUnderTest.consumeCmSubscriptionDmiInEvent(testEventSent)
         then: 'no exception is thrown and event is logged'
             noExceptionThrown()
     }
@@ -125,9 +125,9 @@ class SubscriptionEventConsumerSpec extends MessagingBaseSpec {
     def 'Form a SubscriptionEventResponse from a SubscriptionEvent.'() {
         given: 'a SubscriptionEvent'
             def jsonData = TestUtils.getResourceFileContent('avcSubscriptionCreationEvent.json')
-            def subscriptionEvent = objectMapper.readValue(jsonData, SubscriptionEvent.class)
+            def subscriptionEvent = objectMapper.readValue(jsonData, CmSubscriptionDmiInEvent.class)
         when: 'a SubscriptionResponseEvent is formed'
-            def result = objectUnderTest.formSubscriptionEventResponse(subscriptionEvent)
+            def result = objectUnderTest.formCmSubscriptionDmiOutEvent(subscriptionEvent)
         then: 'Confirm SubscriptionEventResponse was formed as expected'
             assert result.data.clientId == "SCO-9989752"
             assert result.data.subscriptionName == "cm-subscription-001"
@@ -136,8 +136,8 @@ class SubscriptionEventConsumerSpec extends MessagingBaseSpec {
     def 'Extract cm handle ids from cm handle successfully.'() {
         given: 'a list of cm handles'
             def cmHandleIds =
-                [new CmHandle(id:'CmHandle1', additionalProperties: ['prop-x':'prop-valuex']),
-                 new CmHandle(id:'CmHandle2', additionalProperties: ['prop-y':'prop-valuey'])]
+                [new CmHandle(id: 'CmHandle1', additionalProperties: ['prop-x': 'prop-valuex']),
+                 new CmHandle(id: 'CmHandle2', additionalProperties: ['prop-y': 'prop-valuey'])]
         when: 'extract the cm handle ids'
             def result = objectUnderTest.extractCmHandleIds(cmHandleIds)
         then: 'cm handle ids are extracted as expected'
@@ -152,7 +152,7 @@ class SubscriptionEventConsumerSpec extends MessagingBaseSpec {
         when: 'populate cm handle id to subscriptionStatus'
             def result = objectUnderTest.populateSubscriptionStatus(cmHandleIds).status
         then: 'cm handle id to subscriptionStatus populated as expected'
-            def expectedStatus = [responseStatus,responseStatus]
+            def expectedStatus = [responseStatus, responseStatus]
             expectedStatus == result
     }
 }
\ No newline at end of file
diff --git a/src/test/groovy/org/onap/cps/ncmp/dmi/notifications/cmsubscription/CmSubscriptionDmiOutEventToCloudEventMapperSpec.groovy b/src/test/groovy/org/onap/cps/ncmp/dmi/notifications/cmsubscription/CmSubscriptionDmiOutEventToCloudEventMapperSpec.groovy
new file mode 100644
index 00000000..4d0363c7
--- /dev/null
+++ b/src/test/groovy/org/onap/cps/ncmp/dmi/notifications/cmsubscription/CmSubscriptionDmiOutEventToCloudEventMapperSpec.groovy
@@ -0,0 +1,73 @@
+/*
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2023 Nordix Foundation
+ *  ================================================================================
+ *  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.
+ *
+ *  SPDX-License-Identifier: Apache-2.0
+ *  ============LICENSE_END=========================================================
+ */
+
+package org.onap.cps.ncmp.dmi.notifications.cmsubscription
+
+import com.fasterxml.jackson.databind.ObjectMapper
+import io.cloudevents.core.builder.CloudEventBuilder
+import org.onap.cps.ncmp.dmi.exception.CloudEventConstructionException
+import org.onap.cps.ncmp.events.cmsubscription1_0_0.dmi_to_ncmp.CmSubscriptionDmiOutEvent
+import org.onap.cps.ncmp.events.cmsubscription1_0_0.dmi_to_ncmp.Data
+import org.onap.cps.ncmp.events.cmsubscription1_0_0.dmi_to_ncmp.SubscriptionStatus
+import org.spockframework.spring.SpringBean
+import org.springframework.beans.factory.annotation.Autowired
+import org.springframework.boot.test.context.SpringBootTest
+import spock.lang.Specification
+
+@SpringBootTest(classes = [ObjectMapper])
+class CmSubscriptionDmiOutEventToCloudEventMapperSpec extends Specification {
+
+    @Autowired
+    def objectMapper = new ObjectMapper()
+
+    @SpringBean
+    CmSubscriptionDmiOutEventToCloudEventMapper objectUnderTest = new CmSubscriptionDmiOutEventToCloudEventMapper()
+
+    def 'Convert a Cm Subscription DMI Out Event to CloudEvent successfully.'() {
+        given: 'a Cm Subscription DMI Out Event and an event key'
+            def dmiName = 'test-ncmp-dmi'
+            def responseStatus = SubscriptionStatus.Status.ACCEPTED
+            def subscriptionStatuses = [new SubscriptionStatus(id: 'CmHandle1', status: responseStatus),
+                                        new SubscriptionStatus(id: 'CmHandle2', status: responseStatus)]
+            def cmSubscriptionDmiOutEventData = new Data(subscriptionName: 'cm-subscription-001',
+                clientId: 'SCO-9989752', dmiName: 'ncmp-dmi-plugin', subscriptionStatus: subscriptionStatuses)
+            def cmSubscriptionDmiOutEvent =
+                new CmSubscriptionDmiOutEvent().withData(cmSubscriptionDmiOutEventData)
+        when: 'a Cm Subscription DMI Out Event is converted'
+            def result = objectUnderTest.toCloudEvent(cmSubscriptionDmiOutEvent, "subscriptionCreatedStatus", dmiName)
+        then: 'Cm Subscription DMI Out Event is converted as expected'
+            def expectedCloudEvent = CloudEventBuilder.v1().withId(UUID.randomUUID().toString()).withSource(URI.create('test-ncmp-dmi'))
+                .withType("subscriptionCreated")
+                .withDataSchema(URI.create("urn:cps:" + CmSubscriptionDmiOutEvent.class.getName() + ":1.0.0"))
+                .withExtension("correlationid", cmSubscriptionDmiOutEvent.getData().getClientId() + ":" + cmSubscriptionDmiOutEvent.getData().getSubscriptionName())
+                .withData(objectMapper.writeValueAsBytes(cmSubscriptionDmiOutEvent)).build()
+            assert expectedCloudEvent.data == result.data
+    }
+
+    def 'Map the Cloud Event to data of the subscription event with incorrect content causes an exception'() {
+        given: 'an empty subscription response event and event key'
+            def dmiName = 'test-ncmp-dmi'
+            def cmSubscriptionDmiOutEvent = new CmSubscriptionDmiOutEvent()
+        when: 'the cm subscription dmi out Event map to data of cloud event'
+            objectUnderTest.toCloudEvent(cmSubscriptionDmiOutEvent, "subscriptionCreatedStatus", dmiName)
+        then: 'a run time exception is thrown'
+            thrown(CloudEventConstructionException)
+    }
+}
\ No newline at end of file
diff --git a/src/test/groovy/org/onap/cps/ncmp/dmi/notifications/mapper/CloudEventMapperSpec.groovy b/src/test/groovy/org/onap/cps/ncmp/dmi/notifications/mapper/CloudEventMapperSpec.groovy
new file mode 100644
index 00000000..4e1a7480
--- /dev/null
+++ b/src/test/groovy/org/onap/cps/ncmp/dmi/notifications/mapper/CloudEventMapperSpec.groovy
@@ -0,0 +1,54 @@
+/*
+ * ============LICENSE_START========================================================
+ * Copyright (c) 2023 Nordix Foundation.
+ *  ================================================================================
+ *  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.
+ *
+ *  SPDX-License-Identifier: Apache-2.0
+ *  ============LICENSE_END=========================================================
+ */
+
+package org.onap.cps.ncmp.dmi.notifications.mapper
+
+import com.fasterxml.jackson.databind.ObjectMapper
+import io.cloudevents.core.builder.CloudEventBuilder
+import org.onap.cps.ncmp.events.cmsubscription1_0_0.client_to_ncmp.CmSubscriptionNcmpInEvent
+import org.springframework.beans.factory.annotation.Autowired
+import org.springframework.boot.test.context.SpringBootTest
+import spock.lang.Specification
+
+@SpringBootTest(classes = [ObjectMapper])
+class CloudEventMapperSpec extends Specification {
+
+    @Autowired
+    ObjectMapper objectMapper
+
+    def 'Cloud event to Target event type when it is #scenario'() {
+        expect: 'Events mapped correctly'
+            assert mappedCloudEvent == (CloudEventMapper.toTargetEvent(testCloudEvent(), targetClass) != null)
+        where: 'below are the scenarios'
+            scenario                | targetClass                     || mappedCloudEvent
+            'valid concrete type'   | CmSubscriptionNcmpInEvent.class || true
+            'invalid concrete type' | ArrayList.class                 || false
+    }
+
+    def testCloudEvent() {
+        return CloudEventBuilder.v1().withData(objectMapper.writeValueAsBytes(new CmSubscriptionNcmpInEvent()))
+            .withId("cmhandle1")
+            .withSource(URI.create('test-source'))
+            .withDataSchema(URI.create('test'))
+            .withType('org.onap.cm.events.cm-subscription')
+            .build()
+    }
+}
+