Add Notification support in cps core

Add notification support using cloud events

Issue-ID:CPS-2068
Change-Id: I56c34400dc73c71b936a51260efd240223babacd
Signed-off-by: rajesh.kumar <rk00747546@techmahindra.com>

3 files changed, 135 insertions, 4 deletions

diff --git a/cps-service/src/test/groovy/org/onap/cps/api/impl/CpsDataServiceImplSpec.groovy b/cps-service/src/test/groovy/org/onap/cps/api/impl/CpsDataServiceImplSpec.groovy
index b2b2d7d44..fcbfd0561 100644
--- a/cps-service/src/test/groovy/org/onap/cps/api/impl/CpsDataServiceImplSpec.groovy
+++ b/cps-service/src/test/groovy/org/onap/cps/api/impl/CpsDataServiceImplSpec.groovy
@@ -3,7 +3,7 @@
  *  Copyright (C) 2021-2024 Nordix Foundation
  *  Modifications Copyright (C) 2021 Pantheon.tech
  *  Modifications Copyright (C) 2021-2022 Bell Canada.
- *  Modifications Copyright (C) 2022-2023 TechMahindra Ltd.
+ *  Modifications Copyright (C) 2022-2024 TechMahindra Ltd.
  *  Modifications Copyright (C) 2022 Deutsche Telekom AG
  *  Licensed under the Apache License, Version 2.0 (the "License");
  *  you may not use this file except in compliance with the License.
@@ -23,9 +23,13 @@
 
 package org.onap.cps.api.impl
 
+import ch.qos.logback.classic.Level
+import ch.qos.logback.classic.Logger
+import ch.qos.logback.core.read.ListAppender
 import org.onap.cps.TestUtils
 import org.onap.cps.api.CpsAnchorService
 import org.onap.cps.api.CpsDeltaService
+import org.onap.cps.events.CpsDataUpdateEventsService
 import org.onap.cps.spi.CpsDataPersistenceService
 import org.onap.cps.spi.FetchDescendantsOption
 import org.onap.cps.spi.exceptions.ConcurrencyException
@@ -41,6 +45,8 @@ import org.onap.cps.utils.YangParser
 import org.onap.cps.utils.YangParserHelper
 import org.onap.cps.yang.YangTextSchemaSourceSet
 import org.onap.cps.yang.YangTextSchemaSourceSetBuilder
+import org.slf4j.LoggerFactory
+import org.springframework.context.annotation.AnnotationConfigApplicationContext
 import spock.lang.Shared
 import spock.lang.Specification
 import java.time.OffsetDateTime
@@ -52,13 +58,28 @@ class CpsDataServiceImplSpec extends Specification {
     def mockCpsValidator = Mock(CpsValidator)
     def yangParser = new YangParser(new YangParserHelper(), mockYangTextSchemaSourceSetCache)
     def mockCpsDeltaService = Mock(CpsDeltaService);
+    def mockDataUpdateEventsService = Mock(CpsDataUpdateEventsService)
 
-    def objectUnderTest = new CpsDataServiceImpl(mockCpsDataPersistenceService, mockCpsAnchorService, mockCpsValidator, yangParser, mockCpsDeltaService)
+    def objectUnderTest = new CpsDataServiceImpl(mockCpsDataPersistenceService, mockDataUpdateEventsService, mockCpsAnchorService, mockCpsValidator, yangParser, mockCpsDeltaService)
+
+    def logger = (Logger) LoggerFactory.getLogger(objectUnderTest.class)
+    def loggingListAppender
+    def applicationContext = new AnnotationConfigApplicationContext()
 
     def setup() {
         mockCpsAnchorService.getAnchor(dataspaceName, anchorName) >> anchor
         mockCpsAnchorService.getAnchor(dataspaceName, ANCHOR_NAME_1) >> anchor1
         mockCpsAnchorService.getAnchor(dataspaceName, ANCHOR_NAME_2) >> anchor2
+        logger.setLevel(Level.DEBUG)
+        loggingListAppender = new ListAppender()
+        logger.addAppender(loggingListAppender)
+        loggingListAppender.start()
+        applicationContext.refresh()
+    }
+
+    void cleanup() {
+        ((Logger) LoggerFactory.getLogger(CpsDataServiceImpl.class)).detachAndStopAllAppenders()
+        applicationContext.close()
     }
 
     @Shared
@@ -459,6 +480,19 @@ class CpsDataServiceImplSpec extends Specification {
             1 * mockCpsDataPersistenceService.lockAnchor('some-sessionId', 'some-dataspaceName', 'some-anchorName', 250L)
     }
 
+    def 'Exception is thrown while publishing the notification.'(){
+        given: 'schema set for given anchor and dataspace references test-tree model'
+            setupSchemaSetMocks('test-tree.yang')
+        when: 'publisher set to throw an exception'
+            mockDataUpdateEventsService.publishCpsDataUpdateEvent(_, _, _, _) >> { throw new Exception("publishing failed")}
+        and: 'an update event is performed'
+            objectUnderTest.updateNodeLeaves(dataspaceName, anchorName, '/', '{"test-tree": {"branch": []}}', observedTimestamp)
+        then: 'the exception is not bubbled up'
+            noExceptionThrown()
+        and: "the exception message is logged"
+            def logs = loggingListAppender.list.toString()
+            assert logs.contains('Failed to send message to notification service')
+    }
     def setupSchemaSetMocks(String... yangResources) {
         def mockYangTextSchemaSourceSet = Mock(YangTextSchemaSourceSet)
         mockYangTextSchemaSourceSetCache.get(dataspaceName, schemaSetName) >> mockYangTextSchemaSourceSet
diff --git a/cps-service/src/test/groovy/org/onap/cps/api/impl/E2ENetworkSliceSpec.groovy b/cps-service/src/test/groovy/org/onap/cps/api/impl/E2ENetworkSliceSpec.groovy
index 140dfaac9..57f2f8ea7 100755
--- a/cps-service/src/test/groovy/org/onap/cps/api/impl/E2ENetworkSliceSpec.groovy
+++ b/cps-service/src/test/groovy/org/onap/cps/api/impl/E2ENetworkSliceSpec.groovy
@@ -3,7 +3,7 @@
  * Copyright (C) 2021-2024 Nordix Foundation.

  * Modifications Copyright (C) 2021-2022 Bell Canada.

  * Modifications Copyright (C) 2021 Pantheon.tech

- * Modifications Copyright (C) 2022-2023 TechMahindra Ltd.

+ * Modifications Copyright (C) 2022-2024 TechMahindra Ltd.

  * ================================================================================

  * Licensed under the Apache License, Version 2.0 (the "License");

  * you may not use this file except in compliance with the License.

@@ -26,6 +26,7 @@ package org.onap.cps.api.impl
 import org.onap.cps.TestUtils

 import org.onap.cps.api.CpsAnchorService

 import org.onap.cps.api.CpsDeltaService

+import org.onap.cps.events.CpsDataUpdateEventsService

 import org.onap.cps.spi.CpsDataPersistenceService

 import org.onap.cps.spi.CpsModulePersistenceService

 import org.onap.cps.spi.model.Anchor

@@ -50,7 +51,8 @@ class E2ENetworkSliceSpec extends Specification {
     def cpsModuleServiceImpl = new CpsModuleServiceImpl(mockModuleStoreService,

             mockYangTextSchemaSourceSetCache, mockCpsAnchorService, mockCpsValidator,timedYangTextSchemaSourceSetBuilder)

 

-    def cpsDataServiceImpl = new CpsDataServiceImpl(mockDataStoreService, mockCpsAnchorService, mockCpsValidator, yangParser, mockCpsDeltaService)

+    def mockDataUpdateEventsService = Mock(CpsDataUpdateEventsService)

+    def cpsDataServiceImpl = new CpsDataServiceImpl(mockDataStoreService, mockDataUpdateEventsService, mockCpsAnchorService, mockCpsValidator, yangParser, mockCpsDeltaService)

 

     def dataspaceName = 'someDataspace'

     def anchorName = 'someAnchor'

diff --git a/cps-service/src/test/groovy/org/onap/cps/events/CpsDataUpdateEventsServiceSpec.groovy b/cps-service/src/test/groovy/org/onap/cps/events/CpsDataUpdateEventsServiceSpec.groovy
new file mode 100644
index 000000000..81b2bf2c9
--- /dev/null
+++ b/cps-service/src/test/groovy/org/onap/cps/events/CpsDataUpdateEventsServiceSpec.groovy
@@ -0,0 +1,95 @@
+/*
+ * ============LICENSE_START=======================================================
+ * Copyright (C) 2024 TechMahindra Ltd.
+ * ================================================================================
+ * 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.events
+
+import static org.onap.cps.events.model.Data.Operation.CREATE
+import static org.onap.cps.events.model.Data.Operation.DELETE
+import static org.onap.cps.events.model.Data.Operation.UPDATE
+
+import com.fasterxml.jackson.databind.ObjectMapper
+import io.cloudevents.CloudEvent
+import io.cloudevents.core.CloudEventUtils
+import io.cloudevents.jackson.PojoCloudEventDataMapper
+import org.onap.cps.events.model.CpsDataUpdatedEvent
+import org.onap.cps.events.model.Data
+import org.onap.cps.spi.model.Anchor
+import org.onap.cps.utils.JsonObjectMapper
+import org.springframework.test.context.ContextConfiguration
+import spock.lang.Specification
+
+import java.time.OffsetDateTime
+
+@ContextConfiguration(classes = [ObjectMapper, JsonObjectMapper])
+class CpsDataUpdateEventsServiceSpec extends Specification {
+    def mockEventsPublisher = Mock(EventsPublisher)
+    def notificationsEnabled = true
+    def objectMapper = new ObjectMapper();
+
+    def objectUnderTest = new CpsDataUpdateEventsService(mockEventsPublisher)
+
+    def 'Create and Publish cps update event where events are #scenario'() {
+        given: 'an anchor, operation and observed timestamp'
+            def anchor = new Anchor('anchor01', 'dataspace01', 'schema01');
+            def operation = operationInRequest
+            def observedTimestamp = OffsetDateTime.now()
+        and: 'notificationsEnabled is #notificationsEnabled and it will be true as default'
+            objectUnderTest.notificationsEnabled = true
+        when: 'service is called to publish data update event'
+            objectUnderTest.topicName = "cps-core-event"
+            objectUnderTest.publishCpsDataUpdateEvent(anchor, xpath, operation, observedTimestamp)
+        then: 'the event contains the required attributes'
+            1 * mockEventsPublisher.publishCloudEvent('cps-core-event', 'dataspace01:anchor01', _) >> {
+            args ->
+                {
+                    def cpsDataUpdatedEvent = (args[2] as CloudEvent)
+                    assert cpsDataUpdatedEvent.getExtension('correlationid') == 'dataspace01:anchor01'
+                    assert cpsDataUpdatedEvent.type == 'org.onap.cps.events.model.CpsDataUpdatedEvent'
+                    assert cpsDataUpdatedEvent.source.toString() == 'CPS'
+                    def actualEventOperation = CloudEventUtils.mapData(cpsDataUpdatedEvent, PojoCloudEventDataMapper.from(objectMapper, CpsDataUpdatedEvent.class)).getValue().data.operation
+                    assert actualEventOperation == expectedOperation
+                }
+            }
+        where: 'the following values are used'
+        scenario                                   | xpath        | operationInRequest  || expectedOperation
+        'empty xpath'                              | ''           | CREATE              || CREATE
+        'root xpath and create operation'          | '/'          | CREATE              || CREATE
+        'root xpath and update operation'          | '/'          | UPDATE              || UPDATE
+        'root xpath and delete operation'          | '/'          | DELETE              || DELETE
+        'not root xpath and update operation'      | 'test'       | UPDATE              || UPDATE
+        'root node xpath and create operation'     | '/test'      | CREATE              || CREATE
+        'non root node xpath and update operation' | '/test/path' | CREATE              || UPDATE
+        'non root node xpath and delete operation' | '/test/path' | DELETE              || UPDATE
+    }
+
+    def 'publish cps update event when notification service is disabled'() {
+        given: 'an anchor, operation and observed timestamp'
+            def anchor = new Anchor('anchor01', 'dataspace01', 'schema01');
+            def operation = CREATE
+            def observedTimestamp = OffsetDateTime.now()
+        and: 'notificationsEnabled is flase'
+            objectUnderTest.notificationsEnabled = false
+        when: 'service is called to publish data update event'
+            objectUnderTest.topicName = "cps-core-event"
+            objectUnderTest.publishCpsDataUpdateEvent(anchor, '/', operation, observedTimestamp)
+        then: 'the event contains the required attributes'
+            0 * mockEventsPublisher.publishCloudEvent('cps-core-event', 'dataspace01:anchor01', _)
+    }
+}