Introduce cmSubscriptionEventCache

- inmemory datastructure to keep track of the ongoing subscriptions
- Test cases to cover cache config and sample data test
- Use of cache will be in other patchsets after this

Issue-ID: CPS-2022
Change-Id: Ic6cd22cceaeacb9c7184f42c1ebfac28303f2c26
Signed-off-by: mpriyank <priyank.maheshwari@est.tech>

1 files changed, 64 insertions, 0 deletions

diff --git a/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/api/impl/config/embeddedcache/CmSubscriptionEventCacheConfigSpec.groovy b/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/api/impl/config/embeddedcache/CmSubscriptionEventCacheConfigSpec.groovy
new file mode 100644
index 0000000000..f1eae14d96
--- /dev/null
+++ b/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/api/impl/config/embeddedcache/CmSubscriptionEventCacheConfigSpec.groovy
@@ -0,0 +1,64 @@
+/*
+ *  ============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.api.impl.config.embeddedcache
+
+import com.hazelcast.core.Hazelcast
+import com.hazelcast.map.IMap
+import org.onap.cps.ncmp.api.impl.events.cmsubscription.model.CmSubscriptionCacheObject
+import org.onap.cps.ncmp.api.impl.events.cmsubscription.model.CmSubscriptionPredicate
+import org.onap.cps.ncmp.api.impl.events.cmsubscription.model.CmSubscriptionStatus
+import org.onap.cps.ncmp.api.impl.events.cmsubscription.model.ScopeFilter
+import org.onap.cps.ncmp.api.impl.operations.DatastoreType
+import org.springframework.beans.factory.annotation.Autowired
+import org.springframework.boot.test.context.SpringBootTest
+import spock.lang.Specification
+
+@SpringBootTest(classes = [CmSubscriptionEventCacheConfig])
+class CmSubscriptionEventCacheConfigSpec extends Specification {
+
+    @Autowired
+    IMap<String, Map<String, CmSubscriptionCacheObject>> cmSubscriptionEventCache;
+
+    def 'Embedded (hazelcast) cache for Cm Subscription Event Cache.'() {
+        expect: 'system is able to create an instance of the Forwarded Subscription Event Cache'
+            assert null != cmSubscriptionEventCache
+        and: 'there is at least 1 instance'
+            assert Hazelcast.allHazelcastInstances.size() > 0
+        and: 'Forwarded Subscription Event Cache is present'
+            assert Hazelcast.allHazelcastInstances.name.contains('hazelCastInstanceCmSubscriptionEvents')
+    }
+
+    def 'Provided CM Subscription data'() {
+        given: 'a cm subscription properties'
+            def subscriptionId = 'sub123'
+            def dmiPluginName = 'dummydmi'
+            def cmSubscriptionPredicate = new CmSubscriptionPredicate(targetFilter: ['cmhandle1', 'cmhandle2'], scopeFilter: new ScopeFilter(datastoreType: DatastoreType.PASSTHROUGH_RUNNING, xpathFilters: ['/a/b/c']))
+            def cmSubscriptionCacheObject = new CmSubscriptionCacheObject(cmSubscriptionPredicates: [cmSubscriptionPredicate] , cmSubscriptionStatus: CmSubscriptionStatus.PENDING)
+        when: 'the cache is populated'
+            cmSubscriptionEventCache.put(subscriptionId, [(dmiPluginName): cmSubscriptionCacheObject])
+        then: 'the values are present in memory'
+            assert cmSubscriptionEventCache.get(subscriptionId) != null
+        and: 'properties match'
+            assert dmiPluginName == cmSubscriptionEventCache.get(subscriptionId).keySet()[0]
+            assert cmSubscriptionCacheObject.cmSubscriptionStatus == cmSubscriptionEventCache.get(subscriptionId).values().cmSubscriptionStatus[0]
+            assert cmSubscriptionCacheObject.cmSubscriptionPredicates[0].targetFilter == cmSubscriptionEventCache.get(subscriptionId).values().cmSubscriptionPredicates[0].targetFilter[0]
+    }
+}