CmSubscription validate datastore

- introduced isValidDatastore to check the incoming datastore against
  the valid datastore for this use case.
- Testware added

Issue-ID: CPS-2059
Change-Id: I2602396fe2f404789fc4e0f01850eeba2a75bd21
Signed-off-by: mpriyank <priyank.maheshwari@est.tech>

3 files changed, 116 insertions, 0 deletions

diff --git a/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/events/cmsubscription/service/CmSubscriptionValidationService.java b/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/events/cmsubscription/service/CmSubscriptionValidationService.java
new file mode 100644
index 000000000..6bf509349
--- /dev/null
+++ b/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/events/cmsubscription/service/CmSubscriptionValidationService.java
@@ -0,0 +1,34 @@
+/*
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2024 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.events.cmsubscription.service;
+
+
+public interface CmSubscriptionValidationService {
+
+    /**
+     * Validate against the allowed datastores.
+     *
+     * @param incomingDatastore Datastore from the incoming CmSubscription event from client
+     * @return true if valid datastore , otherwise false
+     */
+    boolean isValidDataStore(final String incomingDatastore);
+
+}
diff --git a/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/events/cmsubscription/service/CmSubscriptionValidationServiceImpl.java b/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/events/cmsubscription/service/CmSubscriptionValidationServiceImpl.java
new file mode 100644
index 000000000..697366258
--- /dev/null
+++ b/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/events/cmsubscription/service/CmSubscriptionValidationServiceImpl.java
@@ -0,0 +1,43 @@
+/*
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2024 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.events.cmsubscription.service;
+
+import static org.onap.cps.ncmp.api.impl.operations.DatastoreType.PASSTHROUGH_OPERATIONAL;
+import static org.onap.cps.ncmp.api.impl.operations.DatastoreType.PASSTHROUGH_RUNNING;
+
+import java.util.Arrays;
+import java.util.List;
+import org.springframework.stereotype.Service;
+
+@Service
+public class CmSubscriptionValidationServiceImpl implements CmSubscriptionValidationService {
+
+    private static final List<String> validDatastores =
+            Arrays.asList(PASSTHROUGH_RUNNING.getDatastoreName(), PASSTHROUGH_OPERATIONAL.getDatastoreName());
+
+
+    @Override
+    public boolean isValidDataStore(final String incomingDatastore) {
+        return validDatastores.contains(incomingDatastore);
+    }
+
+
+}
diff --git a/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/api/impl/events/cmsubscription/service/CmSubscriptionValidationServiceImplSpec.groovy b/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/api/impl/events/cmsubscription/service/CmSubscriptionValidationServiceImplSpec.groovy
new file mode 100644
index 000000000..e7a696550
--- /dev/null
+++ b/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/api/impl/events/cmsubscription/service/CmSubscriptionValidationServiceImplSpec.groovy
@@ -0,0 +1,39 @@
+/*
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2024 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.events.cmsubscription.service
+
+import spock.lang.Specification
+
+class CmSubscriptionValidationServiceImplSpec extends Specification {
+
+    def objectUnderTest = new CmSubscriptionValidationServiceImpl()
+
+    def 'Validate datastore #datastore for Cm Subscription'() {
+        when: 'we check against incoming datastore'
+            def result = objectUnderTest.isValidDataStore(datastore)
+        then: 'the datastores are validated for the use case'
+            assert result == isValid
+        where: 'following datastores are checked'
+            scenario            | datastore                            || isValid
+            'Valid datastore'   | 'ncmp-datastore:passthrough-running' || true
+            'Invalid datastore' | 'invalid-ds'                         || false
+    }
+}