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 * ============LICENSE_START=======================================================
 * Copyright (c) 2024 Nordix Foundation.
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 *  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,
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 *  See the License for the specific language governing permissions and
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 *  ============LICENSE_END=========================================================
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package org.onap.cps.ncmp.api.impl.events.cmsubscription

import org.onap.cps.ncmp.api.impl.events.cmsubscription.model.DmiCmNotificationSubscriptionPredicate
import org.onap.cps.ncmp.api.impl.events.cmsubscription.service.CmNotificationSubscriptionPersistenceService
import org.onap.cps.ncmp.api.impl.operations.DatastoreType
import spock.lang.Specification

class CmNotificationSubscriptionDeltaSpec extends Specification {

    def mockCmNotificationSubscriptionPersistenceService = Mock(CmNotificationSubscriptionPersistenceService)
    def objectUnderTest = new CmNotificationSubscriptionDelta(mockCmNotificationSubscriptionPersistenceService)

    def 'Find Delta of given list of predicates'() {
        given: 'A list of predicates'
            def predicateList = [new DmiCmNotificationSubscriptionPredicate(['ch-1','ch-2'].toSet(), DatastoreType.PASSTHROUGH_OPERATIONAL, ['a/1/','b/2'].toSet())]
        and: '3 positive responses and 1 negative.'
            mockCmNotificationSubscriptionPersistenceService.isOngoingCmNotificationSubscription(DatastoreType.PASSTHROUGH_OPERATIONAL, 'ch-1', 'a/1/') >>> true
            mockCmNotificationSubscriptionPersistenceService.isOngoingCmNotificationSubscription(DatastoreType.PASSTHROUGH_OPERATIONAL, 'ch-1', 'b/2') >>> true
            mockCmNotificationSubscriptionPersistenceService.isOngoingCmNotificationSubscription(DatastoreType.PASSTHROUGH_OPERATIONAL, 'ch-2', 'a/1/') >>> true
            mockCmNotificationSubscriptionPersistenceService.isOngoingCmNotificationSubscription(DatastoreType.PASSTHROUGH_OPERATIONAL, 'ch-2', 'b/2') >>> false
        when: 'getDelta is called'
            def result = objectUnderTest.getDelta(predicateList)
        then: 'verify correct delta is returned'
            assert result.size() == 1
            assert result[0].targetCmHandleIds[0] == 'ch-2'
            assert result[0].xpaths[0] == 'b/2'

    }

}