src/test/java/org/onap/clamp/loop/PolicyComponentTest.java


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/*-
 * ============LICENSE_START=======================================================
 * ONAP CLAMP
 * ================================================================================
 * Copyright (C) 2019 AT&T Intellectual Property. All rights
 *                             reserved.
 * ================================================================================
 * 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.
 * ============LICENSE_END============================================
 * ===================================================================
 *
 */

package org.onap.clamp.loop;

import static org.assertj.core.api.Assertions.assertThat;

import java.io.IOException;

import org.apache.camel.Exchange;
import org.apache.camel.Message;
import org.junit.Test;
import org.mockito.Mockito;
import org.onap.clamp.loop.components.external.ExternalComponentState;
import org.onap.clamp.loop.components.external.PolicyComponent;


public class PolicyComponentTest {

     /**
     * Test the computeState method. 
     * oldState           newState        expectedFinalState
     * NOT_SENT      SENT_AND_DEPLOYED          NOT_SENT
     * NOT_SENT             SENT                NOT_SENT
     * NOT_SENT           NOT_SENT              NOT_SENT
     * NOT_SENT           IN_ERROR              IN_ERROR
     */
    @Test
    public void computeStateTestOriginalStateNotSent() {
         Exchange exchange = Mockito.mock(Exchange.class);
         Message message = Mockito.mock(Message.class);
         Exchange exchange2 = Mockito.mock(Exchange.class);
         Mockito.when(exchange.getIn()).thenReturn(message);
         Mockito.when(message.getExchange()).thenReturn(exchange2);

         // policy found + deployed 
         Mockito.when(exchange2.getProperty("policyFound")).thenReturn(true);
         Mockito.when(exchange2.getProperty("policyDeployed")).thenReturn(true);

         PolicyComponent policy = new PolicyComponent ();
         ExternalComponentState state = policy.computeState(exchange);

         assertThat(state.getStateName()).isEqualTo("NOT_SENT");

         // policy found + not deployed 
         Mockito.when(exchange2.getProperty("policyFound")).thenReturn(true);
         Mockito.when(exchange2.getProperty("policyDeployed")).thenReturn(false);
         ExternalComponentState state2 = policy.computeState(exchange);

         assertThat(state2.getStateName()).isEqualTo("NOT_SENT");

         // policy not found + not deployed
         Mockito.when(exchange2.getProperty("policyFound")).thenReturn(false);
         Mockito.when(exchange2.getProperty("policyDeployed")).thenReturn(false);
         ExternalComponentState state4 = policy.computeState(exchange);

         assertThat(state4.getStateName()).isEqualTo("NOT_SENT");

         // policy not found + deployed
         Mockito.when(exchange2.getProperty("policyFound")).thenReturn(false);
         Mockito.when(exchange2.getProperty("policyDeployed")).thenReturn(true);
         ExternalComponentState state3 = policy.computeState(exchange);

         assertThat(state3.getStateName()).isEqualTo("IN_ERROR");

    }

    /**
    * Test the computeState method. 
    * oldState           newState        expectedFinalState
    * SENT                 SENT                SENT
    * SENT          SENT_AND_DEPLOYED          SENT
    * SENT              IN_ERROR              IN_ERROR
    * SENT              NOT_SENT              NOT_SENT
    */
    @Test
    public void computeStateTestOriginalStateSent() throws IOException {
         Exchange exchange = Mockito.mock(Exchange.class);
         Message message = Mockito.mock(Message.class);
         Exchange exchange2 = Mockito.mock(Exchange.class);
         Mockito.when(exchange.getIn()).thenReturn(message);
         Mockito.when(message.getExchange()).thenReturn(exchange2);

         PolicyComponent policy = new PolicyComponent ();
         ExternalComponentState SENT = new ExternalComponentState("SENT",
                 "The policies defined have been created but NOT deployed on the policy engine", 50);
         policy.setState(SENT);

         // new policy state SENT 
         Mockito.when(exchange2.getProperty("policyFound")).thenReturn(true);
         Mockito.when(exchange2.getProperty("policyDeployed")).thenReturn(false);
         ExternalComponentState state = policy.computeState(exchange);

         assertThat(state.getStateName()).isEqualTo("SENT");

         // new policy state SENT_AND_DEPLOYED 
         Mockito.when(exchange2.getProperty("policyFound")).thenReturn(true);
         Mockito.when(exchange2.getProperty("policyDeployed")).thenReturn(true);
         ExternalComponentState state2 = policy.computeState(exchange);

         assertThat(state2.getStateName()).isEqualTo("SENT");

         // new policy state IN_ERROR 
         Mockito.when(exchange2.getProperty("policyFound")).thenReturn(false);
         Mockito.when(exchange2.getProperty("policyDeployed")).thenReturn(true);
         ExternalComponentState state3 = policy.computeState(exchange);

         assertThat(state3.getStateName()).isEqualTo("IN_ERROR");

         // new policy state NOT_SENT
         policy.setState(SENT);
         Mockito.when(exchange2.getProperty("policyFound")).thenReturn(false);
         Mockito.when(exchange2.getProperty("policyDeployed")).thenReturn(false);
         ExternalComponentState state4 = policy.computeState(exchange);

         assertThat(state4.getStateName()).isEqualTo("NOT_SENT");
    }

    /**
    * Test the computeState method. 
    * oldState                   newState        expectedFinalState
    * SENT_AND_DEPLOYED     SENT_AND_DEPLOYED    SENT_AND_DEPLOYED
    * SENT_AND_DEPLOYED            SENT                SENT
    * SENT_AND_DEPLOYED          IN_ERROR            IN_ERROR
    * SENT_AND_DEPLOYED          NOT_SENT            NOT_SENT
    */
    @Test
    public void computeStateTestOriginalStateSentAndDeployed() throws IOException {
         Exchange exchange = Mockito.mock(Exchange.class);
         Message message = Mockito.mock(Message.class);
         Exchange exchange2 = Mockito.mock(Exchange.class);
         Mockito.when(exchange.getIn()).thenReturn(message);
         Mockito.when(message.getExchange()).thenReturn(exchange2);

         PolicyComponent policy = new PolicyComponent ();
         ExternalComponentState SENT_AND_DEPLOYED = new ExternalComponentState("SENT_AND_DEPLOYED",
                 "The policies defined have been created and deployed on the policy engine", 10);
         policy.setState(SENT_AND_DEPLOYED);

         // new policy state SENT_AND_DEPLOYED 
         Mockito.when(exchange2.getProperty("policyFound")).thenReturn(true);
         Mockito.when(exchange2.getProperty("policyDeployed")).thenReturn(true);
         ExternalComponentState state = policy.computeState(exchange);

         assertThat(state.getStateName()).isEqualTo("SENT_AND_DEPLOYED");

         // new policy state SENT 
         Mockito.when(exchange2.getProperty("policyFound")).thenReturn(true);
         Mockito.when(exchange2.getProperty("policyDeployed")).thenReturn(false);
         ExternalComponentState state2 = policy.computeState(exchange);

         assertThat(state2.getStateName()).isEqualTo("SENT");

         // new policy state IN_ERROR 
         Mockito.when(exchange2.getProperty("policyFound")).thenReturn(false);
         Mockito.when(exchange2.getProperty("policyDeployed")).thenReturn(true);
         ExternalComponentState state3 = policy.computeState(exchange);

         assertThat(state3.getStateName()).isEqualTo("IN_ERROR");

         // new policy state NOT_SENT
         policy.setState(SENT_AND_DEPLOYED);
         Mockito.when(exchange2.getProperty("policyFound")).thenReturn(false);
         Mockito.when(exchange2.getProperty("policyDeployed")).thenReturn(false);
         ExternalComponentState state4 = policy.computeState(exchange);

         assertThat(state4.getStateName()).isEqualTo("NOT_SENT");
    }

    /**
    * Test the computeState method. 
    * oldState           newState        expectedFinalState
    * IN_ERROR     SENT_AND_DEPLOYED         IN_ERROR
    * IN_ERROR            SENT               IN_ERROR
    * IN_ERROR          IN_ERROR             IN_ERROR
    * IN_ERROR          NOT_SENT             IN_ERROR
    */
    @Test
    public void computeStateTestOriginalStateInError() throws IOException {
         Exchange exchange = Mockito.mock(Exchange.class);
         Message message = Mockito.mock(Message.class);
         Exchange exchange2 = Mockito.mock(Exchange.class);
         Mockito.when(exchange.getIn()).thenReturn(message);
         Mockito.when(message.getExchange()).thenReturn(exchange2);

         PolicyComponent policy = new PolicyComponent ();
         ExternalComponentState IN_ERROR = new ExternalComponentState("IN_ERROR",
                 "There was an error during the sending to policy, the policy engine may be corrupted or inconsistent", 100);
         policy.setState(IN_ERROR);

         // new policy state SENT_AND_DEPLOYED 
         Mockito.when(exchange2.getProperty("policyFound")).thenReturn(true);
         Mockito.when(exchange2.getProperty("policyDeployed")).thenReturn(true);
         ExternalComponentState state = policy.computeState(exchange);

         assertThat(state.getStateName()).isEqualTo("IN_ERROR");

         // new policy state SENT 
         Mockito.when(exchange2.getProperty("policyFound")).thenReturn(true);
         Mockito.when(exchange2.getProperty("policyDeployed")).thenReturn(false);
         ExternalComponentState state2 = policy.computeState(exchange);

         assertThat(state2.getStateName()).isEqualTo("IN_ERROR");

         // new policy state IN_ERROR 
         Mockito.when(exchange2.getProperty("policyFound")).thenReturn(false);
         Mockito.when(exchange2.getProperty("policyDeployed")).thenReturn(true);
         ExternalComponentState state3 = policy.computeState(exchange);

         assertThat(state3.getStateName()).isEqualTo("IN_ERROR");

         // new policy state NOT_SENT
         Mockito.when(exchange2.getProperty("policyFound")).thenReturn(false);
         Mockito.when(exchange2.getProperty("policyDeployed")).thenReturn(false);
         ExternalComponentState state4 = policy.computeState(exchange);

         assertThat(state4.getStateName()).isEqualTo("IN_ERROR");
    }
}