models-sim/policy-models-sim-pdp/src/test/java/org/onap/policy/models/sim/pdp/comm/TestPdpStateChangeListener.java

   1 /*-
   2  * ============LICENSE_START=======================================================
   3  *  Copyright (C) 2019 Nordix Foundation.
   4  *  Modifications Copyright (C) 2019 AT&T Intellectual Property. All rights reserved.
   5  * ================================================================================
   6  * Licensed under the Apache License, Version 2.0 (the "License");
   7  * you may not use this file except in compliance with the License.
   8  * You may obtain a copy of the License at
   9  *
  10  *      http://www.apache.org/licenses/LICENSE-2.0
  11  *
  12  * Unless required by applicable law or agreed to in writing, software
  13  * distributed under the License is distributed on an "AS IS" BASIS,
  14  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  15  * See the License for the specific language governing permissions and
  16  * limitations under the License.
  17  *
  18  * SPDX-License-Identifier: Apache-2.0
  19  * ============LICENSE_END=========================================================
  20  */
  21
  22 package org.onap.policy.models.sim.pdp.comm;
  23
  24 import static org.junit.Assert.assertEquals;
  25
  26 import java.io.IOException;
  27 import java.nio.charset.StandardCharsets;
  28 import java.nio.file.Files;
  29 import java.nio.file.Paths;
  30 import java.util.ArrayList;
  31 import java.util.LinkedHashMap;
  32 import java.util.List;
  33 import java.util.Map;
  34 import org.junit.After;
  35 import org.junit.Before;
  36 import org.junit.Test;
  37 import org.onap.policy.common.endpoints.event.comm.Topic.CommInfrastructure;
  38 import org.onap.policy.common.utils.services.Registry;
  39 import org.onap.policy.models.pdp.concepts.PdpStateChange;
  40 import org.onap.policy.models.pdp.concepts.PdpStatus;
  41 import org.onap.policy.models.pdp.concepts.PdpUpdate;
  42 import org.onap.policy.models.pdp.enums.PdpState;
  43 import org.onap.policy.models.sim.pdp.PdpSimulatorActivator;
  44 import org.onap.policy.models.sim.pdp.PdpSimulatorCommandLineArguments;
  45 import org.onap.policy.models.sim.pdp.PdpSimulatorConstants;
  46 import org.onap.policy.models.sim.pdp.parameters.PdpSimulatorParameterGroup;
  47 import org.onap.policy.models.sim.pdp.parameters.PdpSimulatorParameterHandler;
  48 import org.onap.policy.models.tosca.authorative.concepts.ToscaPolicy;
  49
  50 /**
  51  * Class to perform unit test of {@link PdpStateChangeListener}.
  52  *
  53  * @author Ajith Sreekumar (ajith.sreekumar@est.tech)
  54  */
  55 public class TestPdpStateChangeListener {
  56     private static final String PDP_SUBGROUP = "pdpSubgroup";
  57     private static final String PDP_GROUP = "pdpGroup";
  58     private PdpUpdateListener pdpUpdateMessageListener;
  59     private PdpStateChangeListener pdpStateChangeListener;
  60     private static final CommInfrastructure INFRA = CommInfrastructure.NOOP;
  61     private static final String TOPIC = "my-topic";
  62     private PdpSimulatorActivator activator;
  63
  64     /**
  65      * Method for setup before each test.
  66      *
  67      * @throws Exception if an error occurs
  68      */
  69     @Before
  70     public void setUp() throws Exception {
  71         pdpUpdateMessageListener = new PdpUpdateListener();
  72         pdpStateChangeListener = new PdpStateChangeListener();
  73         Registry.newRegistry();
  74         final String[] pdpSimulatorConfigParameters = { "-c", "src/test/resources/PdpSimulatorConfigParameters.json" };
  75         final PdpSimulatorCommandLineArguments arguments = new PdpSimulatorCommandLineArguments();
  76         PdpSimulatorParameterGroup pdpSimulatorParameterGroup;
  77         // The arguments return a string if there is a message to print and we should
  78         // exit
  79         final String argumentMessage = arguments.parse(pdpSimulatorConfigParameters);
  80         if (argumentMessage != null) {
  81             return;
  82         }
  83         // Validate that the arguments are sane
  84         arguments.validate();
  85
  86         // Read the parameters
  87         pdpSimulatorParameterGroup = new PdpSimulatorParameterHandler().getParameters(arguments);
  88
  89         activator = new PdpSimulatorActivator(pdpSimulatorParameterGroup);
  90         Registry.register(PdpSimulatorConstants.REG_PDP_SIMULATOR_ACTIVATOR, activator);
  91         activator.initialize();
  92     }
  93
  94     /**
  95      * Method for cleanup after each test.
  96      *
  97      * @throws Exception if an error occurs
  98      */
  99     @After
 100     public void teardown() throws Exception {
 101
 102         // clear the pdp simulator activator
 103         if (activator != null && activator.isAlive()) {
 104             activator.terminate();
 105         }
 106     }
 107
 108     /**
 109      * Method to initiate a PdpUpdate.
 110      *
 111      * @param instance the instance id
 112      * @return PdpUpdate the pdp update message
 113      */
 114     private PdpUpdate performPdpUpdate(final String instance) {
 115         final PdpUpdate pdpUpdateMsg = new PdpUpdate();
 116         pdpUpdateMsg.setDescription("dummy pdp status for test");
 117         pdpUpdateMsg.setPdpGroup(PDP_GROUP);
 118         pdpUpdateMsg.setPdpSubgroup(PDP_SUBGROUP);
 119         pdpUpdateMsg.setName(instance);
 120         final ToscaPolicy toscaPolicy = new ToscaPolicy();
 121         toscaPolicy.setType("apexpolicytype");
 122         toscaPolicy.setVersion("1.0");
 123         final Map<String, Object> propertiesMap = new LinkedHashMap<>();
 124
 125         String properties;
 126         try {
 127             properties = new String(Files.readAllBytes(Paths.get("src\\test\\resources\\dummyProperties.json")),
 128                     StandardCharsets.UTF_8);
 129             propertiesMap.put("content", properties);
 130         } catch (final IOException e) {
 131             propertiesMap.put("content", "");
 132         }
 133         toscaPolicy.setProperties(propertiesMap);
 134         final List<ToscaPolicy> toscaPolicies = new ArrayList<>();
 135         toscaPolicies.add(toscaPolicy);
 136         pdpUpdateMsg.setPolicies(toscaPolicies);
 137         pdpUpdateMessageListener.onTopicEvent(INFRA, TOPIC, null, pdpUpdateMsg);
 138         return pdpUpdateMsg;
 139     }
 140
 141     @Test
 142     public void testPdpStateChangeMessageListener_passivetopassive() {
 143         final PdpStatus pdpStatus = Registry.get(PdpSimulatorConstants.REG_PDP_STATUS_OBJECT);
 144         performPdpUpdate(pdpStatus.getName());
 145         final PdpStateChange pdpStateChangeMsg = new PdpStateChange();
 146         pdpStateChangeMsg.setState(PdpState.PASSIVE);
 147         pdpStateChangeMsg.setPdpGroup(PDP_GROUP);
 148         pdpStateChangeMsg.setPdpSubgroup(PDP_SUBGROUP);
 149         pdpStateChangeMsg.setName(pdpStatus.getName());
 150         pdpStateChangeListener.onTopicEvent(INFRA, TOPIC, null, pdpStateChangeMsg);
 151
 152         assertEquals(pdpStatus.getState(), pdpStateChangeMsg.getState());
 153     }
 154
 155     @Test
 156     public void testPdpStateChangeMessageListener_activetoactive() {
 157         final PdpStatus pdpStatus = Registry.get(PdpSimulatorConstants.REG_PDP_STATUS_OBJECT);
 158         performPdpUpdate(pdpStatus.getName());
 159         pdpStatus.setState(PdpState.ACTIVE);
 160         final PdpStateChange pdpStateChangeMsg = new PdpStateChange();
 161         pdpStateChangeMsg.setState(PdpState.ACTIVE);
 162         pdpStateChangeMsg.setPdpGroup(PDP_GROUP);
 163         pdpStateChangeMsg.setPdpSubgroup(PDP_SUBGROUP);
 164         pdpStateChangeMsg.setName(pdpStatus.getName());
 165         pdpStateChangeListener.onTopicEvent(INFRA, TOPIC, null, pdpStateChangeMsg);
 166
 167         assertEquals(pdpStatus.getState(), pdpStateChangeMsg.getState());
 168     }
 169 }