gerrit.onap Code Review - policy/apex-pdp.git/blob

   1 /*-
   2  * ============LICENSE_START=======================================================
   3  *  Copyright (C) 2019-2021 Nordix Foundation.
   4  *  Modifications Copyright (C) 2019 AT&T Intellectual Property. All rights reserved.
   5  *  Modifications Copyright (C) 2020 Bell Canada. All rights reserved.
   6  * ================================================================================
   7  * Licensed under the Apache License, Version 2.0 (the "License");
   8  * you may not use this file except in compliance with the License.
   9  * You may obtain a copy of the License at
  10  *
  11  *      http://www.apache.org/licenses/LICENSE-2.0
  12  *
  13  * Unless required by applicable law or agreed to in writing, software
  14  * distributed under the License is distributed on an "AS IS" BASIS,
  15  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  16  * See the License for the specific language governing permissions and
  17  * limitations under the License.
  18  *
  19  * SPDX-License-Identifier: Apache-2.0
  20  * ============LICENSE_END=========================================================
  21  */
  22
  23 package org.onap.policy.apex.services.onappf.comm;
  24
  25 import static org.assertj.core.api.Assertions.assertThat;
  26 import static org.junit.Assert.assertEquals;
  27 import static org.junit.Assert.assertNotNull;
  28 import static org.junit.Assert.assertTrue;
  29
  30 import java.io.ByteArrayOutputStream;
  31 import java.io.FileNotFoundException;
  32 import java.io.IOException;
  33 import java.io.OutputStream;
  34 import java.io.PrintStream;
  35 import java.util.ArrayList;
  36 import java.util.List;
  37 import org.junit.After;
  38 import org.junit.Before;
  39 import org.junit.Test;
  40 import org.onap.policy.apex.service.engine.main.ApexPolicyStatisticsManager;
  41 import org.onap.policy.apex.services.onappf.ApexStarterActivator;
  42 import org.onap.policy.apex.services.onappf.ApexStarterCommandLineArguments;
  43 import org.onap.policy.apex.services.onappf.ApexStarterConstants;
  44 import org.onap.policy.apex.services.onappf.exception.ApexStarterException;
  45 import org.onap.policy.apex.services.onappf.handler.ApexEngineHandler;
  46 import org.onap.policy.apex.services.onappf.parameters.ApexStarterParameterGroup;
  47 import org.onap.policy.apex.services.onappf.parameters.ApexStarterParameterHandler;
  48 import org.onap.policy.common.endpoints.event.comm.Topic.CommInfrastructure;
  49 import org.onap.policy.common.utils.cmd.CommandLineException;
  50 import org.onap.policy.common.utils.coder.CoderException;
  51 import org.onap.policy.common.utils.services.Registry;
  52 import org.onap.policy.models.pdp.concepts.PdpStateChange;
  53 import org.onap.policy.models.pdp.concepts.PdpStatus;
  54 import org.onap.policy.models.pdp.concepts.PdpUpdate;
  55 import org.onap.policy.models.pdp.enums.PdpState;
  56 import org.onap.policy.models.tosca.authorative.concepts.ToscaPolicy;
  57
  58 /**
  59  * Class to perform unit test of {@link PdpStateChangeListener}.
  60  *
  61  * @author Ajith Sreekumar (ajith.sreekumar@est.tech)
  62  */
  63 public class TestPdpStateChangeListener {
  64     private PdpUpdateListener pdpUpdateMessageListener;
  65     private PdpStateChangeListener pdpStateChangeListener;
  66     private static final CommInfrastructure INFRA = CommInfrastructure.NOOP;
  67     private static final String TOPIC = "my-topic";
  68     private ApexStarterActivator activator;
  69     private ApexEngineHandler apexEngineHandler;
  70     private PrintStream stdout = System.out;
  71
  72     /**
  73      * Method for setup before each test.
  74      *
  75      * @throws ApexStarterException if some error occurs while starting up the apex starter
  76      * @throws FileNotFoundException if the file is missing
  77      * @throws IOException if IO exception occurs
  78      * @throws CommandLineException if any parsing of args has errors
  79      */
  80     @Before
  81     public void setUp() throws ApexStarterException, FileNotFoundException, IOException, CommandLineException {
  82         pdpUpdateMessageListener = new PdpUpdateListener();
  83         pdpStateChangeListener = new PdpStateChangeListener();
  84         Registry.newRegistry();
  85         final String[] apexStarterConfigParameters = {"-c", "src/test/resources/ApexStarterConfigParametersNoop.json"};
  86         final ApexStarterCommandLineArguments arguments = new ApexStarterCommandLineArguments();
  87         ApexStarterParameterGroup parameterGroup;
  88         // The arguments return a string if there is a message to print and we should
  89         // exit
  90         final String argumentMessage = arguments.parse(apexStarterConfigParameters);
  91         if (argumentMessage != null) {
  92             return;
  93         }
  94         // Validate that the arguments are sane
  95         arguments.validate();
  96
  97         // Read the parameters
  98         parameterGroup = new ApexStarterParameterHandler().getParameters(arguments);
  99
 100         activator = new ApexStarterActivator(parameterGroup);
 101         Registry.register(ApexStarterConstants.REG_APEX_STARTER_ACTIVATOR, activator);
 102         Registry.register(ApexPolicyStatisticsManager.REG_APEX_PDP_POLICY_COUNTER, new ApexPolicyStatisticsManager());
 103         activator.initialize();
 104     }
 105
 106     /**
 107      * Method for cleanup after each test.
 108      *
 109      * @throws Exception if an error occurs
 110      */
 111     @After
 112     public void teardown() throws Exception {
 113         System.setOut(stdout);
 114         apexEngineHandler =
 115             Registry.getOrDefault(ApexStarterConstants.REG_APEX_ENGINE_HANDLER, ApexEngineHandler.class, null);
 116         if (null != apexEngineHandler && apexEngineHandler.isApexEngineRunning()) {
 117             apexEngineHandler.shutdown();
 118         }
 119         // clear the apex starter activator
 120         if (activator != null && activator.isAlive()) {
 121             activator.terminate();
 122         }
 123     }
 124
 125     @Test
 126     public void testPdpStateChangeMessageListener_passivetopassive() {
 127         final PdpStatus pdpStatus = Registry.get(ApexStarterConstants.REG_PDP_STATUS_OBJECT);
 128         pdpUpdateMessageListener.onTopicEvent(INFRA, TOPIC, null,
 129             TestListenerUtils.createPdpUpdateMsg(pdpStatus, new ArrayList<>(),
 130                     new ArrayList<>()));
 131         PdpStateChange pdpStateChangeMsg =
 132             TestListenerUtils.createPdpStateChangeMsg(PdpState.PASSIVE, "pdpGroup", "pdpSubgroup", pdpStatus.getName());
 133         pdpStateChangeListener.onTopicEvent(INFRA, TOPIC, null, pdpStateChangeMsg);
 134
 135         assertEquals(pdpStatus.getState(), pdpStateChangeMsg.getState());
 136     }
 137
 138     @Test
 139     public void testPdpStateChangeMessageListener_activetoactive() {
 140         final PdpStatus pdpStatus = Registry.get(ApexStarterConstants.REG_PDP_STATUS_OBJECT);
 141         pdpUpdateMessageListener.onTopicEvent(INFRA, TOPIC, null,
 142             TestListenerUtils.createPdpUpdateMsg(pdpStatus, new ArrayList<>(),
 143                     new ArrayList<>()));
 144         pdpStatus.setState(PdpState.ACTIVE);
 145         PdpStateChange pdpStateChangeMsg =
 146             TestListenerUtils.createPdpStateChangeMsg(PdpState.ACTIVE, "pdpGroup", "pdpSubgroup", pdpStatus.getName());
 147         pdpStateChangeListener.onTopicEvent(INFRA, TOPIC, null, pdpStateChangeMsg);
 148
 149         assertEquals(pdpStatus.getState(), pdpStateChangeMsg.getState());
 150     }
 151
 152     @Test
 153     public void testPdpStateChangeMessageListener() throws InterruptedException, CoderException {
 154         OutputStream outContent = new ByteArrayOutputStream();
 155         System.setOut(new PrintStream(outContent));
 156         final PdpStatus pdpStatus = Registry.get(ApexStarterConstants.REG_PDP_STATUS_OBJECT);
 157         pdpUpdateMessageListener.onTopicEvent(INFRA, TOPIC, null,
 158             TestListenerUtils.createPdpUpdateMsg(pdpStatus, new ArrayList<>(),
 159                     new ArrayList<>()));
 160         PdpStateChange pdpStateChangeMsg =
 161             TestListenerUtils.createPdpStateChangeMsg(PdpState.ACTIVE, "pdpGroup", "pdpSubgroup", pdpStatus.getName());
 162         pdpStateChangeListener.onTopicEvent(INFRA, TOPIC, null, pdpStateChangeMsg);
 163         assertTrue(outContent.toString().contains("State changed to active. No policies found."));
 164
 165         final ToscaPolicy toscaPolicy =
 166             TestListenerUtils.createToscaPolicy("apex_policy_name", "1.0", "src/test/resources/dummyProperties.json");
 167         final List<ToscaPolicy> toscaPolicies = new ArrayList<ToscaPolicy>();
 168         toscaPolicies.add(toscaPolicy);
 169         final PdpUpdate pdpUpdateMsg = TestListenerUtils.createPdpUpdateMsg(pdpStatus, toscaPolicies,
 170                 new ArrayList<>());
 171         pdpUpdateMessageListener.onTopicEvent(INFRA, TOPIC, null, pdpUpdateMsg);
 172         assertThat(outContent.toString()).contains("Apex engine started and policies are running.");
 173         assertEquals(PdpState.ACTIVE, pdpStatus.getState());
 174
 175         final ApexPolicyStatisticsManager policyCounterManager = ApexPolicyStatisticsManager.getInstanceFromRegistry();
 176         assertNotNull(policyCounterManager);
 177         assertEquals(policyCounterManager.getPolicyDeployCount(),
 178                 policyCounterManager.getPolicyDeploySuccessCount() + policyCounterManager.getPolicyDeployFailCount());
 179
 180         apexEngineHandler =
 181                 Registry.getOrDefault(ApexStarterConstants.REG_APEX_ENGINE_HANDLER, ApexEngineHandler.class, null);
 182         assertNotNull(apexEngineHandler);
 183         assertTrue(apexEngineHandler.getEngineStats().size() > 0);
 184     }
 185
 186     @Test
 187     public void testPdpStateChangeMessageListener_activetopassive() throws InterruptedException, CoderException {
 188         final PdpStatus pdpStatus = Registry.get(ApexStarterConstants.REG_PDP_STATUS_OBJECT);
 189         final ToscaPolicy toscaPolicy =
 190             TestListenerUtils.createToscaPolicy("apex_policy_name", "1.0", "src/test/resources/dummyProperties.json");
 191         final List<ToscaPolicy> toscaPolicies = new ArrayList<ToscaPolicy>();
 192         toscaPolicies.add(toscaPolicy);
 193         final PdpUpdate pdpUpdateMsg = TestListenerUtils.createPdpUpdateMsg(pdpStatus, toscaPolicies,
 194                 new ArrayList<>());
 195         pdpUpdateMessageListener.onTopicEvent(INFRA, TOPIC, null, pdpUpdateMsg);
 196         PdpStateChange pdpStateChangeMsg =
 197             TestListenerUtils.createPdpStateChangeMsg(PdpState.ACTIVE, "pdpGroup", "pdpSubgroup", pdpStatus.getName());
 198         pdpStateChangeListener.onTopicEvent(INFRA, TOPIC, null, pdpStateChangeMsg);
 199         pdpStateChangeMsg =
 200             TestListenerUtils.createPdpStateChangeMsg(PdpState.PASSIVE, "pdpGroup", "pdpSubgroup", pdpStatus.getName());
 201         OutputStream outContent = new ByteArrayOutputStream();
 202         System.setOut(new PrintStream(outContent));
 203         pdpStateChangeListener.onTopicEvent(INFRA, TOPIC, null, pdpStateChangeMsg);
 204         final String outString = outContent.toString();
 205         assertTrue(outString.contains("Apex pdp state changed from Active to Passive."));
 206         assertEquals(PdpState.PASSIVE, pdpStatus.getState());
 207     }
 208 }