applications/monitoring/src/test/java/org/onap/policy/xacml/pdp/application/monitoring/MonitoringPdpApplicationTest.java

   1 /*-
   2  * ============LICENSE_START=======================================================
   3  * ONAP
   4  * ================================================================================
   5  * Copyright (C) 2019 AT&T Intellectual Property. 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.xacml.pdp.application.monitoring;
  24
  25 import static org.assertj.core.api.Assertions.assertThat;
  26
  27 import com.att.research.xacml.api.Response;
  28 import java.io.File;
  29 import java.io.IOException;
  30 import java.util.Iterator;
  31 import java.util.List;
  32 import java.util.Properties;
  33 import java.util.ServiceLoader;
  34 import org.apache.commons.lang3.tuple.Pair;
  35 import org.junit.BeforeClass;
  36 import org.junit.ClassRule;
  37 import org.junit.FixMethodOrder;
  38 import org.junit.Test;
  39 import org.junit.rules.TemporaryFolder;
  40 import org.junit.runners.MethodSorters;
  41 import org.onap.policy.common.endpoints.parameters.RestServerParameters;
  42 import org.onap.policy.common.utils.coder.CoderException;
  43 import org.onap.policy.common.utils.coder.StandardCoder;
  44 import org.onap.policy.common.utils.resources.TextFileUtils;
  45 import org.onap.policy.models.decisions.concepts.DecisionRequest;
  46 import org.onap.policy.models.decisions.concepts.DecisionResponse;
  47 import org.onap.policy.models.tosca.authorative.concepts.ToscaPolicy;
  48 import org.onap.policy.models.tosca.authorative.concepts.ToscaPolicyTypeIdentifier;
  49 import org.onap.policy.pdp.xacml.application.common.TestUtils;
  50 import org.onap.policy.pdp.xacml.application.common.XacmlApplicationException;
  51 import org.onap.policy.pdp.xacml.application.common.XacmlApplicationServiceProvider;
  52 import org.onap.policy.pdp.xacml.application.common.XacmlPolicyUtils;
  53 import org.slf4j.Logger;
  54 import org.slf4j.LoggerFactory;
  55
  56 @FixMethodOrder(MethodSorters.NAME_ASCENDING)
  57 public class MonitoringPdpApplicationTest {
  58
  59     private static final Logger LOGGER = LoggerFactory.getLogger(MonitoringPdpApplicationTest.class);
  60     private static Properties properties = new Properties();
  61     private static File propertiesFile;
  62     private static XacmlApplicationServiceProvider service;
  63     private static DecisionRequest requestSinglePolicy;
  64     private static DecisionRequest requestPolicyType;
  65
  66     private static StandardCoder gson = new StandardCoder();
  67     private static RestServerParameters clientParams = new RestServerParameters();
  68
  69     @ClassRule
  70     public static final TemporaryFolder policyFolder = new TemporaryFolder();
  71
  72     /**
  73      * Copies the xacml.properties and policies files into
  74      * temporary folder and loads the service provider saving
  75      * instance of provider off for other tests to use.
  76      */
  77     @BeforeClass
  78     public static void setup() throws Exception {
  79         //
  80         // Load Single Decision Request
  81         //
  82         requestSinglePolicy = gson.decode(
  83                 TextFileUtils
  84                     .getTextFileAsString("../../main/src/test/resources/decisions/decision.single.input.json"),
  85                     DecisionRequest.class);
  86         // Load Single Decision Request
  87         //
  88         requestPolicyType = gson.decode(
  89                 TextFileUtils
  90                 .getTextFileAsString("../../main/src/test/resources/decisions/decision.policytype.input.json"),
  91                 DecisionRequest.class);
  92         //
  93         // Setup our temporary folder
  94         //
  95         XacmlPolicyUtils.FileCreator myCreator = (String filename) -> policyFolder.newFile(filename);
  96         propertiesFile = XacmlPolicyUtils.copyXacmlPropertiesContents("src/test/resources/xacml.properties",
  97                 properties, myCreator);
  98         //
  99         // Load XacmlApplicationServiceProvider service
 100         //
 101         ServiceLoader<XacmlApplicationServiceProvider> applicationLoader =
 102                 ServiceLoader.load(XacmlApplicationServiceProvider.class);
 103         //
 104         // Look for our class instance and save it
 105         //
 106         StringBuilder strDump = new StringBuilder("Loaded applications:" + System.lineSeparator());
 107         Iterator<XacmlApplicationServiceProvider> iterator = applicationLoader.iterator();
 108         while (iterator.hasNext()) {
 109             XacmlApplicationServiceProvider application = iterator.next();
 110             //
 111             // Is it our service?
 112             //
 113             if (application instanceof MonitoringPdpApplication) {
 114                 //
 115                 // Should be the first and only one
 116                 //
 117                 assertThat(service).isNull();
 118                 service = application;
 119             }
 120             strDump.append(application.applicationName());
 121             strDump.append(" supports ");
 122             strDump.append(application.supportedPolicyTypes());
 123             strDump.append(System.lineSeparator());
 124         }
 125         LOGGER.debug("{}", strDump);
 126         //
 127         // Tell it to initialize based on the properties file
 128         // we just built for it.
 129         //
 130         service.initialize(propertiesFile.toPath().getParent(), clientParams);
 131     }
 132
 133     @Test
 134     public void test1Basics() {
 135         //
 136         // Make sure there's an application name
 137         //
 138         assertThat(service.applicationName()).isNotEmpty();
 139         //
 140         // Ensure it has the supported policy types and
 141         // can support the correct policy types.
 142         //
 143         assertThat(service.canSupportPolicyType(new ToscaPolicyTypeIdentifier("onap.Monitoring", "1.0.0"))).isTrue();
 144         assertThat(service.canSupportPolicyType(new ToscaPolicyTypeIdentifier("onap.Monitoring", "1.5.0"))).isTrue();
 145         assertThat(service.canSupportPolicyType(new ToscaPolicyTypeIdentifier(
 146                 "onap.policies.monitoring.foobar", "1.0.1"))).isTrue();
 147         assertThat(service.canSupportPolicyType(new ToscaPolicyTypeIdentifier("onap.foobar", "1.0.0"))).isFalse();
 148         //
 149         // Ensure it supports decisions
 150         //
 151         assertThat(service.actionDecisionsSupported()).contains("configure");
 152     }
 153
 154     @Test
 155     public void test2NoPolicies() {
 156         //
 157         // Ask for a decision
 158         //
 159         Pair<DecisionResponse, Response> decision = service.makeDecision(requestSinglePolicy);
 160         LOGGER.info("Decision {}", decision);
 161
 162         assertThat(decision.getKey()).isNotNull();
 163         assertThat(decision.getKey().getPolicies().size()).isEqualTo(0);
 164     }
 165
 166     @Test
 167     public void test3AddvDnsPolicy() throws IOException, CoderException, XacmlApplicationException {
 168         //
 169         // Now load the vDNS Policy - make sure
 170         // the pdp can support it and have it load
 171         // into the PDP.
 172         //
 173         //
 174         // Now load the monitoring policies
 175         //
 176         final List<ToscaPolicy> loadedPolicies = TestUtils.loadPolicies("src/test/resources/vDNS.policy.input.yaml",
 177                 service);
 178         //
 179         // Ask for a decision
 180         //
 181         Pair<DecisionResponse, Response> decision = service.makeDecision(requestSinglePolicy);
 182         LOGGER.info("Decision {}", decision);
 183
 184         assertThat(decision.getKey()).isNotNull();
 185         assertThat(decision.getKey().getPolicies().size()).isEqualTo(1);
 186         //
 187         // Dump it out as Json
 188         //
 189         LOGGER.info(gson.encode(decision.getKey()));
 190         //
 191         // Ask for a decision based on policy-type
 192         //
 193         decision = service.makeDecision(requestPolicyType);
 194         LOGGER.info("Decision {}", decision);
 195
 196         assertThat(decision.getKey()).isNotNull();
 197         assertThat(decision.getKey().getPolicies().size()).isEqualTo(1);
 198         //
 199         // Dump it out as Json
 200         //
 201         LOGGER.info(gson.encode(decision.getKey()));
 202         //
 203         // Now unload it
 204         //
 205         LOGGER.info("Now testing unloading of policy");
 206         for (ToscaPolicy policy : loadedPolicies) {
 207             assertThat(service.unloadPolicy(policy)).isTrue();
 208         }
 209         //
 210         // Ask for a decision
 211         //
 212         decision = service.makeDecision(requestSinglePolicy);
 213         LOGGER.info("Decision {}", decision.getKey());
 214
 215         assertThat(decision.getKey()).isNotNull();
 216         assertThat(decision.getKey().getPolicies().size()).isEqualTo(0);
 217     }
 218
 219 }