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
  29 import java.io.File;
  30 import java.io.IOException;
  31 import java.util.Iterator;
  32 import java.util.List;
  33 import java.util.Properties;
  34 import java.util.ServiceLoader;
  35
  36 import org.apache.commons.lang3.tuple.Pair;
  37 import org.junit.BeforeClass;
  38 import org.junit.ClassRule;
  39 import org.junit.FixMethodOrder;
  40 import org.junit.Test;
  41 import org.junit.rules.TemporaryFolder;
  42 import org.junit.runners.MethodSorters;
  43 import org.onap.policy.common.utils.coder.CoderException;
  44 import org.onap.policy.common.utils.coder.StandardCoder;
  45 import org.onap.policy.common.utils.resources.TextFileUtils;
  46 import org.onap.policy.models.decisions.concepts.DecisionRequest;
  47 import org.onap.policy.models.decisions.concepts.DecisionResponse;
  48 import org.onap.policy.models.tosca.authorative.concepts.ToscaPolicy;
  49 import org.onap.policy.models.tosca.authorative.concepts.ToscaPolicyTypeIdentifier;
  50 import org.onap.policy.pdp.xacml.application.common.TestUtils;
  51 import org.onap.policy.pdp.xacml.application.common.XacmlApplicationException;
  52 import org.onap.policy.pdp.xacml.application.common.XacmlApplicationServiceProvider;
  53 import org.onap.policy.pdp.xacml.application.common.XacmlPolicyUtils;
  54 import org.slf4j.Logger;
  55 import org.slf4j.LoggerFactory;
  56
  57 @FixMethodOrder(MethodSorters.NAME_ASCENDING)
  58 public class MonitoringPdpApplicationTest {
  59
  60     private static final Logger LOGGER = LoggerFactory.getLogger(MonitoringPdpApplicationTest.class);
  61     private static Properties properties = new Properties();
  62     private static File propertiesFile;
  63     private static XacmlApplicationServiceProvider service;
  64     private static DecisionRequest requestSinglePolicy;
  65
  66     private static StandardCoder gson = new StandardCoder();
  67
  68     @ClassRule
  69     public static final TemporaryFolder policyFolder = new TemporaryFolder();
  70
  71     /**
  72      * Copies the xacml.properties and policies files into
  73      * temporary folder and loads the service provider saving
  74      * instance of provider off for other tests to use.
  75      */
  76     @BeforeClass
  77     public static void setup() throws Exception {
  78         //
  79         // Load Single Decision Request
  80         //
  81         requestSinglePolicy = gson.decode(
  82                 TextFileUtils
  83                     .getTextFileAsString("../../main/src/test/resources/decisions/decision.single.input.json"),
  84                     DecisionRequest.class);
  85         //
  86         // Setup our temporary folder
  87         //
  88         XacmlPolicyUtils.FileCreator myCreator = (String filename) -> policyFolder.newFile(filename);
  89         propertiesFile = XacmlPolicyUtils.copyXacmlPropertiesContents("src/test/resources/xacml.properties",
  90                 properties, myCreator);
  91         //
  92         // Load XacmlApplicationServiceProvider service
  93         //
  94         ServiceLoader<XacmlApplicationServiceProvider> applicationLoader =
  95                 ServiceLoader.load(XacmlApplicationServiceProvider.class);
  96         //
  97         // Look for our class instance and save it
  98         //
  99         StringBuilder strDump = new StringBuilder("Loaded applications:" + System.lineSeparator());
 100         Iterator<XacmlApplicationServiceProvider> iterator = applicationLoader.iterator();
 101         while (iterator.hasNext()) {
 102             XacmlApplicationServiceProvider application = iterator.next();
 103             //
 104             // Is it our service?
 105             //
 106             if (application instanceof MonitoringPdpApplication) {
 107                 //
 108                 // Should be the first and only one
 109                 //
 110                 assertThat(service).isNull();
 111                 service = application;
 112             }
 113             strDump.append(application.applicationName());
 114             strDump.append(" supports ");
 115             strDump.append(application.supportedPolicyTypes());
 116             strDump.append(System.lineSeparator());
 117         }
 118         LOGGER.debug("{}", strDump);
 119         //
 120         // Tell it to initialize based on the properties file
 121         // we just built for it.
 122         //
 123         service.initialize(propertiesFile.toPath().getParent());
 124     }
 125
 126     @Test
 127     public void test1Basics() {
 128         //
 129         // Make sure there's an application name
 130         //
 131         assertThat(service.applicationName()).isNotEmpty();
 132         //
 133         // Ensure it has the supported policy types and
 134         // can support the correct policy types.
 135         //
 136         assertThat(service.canSupportPolicyType(new ToscaPolicyTypeIdentifier("onap.Monitoring", "1.0.0"))).isTrue();
 137         assertThat(service.canSupportPolicyType(new ToscaPolicyTypeIdentifier("onap.Monitoring", "1.5.0"))).isTrue();
 138         assertThat(service.canSupportPolicyType(new ToscaPolicyTypeIdentifier(
 139                 "onap.policies.monitoring.foobar", "1.0.1"))).isTrue();
 140         assertThat(service.canSupportPolicyType(new ToscaPolicyTypeIdentifier("onap.foobar", "1.0.0"))).isFalse();
 141         //
 142         // Ensure it supports decisions
 143         //
 144         assertThat(service.actionDecisionsSupported()).contains("configure");
 145     }
 146
 147     @Test
 148     public void test2NoPolicies() {
 149         //
 150         // Ask for a decision
 151         //
 152         Pair<DecisionResponse, Response> decision = service.makeDecision(requestSinglePolicy);
 153         LOGGER.info("Decision {}", decision);
 154
 155         assertThat(decision.getKey()).isNotNull();
 156         assertThat(decision.getKey().getPolicies().size()).isEqualTo(0);
 157     }
 158
 159     @Test
 160     public void test3AddvDnsPolicy() throws IOException, CoderException, XacmlApplicationException {
 161         //
 162         // Now load the vDNS Policy - make sure
 163         // the pdp can support it and have it load
 164         // into the PDP.
 165         //
 166         //
 167         // Now load the optimization policies
 168         //
 169         final List<ToscaPolicy> loadedPolicies = TestUtils.loadPolicies("src/test/resources/vDNS.policy.input.yaml",
 170                 service);
 171         //
 172         // Ask for a decision
 173         //
 174         Pair<DecisionResponse, Response> decision = service.makeDecision(requestSinglePolicy);
 175         LOGGER.info("Decision {}", decision);
 176
 177         assertThat(decision.getKey()).isNotNull();
 178         assertThat(decision.getKey().getPolicies().size()).isEqualTo(1);
 179         //
 180         // Dump it out as Json
 181         //
 182         LOGGER.info(gson.encode(decision.getKey()));
 183         LOGGER.info("Now testing unloading of policy");
 184         //
 185         // Now unload it
 186         //
 187         for (ToscaPolicy policy : loadedPolicies) {
 188             assertThat(service.unloadPolicy(policy)).isTrue();
 189         }
 190         //
 191         // Ask for a decision
 192         //
 193         decision = service.makeDecision(requestSinglePolicy);
 194         LOGGER.info("Decision {}", decision.getKey());
 195
 196         assertThat(decision.getKey()).isNotNull();
 197         assertThat(decision.getKey().getPolicies().size()).isEqualTo(0);
 198     }
 199
 200 }