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 java.io.File;
  28 import java.io.IOException;
  29 import java.util.Iterator;
  30 import java.util.List;
  31 import java.util.Properties;
  32 import java.util.ServiceLoader;
  33
  34 import org.junit.BeforeClass;
  35 import org.junit.ClassRule;
  36 import org.junit.FixMethodOrder;
  37 import org.junit.Test;
  38 import org.junit.rules.TemporaryFolder;
  39 import org.junit.runners.MethodSorters;
  40 import org.onap.policy.common.utils.coder.CoderException;
  41 import org.onap.policy.common.utils.coder.StandardCoder;
  42 import org.onap.policy.common.utils.resources.TextFileUtils;
  43 import org.onap.policy.models.decisions.concepts.DecisionRequest;
  44 import org.onap.policy.models.decisions.concepts.DecisionResponse;
  45 import org.onap.policy.models.tosca.authorative.concepts.ToscaPolicy;
  46 import org.onap.policy.models.tosca.authorative.concepts.ToscaPolicyTypeIdentifier;
  47 import org.onap.policy.pdp.xacml.application.common.TestUtils;
  48 import org.onap.policy.pdp.xacml.application.common.XacmlApplicationException;
  49 import org.onap.policy.pdp.xacml.application.common.XacmlApplicationServiceProvider;
  50 import org.onap.policy.pdp.xacml.application.common.XacmlPolicyUtils;
  51 import org.slf4j.Logger;
  52 import org.slf4j.LoggerFactory;
  53
  54 @FixMethodOrder(MethodSorters.NAME_ASCENDING)
  55 public class MonitoringPdpApplicationTest {
  56
  57     private static final Logger LOGGER = LoggerFactory.getLogger(MonitoringPdpApplicationTest.class);
  58     private static Properties properties = new Properties();
  59     private static File propertiesFile;
  60     private static XacmlApplicationServiceProvider service;
  61     private static DecisionRequest requestSinglePolicy;
  62
  63     private static StandardCoder gson = new StandardCoder();
  64
  65     @ClassRule
  66     public static final TemporaryFolder policyFolder = new TemporaryFolder();
  67
  68     /**
  69      * Copies the xacml.properties and policies files into
  70      * temporary folder and loads the service provider saving
  71      * instance of provider off for other tests to use.
  72      */
  73     @BeforeClass
  74     public static void setup() throws Exception {
  75         //
  76         // Load Single Decision Request
  77         //
  78         requestSinglePolicy = gson.decode(
  79                 TextFileUtils
  80                     .getTextFileAsString("../../main/src/test/resources/decisions/decision.single.input.json"),
  81                     DecisionRequest.class);
  82         //
  83         // Setup our temporary folder
  84         //
  85         XacmlPolicyUtils.FileCreator myCreator = (String filename) -> policyFolder.newFile(filename);
  86         propertiesFile = XacmlPolicyUtils.copyXacmlPropertiesContents("src/test/resources/xacml.properties",
  87                 properties, myCreator);
  88         //
  89         // Load XacmlApplicationServiceProvider service
  90         //
  91         ServiceLoader<XacmlApplicationServiceProvider> applicationLoader =
  92                 ServiceLoader.load(XacmlApplicationServiceProvider.class);
  93         //
  94         // Look for our class instance and save it
  95         //
  96         StringBuilder strDump = new StringBuilder("Loaded applications:" + System.lineSeparator());
  97         Iterator<XacmlApplicationServiceProvider> iterator = applicationLoader.iterator();
  98         while (iterator.hasNext()) {
  99             XacmlApplicationServiceProvider application = iterator.next();
 100             //
 101             // Is it our service?
 102             //
 103             if (application instanceof MonitoringPdpApplication) {
 104                 //
 105                 // Should be the first and only one
 106                 //
 107                 assertThat(service).isNull();
 108                 service = application;
 109             }
 110             strDump.append(application.applicationName());
 111             strDump.append(" supports ");
 112             strDump.append(application.supportedPolicyTypes());
 113             strDump.append(System.lineSeparator());
 114         }
 115         LOGGER.debug("{}", strDump);
 116         //
 117         // Tell it to initialize based on the properties file
 118         // we just built for it.
 119         //
 120         service.initialize(propertiesFile.toPath().getParent());
 121     }
 122
 123     @Test
 124     public void test1Basics() {
 125         //
 126         // Make sure there's an application name
 127         //
 128         assertThat(service.applicationName()).isNotEmpty();
 129         //
 130         // Ensure it has the supported policy types and
 131         // can support the correct policy types.
 132         //
 133         assertThat(service.canSupportPolicyType(new ToscaPolicyTypeIdentifier("onap.Monitoring", "1.0.0"))).isTrue();
 134         assertThat(service.canSupportPolicyType(new ToscaPolicyTypeIdentifier("onap.Monitoring", "1.5.0"))).isTrue();
 135         assertThat(service.canSupportPolicyType(new ToscaPolicyTypeIdentifier(
 136                 "onap.policies.monitoring.foobar", "1.0.1"))).isTrue();
 137         assertThat(service.canSupportPolicyType(new ToscaPolicyTypeIdentifier("onap.foobar", "1.0.0"))).isFalse();
 138         //
 139         // Ensure it supports decisions
 140         //
 141         assertThat(service.actionDecisionsSupported()).contains("configure");
 142     }
 143
 144     @Test
 145     public void test2NoPolicies() {
 146         //
 147         // Ask for a decision
 148         //
 149         DecisionResponse response = service.makeDecision(requestSinglePolicy);
 150         LOGGER.info("Decision {}", response);
 151
 152         assertThat(response).isNotNull();
 153         assertThat(response.getPolicies().size()).isEqualTo(0);
 154     }
 155
 156     @Test
 157     public void test3AddvDnsPolicy() throws IOException, CoderException, XacmlApplicationException {
 158         //
 159         // Now load the vDNS Policy - make sure
 160         // the pdp can support it and have it load
 161         // into the PDP.
 162         //
 163         //
 164         // Now load the optimization policies
 165         //
 166         final List<ToscaPolicy> loadedPolicies = TestUtils.loadPolicies("src/test/resources/vDNS.policy.input.yaml",
 167                 service);
 168         //
 169         // Ask for a decision
 170         //
 171         DecisionResponse response = service.makeDecision(requestSinglePolicy);
 172         LOGGER.info("Decision {}", response);
 173
 174         assertThat(response).isNotNull();
 175         assertThat(response.getPolicies().size()).isEqualTo(1);
 176         //
 177         // Dump it out as Json
 178         //
 179         LOGGER.info(gson.encode(response));
 180         LOGGER.info("Now testing unloading of policy");
 181         //
 182         // Now unload it
 183         //
 184         for (ToscaPolicy policy : loadedPolicies) {
 185             assertThat(service.unloadPolicy(policy)).isTrue();
 186         }
 187         //
 188         // Ask for a decision
 189         //
 190         response = service.makeDecision(requestSinglePolicy);
 191         LOGGER.info("Decision {}", response);
 192
 193         assertThat(response).isNotNull();
 194         assertThat(response.getPolicies().size()).isEqualTo(0);
 195     }
 196
 197     @Test
 198     public void test4BadPolicies() {
 199         /*
 200          *
 201          * THESE TEST SHOULD BE MOVED INTO THE API PROJECT
 202          *
 203         //
 204         // No need for service, just test some of the methods
 205         // for bad policies
 206         //
 207         MonitoringPdpApplication onapPdpEngine = new MonitoringPdpApplication();
 208
 209         assertThatExceptionOfType(ToscaPolicyConversionException.class).isThrownBy(() -> {
 210             try (InputStream is =
 211                     new FileInputStream("src/test/resources/test.monitoring.policy.missingmetadata.yaml")) {
 212                 onapPdpEngine.convertPolicies(is);
 213             }
 214         }).withMessageContaining("missing metadata section");
 215
 216         assertThatExceptionOfType(ToscaPolicyConversionException.class).isThrownBy(() -> {
 217             try (InputStream is =
 218                     new FileInputStream("src/test/resources/test.monitoring.policy.missingtype.yaml")) {
 219                 onapPdpEngine.convertPolicies(is);
 220             }
 221         }).withMessageContaining("missing type value");
 222
 223         assertThatExceptionOfType(ToscaPolicyConversionException.class).isThrownBy(() -> {
 224             try (InputStream is =
 225                     new FileInputStream("src/test/resources/test.monitoring.policy.missingversion.yaml")) {
 226                 onapPdpEngine.convertPolicies(is);
 227             }
 228         }).withMessageContaining("missing version value");
 229
 230         assertThatExceptionOfType(ToscaPolicyConversionException.class).isThrownBy(() -> {
 231             try (InputStream is =
 232                     new FileInputStream("src/test/resources/test.monitoring.policy.badmetadata.1.yaml")) {
 233                 onapPdpEngine.convertPolicies(is);
 234             }
 235         }).withMessageContaining("missing metadata policy-version");
 236
 237         assertThatExceptionOfType(ToscaPolicyConversionException.class).isThrownBy(() -> {
 238             try (InputStream is =
 239                     new FileInputStream("src/test/resources/test.monitoring.policy.badmetadata.2.yaml")) {
 240                 onapPdpEngine.convertPolicies(is);
 241             }
 242         }).withMessageContaining("missing metadata policy-id");
 243
 244         */
 245     }
 246
 247 }