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