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

   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.optimization;
  24
  25 import static org.assertj.core.api.Assertions.assertThat;
  26 import static org.mockito.Mockito.mock;
  27 import static org.mockito.Mockito.when;
  28
  29 import com.att.research.xacml.api.Response;
  30 import java.io.File;
  31 import java.io.FileNotFoundException;
  32 import java.io.IOException;
  33 import java.nio.file.Files;
  34 import java.nio.file.Paths;
  35 import java.util.Iterator;
  36 import java.util.Properties;
  37 import java.util.ServiceLoader;
  38 import org.apache.commons.lang3.tuple.Pair;
  39 import org.junit.BeforeClass;
  40 import org.junit.ClassRule;
  41 import org.junit.FixMethodOrder;
  42 import org.junit.Test;
  43 import org.junit.rules.TemporaryFolder;
  44 import org.junit.runners.MethodSorters;
  45 import org.onap.policy.common.endpoints.parameters.RestServerParameters;
  46 import org.onap.policy.common.utils.coder.CoderException;
  47 import org.onap.policy.common.utils.coder.StandardCoder;
  48 import org.onap.policy.common.utils.resources.ResourceUtils;
  49 import org.onap.policy.common.utils.resources.TextFileUtils;
  50 import org.onap.policy.models.decisions.concepts.DecisionRequest;
  51 import org.onap.policy.models.decisions.concepts.DecisionResponse;
  52 import org.onap.policy.models.tosca.authorative.concepts.ToscaPolicyTypeIdentifier;
  53 import org.onap.policy.pdp.xacml.application.common.XacmlApplicationException;
  54 import org.onap.policy.pdp.xacml.application.common.XacmlApplicationServiceProvider;
  55 import org.onap.policy.pdp.xacml.application.common.XacmlPolicyUtils;
  56 import org.onap.policy.pdp.xacml.xacmltest.TestUtils;
  57 import org.slf4j.Logger;
  58 import org.slf4j.LoggerFactory;
  59
  60 @FixMethodOrder(MethodSorters.NAME_ASCENDING)
  61 public class OptimizationPdpApplicationTest {
  62
  63     private static final Logger LOGGER = LoggerFactory.getLogger(OptimizationPdpApplicationTest.class);
  64     private static Properties properties = new Properties();
  65     private static File propertiesFile;
  66     private static XacmlApplicationServiceProvider service;
  67     private static StandardCoder gson = new StandardCoder();
  68     private static DecisionRequest requestAffinity;
  69     private static RestServerParameters clientParams;
  70     private static String[] listPolicyTypeFiles = {
  71         "onap.policies.Optimization",
  72         "onap.policies.optimization.AffinityPolicy",
  73         "onap.policies.optimization.DistancePolicy",
  74         "onap.policies.optimization.HpaPolicy",
  75         "onap.policies.optimization.OptimizationPolicy",
  76         "onap.policies.optimization.PciPolicy",
  77         "onap.policies.optimization.QueryPolicy",
  78         "onap.policies.optimization.SubscriberPolicy",
  79         "onap.policies.optimization.Vim_fit",
  80         "onap.policies.optimization.VnfPolicy"};
  81
  82     @ClassRule
  83     public static final TemporaryFolder policyFolder = new TemporaryFolder();
  84
  85     /**
  86      * Copies the xacml.properties and policies files into
  87      * temporary folder and loads the service provider saving
  88      * instance of provider off for other tests to use.
  89      */
  90     @BeforeClass
  91     public static void setUp() throws Exception {
  92         clientParams = mock(RestServerParameters.class);
  93         when(clientParams.getHost()).thenReturn("localhost");
  94         when(clientParams.getPort()).thenReturn(6969);
  95         //
  96         // Load Single Decision Request
  97         //
  98         requestAffinity = gson.decode(
  99                 TextFileUtils
 100                     .getTextFileAsString(
 101                             "../../main/src/test/resources/decisions/decision.optimization.affinity.input.json"),
 102                     DecisionRequest.class);
 103         //
 104         // Setup our temporary folder
 105         //
 106         XacmlPolicyUtils.FileCreator myCreator = (String filename) -> policyFolder.newFile(filename);
 107         propertiesFile = XacmlPolicyUtils.copyXacmlPropertiesContents("src/test/resources/xacml.properties",
 108                 properties, myCreator);
 109         //
 110         // Copy the test policy types into data area
 111         //
 112         for (String policy : listPolicyTypeFiles) {
 113             String policyType = ResourceUtils.getResourceAsString("policytypes/" + policy + ".yaml");
 114             LOGGER.info("Copying {}", policyType);
 115             Files.write(Paths.get(policyFolder.getRoot().getAbsolutePath(), policy + "-1.0.0.yaml"),
 116                     policyType.getBytes());
 117         }
 118         //
 119         // Load service
 120         //
 121         ServiceLoader<XacmlApplicationServiceProvider> applicationLoader =
 122                 ServiceLoader.load(XacmlApplicationServiceProvider.class);
 123         //
 124         // Iterate through Xacml application services and find
 125         // the optimization service. Save it for use throughout
 126         // all the Junit tests.
 127         //
 128         StringBuilder strDump = new StringBuilder("Loaded applications:" + System.lineSeparator());
 129         Iterator<XacmlApplicationServiceProvider> iterator = applicationLoader.iterator();
 130         while (iterator.hasNext()) {
 131             XacmlApplicationServiceProvider application = iterator.next();
 132             //
 133             // Is it our service?
 134             //
 135             if (application instanceof OptimizationPdpApplication) {
 136                 //
 137                 // Should be the first and only one
 138                 //
 139                 assertThat(service).isNull();
 140                 service = application;
 141             }
 142             strDump.append(application.applicationName());
 143             strDump.append(" supports ");
 144             strDump.append(application.supportedPolicyTypes());
 145             strDump.append(System.lineSeparator());
 146         }
 147         LOGGER.debug("{}", strDump);
 148         assertThat(service).isNotNull();
 149         //
 150         // Tell it to initialize based on the properties file
 151         // we just built for it.
 152         //
 153         service.initialize(propertiesFile.toPath().getParent(), clientParams);
 154     }
 155
 156     @Test
 157     public void test1Basics() {
 158         //
 159         // Make sure there's an application name
 160         //
 161         assertThat(service.applicationName()).isNotEmpty();
 162         //
 163         // Decisions
 164         //
 165         assertThat(service.actionDecisionsSupported().size()).isEqualTo(1);
 166         assertThat(service.actionDecisionsSupported()).contains("optimize");
 167         //
 168         // Ensure it has the supported policy types and
 169         // can support the correct policy types.
 170         //
 171         assertThat(service.canSupportPolicyType(new ToscaPolicyTypeIdentifier(
 172                 "onap.policies.optimization.AffinityPolicy", "1.0.0"))).isTrue();
 173         assertThat(service.canSupportPolicyType(new ToscaPolicyTypeIdentifier(
 174                 "onap.foobar", "1.0.0"))).isFalse();
 175     }
 176
 177     @Test
 178     public void test2NoPolicies() {
 179         //
 180         // Ask for a decision
 181         //
 182         Pair<DecisionResponse, Response> decision = service.makeDecision(requestAffinity, null);
 183         LOGGER.info("Decision {}", decision.getKey());
 184
 185         assertThat(decision.getKey()).isNotNull();
 186         assertThat(decision.getKey().getPolicies().size()).isEqualTo(0);
 187     }
 188
 189     @Test
 190     public void test3AddOptimizationPolicies() throws CoderException, FileNotFoundException, IOException,
 191         XacmlApplicationException {
 192         //
 193         // Now load the optimization policies
 194         //
 195         TestUtils.loadPolicies("src/test/resources/vCPE.policies.optimization.input.tosca.yaml", service);
 196         //
 197         // Ask for a decision
 198         //
 199         Pair<DecisionResponse, Response> decision = service.makeDecision(requestAffinity, null);
 200         LOGGER.info("Decision {}", decision.getKey());
 201
 202         assertThat(decision.getKey()).isNotNull();
 203         assertThat(decision.getKey().getPolicies().size()).isEqualTo(4);
 204         //
 205         // Dump it out as Json
 206         //
 207         LOGGER.info(gson.encode(decision.getKey()));
 208     }
 209 }