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
  27 import java.io.File;
  28 import java.io.FileNotFoundException;
  29 import java.io.IOException;
  30 import java.util.Iterator;
  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.ToscaPolicyTypeIdentifier;
  46 import org.onap.policy.pdp.xacml.application.common.TestUtils;
  47 import org.onap.policy.pdp.xacml.application.common.XacmlApplicationException;
  48 import org.onap.policy.pdp.xacml.application.common.XacmlApplicationServiceProvider;
  49 import org.onap.policy.pdp.xacml.application.common.XacmlPolicyUtils;
  50 import org.slf4j.Logger;
  51 import org.slf4j.LoggerFactory;
  52
  53 @FixMethodOrder(MethodSorters.NAME_ASCENDING)
  54 public class OptimizationPdpApplicationTest {
  55
  56     private static final Logger LOGGER = LoggerFactory.getLogger(OptimizationPdpApplicationTest.class);
  57     private static Properties properties = new Properties();
  58     private static File propertiesFile;
  59     private static XacmlApplicationServiceProvider service;
  60     private static StandardCoder gson = new StandardCoder();
  61     private static DecisionRequest requestAffinity;
  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         requestAffinity = gson.decode(
  77                 TextFileUtils
  78                     .getTextFileAsString(
  79                             "../../main/src/test/resources/decisions/decision.optimization.affinity.input.json"),
  80                     DecisionRequest.class);
  81         //
  82         // Setup our temporary folder
  83         //
  84         XacmlPolicyUtils.FileCreator myCreator = (String filename) -> policyFolder.newFile(filename);
  85         propertiesFile = XacmlPolicyUtils.copyXacmlPropertiesContents("src/test/resources/xacml.properties",
  86                 properties, myCreator);
  87         //
  88         // Load service
  89         //
  90         ServiceLoader<XacmlApplicationServiceProvider> applicationLoader =
  91                 ServiceLoader.load(XacmlApplicationServiceProvider.class);
  92         //
  93         // Iterate through Xacml application services and find
  94         // the optimization service. Save it for use throughout
  95         // all the Junit tests.
  96         //
  97         StringBuilder strDump = new StringBuilder("Loaded applications:" + System.lineSeparator());
  98         Iterator<XacmlApplicationServiceProvider> iterator = applicationLoader.iterator();
  99         while (iterator.hasNext()) {
 100             XacmlApplicationServiceProvider application = iterator.next();
 101             //
 102             // Is it our service?
 103             //
 104             if (application instanceof OptimizationPdpApplication) {
 105                 //
 106                 // Should be the first and only one
 107                 //
 108                 assertThat(service).isNull();
 109                 service = application;
 110             }
 111             strDump.append(application.applicationName());
 112             strDump.append(" supports ");
 113             strDump.append(application.supportedPolicyTypes());
 114             strDump.append(System.lineSeparator());
 115         }
 116         LOGGER.debug("{}", strDump);
 117         //
 118         // Tell it to initialize based on the properties file
 119         // we just built for it.
 120         //
 121         service.initialize(propertiesFile.toPath().getParent());
 122     }
 123
 124     @Test
 125     public void test1Basics() {
 126         //
 127         // Make sure there's an application name
 128         //
 129         assertThat(service.applicationName()).isNotEmpty();
 130         //
 131         // Decisions
 132         //
 133         assertThat(service.actionDecisionsSupported().size()).isEqualTo(1);
 134         assertThat(service.actionDecisionsSupported()).contains("optimize");
 135         //
 136         // Ensure it has the supported policy types and
 137         // can support the correct policy types.
 138         //
 139         assertThat(service.canSupportPolicyType(new ToscaPolicyTypeIdentifier(
 140                 "onap.policies.optimization.AffinityPolicy", "1.0.0"))).isTrue();
 141         assertThat(service.canSupportPolicyType(new ToscaPolicyTypeIdentifier(
 142                 "onap.foobar", "1.0.0"))).isFalse();
 143     }
 144
 145     @Test
 146     public void test2NoPolicies() {
 147         //
 148         // Ask for a decision
 149         //
 150         DecisionResponse response = service.makeDecision(requestAffinity);
 151         LOGGER.info("Decision {}", response);
 152
 153         assertThat(response).isNotNull();
 154         assertThat(response.getPolicies().size()).isEqualTo(0);
 155     }
 156
 157     @Test
 158     public void test3AddOptimizationPolicies() throws CoderException, FileNotFoundException, IOException,
 159         XacmlApplicationException {
 160         //
 161         // Now load the optimization policies
 162         //
 163         TestUtils.loadPolicies("src/test/resources/vCPE.policies.optimization.input.tosca.yaml", service);
 164         //
 165         // Ask for a decision
 166         //
 167         DecisionResponse response = service.makeDecision(requestAffinity);
 168         LOGGER.info("Decision {}", response);
 169
 170         assertThat(response).isNotNull();
 171         assertThat(response.getPolicies().size()).isEqualTo(1);
 172         //
 173         // Dump it out as Json
 174         //
 175         LOGGER.info(gson.encode(response));
 176     }
 177 }