tutorials/tutorial-xacml-application/src/test/java/org/onap/policy/tutorial/tutorial/TutorialApplicationTest.java

   1 /*-
   2  * ============LICENSE_START=======================================================
   3  * Copyright (C) 2020-2021 AT&T Intellectual Property. All rights reserved.
   4  * ================================================================================
   5  * Licensed under the Apache License, Version 2.0 (the "License");
   6  * you may not use this file except in compliance with the License.
   7  * You may obtain a copy of the License at
   8  *
   9  *      http://www.apache.org/licenses/LICENSE-2.0
  10  *
  11  * Unless required by applicable law or agreed to in writing, software
  12  * distributed under the License is distributed on an "AS IS" BASIS,
  13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14  * See the License for the specific language governing permissions and
  15  * limitations under the License.
  16  * ============LICENSE_END=========================================================
  17  */
  18
  19 package org.onap.policy.tutorial.tutorial;
  20
  21 import static org.assertj.core.api.Assertions.assertThat;
  22 import static org.junit.Assert.assertEquals;
  23
  24 import com.att.research.xacml.api.Response;
  25 import com.att.research.xacml.api.XACML3;
  26 import java.io.File;
  27 import java.io.IOException;
  28 import java.util.Map;
  29 import java.util.Properties;
  30 import java.util.ServiceLoader;
  31 import org.apache.commons.lang3.tuple.Pair;
  32 import org.junit.BeforeClass;
  33 import org.junit.ClassRule;
  34 import org.junit.Test;
  35 import org.junit.rules.TemporaryFolder;
  36 import org.onap.policy.common.utils.coder.CoderException;
  37 import org.onap.policy.common.utils.coder.StandardCoder;
  38 import org.onap.policy.common.utils.resources.TextFileUtils;
  39 import org.onap.policy.models.decisions.concepts.DecisionRequest;
  40 import org.onap.policy.models.decisions.concepts.DecisionResponse;
  41 import org.onap.policy.pdp.xacml.application.common.XacmlApplicationException;
  42 import org.onap.policy.pdp.xacml.application.common.XacmlApplicationServiceProvider;
  43 import org.onap.policy.pdp.xacml.application.common.XacmlPolicyUtils;
  44 import org.onap.policy.pdp.xacml.xacmltest.TestUtils;
  45 import org.slf4j.Logger;
  46 import org.slf4j.LoggerFactory;
  47
  48 public class TutorialApplicationTest {
  49     private static final Logger LOGGER = LoggerFactory.getLogger(TutorialApplicationTest.class);
  50     private static Properties properties = new Properties();
  51     private static File propertiesFile;
  52     private static XacmlApplicationServiceProvider service;
  53     private static StandardCoder gson = new StandardCoder();
  54
  55     @ClassRule
  56     public static final TemporaryFolder policyFolder = new TemporaryFolder();
  57
  58     /**
  59      * setup the tests.
  60      *
  61      * @throws Exception Should not have exceptions thrown.
  62      */
  63     @BeforeClass
  64     public static void setup() throws Exception {
  65         //
  66         // Setup our temporary folder
  67         //
  68         XacmlPolicyUtils.FileCreator myCreator = (String filename) -> policyFolder.newFile(filename);
  69         propertiesFile = XacmlPolicyUtils.copyXacmlPropertiesContents("src/test/resources/xacml.properties", properties,
  70                 myCreator);
  71         //
  72         // Load XacmlApplicationServiceProvider service
  73         //
  74         ServiceLoader<XacmlApplicationServiceProvider> applicationLoader =
  75                 ServiceLoader.load(XacmlApplicationServiceProvider.class);
  76         //
  77         // Look for our class instance and save it
  78         //
  79         for (XacmlApplicationServiceProvider application : applicationLoader) {
  80             //
  81             // Is it our service?
  82             //
  83             if (application instanceof TutorialApplication) {
  84                 service = application;
  85             }
  86         }
  87         //
  88         // Tell the application to initialize based on the properties file
  89         // we just built for it.
  90         //
  91         service.initialize(propertiesFile.toPath().getParent(), null);
  92         //
  93         // Now load the tutorial policies.
  94         //
  95         TestUtils.loadPolicies("src/test/resources/tutorial-policies.yaml", service);
  96     }
  97
  98     @Test
  99     public void testSingleDecision() throws CoderException, XacmlApplicationException, IOException {
 100         //
 101         // Load a Decision request
 102         //
 103         DecisionRequest decisionRequest =
 104                 gson.decode(TextFileUtils.getTextFileAsString("src/test/resources/tutorial-decision-request.json"),
 105                         DecisionRequest.class);
 106         LOGGER.info("{}", gson.encode(decisionRequest, true));
 107         //
 108         // Test a decision - should start with a permit
 109         //
 110         Pair<DecisionResponse, Response> decision = service.makeDecision(decisionRequest, null);
 111         LOGGER.info("{}", gson.encode(decision.getLeft(), true));
 112         assertEquals("Permit", decision.getLeft().getStatus());
 113         //
 114         // Check that there are attributes
 115         //
 116         assertThat(decision.getLeft().getAttributes()).isNotNull().hasSize(1)
 117                 .containsKey(XACML3.ID_ATTRIBUTE_CATEGORY_RESOURCE.stringValue());
 118         //
 119         // This should be a deny
 120         //
 121         decisionRequest.getResource().put("user", "audit");
 122         LOGGER.info("{}", gson.encode(decisionRequest, true));
 123         decision = service.makeDecision(decisionRequest, null);
 124         LOGGER.info("{}", gson.encode(decision.getLeft(), true));
 125         assertEquals("Deny", decision.getLeft().getStatus());
 126         //
 127         // Check that there are attributes
 128         //
 129         assertThat(decision.getLeft().getAttributes()).isNotNull().hasSize(1)
 130                 .containsKey(XACML3.ID_ATTRIBUTE_CATEGORY_RESOURCE.stringValue());
 131     }
 132
 133
 134     @Test
 135     public void testMultiDecision() throws CoderException, XacmlApplicationException, IOException {
 136         //
 137         // Load a Decision request
 138         //
 139         DecisionRequest decisionRequest = gson.decode(
 140                 TextFileUtils.getTextFileAsString("src/test/resources/tutorial-decision-multi-request.json"),
 141                 DecisionRequest.class);
 142         LOGGER.info("{}", gson.encode(decisionRequest, true));
 143         //
 144         // Test a decision - should start with a permit
 145         //
 146         Pair<DecisionResponse, Response> decision = service.makeDecision(decisionRequest, null);
 147         LOGGER.info("{}", gson.encode(decision.getLeft(), true));
 148         assertEquals("multi", decision.getLeft().getStatus());
 149         //
 150         // Check that there no attributes for the overall response
 151         //
 152         assertThat(decision.getLeft().getAttributes()).isNull();
 153         //
 154         // Check that there are 7 decisions with attributes
 155         //
 156         assertThat(decision.getLeft()).isInstanceOf(TutorialResponse.class);
 157         TutorialResponse tutorialResponse = (TutorialResponse) decision.getLeft();
 158         assertThat(tutorialResponse.getPermissions()).hasSize(7);
 159         tutorialResponse.getPermissions().forEach(p -> checkPermission(p));
 160     }
 161
 162     private void checkPermission(TutorialResponsePermission permission) {
 163         assertThat(permission.getAttributes()).hasSize(1);
 164         Object resourceAttributes = permission.getAttributes().get(XACML3.ID_ATTRIBUTE_CATEGORY_RESOURCE.stringValue());
 165         assertThat(resourceAttributes).isNotNull().isInstanceOf(Map.class);
 166         @SuppressWarnings("unchecked")
 167         String multiId = ((Map<String, String>) resourceAttributes).get("urn:org:onap:tutorial-multi-id").toString();
 168         assertThat(Integer.parseInt(multiId)).isBetween(1, 7);
 169         switch (multiId) {
 170             case "1":
 171                 assertThat(permission.getStatus()).isEqualTo("Permit");
 172                 return;
 173             case "2":
 174                 assertThat(permission.getStatus()).isEqualTo("Permit");
 175                 return;
 176             case "3":
 177                 assertThat(permission.getStatus()).isEqualTo("Deny");
 178                 return;
 179             case "4":
 180                 assertThat(permission.getStatus()).isEqualTo("Permit");
 181                 return;
 182             case "5":
 183                 assertThat(permission.getStatus()).isEqualTo("Deny");
 184                 return;
 185             case "6":
 186                 assertThat(permission.getStatus()).isEqualTo("Deny");
 187                 return;
 188             case "7":
 189                 assertThat(permission.getStatus()).isEqualTo("Deny");
 190                 return;
 191             default:
 192                 //
 193                 // Should not get here as we check the value range in line 168.
 194                 // But CodeStyle wants a default.
 195                 //
 196                 break;
 197         }
 198     }
 199 }