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/*-
* ============LICENSE_START=======================================================
* Copyright (C) 2020-2021 AT&T Intellectual Property. All rights reserved.
* ================================================================================
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* ============LICENSE_END=========================================================
*/
package org.onap.policy.tutorial.tutorial;
import static org.assertj.core.api.Assertions.assertThat;
import static org.junit.Assert.assertEquals;
import com.att.research.xacml.api.Response;
import com.att.research.xacml.api.XACML3;
import java.io.File;
import java.io.IOException;
import java.util.Map;
import java.util.Properties;
import java.util.ServiceLoader;
import org.apache.commons.lang3.tuple.Pair;
import org.junit.BeforeClass;
import org.junit.ClassRule;
import org.junit.Test;
import org.junit.rules.TemporaryFolder;
import org.onap.policy.common.utils.coder.CoderException;
import org.onap.policy.common.utils.coder.StandardCoder;
import org.onap.policy.common.utils.resources.TextFileUtils;
import org.onap.policy.models.decisions.concepts.DecisionRequest;
import org.onap.policy.models.decisions.concepts.DecisionResponse;
import org.onap.policy.pdp.xacml.application.common.XacmlApplicationException;
import org.onap.policy.pdp.xacml.application.common.XacmlApplicationServiceProvider;
import org.onap.policy.pdp.xacml.application.common.XacmlPolicyUtils;
import org.onap.policy.pdp.xacml.xacmltest.TestUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class TutorialApplicationTest {
private static final Logger LOGGER = LoggerFactory.getLogger(TutorialApplicationTest.class);
private static Properties properties = new Properties();
private static File propertiesFile;
private static XacmlApplicationServiceProvider service;
private static StandardCoder gson = new StandardCoder();
@ClassRule
public static final TemporaryFolder policyFolder = new TemporaryFolder();
/**
* setup the tests.
*
* @throws Exception Should not have exceptions thrown.
*/
@BeforeClass
public static void setup() throws Exception {
//
// Setup our temporary folder
//
XacmlPolicyUtils.FileCreator myCreator = (String filename) -> policyFolder.newFile(filename);
propertiesFile = XacmlPolicyUtils.copyXacmlPropertiesContents("src/test/resources/xacml.properties", properties,
myCreator);
//
// Load XacmlApplicationServiceProvider service
//
ServiceLoader<XacmlApplicationServiceProvider> applicationLoader =
ServiceLoader.load(XacmlApplicationServiceProvider.class);
//
// Look for our class instance and save it
//
for (XacmlApplicationServiceProvider application : applicationLoader) {
//
// Is it our service?
//
if (application instanceof TutorialApplication) {
service = application;
}
}
//
// Tell the application to initialize based on the properties file
// we just built for it.
//
service.initialize(propertiesFile.toPath().getParent(), null);
//
// Now load the tutorial policies.
//
TestUtils.loadPolicies("src/test/resources/tutorial-policies.yaml", service);
}
@Test
public void testSingleDecision() throws CoderException, XacmlApplicationException, IOException {
//
// Load a Decision request
//
DecisionRequest decisionRequest =
gson.decode(TextFileUtils.getTextFileAsString("src/test/resources/tutorial-decision-request.json"),
DecisionRequest.class);
LOGGER.info("{}", gson.encode(decisionRequest, true));
//
// Test a decision - should start with a permit
//
Pair<DecisionResponse, Response> decision = service.makeDecision(decisionRequest, null);
LOGGER.info("{}", gson.encode(decision.getLeft(), true));
assertEquals("Permit", decision.getLeft().getStatus());
//
// Check that there are attributes
//
assertThat(decision.getLeft().getAttributes()).isNotNull().hasSize(1)
.containsKey(XACML3.ID_ATTRIBUTE_CATEGORY_RESOURCE.stringValue());
//
// This should be a deny
//
decisionRequest.getResource().put("user", "audit");
LOGGER.info("{}", gson.encode(decisionRequest, true));
decision = service.makeDecision(decisionRequest, null);
LOGGER.info("{}", gson.encode(decision.getLeft(), true));
assertEquals("Deny", decision.getLeft().getStatus());
//
// Check that there are attributes
//
assertThat(decision.getLeft().getAttributes()).isNotNull().hasSize(1)
.containsKey(XACML3.ID_ATTRIBUTE_CATEGORY_RESOURCE.stringValue());
}
@Test
public void testMultiDecision() throws CoderException, XacmlApplicationException, IOException {
//
// Load a Decision request
//
DecisionRequest decisionRequest = gson.decode(
TextFileUtils.getTextFileAsString("src/test/resources/tutorial-decision-multi-request.json"),
DecisionRequest.class);
LOGGER.info("{}", gson.encode(decisionRequest, true));
//
// Test a decision - should start with a permit
//
Pair<DecisionResponse, Response> decision = service.makeDecision(decisionRequest, null);
LOGGER.info("{}", gson.encode(decision.getLeft(), true));
assertEquals("multi", decision.getLeft().getStatus());
//
// Check that there no attributes for the overall response
//
assertThat(decision.getLeft().getAttributes()).isNull();
//
// Check that there are 7 decisions with attributes
//
assertThat(decision.getLeft()).isInstanceOf(TutorialResponse.class);
TutorialResponse tutorialResponse = (TutorialResponse) decision.getLeft();
assertThat(tutorialResponse.getPermissions()).hasSize(7);
tutorialResponse.getPermissions().forEach(p -> checkPermission(p));
}
private void checkPermission(TutorialResponsePermission permission) {
assertThat(permission.getAttributes()).hasSize(1);
Object resourceAttributes = permission.getAttributes().get(XACML3.ID_ATTRIBUTE_CATEGORY_RESOURCE.stringValue());
assertThat(resourceAttributes).isNotNull().isInstanceOf(Map.class);
@SuppressWarnings("unchecked")
String multiId = ((Map<String, String>) resourceAttributes).get("urn:org:onap:tutorial-multi-id").toString();
assertThat(Integer.parseInt(multiId)).isBetween(1, 7);
switch (multiId) {
case "1":
assertThat(permission.getStatus()).isEqualTo("Permit");
return;
case "2":
assertThat(permission.getStatus()).isEqualTo("Permit");
return;
case "3":
assertThat(permission.getStatus()).isEqualTo("Deny");
return;
case "4":
assertThat(permission.getStatus()).isEqualTo("Permit");
return;
case "5":
assertThat(permission.getStatus()).isEqualTo("Deny");
return;
case "6":
assertThat(permission.getStatus()).isEqualTo("Deny");
return;
case "7":
assertThat(permission.getStatus()).isEqualTo("Deny");
return;
default:
//
// Should not get here as we check the value range in line 168.
// But CodeStyle wants a default.
//
break;
}
}
}
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