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/*-
* ============LICENSE_START=======================================================
* ONAP
* ================================================================================
* Copyright (C) 2020 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.
*
* SPDX-License-Identifier: Apache-2.0
* ============LICENSE_END=========================================================
*/
package org.onap.policy.xacml.pdp.application.nativ;
import static org.assertj.core.api.Assertions.assertThat;
import com.att.research.xacml.api.Decision;
import com.att.research.xacml.api.Request;
import com.att.research.xacml.api.Response;
import com.att.research.xacml.std.dom.DOMRequest;
import com.att.research.xacml.std.dom.DOMResponse;
import java.io.File;
import java.util.Properties;
import java.util.ServiceLoader;
import org.junit.BeforeClass;
import org.junit.ClassRule;
import org.junit.Test;
import org.junit.rules.TemporaryFolder;
import org.onap.policy.common.endpoints.parameters.RestServerParameters;
import org.onap.policy.common.utils.resources.TextFileUtils;
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 NativePdpApplicationTest {
private static final Logger LOGGER = LoggerFactory.getLogger(NativePdpApplicationTest.class);
private static final String PERMIT = "Permit";
private static Properties properties = new Properties();
private static File propertiesFile;
private static RestServerParameters clientParams = new RestServerParameters();
private static NativePdpApplication service;
private static Request request;
@ClassRule
public static final TemporaryFolder policyFolder = new TemporaryFolder();
/**
* Copies the xacml.properties and policies files into
* temporary folder and loads the service provider saving
* instance of provider off for other tests to use.
*/
@BeforeClass
public static void setup() throws Exception {
LOGGER.info("Setting up class");
//
// Setup our temporary folder
//
XacmlPolicyUtils.FileCreator myCreator = (filename) -> policyFolder.newFile(filename);
propertiesFile = XacmlPolicyUtils.copyXacmlPropertiesContents("src/test/resources/xacml.properties",
properties, myCreator);
//
// Load service
//
ServiceLoader<XacmlApplicationServiceProvider> applicationLoader =
ServiceLoader.load(XacmlApplicationServiceProvider.class);
//
// Find the native application and save for use in all the tests
//
StringBuilder strDump = new StringBuilder("Loaded applications:" + XacmlPolicyUtils.LINE_SEPARATOR);
for (XacmlApplicationServiceProvider application : applicationLoader) {
//
// Is it our service?
//
if (application instanceof NativePdpApplication) {
//
// Should be the first and only one
//
assertThat(service).isNull();
service = (NativePdpApplication) application;
}
strDump.append(application.applicationName());
strDump.append(" supports ");
strDump.append(application.supportedPolicyTypes());
strDump.append(XacmlPolicyUtils.LINE_SEPARATOR);
}
LOGGER.info("{}", strDump);
//
// Tell it to initialize based on the properties file
// we just built for it.
//
service.initialize(propertiesFile.toPath().getParent(), clientParams);
//
// Load XACML Request
//
request = DOMRequest.load(
TextFileUtils.getTextFileAsString(
"src/test/resources/requests/native.policy.request.xml"));
}
@Test
public void testNativePolicy() throws Exception {
LOGGER.info("*********** Running native policy test *************");
//
// Now load the TOSCA compliant native policy - make sure
// the pdp can support it and have it load into the PDP.
//
TestUtils.loadPolicies("src/test/resources/policies/native.policy.yaml", service);
//
// Send the request and verify decision result
//
requestAndCheckDecision(request, PERMIT);
}
/**
* Request a decision and check that it matches expectation.
*
* @param request to send to XACML PDP
* @param expected from the response
* @throws Exception on errors requesting a decision and checking the returned decision
*
**/
private void requestAndCheckDecision(Request request, String expected) throws Exception {
//
// Ask for a decision
//
Response decision = service.makeNativeDecision(request);
//
// Check decision
//
checkDecision(expected, decision);
}
/**
* Check that decision matches expectation.
*
* @param expected from the response
* @param response received
* @throws Exception on errors checking the decision
*
**/
public void checkDecision(String expected, Response response) throws Exception {
LOGGER.info("Looking for {} Decision", expected);
assertThat(response).isNotNull();
Decision decision = response.getResults().iterator().next().getDecision();
assertThat(decision).isNotNull();
assertThat(decision.toString()).isEqualTo(expected);
LOGGER.info("Xacml response we received {}", DOMResponse.toString(response));
}
}
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