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/*-
* ============LICENSE_START=======================================================
* ONAP
* ================================================================================
* Copyright (C) 2019 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.optimization;
import static org.assertj.core.api.Assertions.assertThat;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.util.Iterator;
import java.util.Properties;
import java.util.ServiceLoader;
import org.junit.BeforeClass;
import org.junit.ClassRule;
import org.junit.FixMethodOrder;
import org.junit.Test;
import org.junit.rules.TemporaryFolder;
import org.junit.runners.MethodSorters;
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.models.tosca.authorative.concepts.ToscaPolicyTypeIdentifier;
import org.onap.policy.pdp.xacml.application.common.TestUtils;
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.slf4j.Logger;
import org.slf4j.LoggerFactory;
@FixMethodOrder(MethodSorters.NAME_ASCENDING)
public class OptimizationPdpApplicationTest {
private static final Logger LOGGER = LoggerFactory.getLogger(OptimizationPdpApplicationTest.class);
private static Properties properties = new Properties();
private static File propertiesFile;
private static XacmlApplicationServiceProvider service;
private static StandardCoder gson = new StandardCoder();
private static DecisionRequest requestAffinity;
@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 {
//
// Load Single Decision Request
//
requestAffinity = gson.decode(
TextFileUtils
.getTextFileAsString(
"../../main/src/test/resources/decisions/decision.optimization.affinity.input.json"),
DecisionRequest.class);
//
// Setup our temporary folder
//
XacmlPolicyUtils.FileCreator myCreator = (String filename) -> policyFolder.newFile(filename);
propertiesFile = XacmlPolicyUtils.copyXacmlPropertiesContents("src/test/resources/xacml.properties",
properties, myCreator);
//
// Load service
//
ServiceLoader<XacmlApplicationServiceProvider> applicationLoader =
ServiceLoader.load(XacmlApplicationServiceProvider.class);
//
// Iterate through Xacml application services and find
// the optimization service. Save it for use throughout
// all the Junit tests.
//
StringBuilder strDump = new StringBuilder("Loaded applications:" + System.lineSeparator());
Iterator<XacmlApplicationServiceProvider> iterator = applicationLoader.iterator();
while (iterator.hasNext()) {
XacmlApplicationServiceProvider application = iterator.next();
//
// Is it our service?
//
if (application instanceof OptimizationPdpApplication) {
//
// Should be the first and only one
//
assertThat(service).isNull();
service = application;
}
strDump.append(application.applicationName());
strDump.append(" supports ");
strDump.append(application.supportedPolicyTypes());
strDump.append(System.lineSeparator());
}
LOGGER.debug("{}", strDump);
//
// Tell it to initialize based on the properties file
// we just built for it.
//
service.initialize(propertiesFile.toPath().getParent());
}
@Test
public void test1Basics() {
//
// Make sure there's an application name
//
assertThat(service.applicationName()).isNotEmpty();
//
// Decisions
//
assertThat(service.actionDecisionsSupported().size()).isEqualTo(1);
assertThat(service.actionDecisionsSupported()).contains("optimize");
//
// Ensure it has the supported policy types and
// can support the correct policy types.
//
assertThat(service.canSupportPolicyType(new ToscaPolicyTypeIdentifier(
"onap.policies.optimization.AffinityPolicy", "1.0.0"))).isTrue();
assertThat(service.canSupportPolicyType(new ToscaPolicyTypeIdentifier(
"onap.foobar", "1.0.0"))).isFalse();
}
@Test
public void test2NoPolicies() {
//
// Ask for a decision
//
DecisionResponse response = service.makeDecision(requestAffinity);
LOGGER.info("Decision {}", response);
assertThat(response).isNotNull();
assertThat(response.getPolicies().size()).isEqualTo(0);
}
@Test
public void test3AddOptimizationPolicies() throws CoderException, FileNotFoundException, IOException,
XacmlApplicationException {
//
// Now load the optimization policies
//
TestUtils.loadPolicies("src/test/resources/vCPE.policies.optimization.input.tosca.yaml", service);
//
// Ask for a decision
//
DecisionResponse response = service.makeDecision(requestAffinity);
LOGGER.info("Decision {}", response);
assertThat(response).isNotNull();
assertThat(response.getPolicies().size()).isEqualTo(1);
//
// Dump it out as Json
//
LOGGER.info(gson.encode(response));
}
}
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