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/*-
* ============LICENSE_START=======================================================
* Copyright (C) 2020-2022 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.pdpx.main.rest;
import static org.assertj.core.api.Assertions.assertThat;
import static org.assertj.core.api.Assertions.assertThatCode;
import static org.assertj.core.api.Assertions.assertThatExceptionOfType;
import java.io.File;
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.nio.file.StandardCopyOption;
import java.util.Map;
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.StandardYamlCoder;
import org.onap.policy.common.utils.resources.ResourceUtils;
import org.onap.policy.models.decisions.concepts.DecisionRequest;
import org.onap.policy.models.tosca.authorative.concepts.ToscaPolicy;
import org.onap.policy.models.tosca.authorative.concepts.ToscaServiceTemplate;
import org.onap.policy.models.tosca.simple.concepts.JpaToscaServiceTemplate;
import org.onap.policy.pdp.xacml.application.common.XacmlApplicationException;
import org.onap.policy.pdpx.main.parameters.CommonTestData;
import org.onap.policy.pdpx.main.parameters.XacmlApplicationParameters;
import org.onap.policy.xacml.pdp.application.nativ.NativePdpApplication;
import org.onap.policy.xacml.pdp.application.optimization.OptimizationPdpApplication;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class XacmlPdpApplicationManagerTest {
private static final Logger LOGGER = LoggerFactory.getLogger(XacmlPdpApplicationManagerTest.class);
private static final StandardYamlCoder yamlCoder = new StandardYamlCoder();
private static Path appsDirectory;
private static ToscaServiceTemplate completedJtst;
private static CommonTestData testData = new CommonTestData();
@ClassRule
public static final TemporaryFolder appsFolder = new TemporaryFolder();
/**
* setupTestEnvironment.
*
* @throws Exception Exception if anything is missing
*/
@BeforeClass
public static void setupTestEnvironment() throws Exception {
//
// Load an example policy
//
String policyYaml = ResourceUtils
.getResourceAsString("../applications/monitoring/src/test/resources/vDNS.policy.input.yaml");
//
// Serialize it into a class
//
ToscaServiceTemplate serviceTemplate;
try {
serviceTemplate = yamlCoder.decode(policyYaml, ToscaServiceTemplate.class);
} catch (CoderException e) {
throw new XacmlApplicationException("Failed to decode policy from resource file", e);
}
//
// Make sure all the fields are setup properly
//
JpaToscaServiceTemplate jtst = new JpaToscaServiceTemplate();
jtst.fromAuthorative(serviceTemplate);
completedJtst = jtst.toAuthorative();
//
// We need at least 1 policies
//
assertThat(completedJtst).isNotNull();
assertThat(completedJtst.getToscaTopologyTemplate().getPolicies()).isNotEmpty();
//
// Copy test directory over of the application directories
//
Path src = Paths.get("src/test/resources/apps");
File apps = appsFolder.newFolder("apps");
Files.walk(src).forEach(source -> {
copy(source, apps.toPath().resolve(src.relativize(source)));
});
appsDirectory = apps.toPath();
}
@Test
public void testXacmlPdpApplicationManagerBadPath() throws Exception {
//
// Make up a non existent directory to initialize from
//
Path nonExistentPath = Paths.get(appsFolder.getRoot().getAbsolutePath(), "nonexistent");
final XacmlApplicationParameters xacmlApplicationParameters =
testData.toObject(testData.getXacmlapplicationParametersMap(false,
nonExistentPath.toString()), XacmlApplicationParameters.class);
//
// Create our app manager
//
XacmlPdpApplicationManager manager = new XacmlPdpApplicationManager(xacmlApplicationParameters, null);
//
// Still creates the manager, but the apps were not able to initialize
//
assertThat(manager).isNotNull();
assertThat(manager.findNativeApplication()).isNull();
//
// Now create the directory
//
Files.createDirectory(nonExistentPath);
manager = new XacmlPdpApplicationManager(xacmlApplicationParameters, null);
//
// Now it should have initialized the apps
//
assertThat(manager).isNotNull();
assertThat(manager.findNativeApplication()).isNull();
}
@Test
public void testXacmlPdpApplicationManagerSimple() {
final String[] exclusions = {"org.onap.policy.xacml.pdp.application.guard.GuardPdpApplication",
"org.onap.policy.xacml.pdp.application.match.MatchPdpApplication" };
final XacmlApplicationParameters xacmlApplicationParameters =
testData.toObject(testData.getXacmlapplicationParametersMap(false,
appsDirectory.toString(), exclusions), XacmlApplicationParameters.class);
XacmlPdpApplicationManager manager = new XacmlPdpApplicationManager(xacmlApplicationParameters, null);
//
// Test the basics from the startup
//
assertThat(manager).isNotNull();
assertThat(manager.getPolicyCount()).isZero();
assertThat(manager.getPolicyTypeCount()).isEqualTo(18);
assertThat(manager.getToscaPolicies()).isEmpty();
assertThat(manager.getToscaPolicyIdentifiers()).isEmpty();
assertThat(manager.getToscaPolicyTypeIdents()).hasSize(18);
assertThat(manager.findNativeApplication()).isInstanceOf(NativePdpApplication.class);
DecisionRequest request = new DecisionRequest();
request.setAction("optimize");
assertThat(manager.findApplication(request)).isInstanceOf(OptimizationPdpApplication.class);
request.setAction("guard");
assertThat(manager.findApplication(request)).isInstanceOf(TestGuardOverrideApplication.class);
//
// Test Exclusion
//
request.setAction("match");
assertThat(manager.findApplication(request)).isNull();
//
// Try to unload a policy that isn't loaded
//
ToscaPolicy policy = null;
for (Map<String, ToscaPolicy> map : completedJtst.getToscaTopologyTemplate().getPolicies()) {
policy = map.get("onap.scaleout.tca");
}
assertThat(policy).isNotNull();
//
// Without this being set, it throws NonNull Exception
//
policy.setTypeVersion("1.0.0");
//
// Try loading and unloading
//
final ToscaPolicy policyFinal = policy;
assertThatCode(() -> {
manager.removeUndeployedPolicy(policyFinal);
assertThat(manager.getPolicyCount()).isZero();
manager.loadDeployedPolicy(policyFinal);
assertThat(manager.getPolicyCount()).isEqualTo(1);
manager.removeUndeployedPolicy(policyFinal);
assertThat(manager.getPolicyCount()).isZero();
}).doesNotThrowAnyException();
//
// try loading something unsupported
//
assertThatExceptionOfType(XacmlApplicationException.class).isThrownBy(() -> {
ToscaPolicy unsupportedPolicy = new ToscaPolicy();
unsupportedPolicy.setType("I.am.not.supported");
unsupportedPolicy.setTypeVersion("5.5.5");
manager.loadDeployedPolicy(unsupportedPolicy);
});
}
private static void copy(Path source, Path dest) {
try {
Files.copy(source, dest, StandardCopyOption.REPLACE_EXISTING);
} catch (IOException e) {
LOGGER.error("Failed to copy {} to {}", source, dest);
}
}
}
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