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-rw-r--r--controlloop/common/controller-frankfurt/src/test/java/org/onap/policy/controlloop/FrankfurtBase.java558
-rw-r--r--controlloop/common/controller-frankfurt/src/test/java/org/onap/policy/controlloop/VlbTest.java152
2 files changed, 710 insertions, 0 deletions
diff --git a/controlloop/common/controller-frankfurt/src/test/java/org/onap/policy/controlloop/FrankfurtBase.java b/controlloop/common/controller-frankfurt/src/test/java/org/onap/policy/controlloop/FrankfurtBase.java
new file mode 100644
index 000000000..6e3380ee4
--- /dev/null
+++ b/controlloop/common/controller-frankfurt/src/test/java/org/onap/policy/controlloop/FrankfurtBase.java
@@ -0,0 +1,558 @@
+/*-
+ * ============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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.controlloop;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.awaitility.Awaitility.await;
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertTrue;
+
+import java.io.IOException;
+import java.nio.charset.StandardCharsets;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.util.Collections;
+import java.util.LinkedList;
+import java.util.Properties;
+import java.util.Queue;
+import java.util.concurrent.CountDownLatch;
+import java.util.concurrent.TimeUnit;
+import lombok.Getter;
+import org.apache.commons.io.IOUtils;
+import org.apache.commons.lang3.StringUtils;
+import org.kie.api.event.rule.AfterMatchFiredEvent;
+import org.kie.api.event.rule.BeforeMatchFiredEvent;
+import org.kie.api.event.rule.DefaultAgendaEventListener;
+import org.kie.api.event.rule.DefaultRuleRuntimeEventListener;
+import org.kie.api.event.rule.MatchCancelledEvent;
+import org.kie.api.event.rule.MatchCreatedEvent;
+import org.kie.api.event.rule.ObjectDeletedEvent;
+import org.kie.api.event.rule.ObjectInsertedEvent;
+import org.kie.api.event.rule.ObjectUpdatedEvent;
+import org.kie.api.event.rule.RuleRuntimeEventListener;
+import org.kie.api.runtime.KieSession;
+import org.onap.policy.common.endpoints.event.comm.Topic;
+import org.onap.policy.common.endpoints.event.comm.Topic.CommInfrastructure;
+import org.onap.policy.common.endpoints.event.comm.TopicEndpointManager;
+import org.onap.policy.common.endpoints.event.comm.TopicListener;
+import org.onap.policy.common.endpoints.http.client.HttpClientConfigException;
+import org.onap.policy.common.endpoints.http.client.HttpClientFactoryInstance;
+import org.onap.policy.common.endpoints.http.server.HttpServletServerFactoryInstance;
+import org.onap.policy.common.utils.coder.Coder;
+import org.onap.policy.common.utils.coder.CoderException;
+import org.onap.policy.common.utils.coder.StandardCoder;
+import org.onap.policy.common.utils.resources.ResourceUtils;
+import org.onap.policy.controlloop.drl.legacy.ControlLoopParams;
+import org.onap.policy.drools.persistence.SystemPersistence;
+import org.onap.policy.drools.persistence.SystemPersistenceConstants;
+import org.onap.policy.drools.protocol.coders.EventProtocolCoderConstants;
+import org.onap.policy.drools.system.PolicyController;
+import org.onap.policy.drools.system.PolicyControllerConstants;
+import org.onap.policy.drools.system.PolicyEngine;
+import org.onap.policy.drools.system.PolicyEngineConstants;
+import org.onap.policy.drools.util.KieUtils;
+import org.onap.policy.drools.utils.logging.LoggerUtil;
+import org.onap.policy.models.tosca.authorative.concepts.ToscaPolicy;
+import org.onap.policy.models.tosca.authorative.concepts.ToscaServiceTemplate;
+import org.onap.policy.simulators.Util;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * Use Cases Tests Framework.
+ */
+public abstract class FrankfurtBase {
+
+ private static final Logger logger = LoggerFactory.getLogger(FrankfurtBase.class);
+ private static final StandardCoder coder = new StandardCoder();
+
+ /**
+ * PDP-D Engine.
+ */
+ protected static final PolicyEngine pdpD = PolicyEngineConstants.getManager();
+
+ /**
+ * PDP-D Configuration Repository.
+ */
+ protected static final SystemPersistence repo = SystemPersistenceConstants.getManager();
+
+ /**
+ * Frankfurt controller and session name.
+ */
+ protected static final String CONTROLLER_NAME = "frankfurt";
+
+ /**
+ * Frankfurt controller.
+ */
+ protected static PolicyController controller;
+
+ /*
+ * Canonical Topic Names.
+ */
+ protected static final String DCAE_TOPIC = "DCAE_TOPIC";
+ protected static final String APPC_LCM_WRITE_TOPIC = "APPC-LCM-WRITE";
+ protected static final String POLICY_CL_MGT_TOPIC = "POLICY-CL-MGT";
+ protected static final String APPC_LCM_READ_TOPIC = "APPC-LCM-READ";
+ protected static final String APPC_CL_TOPIC = "APPC-CL";
+
+ protected static void initConfigDir() {
+ SystemPersistenceConstants.getManager().setConfigurationDir("src/test/resources/config");
+ }
+
+ /**
+ * Sets up overall logging.
+ */
+ protected static void setupLogging() {
+ LoggerUtil.setLevel(LoggerUtil.ROOT_LOGGER, "WARN");
+ LoggerUtil.setLevel("org.eclipse.jetty", "WARN");
+ LoggerUtil.setLevel("org.onap.policy.controlloop", "INFO");
+ LoggerUtil.setLevel("network", "INFO");
+ }
+
+ /**
+ * Sets up Drools Logging for events of interest.
+ */
+ protected static void setupDroolsLogging() {
+ KieSession session = PolicyControllerConstants.getFactory().get(CONTROLLER_NAME).getDrools().getContainer()
+ .getPolicySession(CONTROLLER_NAME).getKieSession();
+
+ session.addEventListener(new RuleListenerLogger());
+ session.addEventListener(new AgendaListenerLogger());
+ }
+
+ /**
+ * Sets up Http Clients specified in the property file.
+ */
+ protected static void setUpHttpClients() {
+ try {
+ HttpClientFactoryInstance.getClientFactory().build(
+ SystemPersistenceConstants.getManager().getHttpClientProperties("frankfurt"));
+ } catch (HttpClientConfigException e) {
+ throw new IllegalArgumentException("cannot initialize HTTP clients", e);
+ }
+ }
+
+ /**
+ * Sets up Simulators for use case testing.
+ */
+ protected static void setupSimulators() throws InterruptedException {
+ Util.buildAaiSim();
+ Util.buildSoSim();
+ Util.buildVfcSim();
+ Util.buildGuardSim();
+ Util.buildSdncSim();
+ }
+
+ /**
+ * Returns the runtime Control Loop Parameters associated with a Tosca Policy.
+ */
+ protected ControlLoopParams clParameters(ToscaPolicy policy) {
+ return controller.getDrools().facts(CONTROLLER_NAME, ControlLoopParams.class).stream()
+ .filter((params) -> params.getToscaPolicy() == policy).findFirst().get();
+ }
+
+ protected ToscaPolicy getPolicyFromResource(String resourcePath, String policyName) throws CoderException {
+ String policyJson = ResourceUtils.getResourceAsString(resourcePath);
+ ToscaServiceTemplate serviceTemplate = coder.decode(policyJson, ToscaServiceTemplate.class);
+ ToscaPolicy policy = serviceTemplate.getToscaTopologyTemplate().getPolicies().get(0).get(policyName);
+ assertNotNull(policy);
+
+ /*
+ * name and version are used within a drl. api component and drools core will
+ * ensure that these are populated.
+ */
+ if (StringUtils.isBlank(policy.getName())) {
+ policy.setName(policyName);
+ }
+
+ if (StringUtils.isBlank(policy.getVersion())) {
+ policy.setVersion(policy.getTypeVersion());
+ }
+
+ return serviceTemplate.getToscaTopologyTemplate().getPolicies().get(0).get(policyName);
+ }
+
+ protected ToscaPolicy getPolicyFromFile(String policyPath) throws IOException, CoderException {
+ String rawPolicy = new String(Files.readAllBytes(Paths.get(policyPath)));
+ return coder.decode(rawPolicy, ToscaPolicy.class);
+ }
+
+ private ToscaPolicy setupPolicy(ToscaPolicy policy) throws InterruptedException {
+ final KieObjectExpectedCallback<?> policyTracker = new KieObjectInsertedExpectedCallback<>(policy);
+ final KieObjectExpectedCallback<?> paramsTracker =
+ new KieClassInsertedExpectedCallback<>(ControlLoopParams.class);
+
+ controller.getDrools().offer(policy);
+
+ assertTrue(policyTracker.isNotified());
+ assertTrue(paramsTracker.isNotified());
+
+ assertEquals(1, controller.getDrools().facts(CONTROLLER_NAME, ToscaPolicy.class).stream()
+ .filter((anotherPolicy) -> anotherPolicy == policy).count());
+
+ assertEquals(1, controller.getDrools().facts(CONTROLLER_NAME, ControlLoopParams.class).stream()
+ .filter((params) -> params.getToscaPolicy() == policy).count());
+ return policy;
+ }
+
+ /**
+ * Installs a policy from policy/models (examples) repo.
+ */
+ protected ToscaPolicy setupPolicyFromResource(String resourcePath, String policyName)
+ throws CoderException, InterruptedException {
+ return setupPolicy(getPolicyFromResource(resourcePath, policyName));
+ }
+
+
+ /**
+ * Installs a given policy.
+ */
+ protected ToscaPolicy setupPolicyFromFile(String policyPath)
+ throws IOException, CoderException, InterruptedException {
+ return setupPolicy(getPolicyFromFile(policyPath));
+ }
+
+ /**
+ * Deletes a policy.
+ */
+ protected void deletePolicy(ToscaPolicy policy) throws InterruptedException {
+ ControlLoopParams clParams = clParameters(policy);
+ assertNotNull(clParams);
+
+ final KieObjectExpectedCallback<?> policyTracker = new KieObjectDeletedExpectedCallback<>(policy);
+ final KieObjectExpectedCallback<?> clParamsTracker = new KieObjectDeletedExpectedCallback<>(clParams);
+
+ controller.getDrools().delete(CONTROLLER_NAME, policy);
+ assertTrue(policyTracker.isNotified());
+ assertTrue(clParamsTracker.isNotified());
+
+ assertEquals(0, controller.getDrools().facts(CONTROLLER_NAME, ToscaPolicy.class).stream()
+ .filter((anotherPolicy) -> anotherPolicy == policy).count());
+
+ assertEquals(0, controller.getDrools().facts(CONTROLLER_NAME, ControlLoopParams.class).stream()
+ .filter((params) -> params.getPolicyName() == policy.getName()).count());
+ }
+
+ /**
+ * Prepare a PDP-D to test the Use Cases.
+ */
+ protected static void preparePdpD() throws IOException {
+ KieUtils.installArtifact(Paths.get("src/main/resources/META-INF/kmodule.xml").toFile(),
+ Paths.get("src/test/resources/frankfurt.pom").toFile(),
+ "src/main/resources/org/onap/policy/controlloop/",
+ Collections.singletonList(Paths.get("src/main/resources/frankfurt.drl").toFile()));
+
+ repo.setConfigurationDir("src/test/resources/config");
+ pdpD.configure(new Properties());
+
+ controller = pdpD.createPolicyController(CONTROLLER_NAME, repo.getControllerProperties(CONTROLLER_NAME));
+ pdpD.start();
+
+ setupDroolsLogging();
+ }
+
+ /**
+ * Stop PDP-D.
+ */
+ protected static void stopPdpD() {
+ PolicyControllerConstants.getFactory().shutdown(CONTROLLER_NAME);
+ pdpD.stop();
+ }
+
+ /**
+ * Stops the http clients.
+ */
+ protected static void stopHttpClients() {
+ HttpClientFactoryInstance.getClientFactory().destroy();
+ }
+
+ /**
+ * Stop Simulators.
+ */
+ protected static void stopSimulators() {
+ HttpServletServerFactoryInstance.getServerFactory().destroy();
+ }
+
+ /**
+ * Creates a Topic Sink Callback tracker.
+ */
+ protected <T> TopicCallback<T> createTopicSinkCallback(String topicName, Class<T> clazz) {
+ return new TopicCallback<>(TopicEndpointManager.getManager().getNoopTopicSink(topicName), clazz);
+ }
+
+ /**
+ * Creates a Topic Sink Callback tracker.
+ */
+ protected <T> TopicCallback<T> createTopicSinkCallbackPlain(String topicName, Class<T> clazz, Coder coder) {
+ return new TopicCallbackCoder<>(TopicEndpointManager.getManager().getNoopTopicSink(topicName), clazz, coder);
+ }
+
+ /**
+ * Creates a Topic Source Callback tracker.
+ */
+ protected <T> TopicCallback<T> createTopicSourceCallback(String topicName, Class<T> clazz) {
+ return new TopicCallback<>(TopicEndpointManager.getManager().getNoopTopicSource(topicName), clazz);
+ }
+
+ /**
+ * Injects a message on a Topic Source.
+ */
+ protected void injectOnTopic(String topicName, Path onsetPath) throws IOException {
+ TopicEndpointManager.getManager().getNoopTopicSource(topicName)
+ .offer(new String(Files.readAllBytes(onsetPath)));
+ }
+
+ /**
+ * Injects a message on a Topic Source, with the given substitution..
+ */
+ protected void injectOnTopic(String topicName, Path path, String newText) throws IOException {
+ String text = IOUtils.toString(path.toUri(), StandardCharsets.UTF_8);
+ text = text.replace("${replaceMe}", newText);
+ TopicEndpointManager.getManager().getNoopTopicSource(topicName).offer(text);
+ }
+
+ /**
+ * Waits for LOCK acquisition and getting a Permit from PDP-X to proceed.
+ */
+ protected void waitForLockAndPermit(ToscaPolicy policy, TopicCallback<VirtualControlLoopNotification> policyClMgt) {
+ String policyName = policy.getIdentifier().getName();
+
+ // TODO register a topic listener instead of using await() ?
+
+ await().until(() -> !policyClMgt.getMessages().isEmpty());
+ VirtualControlLoopNotification notif = policyClMgt.getMessages().remove();
+ assertEquals(ControlLoopNotificationType.ACTIVE, notif.getNotification());
+ assertEquals(policyName + ".EVENT", notif.getPolicyName());
+
+ await().until(() -> !policyClMgt.getMessages().isEmpty());
+ notif = policyClMgt.getMessages().remove();
+ assertEquals(ControlLoopNotificationType.OPERATION, notif.getNotification());
+ assertEquals(policyName + ".EVENT.MANAGER.PROCESSING", notif.getPolicyName());
+ assertThat(notif.getMessage()).startsWith("Sending guard query");
+
+ await().until(() -> !policyClMgt.getMessages().isEmpty());
+ notif = policyClMgt.getMessages().remove();
+ assertEquals(ControlLoopNotificationType.OPERATION, notif.getNotification());
+ assertEquals(policyName + ".EVENT.MANAGER.PROCESSING", notif.getPolicyName());
+ assertThat(notif.getMessage()).startsWith("Guard result").endsWith("Permit");
+ }
+
+ /**
+ * Waits for a FINAL SUCCESS transaction notification.
+ */
+ protected void waitForFinalSuccess(ToscaPolicy policy, TopicCallback<VirtualControlLoopNotification> policyClMgt) {
+ await().until(() -> !policyClMgt.getMessages().isEmpty());
+ assertEquals(ControlLoopNotificationType.FINAL_SUCCESS, policyClMgt.getMessages().peek().getNotification());
+ assertEquals(policy.getIdentifier().getName() + ".EVENT.MANAGER.FINAL",
+ policyClMgt.getMessages().remove().getPolicyName());
+ }
+
+ /**
+ * Logs Modifications to Working Memory.
+ */
+ static class RuleListenerLogger implements RuleRuntimeEventListener {
+ @Override
+ public void objectInserted(ObjectInsertedEvent event) {
+ String ruleName = (event.getRule() != null) ? event.getRule().getName() : "null";
+ logger.info("RULE {}: inserted {}", ruleName, event.getObject());
+ }
+
+ @Override
+ public void objectUpdated(ObjectUpdatedEvent event) {
+ String ruleName = (event.getRule() != null) ? event.getRule().getName() : "null";
+ logger.info("RULE {}: updated {}", ruleName, event.getObject());
+
+ }
+
+ @Override
+ public void objectDeleted(ObjectDeletedEvent event) {
+ String ruleName = (event.getRule() != null) ? event.getRule().getName() : "null";
+ logger.info("RULE {}: deleted {}", ruleName, event.getOldObject());
+ }
+ }
+
+ /**
+ * Logs Rule Matches.
+ */
+ static class AgendaListenerLogger extends DefaultAgendaEventListener {
+ @Override
+ public void matchCreated(MatchCreatedEvent event) {
+ logger.info("RULE {}: match created", event.getMatch().getRule().getName());
+ }
+
+ @Override
+ public void matchCancelled(MatchCancelledEvent event) {
+ logger.info("RULE {}: match cancelled", event.getMatch().getRule().getName());
+ }
+
+ @Override
+ public void beforeMatchFired(BeforeMatchFiredEvent event) {
+ logger.info("RULE {}: before match fired", event.getMatch().getRule().getName());
+ }
+
+ @Override
+ public void afterMatchFired(AfterMatchFiredEvent event) {
+ logger.info("RULE {}: after match fired", event.getMatch().getRule().getName());
+ }
+ }
+
+ /**
+ * Base Class to track Working Memory updates for objects of type T.
+ */
+ abstract class KieObjectExpectedCallback<T> extends DefaultRuleRuntimeEventListener {
+ protected T subject;
+
+ protected CountDownLatch countDownLatch = new CountDownLatch(1);
+
+ public KieObjectExpectedCallback(T affected) {
+ subject = affected;
+ register();
+ }
+
+ public boolean isNotified() throws InterruptedException {
+ return countDownLatch.await(9L, TimeUnit.SECONDS);
+ }
+
+ protected void callbacked() {
+ unregister();
+ countDownLatch.countDown();
+ }
+
+ public KieObjectExpectedCallback<T> register() {
+ controller.getDrools().getContainer().getPolicySession(CONTROLLER_NAME).getKieSession()
+ .addEventListener(this);
+ return this;
+ }
+
+ public KieObjectExpectedCallback<T> unregister() {
+ controller.getDrools().getContainer().getPolicySession(CONTROLLER_NAME).getKieSession()
+ .removeEventListener(this);
+ return this;
+ }
+ }
+
+ /**
+ * Tracks inserts in Working Memory for an object of type T.
+ */
+ class KieObjectInsertedExpectedCallback<T> extends KieObjectExpectedCallback<T> {
+ public KieObjectInsertedExpectedCallback(T affected) {
+ super(affected);
+ }
+
+ @Override
+ public void objectInserted(ObjectInsertedEvent event) {
+ if (subject == event.getObject()) {
+ callbacked();
+ }
+ }
+ }
+
+ /**
+ * Tracks deletes in Working Memory of an object of type T.
+ */
+ class KieObjectDeletedExpectedCallback<T> extends KieObjectExpectedCallback<T> {
+ public KieObjectDeletedExpectedCallback(T affected) {
+ super(affected);
+ }
+
+ @Override
+ public void objectDeleted(ObjectDeletedEvent event) {
+ if (subject == event.getOldObject()) {
+ callbacked();
+ }
+ }
+ }
+
+ /**
+ * Tracks inserts in Working Memory for any object of class T.
+ */
+ class KieClassInsertedExpectedCallback<T> extends KieObjectInsertedExpectedCallback<T> {
+
+ public KieClassInsertedExpectedCallback(T affected) {
+ super(affected);
+ }
+
+ public void objectInserted(ObjectInsertedEvent event) {
+ if (subject == event.getObject().getClass()) {
+ callbacked();
+ }
+ }
+ }
+
+ /**
+ * Tracks callbacks from topics.
+ */
+ class TopicCallback<T> implements TopicListener {
+ protected final Topic topic;
+ protected final Class<T> expectedClass;
+
+ @Getter
+ protected Queue<T> messages = new LinkedList<>();
+
+ public TopicCallback(Topic topic, Class<T> expectedClass) {
+ this.topic = topic;
+ this.expectedClass = expectedClass;
+ this.topic.register(this);
+ }
+
+ public TopicCallback<T> register() {
+ this.topic.register(this);
+ return this;
+ }
+
+ public TopicCallback<T> unregister() {
+ this.topic.unregister(this);
+ return this;
+ }
+
+ @Override
+ @SuppressWarnings("unchecked")
+ public void onTopicEvent(CommInfrastructure comm, String topic, String event) {
+ try {
+ messages.add((T) EventProtocolCoderConstants.getManager().decode(controller.getDrools().getGroupId(),
+ controller.getDrools().getArtifactId(), topic, event));
+ } catch (Exception e) {
+ logger.warn("invalid mapping in topic {} for event {}", topic, event, e);
+ }
+ }
+ }
+
+ class TopicCallbackCoder<T> extends TopicCallback<T> {
+ private final Coder coder;
+
+ public TopicCallbackCoder(Topic topic, Class<T> expectedClass, Coder coder) {
+ super(topic, expectedClass);
+ this.coder = coder;
+ }
+
+ @Override
+ public void onTopicEvent(CommInfrastructure comm, String topic, String event) {
+ try {
+ messages.add((T) coder.decode(event, expectedClass));
+ } catch (Exception e) {
+ logger.warn("invalid mapping in topic {} for event {}", topic, event, e);
+ }
+ }
+
+ }
+}
diff --git a/controlloop/common/controller-frankfurt/src/test/java/org/onap/policy/controlloop/VlbTest.java b/controlloop/common/controller-frankfurt/src/test/java/org/onap/policy/controlloop/VlbTest.java
new file mode 100644
index 000000000..4e5a6e3c7
--- /dev/null
+++ b/controlloop/common/controller-frankfurt/src/test/java/org/onap/policy/controlloop/VlbTest.java
@@ -0,0 +1,152 @@
+/*-
+ * ============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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.controlloop;
+
+import static org.awaitility.Awaitility.await;
+import static org.junit.Assert.assertEquals;
+
+import java.io.IOException;
+import java.nio.file.Paths;
+import org.junit.After;
+import org.junit.AfterClass;
+import org.junit.Before;
+import org.junit.BeforeClass;
+import org.junit.Test;
+import org.onap.policy.common.utils.coder.CoderException;
+import org.onap.policy.models.tosca.authorative.concepts.ToscaPolicy;
+
+/**
+ * VLB Use Case Tests.
+ */
+public class VlbTest extends FrankfurtBase {
+
+ /**
+ * VLB Tosca Policy File.
+ */
+ private static final String TOSCA_LEGACY_POLICY_VLB = "src/test/resources/vlb/tosca-vlb.json";
+ private static final String TOSCA_COMPLIANT_POLICY_VLB = "src/test/resources/vlb/tosca-compliant-vlb.json";
+
+ /*
+ * VLB Use case Messages.
+ */
+ private static final String ONSET = "src/test/resources/vlb/vlb.onset.json";
+
+ /*
+ * Topic trackers used by the VLB use case.
+ */
+ private TopicCallback<VirtualControlLoopNotification> policyClMgt;
+
+ /*
+ * VLB Tosca Policy.
+ */
+ private ToscaPolicy policy;
+
+ /**
+ * Prepare PDP-D Framework for testing.
+ */
+ @BeforeClass
+ public static void prepareResouces() throws InterruptedException, IOException {
+ initConfigDir();
+ setupLogging();
+ preparePdpD();
+ setUpHttpClients();
+ setupSimulators();
+ }
+
+ /**
+ * Take down the resources used by the test framework.
+ */
+ @AfterClass
+ public static void takeDownResources() {
+ stopPdpD();
+ stopSimulators();
+ }
+
+ /**
+ * Observe Topics.
+ */
+ @Before
+ public void topicsRegistration() {
+ policyClMgt = createTopicSinkCallback(POLICY_CL_MGT_TOPIC, VirtualControlLoopNotification.class);
+ }
+
+ /**
+ * Unregister Topic Callbacks and uninstall the policy.
+ */
+ @After
+ public void topicsUnregistration() throws InterruptedException {
+ if (policyClMgt != null) {
+ policyClMgt.unregister();
+ }
+
+ // uninstall the policy
+ assertEquals(2, controller.getDrools().factCount(CONTROLLER_NAME));
+ if (policy != null) {
+ deletePolicy(policy);
+ }
+ assertEquals(0, controller.getDrools().factCount(CONTROLLER_NAME));
+ }
+
+ /**
+ * Sunny Day with Legacy Tosca Policy.
+ */
+ @Test
+ public void sunnyDayLegacy() throws InterruptedException, CoderException, IOException {
+ assertEquals(0, controller.getDrools().factCount(CONTROLLER_NAME));
+ policy = setupPolicyFromFile(TOSCA_LEGACY_POLICY_VLB);
+ assertEquals(2, controller.getDrools().factCount(CONTROLLER_NAME));
+
+ sunnyDay();
+ }
+
+ /**
+ * Sunny Day with Tosca Compliant Policy.
+ */
+ @Test
+ public void sunnyDayCompliant() throws InterruptedException, CoderException, IOException {
+ assertEquals(0, controller.getDrools().factCount(CONTROLLER_NAME));
+ policy = setupPolicyFromFile(TOSCA_COMPLIANT_POLICY_VLB);
+ assertEquals(2, controller.getDrools().factCount(CONTROLLER_NAME));
+
+ sunnyDay();
+ }
+
+ /**
+ * Sunny day scenario for the VCPE use case.
+ */
+ private void sunnyDay() throws IOException {
+
+ /* Inject an ONSET event over the DCAE topic */
+ injectOnTopic(DCAE_TOPIC, Paths.get(ONSET));
+
+ /* Wait to acquire a LOCK and a PDP-X PERMIT */
+ waitForLockAndPermit(policy, policyClMgt);
+
+ /* Ensure that the VLB SO Operation was successfully completed */
+
+ await().until(() -> !policyClMgt.getMessages().isEmpty());
+ assertEquals(ControlLoopNotificationType.OPERATION_SUCCESS,
+ policyClMgt.getMessages().remove().getNotification());
+
+ /* --- VLB Transaction Completed --- */
+ waitForFinalSuccess(policy, policyClMgt);
+ }
+}