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/*-
* ============LICENSE_START=======================================================
* ONAP
* ================================================================================
* Copyright (C) 2018-2019 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.
* ============LICENSE_END=========================================================
*/
package org.onap.policy.drools.apps.controlloop.feature.trans;
import static org.awaitility.Awaitility.await;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertTrue;
import java.nio.file.Path;
import java.util.UUID;
import java.util.concurrent.TimeUnit;
import org.junit.AfterClass;
import org.junit.BeforeClass;
import org.junit.Test;
import org.onap.policy.common.endpoints.event.comm.Topic.CommInfrastructure;
import org.onap.policy.controlloop.ControlLoopNotificationType;
import org.onap.policy.controlloop.VirtualControlLoopNotification;
import org.onap.policy.drools.persistence.SystemPersistence;
import org.onap.policy.drools.system.PolicyController;
import org.onap.policy.drools.system.PolicyEngine;
/**
* ControlLoopMetrics Tests.
*/
public class ControlLoopMetricsFeatureTest {
private static final String POLICY_CL_MGT = "POLICY-CL-MGT";
private static final Path configPath = SystemPersistence.manager.getConfigurationPath();
private static PolicyController testController;
/**
* Setup method.
*/
@BeforeClass
public static void setUp() {
SystemPersistence.manager.setConfigurationDir("src/test/resources");
testController = PolicyEngine.manager.createPolicyController("metrics",
SystemPersistence.manager.getControllerProperties("metrics"));
}
@AfterClass
public static void tearDown() {
SystemPersistence.manager.setConfigurationDir(configPath.toString());
}
@Test
public void cacheDefaults() {
assertEquals(3, ControlLoopMetrics.manager.getCacheSize());
assertEquals(2, ControlLoopMetrics.manager.getTransactionTimeout());
assertEquals(0, ControlLoopMetrics.manager.getCacheOccupancy());
}
@Test
public void invalidNotifications() {
ControlLoopMetricsFeature feature = new ControlLoopMetricsFeature();
VirtualControlLoopNotification notification = new VirtualControlLoopNotification();
feature.beforeDeliver(testController, CommInfrastructure.DMAAP, POLICY_CL_MGT, notification);
this.cacheDefaults();
UUID requestId = UUID.randomUUID();
notification.setRequestId(requestId);
feature.beforeDeliver(testController, CommInfrastructure.DMAAP, POLICY_CL_MGT, notification);
assertNull(ControlLoopMetrics.manager.getTransaction(requestId));
this.cacheDefaults();
}
@Test
public void validActiveNotification() throws InterruptedException {
ControlLoopMetricsFeature feature = new ControlLoopMetricsFeature();
VirtualControlLoopNotification notification = new VirtualControlLoopNotification();
UUID requestId = UUID.randomUUID();
notification.setRequestId(requestId);
notification.setNotification(ControlLoopNotificationType.ACTIVE);
feature.beforeDeliver(testController, CommInfrastructure.DMAAP, POLICY_CL_MGT, notification);
assertNotNull(ControlLoopMetrics.manager.getTransaction(requestId));
assertTrue(ControlLoopMetrics.manager.getTransaction(requestId).getFrom().contains(testController.getName()));
assertNotNull(ControlLoopMetrics.manager.getTransaction(requestId).getNotificationTime());
assertTrue(ControlLoopMetrics.manager.getCacheOccupancy() == 1);
/* wait for the entries to expire */
await().atMost(ControlLoopMetrics.manager.getTransactionTimeout() + 1, TimeUnit.SECONDS)
.until(() -> ControlLoopMetrics.manager.getTransaction(requestId) == null);
this.cacheDefaults();
}
@Test
public void reset() {
VirtualControlLoopNotification notification = this.generateNotification();
new ControlLoopMetricsFeature().beforeDeliver(testController, CommInfrastructure.DMAAP, POLICY_CL_MGT,
notification);
assertNotNull(ControlLoopMetrics.manager.getTransaction(notification.getRequestId()));
ControlLoopMetrics.manager.resetCache(ControlLoopMetrics.manager.getCacheSize(),
ControlLoopMetrics.manager.getTransactionTimeout());
assertNull(ControlLoopMetrics.manager.getTransaction(notification.getRequestId()));
this.cacheDefaults();
}
@Test
public void removeTransaction() {
VirtualControlLoopNotification notification = this.generateNotification();
assertNull(ControlLoopMetrics.manager.getTransaction(notification.getRequestId()));
ControlLoopMetrics.manager.removeTransaction(notification.getRequestId());
ControlLoopMetrics.manager.transactionEvent(testController, notification);
assertNotNull(ControlLoopMetrics.manager.getTransaction(notification.getRequestId()));
ControlLoopMetrics.manager.removeTransaction(notification.getRequestId());
assertNull(ControlLoopMetrics.manager.getTransaction(notification.getRequestId()));
}
@Test
public void eviction() throws InterruptedException {
ControlLoopMetricsFeature feature = new ControlLoopMetricsFeature();
for (int i = 0; i < ControlLoopMetrics.manager.getCacheSize(); i++) {
VirtualControlLoopNotification notification = generateNotification();
feature.beforeDeliver(testController, CommInfrastructure.DMAAP, POLICY_CL_MGT, notification);
assertNotNull(ControlLoopMetrics.manager.getTransaction(notification.getRequestId()));
}
assertEquals(ControlLoopMetrics.manager.getCacheOccupancy(), ControlLoopMetrics.manager.getCacheOccupancy());
VirtualControlLoopNotification overflowNotification = generateNotification();
feature.beforeDeliver(testController, CommInfrastructure.DMAAP, POLICY_CL_MGT, overflowNotification);
assertEquals(ControlLoopMetrics.manager.getCacheOccupancy(), ControlLoopMetrics.manager.getCacheOccupancy());
assertNotNull(ControlLoopMetrics.manager.getTransaction(overflowNotification.getRequestId()));
assertTrue(ControlLoopMetrics.manager.getTransactionIds().size() == ControlLoopMetrics.manager.getCacheSize());
assertTrue(ControlLoopMetrics.manager.getCacheOccupancy() == ControlLoopMetrics.manager.getCacheSize());
assertFalse(ControlLoopMetrics.manager.getTransactionIds().isEmpty());
assertFalse(ControlLoopMetrics.manager.getTransactions().isEmpty());
/* wait for the entries to expire */
await().atMost(ControlLoopMetrics.manager.getTransactionTimeout() + 1, TimeUnit.SECONDS)
.until(() -> ControlLoopMetrics.manager.getTransactions().isEmpty());
ControlLoopMetrics.manager.refresh();
assertTrue(ControlLoopMetrics.manager.getTransactionIds().size() == ControlLoopMetrics.manager
.getCacheOccupancy());
assertFalse(ControlLoopMetrics.manager.getCacheOccupancy() == ControlLoopMetrics.manager.getCacheSize());
assertTrue(ControlLoopMetrics.manager.getTransactionIds().isEmpty());
assertTrue(ControlLoopMetrics.manager.getTransactions().isEmpty());
this.cacheDefaults();
}
private VirtualControlLoopNotification generateNotification() {
VirtualControlLoopNotification notification = new VirtualControlLoopNotification();
UUID requestId = UUID.randomUUID();
notification.setRequestId(requestId);
notification.setNotification(ControlLoopNotificationType.ACTIVE);
return notification;
}
@Test
public void getSequenceNumber() {
ControlLoopMetricsFeature feature = new ControlLoopMetricsFeature();
assertTrue(feature.getSequenceNumber() == ControlLoopMetricsFeature.FEATURE_SEQUENCE_PRIORITY);
}
}
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