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/*-
* ============LICENSE_START=======================================================
* feature-test-transaction
* ================================================================================
* Copyright (C) 2017-2019 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.testtransaction;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.Properties;
import java.util.Set;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;
import org.junit.BeforeClass;
import org.junit.Test;
import org.onap.policy.drools.persistence.SystemPersistence;
import org.onap.policy.drools.properties.DroolsProperties;
import org.onap.policy.drools.system.PolicyController;
import org.onap.policy.drools.system.PolicyEngine;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class TestTransactionTest {
/** Test JUnit Controller Name. */
public static final String TEST_CONTROLLER_NAME = "unnamed";
/** Controller Configuration File. */
public static final String TEST_CONTROLLER_FILE = TEST_CONTROLLER_NAME + "-controller.properties";
/** Controller Configuration Backup File. */
public static final String TEST_CONTROLLER_FILE_BAK =
TEST_CONTROLLER_NAME + "-controller.properties.bak";
/** logger. */
private static Logger logger = LoggerFactory.getLogger(TestTransactionTest.class);
/**
* Start up.
*
* @throws IOException exception
*/
@BeforeClass
public static void startUp() throws IOException {
logger.info("enter");
cleanUpWorkingDir();
/* ensure presence of config directory */
SystemPersistence.manager.setConfigurationDir(null);
}
@Test
public void registerUnregisterTest() throws InterruptedException {
final Properties controllerProperties = new Properties();
controllerProperties.put(DroolsProperties.PROPERTY_CONTROLLER_NAME, TEST_CONTROLLER_NAME);
final PolicyController controller =
PolicyEngine.manager.createPolicyController(TEST_CONTROLLER_NAME, controllerProperties);
assertNotNull(PolicyController.factory.get(TEST_CONTROLLER_NAME));
logger.info(controller.toString());
CountDownLatch latch = new CountDownLatch(1);
// use our own impl so we can decrement the latch when run() completes
TtImpl impl = new TtImpl() {
@Override
protected TtControllerTask makeControllerTask(PolicyController controller) {
return new TtControllerTask(controller) {
@Override
public void run() {
super.run();
latch.countDown();
}
};
}
};
impl.register(controller);
assertNotNull(TestTransaction.manager);
/*
* Unregistering the controller should terminate its TestTransaction thread if it hasn't already
* been terminated
*/
impl.unregister(controller);
Thread ttThread = getThread(latch, "tt-controller-task-" + TEST_CONTROLLER_NAME);
assertEquals(null, ttThread);
}
/**
* Returns thread object based on String name.
* @param latch indicates when the thread has finished running
* @param threadName thread name
* @return the thread
* @throws InterruptedException exception
*/
public Thread getThread(CountDownLatch latch, String threadName) throws InterruptedException {
// give a chance to the transaction thread to be spawned/destroyed
latch.await(5, TimeUnit.SECONDS);
final Set<Thread> threadSet = Thread.getAllStackTraces().keySet();
for (final Thread thread : threadSet) {
if (thread.getName().equals(threadName)) {
return thread;
}
}
return null;
}
/** clean up working directory. */
protected static void cleanUpWorkingDir() {
final Path testControllerPath =
Paths.get(
SystemPersistence.manager.getConfigurationPath().toString(), TEST_CONTROLLER_FILE);
try {
Files.deleteIfExists(testControllerPath);
} catch (final Exception e) {
logger.info("Problem cleaning {}", testControllerPath, e);
}
final Path testControllerBakPath =
Paths.get(
SystemPersistence.manager.getConfigurationPath().toString(), TEST_CONTROLLER_FILE_BAK);
try {
Files.deleteIfExists(testControllerBakPath);
} catch (final Exception e) {
logger.info("Problem cleaning {}", testControllerBakPath, e);
}
}
}
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