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authorMagnusen, Drew (dm741q) <dm741q@att.com>2018-03-21 16:44:45 -0500
committerMagnusen, Drew (dm741q) <dm741q@att.com>2018-04-03 14:05:18 -0500
commitfff9b57f7411deb798431bd625944fcfdbe053ac (patch)
treec1d7b2d23df54a61a15cd0804f7cce3b42c527f7 /feature-distributed-locking/src/test/java/org/onap
parent54bc3867539264a518c88772e82ea8070ef97c79 (diff)
Implementation of distributed locking feature
This feature is a very basic implementation of a distributed locking system. Issue-ID: POLICY-699 Change-Id: I012fd37926ccbbdd87a3e4acb2788b53680115f0 Signed-off-by: Magnusen, Drew (dm741q) <dm741q@att.com>
Diffstat (limited to 'feature-distributed-locking/src/test/java/org/onap')
-rw-r--r--feature-distributed-locking/src/test/java/org/onap/policy/distributed/locking/test/DistributedLockingFeatureExceptionTest.java36
-rw-r--r--feature-distributed-locking/src/test/java/org/onap/policy/distributed/locking/test/TargetLockTest.java220
2 files changed, 256 insertions, 0 deletions
diff --git a/feature-distributed-locking/src/test/java/org/onap/policy/distributed/locking/test/DistributedLockingFeatureExceptionTest.java b/feature-distributed-locking/src/test/java/org/onap/policy/distributed/locking/test/DistributedLockingFeatureExceptionTest.java
new file mode 100644
index 00000000..ea53e522
--- /dev/null
+++ b/feature-distributed-locking/src/test/java/org/onap/policy/distributed/locking/test/DistributedLockingFeatureExceptionTest.java
@@ -0,0 +1,36 @@
+/*
+ * ============LICENSE_START=======================================================
+ * feature-distributed-locking
+ * ================================================================================
+ * Copyright (C) 2018 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.distributed.locking.test;
+
+import static org.junit.Assert.assertEquals;
+
+import org.junit.Test;
+import org.onap.policy.common.utils.test.ExceptionsTester;
+import org.onap.policy.distributed.locking.DistributedLockingFeatureException;
+
+public class DistributedLockingFeatureExceptionTest extends ExceptionsTester{
+
+ @Test
+ public void test() {
+ assertEquals(1, test(DistributedLockingFeatureException.class));
+ }
+
+}
diff --git a/feature-distributed-locking/src/test/java/org/onap/policy/distributed/locking/test/TargetLockTest.java b/feature-distributed-locking/src/test/java/org/onap/policy/distributed/locking/test/TargetLockTest.java
new file mode 100644
index 00000000..e624afb9
--- /dev/null
+++ b/feature-distributed-locking/src/test/java/org/onap/policy/distributed/locking/test/TargetLockTest.java
@@ -0,0 +1,220 @@
+/*
+ * ============LICENSE_START=======================================================
+ * feature-distributed-locking
+ * ================================================================================
+ * Copyright (C) 2018 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.distributed.locking.test;
+
+import org.junit.AfterClass;
+import org.junit.Before;
+import org.junit.BeforeClass;
+import org.junit.Test;
+import org.onap.policy.distributed.locking.DistributedLockingFeature;
+import org.onap.policy.drools.persistence.SystemPersistence;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertTrue;
+
+import java.sql.Connection;
+import java.sql.DriverManager;
+import java.sql.PreparedStatement;
+import java.sql.SQLException;
+import java.util.concurrent.CountDownLatch;
+import java.util.concurrent.ExecutionException;
+import java.util.concurrent.TimeUnit;
+
+public class TargetLockTest {
+ private static final Logger logger = LoggerFactory.getLogger(TargetLockTest.class);
+ private static final String DB_CONNECTION = "jdbc:h2:mem:pooling;INIT=CREATE SCHEMA IF NOT EXISTS pooling\\;SET SCHEMA pooling";
+ private static final String DB_USER = "user";
+ private static final String DB_PASSWORD = "password";
+ private static Connection conn = null;
+ private static DistributedLockingFeature distLockFeat;
+
+ @BeforeClass
+ public static void setup() {
+ getDBConnection();
+ createTable();
+ SystemPersistence.manager.setConfigurationDir("src/test/resources");
+ distLockFeat = new DistributedLockingFeature();
+ distLockFeat.afterStart(null);
+
+ }
+
+ @AfterClass
+ public static void cleanUp() {
+ distLockFeat.beforeShutdown(null);
+ try {
+ conn.close();
+ } catch (SQLException e) {
+ logger.error("Error in TargetLockTest.cleanUp()", e);
+ }
+ }
+
+ @Before
+ public void wipeDb() {
+
+ try (PreparedStatement lockDelete = conn.prepareStatement("DELETE FROM pooling.locks");){
+ lockDelete.executeUpdate();
+ } catch (SQLException e) {
+ logger.error("Error in TargetLockTest.wipeDb()", e);
+ throw new RuntimeException(e);
+ }
+
+ }
+
+ @Test
+ public void testGrabLockSuccess() throws InterruptedException, ExecutionException {
+ assertTrue(distLockFeat.beforeLock("resource1", "owner1", null).get());
+
+ //attempt to grab expiredLock
+ try (PreparedStatement updateStatement = conn.prepareStatement("UPDATE pooling.locks SET expirationTime = ? WHERE resourceId = ?");)
+ {
+ updateStatement.setLong(1, System.currentTimeMillis() - 1000);
+ updateStatement.setString(2, "resource1");
+ updateStatement.executeUpdate();
+
+ } catch (SQLException e) {
+ logger.error("Error in TargetLockTest.testGrabLockSuccess()", e);
+ throw new RuntimeException(e);
+ }
+
+ assertTrue(distLockFeat.beforeLock("resource1", "owner1", null).get());
+ }
+
+ @Test
+ public void testExpiredLocks() throws InterruptedException, ExecutionException {
+ CountDownLatch latch = new CountDownLatch(1);
+
+ distLockFeat.beforeLock("resource1", "owner1", null);
+
+ try {
+ latch.await(1000, TimeUnit.MILLISECONDS);
+ } catch (InterruptedException e) {
+ logger.error("Error in testExpiredLocks", e);
+ }
+
+ //Heartbeat should keep it active
+ assertFalse(distLockFeat.beforeLock("resource1", "owner1", null).get());
+ }
+
+ @Test
+ public void testGrabLockFail() throws InterruptedException, ExecutionException {
+ CountDownLatch latch = new CountDownLatch(1);
+
+ distLockFeat.beforeLock("resource1", "owner1", null);
+
+ try {
+ latch.await(10, TimeUnit.MILLISECONDS);
+ } catch (InterruptedException e) {
+ logger.error("Error in testExpiredLocks", e);
+ }
+ assertFalse(distLockFeat.beforeLock("resource1", "owner1", null).get());
+
+ }
+
+
+ @Test
+ public void testUnlock() throws InterruptedException, ExecutionException {
+ distLockFeat.beforeLock("resource1", "owner1", null);
+
+ assertTrue(distLockFeat.beforeUnlock("resource1", "owner1"));
+ assertTrue(distLockFeat.beforeLock("resource1", "owner1", null).get());
+ }
+
+ @Test
+ public void testIsActive() {
+ assertFalse(distLockFeat.beforeIsLockedBy("resource1", "owner1"));
+ distLockFeat.beforeLock("resource1", "owner1", null);
+ assertTrue(distLockFeat.beforeIsLockedBy("resource1", "owner1"));
+ assertFalse(distLockFeat.beforeIsLockedBy("resource1", "owner2"));
+
+ // isActive on expiredLock
+ try (PreparedStatement updateStatement = conn
+ .prepareStatement("UPDATE pooling.locks SET expirationTime = ? WHERE resourceId = ?");) {
+ updateStatement.setLong(1, System.currentTimeMillis() - 5000);
+ updateStatement.setString(2, "resource1");
+ updateStatement.executeUpdate();
+
+ } catch (SQLException e) {
+ logger.error("Error in TargetLockTest.testIsActive()", e);
+ throw new RuntimeException(e);
+ }
+
+ assertFalse(distLockFeat.beforeIsLockedBy("resource1", "owner1"));
+
+ distLockFeat.beforeLock("resource1", "owner1", null);
+ //Unlock record, next isActive attempt should fail
+ distLockFeat.beforeUnlock("resource1", "owner1");
+ assertFalse(distLockFeat.beforeIsLockedBy("resource1", "owner1"));
+
+ }
+
+ @Test
+ public void testHeartbeat() {
+ CountDownLatch latch = new CountDownLatch(1);
+
+ distLockFeat.beforeLock("resource1", "owner1", null);
+ try {
+ latch.await(1000, TimeUnit.MILLISECONDS);
+ } catch (InterruptedException e) {
+ logger.error("Error in testExpiredLocks", e);
+ }
+
+ // This test always returns true.
+ assertTrue(distLockFeat.beforeIsLocked("resource1"));
+ }
+
+ @Test
+ public void unlockBeforeLock() {
+ assertFalse(distLockFeat.beforeUnlock("resource1", "owner1"));
+ distLockFeat.beforeLock("resource1", "owner1", null);
+ assertTrue(distLockFeat.beforeUnlock("resource1", "owner1"));
+ assertFalse(distLockFeat.beforeUnlock("resource1", "owner1"));
+ }
+
+ @Test
+ public void testIsLocked() {
+ assertFalse(distLockFeat.beforeIsLocked("resource1"));
+ distLockFeat.beforeLock("resource1", "owner1", null);
+ assertTrue(distLockFeat.beforeIsLocked("resource1"));
+
+ }
+
+ private static void getDBConnection() {
+ try {
+ conn = DriverManager.getConnection(DB_CONNECTION, DB_USER, DB_PASSWORD);
+ } catch (SQLException e) {
+ logger.error("Error in TargetLockTest.getDBConnection()", e);
+ }
+ }
+
+ private static void createTable() {
+ String createString = "create table if not exists pooling.locks (resourceId VARCHAR(128), host VARCHAR(128), owner VARCHAR(128), expirationTime BIGINT, PRIMARY KEY (resourceId))";
+ try (PreparedStatement createStmt = conn.prepareStatement(createString);) {
+ createStmt.executeUpdate();
+
+ } catch (SQLException e) {
+ logger.error("Error in TargetLockTest.createTable()", e);
+ }
+ }
+
+
+}