Files
spring-session/docs/src/integration-test/java/docs/AbstractGemFireIntegrationTests.java
2016-02-08 15:36:42 -06:00

450 lines
14 KiB
Java

/*
* Copyright 2002-2016 the original author or authors.
*
* 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.
*/
package docs;
import static org.assertj.core.api.Assertions.assertThat;
import java.io.File;
import java.io.IOException;
import java.net.Socket;
import java.util.ArrayList;
import java.util.List;
import java.util.Set;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicBoolean;
import org.junit.Before;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.ApplicationListener;
import org.springframework.session.ExpiringSession;
import org.springframework.session.data.gemfire.GemFireOperationsSessionRepository;
import org.springframework.session.data.gemfire.support.GemFireUtils;
import org.springframework.session.events.AbstractSessionEvent;
import com.gemstone.gemfire.cache.Cache;
import com.gemstone.gemfire.cache.CacheClosedException;
import com.gemstone.gemfire.cache.DataPolicy;
import com.gemstone.gemfire.cache.ExpirationAction;
import com.gemstone.gemfire.cache.ExpirationAttributes;
import com.gemstone.gemfire.cache.GemFireCache;
import com.gemstone.gemfire.cache.Region;
import com.gemstone.gemfire.cache.client.ClientCache;
import com.gemstone.gemfire.cache.client.ClientCacheFactory;
import com.gemstone.gemfire.cache.query.Index;
import com.gemstone.gemfire.cache.server.CacheServer;
/**
* AbstractGemFireIntegrationTests is an abstract base class encapsulating common operations for writing
* Spring Session GemFire integration tests.
*
* @author John Blum
* @see org.springframework.session.ExpiringSession
* @see org.springframework.session.events.AbstractSessionEvent
* @see com.gemstone.gemfire.cache.Cache
* @see com.gemstone.gemfire.cache.DataPolicy
* @see com.gemstone.gemfire.cache.ExpirationAttributes
* @see com.gemstone.gemfire.cache.GemFireCache
* @see com.gemstone.gemfire.cache.Region
* @see com.gemstone.gemfire.cache.client.ClientCache
* @see com.gemstone.gemfire.cache.server.CacheServer
* @since 1.1.0
*/
public class AbstractGemFireIntegrationTests {
public static final String GEMFIRE_LOG_LEVEL = System.getProperty(
"spring.session.data.gemfire.log-level", "warning");
protected static final boolean DEFAULT_ENABLE_QUERY_DEBUGGING = false;
protected static final boolean GEMFIRE_QUERY_DEBUG = Boolean.getBoolean("spring.session.data.gemfire.query.debug");
protected static final int DEFAULT_GEMFIRE_SERVER_PORT = CacheServer.DEFAULT_PORT;
protected static final long DEFAULT_WAIT_DURATION = TimeUnit.SECONDS.toMillis(20);
protected static final long DEFAULT_WAIT_INTERVAL = 500l;
protected static final File WORKING_DIRECTORY = new File(System.getProperty("user.dir"));
protected static final String DEFAULT_PROCESS_CONTROL_FILENAME = "process.ctl";
protected static final String GEMFIRE_LOG_FILE_NAME = System.getProperty(
"spring.session.data.gemfire.log-file", "server.log");
@Autowired
protected Cache gemfireCache;
@Autowired
protected GemFireOperationsSessionRepository sessionRepository;
@Before
public void setup() {
System.setProperty("gemfire.Query.VERBOSE", String.valueOf(isQueryDebuggingEnabled()));
}
/* (non-Javadoc) */
protected static File createDirectory(String pathname) {
File directory = new File(WORKING_DIRECTORY, pathname);
assertThat(directory.isDirectory() || directory.mkdirs()).as(
String.format("Failed to create directory (%1$s)", directory)).isTrue();
directory.deleteOnExit();
return directory;
}
/* (non-Javadoc) */
protected static List<String> createJavaProcessCommandLine(Class<?> type, String... args) {
List<String> commandLine = new ArrayList<String>();
String javaHome = System.getProperty("java.home");
String javaExe = new File(new File(javaHome, "bin"), "java").getAbsolutePath();
commandLine.add(javaExe);
commandLine.add("-server");
commandLine.add("-ea");
commandLine.add(String.format("-Dgemfire.log-file=%1$s", GEMFIRE_LOG_FILE_NAME));
commandLine.add(String.format("-Dgemfire.log-level=%1$s", GEMFIRE_LOG_LEVEL));
commandLine.add(String.format("-Dgemfire.Query.VERBOSE=%1$s", GEMFIRE_QUERY_DEBUG));
commandLine.addAll(extractJvmArguments(args));
commandLine.add("-classpath");
commandLine.add(System.getProperty("java.class.path"));
commandLine.add(type.getName());
commandLine.addAll(extractProgramArguments(args));
// System.err.printf("Java process command-line is (%1$s)%n", commandLine);
return commandLine;
}
/* (non-Javadoc) */
protected static List<String> extractJvmArguments(final String... args) {
List<String> jvmArgs = new ArrayList<String>(args.length);
for (String arg : args) {
if (arg.startsWith("-")) {
jvmArgs.add(arg);
}
}
return jvmArgs;
}
/* (non-Javadoc) */
protected static List<String> extractProgramArguments(final String... args) {
List<String> jvmArgs = new ArrayList<String>(args.length);
for (String arg : args) {
if (!arg.startsWith("-")) {
jvmArgs.add(arg);
}
}
return jvmArgs;
}
/* (non-Javadoc) */
protected static Process run(Class<?> type, File directory, String... args) throws IOException {
return new ProcessBuilder()
.command(createJavaProcessCommandLine(type, args))
.directory(directory)
.start();
}
/* (non-Javadoc) */
protected static boolean waitForCacheServerToStart(CacheServer cacheServer) {
return waitForCacheServerToStart(cacheServer, DEFAULT_WAIT_DURATION);
}
/* (non-Javadoc) */
protected static boolean waitForCacheServerToStart(CacheServer cacheServer, long duration) {
return waitForCacheServerToStart(cacheServer.getBindAddress(), cacheServer.getPort(), duration);
}
/* (non-Javadoc) */
protected static boolean waitForCacheServerToStart(String host, int port) {
return waitForCacheServerToStart(host, port, DEFAULT_WAIT_DURATION);
}
/* (non-Javadoc) */
protected static boolean waitForCacheServerToStart(final String host, final int port, long duration) {
return waitOnCondition(new Condition() {
AtomicBoolean connected = new AtomicBoolean(false);
public boolean evaluate() {
Socket socket = null;
try {
if (!connected.get()) {
socket = new Socket(host, port);
connected.set(true);
}
}
catch (IOException ignore) {
}
finally {
GemFireUtils.close(socket);
}
return connected.get();
}
}, duration);
}
// NOTE this method would not be necessary except Spring Sessions' build does not fork the test JVM
// for every test class.
/* (non-Javadoc) */
protected static boolean waitForClientCacheToClose() {
return waitForClientCacheToClose(DEFAULT_WAIT_DURATION);
}
/* (non-Javadoc) */
protected static boolean waitForClientCacheToClose(long duration) {
try {
final ClientCache clientCache = ClientCacheFactory.getAnyInstance();
clientCache.close();
waitOnCondition(new Condition() {
public boolean evaluate() {
return clientCache.isClosed();
}
}, duration);
return clientCache.isClosed();
}
catch (CacheClosedException ignore) {
return true;
}
}
/* (non-Javadoc) */
protected static boolean waitForProcessToStart(Process process, File directory) {
return waitForProcessToStart(process, directory, DEFAULT_WAIT_DURATION);
}
/* (non-Javadoc) */
@SuppressWarnings("all")
protected static boolean waitForProcessToStart(Process process, File directory, long duration) {
final File processControl = new File(directory, DEFAULT_PROCESS_CONTROL_FILENAME);
waitOnCondition(new Condition() {
public boolean evaluate() {
return processControl.isFile();
}
}, duration);
return process.isAlive();
}
/* (non-Javadoc) */
protected static int waitForProcessToStop(Process process, File directory) {
return waitForProcessToStop(process, directory, DEFAULT_WAIT_DURATION);
}
/* (non-Javadoc) */
protected static int waitForProcessToStop(Process process, File directory, long duration) {
final long timeout = (System.currentTimeMillis() + duration);
try {
while (process.isAlive() && System.currentTimeMillis() < timeout) {
if (process.waitFor(DEFAULT_WAIT_INTERVAL, TimeUnit.MILLISECONDS)) {
return process.exitValue();
}
}
}
catch (InterruptedException e) {
Thread.currentThread().interrupt();
}
return (process.isAlive() ? -1 : process.exitValue());
}
/* (non-Javadoc) */
protected static boolean waitOnCondition(Condition condition) {
return waitOnCondition(condition, DEFAULT_WAIT_DURATION);
}
/* (non-Javadoc) */
@SuppressWarnings("all")
protected static boolean waitOnCondition(Condition condition, long duration) {
final long timeout = (System.currentTimeMillis() + duration);
try {
while (!condition.evaluate() && System.currentTimeMillis() < timeout) {
synchronized (condition) {
TimeUnit.MILLISECONDS.timedWait(condition, DEFAULT_WAIT_INTERVAL);
}
}
}
catch (InterruptedException e) {
Thread.currentThread().interrupt();
}
return condition.evaluate();
}
/* (non-Javadoc) */
protected static File writeProcessControlFile(File path) throws IOException {
assertThat(path != null && path.isDirectory()).isTrue();
File processControl = new File(path, DEFAULT_PROCESS_CONTROL_FILENAME);
assertThat(processControl.createNewFile()).isTrue();
processControl.deleteOnExit();
return processControl;
}
/* (non-Javadoc) */
protected void assertRegion(Region<?, ?> actualRegion, String expectedName, DataPolicy expectedDataPolicy) {
assertThat(actualRegion).isNotNull();
assertThat(actualRegion.getName()).isEqualTo(expectedName);
assertThat(actualRegion.getFullPath()).isEqualTo(GemFireUtils.toRegionPath(expectedName));
assertThat(actualRegion.getAttributes()).isNotNull();
assertThat(actualRegion.getAttributes().getDataPolicy()).isEqualTo(expectedDataPolicy);
}
/* (non-Javadoc) */
protected void assertIndex(Index index, String expectedExpression, String expectedFromClause) {
assertThat(index).isNotNull();
assertThat(index.getIndexedExpression()).isEqualTo(expectedExpression);
assertThat(index.getFromClause()).isEqualTo(expectedFromClause);
}
/* (non-Javadoc) */
protected void assertEntryIdleTimeout(Region<?, ?> region, ExpirationAction expectedAction, int expectedTimeout) {
assertEntryIdleTimeout(region.getAttributes().getEntryIdleTimeout(), expectedAction, expectedTimeout);
}
/* (non-Javadoc) */
protected void assertEntryIdleTimeout(ExpirationAttributes actualExpirationAttributes,
ExpirationAction expectedAction, int expectedTimeout) {
assertThat(actualExpirationAttributes).isNotNull();
assertThat(actualExpirationAttributes.getAction()).isEqualTo(expectedAction);
assertThat(actualExpirationAttributes.getTimeout()).isEqualTo(expectedTimeout);
}
/* (non-Javadoc) */
protected boolean enableQueryDebugging() {
return DEFAULT_ENABLE_QUERY_DEBUGGING;
}
/* (non-Javadoc) */
protected boolean isQueryDebuggingEnabled() {
return (GEMFIRE_QUERY_DEBUG || enableQueryDebugging());
}
/* (non-Javadoc) */
protected List<String> listRegions(GemFireCache gemfireCache) {
Set<Region<?, ?>> regions = gemfireCache.rootRegions();
List<String> regionList = new ArrayList<String>(regions.size());
for (Region<?,?> region : regions) {
regionList.add(region.getFullPath());
}
return regionList;
}
/* (non-Javadoc) */
@SuppressWarnings("unchecked")
protected <T extends ExpiringSession> T createSession() {
T expiringSession = (T) sessionRepository.createSession();
assertThat(expiringSession).isNotNull();
return expiringSession;
}
/* (non-Javadoc) */
@SuppressWarnings("unchecked")
protected <T extends ExpiringSession> T createSession(String principalName) {
GemFireOperationsSessionRepository.GemFireSession session = createSession();
session.setPrincipalName(principalName);
return (T) session;
}
/* (non-Javadoc) */
protected <T extends ExpiringSession> T expire(T session) {
session.setLastAccessedTime(0l);
return session;
}
/* (non-Javadoc) */
@SuppressWarnings("unchecked")
protected <T extends ExpiringSession> T get(String sessionId) {
return (T) sessionRepository.getSession(sessionId);
}
/* (non-Javadoc) */
protected <T extends ExpiringSession> T save(T session) {
sessionRepository.save(session);
return session;
}
/* (non-Javadoc) */
protected <T extends ExpiringSession> T touch(T session) {
session.setLastAccessedTime(System.currentTimeMillis());
return session;
}
/**
* The SessionEventListener class is a Spring {@link ApplicationListener} listening for Spring HTTP Session
* application events.
*
* @see org.springframework.context.ApplicationListener
* @see org.springframework.session.events.AbstractSessionEvent
*/
public static class SessionEventListener implements ApplicationListener<AbstractSessionEvent> {
private volatile AbstractSessionEvent sessionEvent;
/* (non-Javadoc) */
@SuppressWarnings("unchecked")
public <T extends AbstractSessionEvent> T getSessionEvent() {
T sessionEvent = (T) this.sessionEvent;
this.sessionEvent = null;
return sessionEvent;
}
/* (non-Javadoc) */
public void onApplicationEvent(AbstractSessionEvent event) {
sessionEvent = event;
}
/* (non-Javadoc) */
public <T extends AbstractSessionEvent> T waitForSessionEvent(long duration) {
waitOnCondition(new Condition() {
public boolean evaluate() {
return (sessionEvent != null);
}
}, duration);
return getSessionEvent();
}
}
/**
* The Condition interface defines a logical condition that must be satisfied before it is safe to proceed.
*/
protected interface Condition {
boolean evaluate();
}
}