/*
* Copyright 2016 JBoss by Red Hat.
*
* 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 org.jboss.as.repository;
import static org.jboss.as.repository.PathUtil.deleteRecursively;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.nio.file.Files;
import java.util.Collections;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.Future;
import java.util.concurrent.TimeUnit;
import org.junit.Assert;
import org.jboss.byteman.contrib.bmunit.BMScript;
import org.jboss.byteman.contrib.bmunit.BMUnitRunner;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
/**
* Test to check the lock when removing content while reading it.
* @author Emmanuel Hugonnet (c) 2016 Red Hat, inc.
*/
@RunWith(BMUnitRunner.class)
public class DeletionCollisionTest {
private ContentRepository repository;
private final File rootDir = new File("target", "repository");
private final File tmpRootDir = new File("target", "tmp");
private final long EXECUTION_TIMEOUT = 30000L;
public DeletionCollisionTest() {
}
@Before
public void createRepository() throws IOException {
if (rootDir.exists()) {
deleteRecursively(rootDir.toPath());
}
rootDir.mkdirs();
if (tmpRootDir.exists()) {
deleteRecursively(tmpRootDir.toPath());
}
tmpRootDir.mkdirs();
repository = ContentRepository.Factory.create(rootDir, tmpRootDir, 0L, 1000L);
}
@After
public void destroyRepository() throws IOException {
deleteRecursively(rootDir.toPath());
deleteRecursively(tmpRootDir.toPath());
repository = null;
}
@BMScript(value="lockDeployment.btm")
@Test
public void testFileLockByReadContent() throws Exception {
try (InputStream stream = getClass().getClassLoader().getResourceAsStream("overlay.xhtml")) {
final byte[] deploymentHash = repository.addContentToExploded(
repository.addContent(null),
Collections.singletonList(new ExplodedContent("overlay.xhtml", stream)),
true);
Assert.assertTrue(repository.hasContent(deploymentHash));
ExecutorService executor = Executors.newFixedThreadPool(2);
Future<InputStream> result = executor.submit(() -> repository.readContent(deploymentHash, "overlay.xhtml"));
Thread.sleep(100L);
Future deletion = executor.submit(() -> {
repository.removeContent(new ContentReference("overlay.xhtml", deploymentHash));
});
deletion.get(EXECUTION_TIMEOUT, TimeUnit.MILLISECONDS);
result.get(EXECUTION_TIMEOUT, TimeUnit.MILLISECONDS);
try (TemporaryFileInputStream in = (TemporaryFileInputStream) result.get(EXECUTION_TIMEOUT, TimeUnit.MILLISECONDS)) {
Assert.assertTrue(Files.exists(in.getFile()));
}
}
}
@BMScript(value="lockDeployment.btm")
@Test
public void testFileLockByRemoveContent() throws Exception {
try (InputStream stream = getClass().getClassLoader().getResourceAsStream("overlay.xhtml")) {
final byte[] deploymentHash = repository.addContentToExploded(
repository.addContent(null),
Collections.singletonList(new ExplodedContent("overlay.xhtml", stream)),
true);
Assert.assertTrue(repository.hasContent(deploymentHash));
ExecutorService executor = Executors.newFixedThreadPool(2);
Future deletion = executor.submit(() -> {
repository.removeContent(new ContentReference("overlay.xhtml", deploymentHash));
});
Thread.sleep(100L);
Future<InputStream> result = executor.submit(() -> repository.readContent(deploymentHash, "overlay.xhtml"));
deletion.get(EXECUTION_TIMEOUT, TimeUnit.MILLISECONDS);
try {
result.get(EXECUTION_TIMEOUT, TimeUnit.MILLISECONDS);
Assert.fail("Shouldn't be able to lock the content");
} catch(ExecutionException ex) {
Assert.assertTrue(ex.getCause().getMessage().contains("WFLYDR0019"));
}
}
}
}