/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.apache.pig.test;
import java.io.ByteArrayInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.Arrays;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Properties;
import java.util.jar.JarFile;
import java.util.jar.JarOutputStream;
import java.util.zip.ZipEntry;
import javax.tools.JavaCompiler;
import javax.tools.JavaFileObject;
import javax.tools.StandardJavaFileManager;
import javax.tools.ToolProvider;
import com.google.common.collect.Lists;
import com.google.common.collect.Maps;
import com.google.common.io.ByteStreams;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.hadoop.fs.Path;
import org.apache.pig.ExecType;
import org.apache.pig.PigServer;
import org.apache.pig.impl.util.JarManager;
import org.junit.After;
import org.junit.AfterClass;
import org.junit.Assert;
import org.junit.Before;
import org.junit.BeforeClass;
import org.junit.Test;
/**
* Ensure classes from a registered jar are available in the UDFContext.
* Please see PIG-2532 for additional details.
*/
public class TestRegisteredJarVisibility {
private static final Log LOG = LogFactory.getLog(TestRegisteredJarVisibility.class);
private static final String JAR_FILE_NAME = "test-foo-loader.jar";
private static final String PACKAGE_NAME = "org.apache.pig.test";
// Actual data is not important. Reusing an existing input file.
private static final File INPUT_FILE = new File("test/data/pigunit/top_queries_input_data.txt");
private static MiniCluster cluster;
private static File jarFile;
@BeforeClass()
public static void setUp() throws IOException {
String testResourcesDir = "test/resources/" + PACKAGE_NAME.replace(".", "/");
String testBuildDataDir = "build/test/data";
// Create the test data directory if needed
File testDataDir = new File(testBuildDataDir,
TestRegisteredJarVisibility.class.getCanonicalName());
testDataDir.mkdirs();
jarFile = new File(testDataDir, JAR_FILE_NAME);
File[] javaFiles = new File[]{
new File(testResourcesDir, "RegisteredJarVisibilityLoader.java"),
new File(testResourcesDir, "ClassLoaderSanityCheck.java"),
new File(testResourcesDir, "RegisteredJarVisibilitySchema.java")};
List<File> classFiles = compile(javaFiles);
// Canonical class name to class file
Map<String, File> filesToJar = Maps.newHashMap();
for (File classFile : classFiles) {
filesToJar.put(
PACKAGE_NAME + "." + classFile.getName().replace(".class", ""),
classFile);
}
jar(filesToJar);
cluster = MiniCluster.buildCluster();
}
@AfterClass()
public static void tearDown() {
cluster.shutDown();
}
@Test()
public void testRegisteredJarVisibilitySchemaNotOnClasspath() {
boolean exceptionThrown = false;
try {
Class.forName("org.apache.pig.test.FooSchema");
} catch (ClassNotFoundException e) {
exceptionThrown = true;
}
Assert.assertTrue(exceptionThrown);
}
@Test()
public void testRegisteredJarVisibility() throws IOException {
cluster.getFileSystem().copyFromLocalFile(
new Path("file://" + INPUT_FILE.getAbsolutePath()), new Path(INPUT_FILE.getName()));
PigServer pigServer = new PigServer(ExecType.MAPREDUCE, cluster.getProperties());
String query = "register " + jarFile.getAbsolutePath() + ";\n"
+ "a = load '" + INPUT_FILE.getName()
+ "' using org.apache.pig.test.RegisteredJarVisibilityLoader();\n"
// register again to test classloader consistency
+ "register " + jarFile.getAbsolutePath() + ";\n"
+ "b = load 'non_existent' "
+ "using org.apache.pig.test.RegisteredJarVisibilityLoader();";
LOG.info("Running pig script:\n" + query);
pigServer.registerScript(new ByteArrayInputStream(query.getBytes()));
pigServer.openIterator("a");
pigServer.shutdown();
}
// See PIG-3039
@Test
public void testRegisterJarOverridePigJarPackages() throws IOException, ClassNotFoundException {
// When jackson jar is not registered, jackson-core from the first jar in
// classpath (pig.jar) should be picked up (version 1.8.8 in this case).
PigServer pigServer = new PigServer(ExecType.LOCAL, new Properties());
File jobJarFile = Util.createTempFileDelOnExit("Job", ".jar");
FileOutputStream fos = new FileOutputStream(jobJarFile);
JarManager.createJar(fos, new HashSet<String>(), pigServer.getPigContext());
JarFile jobJar = new JarFile(jobJarFile);
// JsonClass present in 1.8.8 but not in 1.9.9
Assert.assertNotNull(jobJar.getJarEntry("org/codehaus/jackson/annotate/JsonClass.class"));
// JsonUnwrapped present in 1.9.9 but not in 1.8.8
Assert.assertNull(jobJar.getJarEntry("org/codehaus/jackson/annotate/JsonUnwrapped.class"));
// When jackson jar is registered, the registered version should be picked up.
pigServer = new PigServer(ExecType.LOCAL, new Properties());
pigServer.registerJar("test/resources/jackson-core-asl-1.9.9.jar");
pigServer.registerJar("test/resources/jackson-mapper-asl-1.9.9.jar");
jobJarFile = Util.createTempFileDelOnExit("Job", ".jar");
fos = new FileOutputStream(jobJarFile);
JarManager.createJar(fos, new HashSet<String>(), pigServer.getPigContext());
jobJar = new JarFile(jobJarFile);
Assert.assertNull(jobJar.getJarEntry("org/codehaus/jackson/annotate/JsonClass.class"));
Assert.assertNotNull(jobJar.getJarEntry("org/codehaus/jackson/annotate/JsonUnwrapped.class"));
}
private static List<File> compile(File[] javaFiles) {
LOG.info("Compiling: " + Arrays.asList(javaFiles));
JavaCompiler compiler = ToolProvider.getSystemJavaCompiler();
StandardJavaFileManager fileManager = compiler.getStandardFileManager(null, null, null);
Iterable<? extends JavaFileObject> compilationUnits1 =
fileManager.getJavaFileObjects(javaFiles);
JavaCompiler.CompilationTask task =
compiler.getTask(null, fileManager, null, null, null, compilationUnits1);
task.call();
List<File> classFiles = Lists.newArrayList();
for (File javaFile : javaFiles) {
File classFile = new File(javaFile.getAbsolutePath().replace(".java", ".class"));
classFile.deleteOnExit();
Assert.assertTrue(classFile.exists());
classFiles.add(classFile);
LOG.info("Created " + classFile.getAbsolutePath());
}
return classFiles;
}
/**
* Create a jar file containing the generated classes.
*
* @param filesToJar map of canonical class name to class file
* @throws IOException on error
*/
private static void jar(Map<String, File> filesToJar) throws IOException {
LOG.info("Creating jar file containing: " + filesToJar);
JarOutputStream jos = new JarOutputStream(new FileOutputStream(jarFile.getAbsolutePath()));
try {
for (Map.Entry<String, File> entry : filesToJar.entrySet()) {
String zipEntryName = entry.getKey().replace(".", "/") + ".class";
LOG.info("Adding " + zipEntryName + " to " + jarFile.getAbsolutePath());
jos.putNextEntry(new ZipEntry(zipEntryName));
InputStream classInputStream = new FileInputStream(entry.getValue().getAbsolutePath());
try {
ByteStreams.copy(classInputStream, jos);
} finally {
classInputStream.close();
}
}
} finally {
jos.close();
}
Assert.assertTrue(jarFile.exists());
LOG.info("Created " + jarFile.getAbsolutePath());
}
}