From 0ad48aa2c8f41196743305c711ea19cc48f186da Mon Sep 17 00:00:00 2001 From: Sangjin Lee Date: Mon, 8 Aug 2016 17:34:56 -0700 Subject: [PATCH] HADOOP-12747. support wildcard in libjars argument (sjlee) --- .../java/org/apache/hadoop/fs/FileUtil.java | 73 ++++++++-- .../hadoop/util/ApplicationClassLoader.java | 20 +-- .../hadoop/util/GenericOptionsParser.java | 134 +++++++++++++----- .../org/apache/hadoop/fs/TestFileUtil.java | 59 ++++++-- .../hadoop/util/TestGenericOptionsParser.java | 74 +++++++--- 5 files changed, 270 insertions(+), 90 deletions(-) diff --git a/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/FileUtil.java b/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/FileUtil.java index 53ced77bb96..84a8abb0eb5 100644 --- a/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/FileUtil.java +++ b/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/FileUtil.java @@ -18,7 +18,14 @@ package org.apache.hadoop.fs; -import java.io.*; +import java.io.BufferedInputStream; +import java.io.BufferedOutputStream; +import java.io.File; +import java.io.FileInputStream; +import java.io.FileOutputStream; +import java.io.IOException; +import java.io.InputStream; +import java.io.OutputStream; import java.net.InetAddress; import java.net.URI; import java.net.UnknownHostException; @@ -36,6 +43,8 @@ import java.util.zip.ZipFile; import org.apache.commons.collections.map.CaseInsensitiveMap; import org.apache.commons.compress.archivers.tar.TarArchiveEntry; import org.apache.commons.compress.archivers.tar.TarArchiveInputStream; +import org.apache.commons.logging.Log; +import org.apache.commons.logging.LogFactory; import org.apache.hadoop.classification.InterfaceAudience; import org.apache.hadoop.classification.InterfaceStability; import org.apache.hadoop.conf.Configuration; @@ -43,11 +52,9 @@ import org.apache.hadoop.fs.permission.FsAction; import org.apache.hadoop.fs.permission.FsPermission; import org.apache.hadoop.io.IOUtils; import org.apache.hadoop.io.nativeio.NativeIO; -import org.apache.hadoop.util.StringUtils; import org.apache.hadoop.util.Shell; import org.apache.hadoop.util.Shell.ShellCommandExecutor; -import org.apache.commons.logging.Log; -import org.apache.commons.logging.LogFactory; +import org.apache.hadoop.util.StringUtils; /** * A collection of file-processing util methods @@ -1209,19 +1216,13 @@ public class FileUtil { continue; } if (classPathEntry.endsWith("*")) { - boolean foundWildCardJar = false; // Append all jars that match the wildcard - Path globPath = new Path(classPathEntry).suffix("{.jar,.JAR}"); - FileStatus[] wildcardJars = FileContext.getLocalFSFileContext().util() - .globStatus(globPath); - if (wildcardJars != null) { - for (FileStatus wildcardJar: wildcardJars) { - foundWildCardJar = true; - classPathEntryList.add(wildcardJar.getPath().toUri().toURL() - .toExternalForm()); + List jars = getJarsInDirectory(classPathEntry); + if (!jars.isEmpty()) { + for (Path jar: jars) { + classPathEntryList.add(jar.toUri().toURL().toExternalForm()); } - } - if (!foundWildCardJar) { + } else { unexpandedWildcardClasspath.append(File.pathSeparator); unexpandedWildcardClasspath.append(classPathEntry); } @@ -1277,6 +1278,48 @@ public class FileUtil { return jarCp; } + /** + * Returns all jars that are in the directory. It is useful in expanding a + * wildcard path to return all jars from the directory to use in a classpath. + * It operates only on local paths. + * + * @param path the path to the directory. The path may include the wildcard. + * @return the list of jars as URLs, or an empty list if there are no jars, or + * the directory does not exist locally + */ + public static List getJarsInDirectory(String path) { + return getJarsInDirectory(path, true); + } + + /** + * Returns all jars that are in the directory. It is useful in expanding a + * wildcard path to return all jars from the directory to use in a classpath. + * + * @param path the path to the directory. The path may include the wildcard. + * @return the list of jars as URLs, or an empty list if there are no jars, or + * the directory does not exist + */ + public static List getJarsInDirectory(String path, boolean useLocal) { + List paths = new ArrayList<>(); + try { + // add the wildcard if it is not provided + if (!path.endsWith("*")) { + path += File.separator + "*"; + } + Path globPath = new Path(path).suffix("{.jar,.JAR}"); + FileContext context = useLocal ? + FileContext.getLocalFSFileContext() : + FileContext.getFileContext(globPath.toUri()); + FileStatus[] files = context.util().globStatus(globPath); + if (files != null) { + for (FileStatus file: files) { + paths.add(file.getPath()); + } + } + } catch (IOException ignore) {} // return the empty list + return paths; + } + public static boolean compareFs(FileSystem srcFs, FileSystem destFs) { if (srcFs==null || destFs==null) { return false; diff --git a/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/util/ApplicationClassLoader.java b/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/util/ApplicationClassLoader.java index 8c1601a0cbd..2f46e1fee5b 100644 --- a/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/util/ApplicationClassLoader.java +++ b/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/util/ApplicationClassLoader.java @@ -19,7 +19,6 @@ package org.apache.hadoop.util; import java.io.File; -import java.io.FilenameFilter; import java.io.IOException; import java.io.InputStream; import java.net.MalformedURLException; @@ -34,6 +33,8 @@ import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import org.apache.hadoop.classification.InterfaceAudience.Public; import org.apache.hadoop.classification.InterfaceStability.Unstable; +import org.apache.hadoop.fs.FileUtil; +import org.apache.hadoop.fs.Path; /** * A {@link URLClassLoader} for application isolation. Classes from the @@ -58,14 +59,6 @@ public class ApplicationClassLoader extends URLClassLoader { private static final Log LOG = LogFactory.getLog(ApplicationClassLoader.class.getName()); - private static final FilenameFilter JAR_FILENAME_FILTER = - new FilenameFilter() { - @Override - public boolean accept(File dir, String name) { - return name.endsWith(".jar") || name.endsWith(".JAR"); - } - }; - static { try (InputStream is = ApplicationClassLoader.class.getClassLoader() .getResourceAsStream(PROPERTIES_FILE);) { @@ -116,11 +109,10 @@ public class ApplicationClassLoader extends URLClassLoader { List urls = new ArrayList(); for (String element : classpath.split(File.pathSeparator)) { if (element.endsWith("/*")) { - String dir = element.substring(0, element.length() - 1); - File[] files = new File(dir).listFiles(JAR_FILENAME_FILTER); - if (files != null) { - for (File file : files) { - urls.add(file.toURI().toURL()); + List jars = FileUtil.getJarsInDirectory(element); + if (!jars.isEmpty()) { + for (Path jar: jars) { + urls.add(jar.toUri().toURL()); } } } else { diff --git a/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/util/GenericOptionsParser.java b/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/util/GenericOptionsParser.java index 8a06b1f73ff..170812b624f 100644 --- a/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/util/GenericOptionsParser.java +++ b/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/util/GenericOptionsParser.java @@ -17,6 +17,7 @@ */ package org.apache.hadoop.util; +import java.io.File; import java.io.FileNotFoundException; import java.io.IOException; import java.io.PrintStream; @@ -41,6 +42,7 @@ import org.apache.hadoop.classification.InterfaceAudience; import org.apache.hadoop.classification.InterfaceStability; import org.apache.hadoop.conf.Configuration; import org.apache.hadoop.fs.FileSystem; +import org.apache.hadoop.fs.FileUtil; import org.apache.hadoop.fs.Path; import org.apache.hadoop.security.Credentials; import org.apache.hadoop.security.UserGroupInformation; @@ -167,8 +169,8 @@ public class GenericOptionsParser { */ public GenericOptionsParser(Configuration conf, Options options, String[] args) throws IOException { - parseGeneralOptions(options, conf, args); this.conf = conf; + parseGeneralOptions(options, args); } /** @@ -259,12 +261,11 @@ public class GenericOptionsParser { } /** - * Modify configuration according user-specified generic options - * @param conf Configuration to be modified + * Modify configuration according user-specified generic options. + * * @param line User-specified generic options */ - private void processGeneralOptions(Configuration conf, - CommandLine line) throws IOException { + private void processGeneralOptions(CommandLine line) throws IOException { if (line.hasOption("fs")) { FileSystem.setDefaultUri(conf, line.getOptionValue("fs")); } @@ -296,8 +297,9 @@ public class GenericOptionsParser { } if (line.hasOption("libjars")) { - conf.set("tmpjars", - validateFiles(line.getOptionValue("libjars"), conf), + // for libjars, we allow expansion of wildcards + conf.set("tmpjars", + validateFiles(line.getOptionValue("libjars"), true), "from -libjars command line option"); //setting libjars in client classpath URL[] libjars = getLibJars(conf); @@ -310,12 +312,12 @@ public class GenericOptionsParser { } if (line.hasOption("files")) { conf.set("tmpfiles", - validateFiles(line.getOptionValue("files"), conf), + validateFiles(line.getOptionValue("files")), "from -files command line option"); } if (line.hasOption("archives")) { conf.set("tmparchives", - validateFiles(line.getOptionValue("archives"), conf), + validateFiles(line.getOptionValue("archives")), "from -archives command line option"); } conf.setBoolean("mapreduce.client.genericoptionsparser.used", true); @@ -348,7 +350,7 @@ public class GenericOptionsParser { */ public static URL[] getLibJars(Configuration conf) throws IOException { String jars = conf.get("tmpjars"); - if(jars==null) { + if (jars == null || jars.trim().isEmpty()) { return null; } String[] files = jars.split(","); @@ -359,7 +361,7 @@ public class GenericOptionsParser { cp.add(FileSystem.getLocal(conf).pathToFile(tmp).toURI().toURL()); } else { LOG.warn("The libjars file " + tmp + " is not on the local " + - "filesystem. Ignoring."); + "filesystem. It will not be added to the local classpath."); } } return cp.toArray(new URL[0]); @@ -371,28 +373,62 @@ public class GenericOptionsParser { * if the files specified do not have a scheme. * it returns the paths uri converted defaulting to file:///. * So an input of /home/user/file1,/home/user/file2 would return - * file:///home/user/file1,file:///home/user/file2 - * @param files - * @return + * file:///home/user/file1,file:///home/user/file2. + * + * This method does not recognize wildcards. + * + * @param files the input files argument + * @return a comma-separated list of validated and qualified paths, or null + * if the input files argument is null */ - private String validateFiles(String files, Configuration conf) - throws IOException { - if (files == null) + private String validateFiles(String files) throws IOException { + return validateFiles(files, false); + } + + /** + * takes input as a comma separated list of files + * and verifies if they exist. It defaults for file:/// + * if the files specified do not have a scheme. + * it returns the paths uri converted defaulting to file:///. + * So an input of /home/user/file1,/home/user/file2 would return + * file:///home/user/file1,file:///home/user/file2. + * + * @param files the input files argument + * @param expandWildcard whether a wildcard entry is allowed and expanded. If + * true, any directory followed by a wildcard is a valid entry and is replaced + * with the list of jars in that directory. It is used to support the wildcard + * notation in a classpath. + * @return a comma-separated list of validated and qualified paths, or null + * if the input files argument is null + */ + private String validateFiles(String files, boolean expandWildcard) + throws IOException { + if (files == null) { return null; + } String[] fileArr = files.split(","); if (fileArr.length == 0) { throw new IllegalArgumentException("File name can't be empty string"); } - String[] finalArr = new String[fileArr.length]; + List finalPaths = new ArrayList<>(fileArr.length); for (int i =0; i < fileArr.length; i++) { String tmp = fileArr[i]; if (tmp.isEmpty()) { throw new IllegalArgumentException("File name can't be empty string"); } - String finalPath; URI pathURI; + final String wildcard = "*"; + boolean isWildcard = tmp.endsWith(wildcard) && expandWildcard; try { - pathURI = new URI(tmp); + if (isWildcard) { + // strip the wildcard + tmp = tmp.substring(0, tmp.length() - 1); + } + // handle the case where a wildcard alone ("*") or the wildcard on the + // current directory ("./*") is specified + pathURI = matchesCurrentDirectory(tmp) ? + new File(Path.CUR_DIR).toURI() : + new URI(tmp); } catch (URISyntaxException e) { throw new IllegalArgumentException(e); } @@ -404,10 +440,13 @@ public class GenericOptionsParser { if (!localFs.exists(path)) { throw new FileNotFoundException("File " + tmp + " does not exist."); } - finalPath = path.makeQualified(localFs.getUri(), - localFs.getWorkingDirectory()).toString(); - } - else { + if (isWildcard) { + expandWildcard(finalPaths, path, localFs); + } else { + finalPaths.add(path.makeQualified(localFs.getUri(), + localFs.getWorkingDirectory()).toString()); + } + } else { // check if the file exists in this file system // we need to recreate this filesystem object to copy // these files to the file system ResourceManager is running @@ -416,12 +455,41 @@ public class GenericOptionsParser { if (!fs.exists(path)) { throw new FileNotFoundException("File " + tmp + " does not exist."); } - finalPath = path.makeQualified(fs.getUri(), - fs.getWorkingDirectory()).toString(); + if (isWildcard) { + expandWildcard(finalPaths, path, fs); + } else { + finalPaths.add(path.makeQualified(fs.getUri(), + fs.getWorkingDirectory()).toString()); + } + } + } + if (finalPaths.isEmpty()) { + throw new IllegalArgumentException("Path " + files + " cannot be empty."); + } + return StringUtils.join(",", finalPaths); + } + + private boolean matchesCurrentDirectory(String path) { + return path.isEmpty() || path.equals(Path.CUR_DIR) || + path.equals(Path.CUR_DIR + File.separator); + } + + private void expandWildcard(List finalPaths, Path path, FileSystem fs) + throws IOException { + if (!fs.isDirectory(path)) { + throw new FileNotFoundException(path + " is not a directory."); + } + // get all the jars in the directory + List jars = FileUtil.getJarsInDirectory(path.toString(), + fs.equals(FileSystem.getLocal(conf))); + if (jars.isEmpty()) { + LOG.warn(path + " does not have jars in it. It will be ignored."); + } else { + for (Path jar: jars) { + finalPaths.add(jar.makeQualified(fs.getUri(), + fs.getWorkingDirectory()).toString()); } - finalArr[i] = finalPath; } - return StringUtils.arrayToString(finalArr); } /** @@ -473,18 +541,18 @@ public class GenericOptionsParser { /** * Parse the user-specified options, get the generic options, and modify - * configuration accordingly + * configuration accordingly. + * * @param opts Options to use for parsing args. - * @param conf Configuration to be modified * @param args User-specified arguments */ - private void parseGeneralOptions(Options opts, Configuration conf, - String[] args) throws IOException { + private void parseGeneralOptions(Options opts, String[] args) + throws IOException { opts = buildGeneralOptions(opts); CommandLineParser parser = new GnuParser(); try { commandLine = parser.parse(opts, preProcessForWindows(args), true); - processGeneralOptions(conf, commandLine); + processGeneralOptions(commandLine); } catch(ParseException e) { LOG.warn("options parsing failed: "+e.getMessage()); diff --git a/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/fs/TestFileUtil.java b/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/fs/TestFileUtil.java index 0b7519cf3ba..3c733d219b1 100644 --- a/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/fs/TestFileUtil.java +++ b/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/fs/TestFileUtil.java @@ -17,18 +17,25 @@ */ package org.apache.hadoop.fs; -import org.apache.hadoop.test.GenericTestUtils; -import org.junit.*; +import static org.apache.hadoop.test.PlatformAssumptions.assumeNotWindows; +import static org.junit.Assert.assertEquals; +import static org.junit.Assert.assertFalse; +import static org.junit.Assert.assertNotEquals; +import static org.junit.Assert.assertNull; +import static org.junit.Assert.assertTrue; +import static org.mockito.Mockito.mock; +import static org.mockito.Mockito.when; import java.io.File; import java.io.FileInputStream; import java.io.FileOutputStream; import java.io.IOException; import java.io.OutputStream; +import java.io.PrintWriter; import java.net.InetAddress; import java.net.URI; -import java.io.PrintWriter; import java.net.URISyntaxException; +import java.net.URL; import java.net.UnknownHostException; import java.util.ArrayList; import java.util.Arrays; @@ -43,15 +50,15 @@ import java.util.zip.ZipOutputStream; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import org.apache.hadoop.conf.Configuration; +import org.apache.hadoop.test.GenericTestUtils; import org.apache.hadoop.util.StringUtils; import org.apache.tools.tar.TarEntry; import org.apache.tools.tar.TarOutputStream; - - -import static org.apache.hadoop.test.PlatformAssumptions.assumeNotWindows; -import static org.junit.Assert.*; -import static org.mockito.Mockito.mock; -import static org.mockito.Mockito.when; +import org.junit.After; +import org.junit.Assert; +import org.junit.Before; +import org.junit.Ignore; +import org.junit.Test; public class TestFileUtil { private static final Log LOG = LogFactory.getLog(TestFileUtil.class); @@ -1055,6 +1062,40 @@ public class TestFileUtil { } } + @Test + public void testGetJarsInDirectory() throws Exception { + List jars = FileUtil.getJarsInDirectory("/foo/bar/bogus/"); + assertTrue("no jars should be returned for a bogus path", + jars.isEmpty()); + + // setup test directory for files + assertFalse(tmp.exists()); + assertTrue(tmp.mkdirs()); + + // create jar files to be returned + File jar1 = new File(tmp, "wildcard1.jar"); + File jar2 = new File(tmp, "wildcard2.JAR"); + List matches = Arrays.asList(jar1, jar2); + for (File match: matches) { + assertTrue("failure creating file: " + match, match.createNewFile()); + } + + // create non-jar files, which we expect to not be included in the result + assertTrue(new File(tmp, "text.txt").createNewFile()); + assertTrue(new File(tmp, "executable.exe").createNewFile()); + assertTrue(new File(tmp, "README").createNewFile()); + + // pass in the directory + String directory = tmp.getCanonicalPath(); + jars = FileUtil.getJarsInDirectory(directory); + assertEquals("there should be 2 jars", 2, jars.size()); + for (Path jar: jars) { + URL url = jar.toUri().toURL(); + assertTrue("the jar should match either of the jars", + url.equals(jar1.toURI().toURL()) || url.equals(jar2.toURI().toURL())); + } + } + @Ignore public void setupCompareFs() { // Set up Strings diff --git a/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/util/TestGenericOptionsParser.java b/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/util/TestGenericOptionsParser.java index d5755869ca3..0dbfe3d6cdd 100644 --- a/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/util/TestGenericOptionsParser.java +++ b/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/util/TestGenericOptionsParser.java @@ -17,6 +17,13 @@ */ package org.apache.hadoop.util; +import static org.junit.Assert.assertArrayEquals; +import static org.junit.Assert.assertEquals; +import static org.junit.Assert.assertNotNull; +import static org.junit.Assert.assertNull; +import static org.junit.Assert.assertTrue; +import static org.junit.Assert.fail; + import java.io.File; import java.io.FileNotFoundException; import java.io.IOException; @@ -26,8 +33,9 @@ import java.util.Arrays; import java.util.List; import java.util.Map; -import junit.framework.TestCase; - +import org.apache.commons.cli.Option; +import org.apache.commons.cli.OptionBuilder; +import org.apache.commons.cli.Options; import org.apache.commons.math3.util.Pair; import org.apache.hadoop.conf.Configuration; import org.apache.hadoop.fs.FileSystem; @@ -38,20 +46,18 @@ import org.apache.hadoop.security.UserGroupInformation; import org.apache.hadoop.security.token.Token; import org.apache.hadoop.security.token.delegation.AbstractDelegationTokenIdentifier; import org.apache.hadoop.test.GenericTestUtils; -import org.apache.commons.cli.Option; -import org.apache.commons.cli.OptionBuilder; -import org.apache.commons.cli.Options; -import org.junit.Assert; +import org.junit.After; +import org.junit.Before; +import org.junit.Test; import com.google.common.collect.Maps; -import static org.junit.Assert.fail; -public class TestGenericOptionsParser extends TestCase { +public class TestGenericOptionsParser { File testDir; Configuration conf; FileSystem localFs; - - + + @Test public void testFilesOption() throws Exception { File tmpFile = new File(testDir, "tmpfile"); Path tmpPath = new Path(tmpFile.toString()); @@ -97,10 +103,38 @@ public class TestGenericOptionsParser extends TestCase { assertNull("files is not null", files); } + @Test + public void testLibjarsOption() throws Exception { + File tmpJar = new File(testDir, "tmp.jar"); + Path tmpJarPath = new Path(tmpJar.toString()); + localFs.create(tmpJarPath); + String[] args = new String[2]; + // pass a libjars option + // first, pass the jar directly + args[0] = "-libjars"; + // Convert a file to a URI as File.toString() is not a valid URI on + // all platforms and GenericOptionsParser accepts only valid URIs + args[1] = tmpJar.toURI().toString(); + new GenericOptionsParser(conf, args); + String libjars = conf.get("tmpjars"); + assertNotNull("libjars is null", libjars); + assertEquals("libjars does not match", + localFs.makeQualified(tmpJarPath).toString(), libjars); + + // now test the wildcard + args[1] = testDir.toURI().toString() + "*"; + new GenericOptionsParser(conf, args); + libjars = conf.get("tmpjars"); + assertNotNull("libjars is null", libjars); + assertEquals("libjars does not match", + localFs.makeQualified(tmpJarPath).toString(), libjars); + } + /** * Test the case where the libjars, files and archives arguments * contains an empty token, which should create an IllegalArgumentException. */ + @Test public void testEmptyFilenames() throws Exception { List> argsAndConfNames = new ArrayList>(); argsAndConfNames.add(new Pair("-libjars", "tmpjars")); @@ -108,7 +142,6 @@ public class TestGenericOptionsParser extends TestCase { argsAndConfNames.add(new Pair("-archives", "tmparchives")); for (Pair argAndConfName : argsAndConfNames) { String arg = argAndConfName.getFirst(); - String configName = argAndConfName.getSecond(); File tmpFileOne = new File(testDir, "tmpfile1"); Path tmpPathOne = new Path(tmpFileOne.toString()); @@ -162,6 +195,7 @@ public class TestGenericOptionsParser extends TestCase { * Test that options passed to the constructor are used. */ @SuppressWarnings("static-access") + @Test public void testCreateWithOptions() throws Exception { // Create new option newOpt Option opt = OptionBuilder.withArgName("int") @@ -183,6 +217,7 @@ public class TestGenericOptionsParser extends TestCase { /** * Test that multiple conf arguments can be used. */ + @Test public void testConfWithMultipleOpts() throws Exception { String[] args = new String[2]; args[0] = "--conf=foo"; @@ -193,10 +228,9 @@ public class TestGenericOptionsParser extends TestCase { assertEquals("2st conf param is incorrect", "bar", g.getCommandLine().getOptionValues("conf")[1]); } - - @Override - protected void setUp() throws Exception { - super.setUp(); + + @Before + public void setUp() throws Exception { conf = new Configuration(); localFs = FileSystem.getLocal(conf); testDir = GenericTestUtils.getTestDir("generic"); @@ -204,9 +238,8 @@ public class TestGenericOptionsParser extends TestCase { localFs.delete(new Path(testDir.toString()), true); } - @Override - protected void tearDown() throws Exception { - super.tearDown(); + @After + public void tearDown() throws Exception { if(testDir.exists()) { localFs.delete(new Path(testDir.toString()), true); } @@ -216,6 +249,7 @@ public class TestGenericOptionsParser extends TestCase { * testing -fileCache option * @throws IOException */ + @Test public void testTokenCacheOption() throws IOException { FileSystem localFs = FileSystem.getLocal(conf); @@ -264,6 +298,7 @@ public class TestGenericOptionsParser extends TestCase { } /** Test -D parsing */ + @Test public void testDOptionParsing() throws Exception { String[] args; Map expectedMap; @@ -344,7 +379,7 @@ public class TestGenericOptionsParser extends TestCase { assertEquals(entry.getValue(), conf.get(entry.getKey())); } - Assert.assertArrayEquals( + assertArrayEquals( Arrays.toString(remainingArgs) + Arrays.toString(expectedRemainingArgs), expectedRemainingArgs, remainingArgs); } @@ -352,6 +387,7 @@ public class TestGenericOptionsParser extends TestCase { /** Test passing null as args. Some classes still call * Tool interface from java passing null. */ + @Test public void testNullArgs() throws IOException { GenericOptionsParser parser = new GenericOptionsParser(conf, null); parser.getRemainingArgs();