/**
* 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.hadoop.fs;
import org.apache.commons.lang.StringUtils;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.hdfs.HdfsConfiguration;
import org.apache.hadoop.hdfs.MiniDFSCluster;
import org.junit.After;
import org.junit.AfterClass;
import org.junit.BeforeClass;
import org.junit.Test;
import java.io.IOException;
import java.util.regex.Pattern;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertTrue;
public class TestGlobPaths {
static class RegexPathFilter implements PathFilter {
private final String regex;
public RegexPathFilter(String regex) {
this.regex = regex;
}
@Override
public boolean accept(Path path) {
return path.toString().matches(regex);
}
}
static private MiniDFSCluster dfsCluster;
static private FileSystem fs;
static final private int NUM_OF_PATHS = 4;
static private String USER_DIR;
private Path[] path = new Path[NUM_OF_PATHS];
@BeforeClass
public static void setUp() throws Exception {
Configuration conf = new HdfsConfiguration();
dfsCluster = new MiniDFSCluster.Builder(conf).build();
fs = FileSystem.get(conf);
USER_DIR = fs.getHomeDirectory().toUri().getPath().toString();
}
@AfterClass
public static void tearDown() throws Exception {
if (dfsCluster != null) {
dfsCluster.shutdown();
}
}
@Test
public void testMultiGlob() throws IOException {
FileStatus[] status;
/*
* /dir1/subdir1
* /dir1/subdir1/f1
* /dir1/subdir1/f2
* /dir1/subdir2/f1
* /dir2/subdir1
* /dir2/subdir2
* /dir2/subdir2/f1
* /dir3/f1
* /dir3/f1
* /dir3/f2(dir)
* /dir3/subdir2(file)
* /dir3/subdir3
* /dir3/subdir3/f1
* /dir3/subdir3/f1/f1
* /dir3/subdir3/f3
* /dir4
*/
Path d1 = new Path(USER_DIR, "dir1");
Path d11 = new Path(d1, "subdir1");
Path d12 = new Path(d1, "subdir2");
Path f111 = new Path(d11, "f1");
fs.createNewFile(f111);
Path f112 = new Path(d11, "f2");
fs.createNewFile(f112);
Path f121 = new Path(d12, "f1");
fs.createNewFile(f121);
Path d2 = new Path(USER_DIR, "dir2");
Path d21 = new Path(d2, "subdir1");
fs.mkdirs(d21);
Path d22 = new Path(d2, "subdir2");
Path f221 = new Path(d22, "f1");
fs.createNewFile(f221);
Path d3 = new Path(USER_DIR, "dir3");
Path f31 = new Path(d3, "f1");
fs.createNewFile(f31);
Path d32 = new Path(d3, "f2");
fs.mkdirs(d32);
Path f32 = new Path(d3, "subdir2"); // fake as a subdir!
fs.createNewFile(f32);
Path d33 = new Path(d3, "subdir3");
Path f333 = new Path(d33, "f3");
fs.createNewFile(f333);
Path d331 = new Path(d33, "f1");
Path f3311 = new Path(d331, "f1");
fs.createNewFile(f3311);
Path d4 = new Path(USER_DIR, "dir4");
fs.mkdirs(d4);
/*
* basic
*/
Path root = new Path(USER_DIR);
status = fs.globStatus(root);
checkStatus(status, root);
status = fs.globStatus(new Path(USER_DIR, "x"));
assertNull(status);
status = fs.globStatus(new Path("x"));
assertNull(status);
status = fs.globStatus(new Path(USER_DIR, "x/x"));
assertNull(status);
status = fs.globStatus(new Path("x/x"));
assertNull(status);
status = fs.globStatus(new Path(USER_DIR, "*"));
checkStatus(status, d1, d2, d3, d4);
status = fs.globStatus(new Path("*"));
checkStatus(status, d1, d2, d3, d4);
status = fs.globStatus(new Path(USER_DIR, "*/x"));
checkStatus(status);
status = fs.globStatus(new Path("*/x"));
checkStatus(status);
status = fs.globStatus(new Path(USER_DIR, "x/*"));
checkStatus(status);
status = fs.globStatus(new Path("x/*"));
checkStatus(status);
// make sure full pattern is scanned instead of bailing early with undef
status = fs.globStatus(new Path(USER_DIR, "x/x/x/*"));
checkStatus(status);
status = fs.globStatus(new Path("x/x/x/*"));
checkStatus(status);
status = fs.globStatus(new Path(USER_DIR, "*/*"));
checkStatus(status, d11, d12, d21, d22, f31, d32, f32, d33);
status = fs.globStatus(new Path("*/*"));
checkStatus(status, d11, d12, d21, d22, f31, d32, f32, d33);
/*
* one level deep
*/
status = fs.globStatus(new Path(USER_DIR, "dir*/*"));
checkStatus(status, d11, d12, d21, d22, f31, d32, f32, d33);
status = fs.globStatus(new Path("dir*/*"));
checkStatus(status, d11, d12, d21, d22, f31, d32, f32, d33);
status = fs.globStatus(new Path(USER_DIR, "dir*/subdir*"));
checkStatus(status, d11, d12, d21, d22, f32, d33);
status = fs.globStatus(new Path("dir*/subdir*"));
checkStatus(status, d11, d12, d21, d22, f32, d33);
status = fs.globStatus(new Path(USER_DIR, "dir*/f*"));
checkStatus(status, f31, d32);
status = fs.globStatus(new Path("dir*/f*"));
checkStatus(status, f31, d32);
/*
* subdir1 globs
*/
status = fs.globStatus(new Path(USER_DIR, "dir*/subdir1"));
checkStatus(status, d11, d21);
status = fs.globStatus(new Path(USER_DIR, "dir*/subdir1/*"));
checkStatus(status, f111, f112);
status = fs.globStatus(new Path(USER_DIR, "dir*/subdir1/*/*"));
checkStatus(status);
status = fs.globStatus(new Path(USER_DIR, "dir*/subdir1/x"));
checkStatus(status);
status = fs.globStatus(new Path(USER_DIR, "dir*/subdir1/x*"));
checkStatus(status);
/*
* subdir2 globs
*/
status = fs.globStatus(new Path(USER_DIR, "dir*/subdir2"));
checkStatus(status, d12, d22, f32);
status = fs.globStatus(new Path(USER_DIR, "dir*/subdir2/*"));
checkStatus(status, f121, f221);
status = fs.globStatus(new Path(USER_DIR, "dir*/subdir2/*/*"));
checkStatus(status);
/*
* subdir3 globs
*/
status = fs.globStatus(new Path(USER_DIR, "dir*/subdir3"));
checkStatus(status, d33);
status = fs.globStatus(new Path(USER_DIR, "dir*/subdir3/*"));
checkStatus(status, d331, f333);
status = fs.globStatus(new Path(USER_DIR, "dir*/subdir3/*/*"));
checkStatus(status, f3311);
status = fs.globStatus(new Path(USER_DIR, "dir*/subdir3/*/*/*"));
checkStatus(status);
/*
* file1 single dir globs
*/
status = fs.globStatus(new Path(USER_DIR, "dir*/subdir1/f1"));
checkStatus(status, f111);
status = fs.globStatus(new Path(USER_DIR, "dir*/subdir1/f1*"));
checkStatus(status, f111);
status = fs.globStatus(new Path(USER_DIR, "dir*/subdir1/f1/*"));
checkStatus(status);
status = fs.globStatus(new Path(USER_DIR, "dir*/subdir1/f1*/*"));
checkStatus(status);
/*
* file1 multi-dir globs
*/
status = fs.globStatus(new Path(USER_DIR, "dir*/subdir*/f1"));
checkStatus(status, f111, f121, f221, d331);
status = fs.globStatus(new Path(USER_DIR, "dir*/subdir*/f1*"));
checkStatus(status, f111, f121, f221, d331);
status = fs.globStatus(new Path(USER_DIR, "dir*/subdir*/f1/*"));
checkStatus(status, f3311);
status = fs.globStatus(new Path(USER_DIR, "dir*/subdir*/f1*/*"));
checkStatus(status, f3311);
status = fs.globStatus(new Path(USER_DIR, "dir*/subdir*/f1*/*"));
checkStatus(status, f3311);
status = fs.globStatus(new Path(USER_DIR, "dir*/subdir*/f1*/x"));
checkStatus(status);
status = fs.globStatus(new Path(USER_DIR, "dir*/subdir*/f1*/*/*"));
checkStatus(status);
/*
* file glob multiple files
*/
status = fs.globStatus(new Path(USER_DIR, "dir*/subdir*"));
checkStatus(status, d11, d12, d21, d22, f32, d33);
status = fs.globStatus(new Path(USER_DIR, "dir*/subdir*/*"));
checkStatus(status, f111, f112, f121, f221, d331, f333);
status = fs.globStatus(new Path(USER_DIR, "dir*/subdir*/f*"));
checkStatus(status, f111, f112, f121, f221, d331, f333);
status = fs.globStatus(new Path(USER_DIR, "dir*/subdir*/f*/*"));
checkStatus(status, f3311);
status = fs.globStatus(new Path(USER_DIR, "dir*/subdir*/*/f1"));
checkStatus(status, f3311);
status = fs.globStatus(new Path(USER_DIR, "dir*/subdir*/*/*"));
checkStatus(status, f3311);
// doesn't exist
status = fs.globStatus(new Path(USER_DIR, "dir*/subdir1/f3"));
checkStatus(status);
status = fs.globStatus(new Path(USER_DIR, "dir*/subdir1/f3*"));
checkStatus(status);
status = fs.globStatus(new Path("{x}"));
checkStatus(status);
status = fs.globStatus(new Path("{x,y}"));
checkStatus(status);
status = fs.globStatus(new Path("dir*/{x,y}"));
checkStatus(status);
status = fs.globStatus(new Path("dir*/{f1,y}"));
checkStatus(status, f31);
status = fs.globStatus(new Path("{x,y}"));
checkStatus(status);
status = fs.globStatus(new Path("/{x/x,y/y}"));
checkStatus(status);
status = fs.globStatus(new Path("{x/x,y/y}"));
checkStatus(status);
status = fs.globStatus(new Path(Path.CUR_DIR));
checkStatus(status, new Path(USER_DIR));
status = fs.globStatus(new Path(USER_DIR + "{/dir1}"));
checkStatus(status, d1);
status = fs.globStatus(new Path(USER_DIR + "{/dir*}"));
checkStatus(status, d1, d2, d3, d4);
/*
* true filter
*/
PathFilter trueFilter = new PathFilter() {
@Override
public boolean accept(Path path) {
return true;
}
};
status = fs.globStatus(new Path(Path.SEPARATOR), trueFilter);
checkStatus(status, new Path(Path.SEPARATOR));
status = fs.globStatus(new Path(Path.CUR_DIR), trueFilter);
checkStatus(status, new Path(USER_DIR));
status = fs.globStatus(d1, trueFilter);
checkStatus(status, d1);
status = fs.globStatus(new Path(USER_DIR), trueFilter);
checkStatus(status, new Path(USER_DIR));
status = fs.globStatus(new Path(USER_DIR, "*"), trueFilter);
checkStatus(status, d1, d2, d3, d4);
status = fs.globStatus(new Path("/x/*"), trueFilter);
checkStatus(status);
status = fs.globStatus(new Path("/x"), trueFilter);
assertNull(status);
status = fs.globStatus(new Path("/x/x"), trueFilter);
assertNull(status);
/*
* false filter
*/
PathFilter falseFilter = new PathFilter() {
@Override
public boolean accept(Path path) {
return false;
}
};
status = fs.globStatus(new Path(Path.SEPARATOR), falseFilter);
assertNull(status);
status = fs.globStatus(new Path(Path.CUR_DIR), falseFilter);
assertNull(status);
status = fs.globStatus(new Path(USER_DIR), falseFilter);
assertNull(status);
status = fs.globStatus(new Path(USER_DIR, "*"), falseFilter);
checkStatus(status);
status = fs.globStatus(new Path("/x/*"), falseFilter);
checkStatus(status);
status = fs.globStatus(new Path("/x"), falseFilter);
assertNull(status);
status = fs.globStatus(new Path("/x/x"), falseFilter);
assertNull(status);
}
private void checkStatus(FileStatus[] status, Path... expectedMatches) {
assertNotNull(status);
String[] paths = new String[status.length];
for (int i = 0; i < status.length; i++) {
paths[i] = getPathFromStatus(status[i]);
}
String got = StringUtils.join(paths, "\n");
String expected = StringUtils.join(expectedMatches, "\n");
assertEquals(expected, got);
}
private String getPathFromStatus(FileStatus status) {
return status.getPath().toUri().getPath();
}
@Test
public void testPathFilter() throws IOException {
try {
String[] files = new String[]{USER_DIR + "/a", USER_DIR + "/a/b"};
Path[] matchedPath = prepareTesting(USER_DIR + "/*/*", files,
new RegexPathFilter("^.*" + Pattern.quote(USER_DIR) + "/a/b"));
assertEquals(matchedPath.length, 1);
assertEquals(matchedPath[0], path[1]);
} finally {
cleanupDFS();
}
}
@Test
public void testPathFilterWithFixedLastComponent() throws IOException {
try {
String[] files =
new String[]{USER_DIR + "/a", USER_DIR + "/a/b", USER_DIR + "/c",
USER_DIR + "/c/b",};
Path[] matchedPath = prepareTesting(USER_DIR + "/*/b", files,
new RegexPathFilter("^.*" + Pattern.quote(USER_DIR) + "/a/b"));
assertEquals(matchedPath.length, 1);
assertEquals(matchedPath[0], path[1]);
} finally {
cleanupDFS();
}
}
@Test
public void pTestLiteral() throws IOException {
try {
String[] files = new String[]{USER_DIR + "/a2c", USER_DIR + "/abc.d"};
Path[] matchedPath = prepareTesting(USER_DIR + "/abc.d", files);
assertEquals(matchedPath.length, 1);
assertEquals(matchedPath[0], path[1]);
} finally {
cleanupDFS();
}
}
@Test
public void pTestEscape() throws IOException {
try {
String[] files = new String[]{USER_DIR + "/ab\\[c.d"};
Path[] matchedPath = prepareTesting(USER_DIR + "/ab\\[c.d", files);
assertEquals(matchedPath.length, 1);
assertEquals(matchedPath[0], path[0]);
} finally {
cleanupDFS();
}
}
@Test
public void pTestAny() throws IOException {
try {
String[] files =
new String[]{USER_DIR + "/abc", USER_DIR + "/a2c", USER_DIR + "/a.c",
USER_DIR + "/abcd"};
Path[] matchedPath = prepareTesting(USER_DIR + "/a?c", files);
assertEquals(matchedPath.length, 3);
assertEquals(matchedPath[0], path[2]);
assertEquals(matchedPath[1], path[1]);
assertEquals(matchedPath[2], path[0]);
} finally {
cleanupDFS();
}
}
@Test
public void pTestClosure1() throws IOException {
try {
String[] files =
new String[]{USER_DIR + "/a", USER_DIR + "/abc", USER_DIR + "/abc.p",
USER_DIR + "/bacd"};
Path[] matchedPath = prepareTesting(USER_DIR + "/a*", files);
assertEquals(matchedPath.length, 3);
assertEquals(matchedPath[0], path[0]);
assertEquals(matchedPath[1], path[1]);
assertEquals(matchedPath[2], path[2]);
} finally {
cleanupDFS();
}
}
@Test
public void pTestClosure2() throws IOException {
try {
String[] files = new String[]{USER_DIR + "/a.", USER_DIR + "/a.txt",
USER_DIR + "/a.old.java", USER_DIR + "/.java"};
Path[] matchedPath = prepareTesting(USER_DIR + "/a.*", files);
assertEquals(matchedPath.length, 3);
assertEquals(matchedPath[0], path[0]);
assertEquals(matchedPath[1], path[2]);
assertEquals(matchedPath[2], path[1]);
} finally {
cleanupDFS();
}
}
@Test
public void pTestClosure3() throws IOException {
try {
String[] files = new String[]{USER_DIR + "/a.txt.x", USER_DIR + "/ax",
USER_DIR + "/ab37x", USER_DIR + "/bacd"};
Path[] matchedPath = prepareTesting(USER_DIR + "/a*x", files);
assertEquals(matchedPath.length, 3);
assertEquals(matchedPath[0], path[0]);
assertEquals(matchedPath[1], path[2]);
assertEquals(matchedPath[2], path[1]);
} finally {
cleanupDFS();
}
}
@Test
public void pTestClosure4() throws IOException {
try {
String[] files =
new String[]{USER_DIR + "/dir1/file1", USER_DIR + "/dir2/file2",
USER_DIR + "/dir3/file1"};
Path[] matchedPath = prepareTesting(USER_DIR + "/*/file1", files);
assertEquals(matchedPath.length, 2);
assertEquals(matchedPath[0], path[0]);
assertEquals(matchedPath[1], path[2]);
} finally {
cleanupDFS();
}
}
@Test
public void pTestClosure5() throws IOException {
try {
String[] files =
new String[]{USER_DIR + "/dir1/file1", USER_DIR + "/file1"};
Path[] matchedPath = prepareTesting(USER_DIR + "/*/file1", files);
assertEquals(matchedPath.length, 1);
assertEquals(matchedPath[0], path[0]);
} finally {
cleanupDFS();
}
}
@Test
public void pTestSet() throws IOException {
try {
String[] files = new String[]{USER_DIR + "/a.c", USER_DIR + "/a.cpp",
USER_DIR + "/a.hlp", USER_DIR + "/a.hxy"};
Path[] matchedPath = prepareTesting(USER_DIR + "/a.[ch]??", files);
assertEquals(matchedPath.length, 3);
assertEquals(matchedPath[0], path[1]);
assertEquals(matchedPath[1], path[2]);
assertEquals(matchedPath[2], path[3]);
} finally {
cleanupDFS();
}
}
@Test
public void pTestRange() throws IOException {
try {
String[] files =
new String[]{USER_DIR + "/a.d", USER_DIR + "/a.e", USER_DIR + "/a.f",
USER_DIR + "/a.h"};
Path[] matchedPath = prepareTesting(USER_DIR + "/a.[d-fm]", files);
assertEquals(matchedPath.length, 3);
assertEquals(matchedPath[0], path[0]);
assertEquals(matchedPath[1], path[1]);
assertEquals(matchedPath[2], path[2]);
} finally {
cleanupDFS();
}
}
@Test
public void pTestSetExcl() throws IOException {
try {
String[] files =
new String[]{USER_DIR + "/a.d", USER_DIR + "/a.e", USER_DIR + "/a.0",
USER_DIR + "/a.h"};
Path[] matchedPath = prepareTesting(USER_DIR + "/a.[^a-cg-z0-9]", files);
assertEquals(matchedPath.length, 2);
assertEquals(matchedPath[0], path[0]);
assertEquals(matchedPath[1], path[1]);
} finally {
cleanupDFS();
}
}
@Test
public void pTestCombination() throws IOException {
try {
String[] files =
new String[]{"/user/aa/a.c", "/user/bb/a.cpp", "/user1/cc/b.hlp",
"/user/dd/a.hxy"};
Path[] matchedPath = prepareTesting("/use?/*/a.[ch]{lp,xy}", files);
assertEquals(matchedPath.length, 1);
assertEquals(matchedPath[0], path[3]);
} finally {
cleanupDFS();
}
}
@Test
public void pTestRelativePath() throws IOException {
try {
String[] files = new String[]{"a", "abc", "abc.p", "bacd"};
Path[] matchedPath = prepareTesting("a*", files);
assertEquals(matchedPath.length, 3);
assertEquals(matchedPath[0], new Path(USER_DIR, path[0]));
assertEquals(matchedPath[1], new Path(USER_DIR, path[1]));
assertEquals(matchedPath[2], new Path(USER_DIR, path[2]));
} finally {
cleanupDFS();
}
}
/* Test {xx,yy} */
@Test
public void pTestCurlyBracket() throws IOException {
Path[] matchedPath;
String[] files;
try {
files = new String[]{USER_DIR + "/a.abcxx", USER_DIR + "/a.abxy",
USER_DIR + "/a.hlp", USER_DIR + "/a.jhyy"};
matchedPath = prepareTesting(USER_DIR + "/a.{abc,jh}??", files);
assertEquals(matchedPath.length, 2);
assertEquals(matchedPath[0], path[0]);
assertEquals(matchedPath[1], path[3]);
} finally {
cleanupDFS();
}
// nested curlies
try {
files = new String[]{USER_DIR + "/a.abcxx", USER_DIR + "/a.abdxy",
USER_DIR + "/a.hlp", USER_DIR + "/a.jhyy"};
matchedPath = prepareTesting(USER_DIR + "/a.{ab{c,d},jh}??", files);
assertEquals(matchedPath.length, 3);
assertEquals(matchedPath[0], path[0]);
assertEquals(matchedPath[1], path[1]);
assertEquals(matchedPath[2], path[3]);
} finally {
cleanupDFS();
}
// cross-component curlies
try {
files =
new String[]{USER_DIR + "/a/b", USER_DIR + "/a/d", USER_DIR + "/c/b",
USER_DIR + "/c/d"};
matchedPath = prepareTesting(USER_DIR + "/{a/b,c/d}", files);
assertEquals(matchedPath.length, 2);
assertEquals(matchedPath[0], path[0]);
assertEquals(matchedPath[1], path[3]);
} finally {
cleanupDFS();
}
// cross-component absolute curlies
try {
files = new String[]{"/a/b", "/a/d", "/c/b", "/c/d"};
matchedPath = prepareTesting("{/a/b,/c/d}", files);
assertEquals(matchedPath.length, 2);
assertEquals(matchedPath[0], path[0]);
assertEquals(matchedPath[1], path[3]);
} finally {
cleanupDFS();
}
try {
// test standalone }
files = new String[]{USER_DIR + "/}bc", USER_DIR + "/}c"};
matchedPath = prepareTesting(USER_DIR + "/}{a,b}c", files);
assertEquals(matchedPath.length, 1);
assertEquals(matchedPath[0], path[0]);
// test {b}
matchedPath = prepareTesting(USER_DIR + "/}{b}c", files);
assertEquals(matchedPath.length, 1);
assertEquals(matchedPath[0], path[0]);
// test {}
matchedPath = prepareTesting(USER_DIR + "/}{}bc", files);
assertEquals(matchedPath.length, 1);
assertEquals(matchedPath[0], path[0]);
// test {,}
matchedPath = prepareTesting(USER_DIR + "/}{,}bc", files);
assertEquals(matchedPath.length, 1);
assertEquals(matchedPath[0], path[0]);
// test {b,}
matchedPath = prepareTesting(USER_DIR + "/}{b,}c", files);
assertEquals(matchedPath.length, 2);
assertEquals(matchedPath[0], path[0]);
assertEquals(matchedPath[1], path[1]);
// test {,b}
matchedPath = prepareTesting(USER_DIR + "/}{,b}c", files);
assertEquals(matchedPath.length, 2);
assertEquals(matchedPath[0], path[0]);
assertEquals(matchedPath[1], path[1]);
// test a combination of {} and ?
matchedPath = prepareTesting(USER_DIR + "/}{ac,?}", files);
assertEquals(matchedPath.length, 1);
assertEquals(matchedPath[0], path[1]);
// test ill-formed curly
boolean hasException = false;
try {
prepareTesting(USER_DIR + "}{bc", files);
} catch (IOException e) {
assertTrue(e.getMessage().startsWith("Illegal file pattern:"));
hasException = true;
}
assertTrue(hasException);
} finally {
cleanupDFS();
}
}
/* test that a path name can contain Java regex special characters */
@Test
public void pTestJavaRegexSpecialChars() throws IOException {
try {
String[] files = new String[]{USER_DIR + "/($.|+)bc", USER_DIR + "/abc"};
Path[] matchedPath = prepareTesting(USER_DIR + "/($.|+)*", files);
assertEquals(matchedPath.length, 1);
assertEquals(matchedPath[0], path[0]);
} finally {
cleanupDFS();
}
}
private Path[] prepareTesting(String pattern, String[] files)
throws IOException {
for (int i = 0; i < Math.min(NUM_OF_PATHS, files.length); i++) {
path[i] = fs.makeQualified(new Path(files[i]));
if (!fs.mkdirs(path[i])) {
throw new IOException("Mkdirs failed to create " + path[i].toString());
}
}
Path patternPath = new Path(pattern);
Path[] globResults =
FileUtil.stat2Paths(fs.globStatus(patternPath), patternPath);
for (int i = 0; i < globResults.length; i++) {
globResults[i] =
globResults[i].makeQualified(fs.getUri(), fs.getWorkingDirectory());
}
return globResults;
}
private Path[] prepareTesting(String pattern, String[] files,
PathFilter filter) throws IOException {
for (int i = 0; i < Math.min(NUM_OF_PATHS, files.length); i++) {
path[i] = fs.makeQualified(new Path(files[i]));
if (!fs.mkdirs(path[i])) {
throw new IOException("Mkdirs failed to create " + path[i].toString());
}
}
Path patternPath = new Path(pattern);
Path[] globResults =
FileUtil.stat2Paths(fs.globStatus(patternPath, filter), patternPath);
for (int i = 0; i < globResults.length; i++) {
globResults[i] =
globResults[i].makeQualified(fs.getUri(), fs.getWorkingDirectory());
}
return globResults;
}
@After
public void cleanupDFS() throws IOException {
fs.delete(new Path(USER_DIR), true);
}
}