hadoop-tools/hadoop-azure-datalake/src/test/java/org/apache/hadoop/fs/adl/live/TestAdlSupportedCharsetInPath.java - hadoop - Git at Google

 /*
  * 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.adl.live;

 import org.apache.hadoop.fs.FileStatus;
 import org.apache.hadoop.fs.FileSystem;
 import org.apache.hadoop.fs.Path;
 import org.apache.hadoop.fs.adl.common.Parallelized;
 import org.junit.AfterClass;
 import org.junit.Assert;
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.junit.runners.Parameterized;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;

 import java.io.IOException;
 import java.io.UnsupportedEncodingException;
 import java.net.URISyntaxException;
 import java.util.*;

 /**
  * Test supported ASCII, UTF-8 character set supported by Adl storage file
  * system on file/folder operation.
  */
 @RunWith(Parallelized.class)
 public class TestAdlSupportedCharsetInPath {

   private static final String TEST_ROOT = "/test/";
   private static final Logger LOG = LoggerFactory
       .getLogger(TestAdlSupportedCharsetInPath.class);
   private String path;

   public TestAdlSupportedCharsetInPath(String filePath) {
     path = filePath;
   }

   @Parameterized.Parameters(name = "{0}")
   public static Collection<Object[]> adlCharTestData()
       throws UnsupportedEncodingException {

     ArrayList<String> filePathList = new ArrayList<>();
     for (int i = 32; i < 127; ++i) {
       String specialChar = (char) i + "";
       if (i >= 48 && i <= 57) {
         continue;
       }

       if (i >= 65 && i <= 90) {
         continue;
       }

       if (i >= 97 && i <= 122) {
         continue;
       }

       // Special char at start of the path
       if (i != 92 && i != 58 && i != 46 && i != 47) {
         filePathList.add(specialChar + "");
       }

       // Special char at end of string
       if (i != 92 && i != 47 && i != 58) {
         filePathList.add("file " + i + " " + specialChar);
       }

       // Special char in between string
       if (i != 47 && i != 58 && i != 92) {
         filePathList.add("file " + i + " " + specialChar + "_name");
       }
     }

     filePathList.add("a  ");
     filePathList.add("a..b");
     fillUnicodes(filePathList);
     Collection<Object[]> result = new ArrayList<>();
     for (String item : filePathList) {
       result.add(new Object[] {item});
     }
     return result;
   }

   private static void fillUnicodes(ArrayList<String> filePathList) {
     // Unicode characters
     filePathList.add("البيانات الكبيرة"); // Arabic
     filePathList.add("Të dhënat i madh"); // Albanian
     filePathList.add("մեծ տվյալները"); // Armenian
     filePathList.add("böyük data"); // Azerbaijani
     filePathList.add("вялікія дадзеныя"); // Belarusian,
     filePathList.add("বিগ ডেটা"); // Bengali
     filePathList.add("veliki podataka"); // Bosnian
     filePathList.add("голяма данни"); // Bulgarian
     filePathList.add("大数据"); // Chinese - Simplified
     filePathList.add("大數據"); // Chinese - Traditional
     filePathList.add("დიდი მონაცემთა"); // Georgian,
     filePathList.add("große Daten"); // German
     filePathList.add("μεγάλο δεδομένα"); // Greek
     filePathList.add("મોટા માહિતી"); // Gujarati
     filePathList.add("נתונים גדולים"); // Hebrew
     filePathList.add("बड़ा डेटा"); // Hindi
     filePathList.add("stór gögn"); // Icelandic
     filePathList.add("sonraí mór"); // Irish
     filePathList.add("ビッグデータ"); // Japanese
     filePathList.add("үлкен деректер"); // Kazakh
     filePathList.add("ទិន្នន័យធំ"); // Khmer
     filePathList.add("빅 데이터"); // Korean
     filePathList.add("ຂໍ້ມູນ ຂະຫນາດໃຫຍ່"); // Lao
     filePathList.add("големи податоци"); // Macedonian
     filePathList.add("ठूलो डाटा"); // Nepali
     filePathList.add("വലിയ ഡാറ്റ"); // Malayalam
     filePathList.add("मोठे डेटा"); // Marathi
     filePathList.add("том мэдээлэл"); // Mangolian
     filePathList.add("اطلاعات بزرگ"); // Persian
     filePathList.add("ਵੱਡੇ ਡਾਟੇ ਨੂੰ"); // Punjabi
     filePathList.add("большие данные"); // Russian
     filePathList.add("Велики података"); // Serbian
     filePathList.add("විශාල දත්ත"); // Sinhala
     filePathList.add("big dát"); // Slovak
     filePathList.add("маълумоти калон"); // Tajik
     filePathList.add("பெரிய தரவு"); // Tamil
     filePathList.add("పెద్ద డేటా"); // Telugu
     filePathList.add("ข้อมูลใหญ่"); // Thai
     filePathList.add("büyük veri"); // Turkish
     filePathList.add("великі дані"); // Ukranian
     filePathList.add("بڑے اعداد و شمار"); // Urdu
     filePathList.add("katta ma'lumotlar"); // Uzbek
     filePathList.add("dữ liệu lớn"); // Vietanamese
     filePathList.add("גרויס דאַטן"); // Yiddish
     filePathList.add("big idatha"); // Zulu
     filePathList.add("rachelχ");
     filePathList.add("jessicaο");
     filePathList.add("sarahδ");
     filePathList.add("katieν");
     filePathList.add("wendyξ");
     filePathList.add("davidμ");
     filePathList.add("priscillaυ");
     filePathList.add("oscarθ");
     filePathList.add("xavierχ");
     filePathList.add("gabriellaθ");
     filePathList.add("davidυ");
     filePathList.add("ireneμ");
     filePathList.add("fredρ");
     filePathList.add("davidτ");
     filePathList.add("ulyssesν");
     filePathList.add("gabriellaμ");
     filePathList.add("zachζ");
     filePathList.add("gabriellaλ");
     filePathList.add("ulyssesφ");
     filePathList.add("davidχ");
     filePathList.add("sarahσ");
     filePathList.add("hollyψ");
     filePathList.add("nickα");
     filePathList.add("ulyssesι");
     filePathList.add("mikeβ");
     filePathList.add("priscillaκ");
     filePathList.add("wendyθ");
     filePathList.add("jessicaς");
     filePathList.add("fredχ");
     filePathList.add("fredζ");
     filePathList.add("sarahκ");
     filePathList.add("calvinη");
     filePathList.add("xavierχ");
     filePathList.add("yuriχ");
     filePathList.add("ethanλ");
     filePathList.add("hollyε");
     filePathList.add("xavierσ");
     filePathList.add("victorτ");
     filePathList.add("wendyβ");
     filePathList.add("jessicaς");
     filePathList.add("quinnφ");
     filePathList.add("xavierυ");
     filePathList.add("nickι");
     filePathList.add("rachelφ");
     filePathList.add("oscarξ");
     filePathList.add("zachδ");
     filePathList.add("zachλ");
     filePathList.add("rachelα");
     filePathList.add("jessicaφ");
     filePathList.add("lukeφ");
     filePathList.add("tomζ");
     filePathList.add("nickξ");
     filePathList.add("nickκ");
     filePathList.add("ethanδ");
     filePathList.add("fredχ");
     filePathList.add("priscillaθ");
     filePathList.add("zachξ");
     filePathList.add("xavierξ");
     filePathList.add("zachψ");
     filePathList.add("ethanα");
     filePathList.add("oscarι");
     filePathList.add("ireneδ");
     filePathList.add("ireneζ");
     filePathList.add("victorο");
     filePathList.add("wendyβ");
     filePathList.add("mikeσ");
     filePathList.add("fredο");
     filePathList.add("mikeη");
     filePathList.add("sarahρ");
     filePathList.add("quinnβ");
     filePathList.add("mikeυ");
     filePathList.add("nickζ");
     filePathList.add("nickο");
     filePathList.add("tomκ");
     filePathList.add("bobλ");
     filePathList.add("yuriπ");
     filePathList.add("davidτ");
     filePathList.add("quinnπ");
     filePathList.add("mikeλ");
     filePathList.add("davidη");
     filePathList.add("ethanτ");
     filePathList.add("nickφ");
     filePathList.add("yuriο");
     filePathList.add("ethanυ");
     filePathList.add("bobθ");
     filePathList.add("davidλ");
     filePathList.add("priscillaξ");
     filePathList.add("nickγ");
     filePathList.add("lukeυ");
     filePathList.add("ireneλ");
     filePathList.add("xavierο");
     filePathList.add("fredυ");
     filePathList.add("ulyssesμ");
     filePathList.add("wendyγ");
     filePathList.add("zachλ");
     filePathList.add("rachelς");
     filePathList.add("sarahπ");
     filePathList.add("aliceψ");
     filePathList.add("bobτ");
   }

   @AfterClass
   public static void testReport() throws IOException, URISyntaxException {
     if (!AdlStorageConfiguration.isContractTestEnabled()) {
       return;
     }

     FileSystem fs = AdlStorageConfiguration.createStorageConnector();
     fs.delete(new Path(TEST_ROOT), true);
   }

   @Test
   public void testAllowedSpecialCharactersMkdir()
       throws IOException, URISyntaxException {
     Path parentPath = new Path(TEST_ROOT, UUID.randomUUID().toString() + "/");
     Path specialFile = new Path(parentPath, path);
     FileSystem fs = AdlStorageConfiguration.createStorageConnector();

     Assert.assertTrue("Mkdir failed : " + specialFile, fs.mkdirs(specialFile));
     Assert.assertTrue("File not Found after Mkdir success" + specialFile,
         fs.exists(specialFile));
     Assert.assertTrue("Not listed under parent " + parentPath,
         contains(fs.listStatus(parentPath),
             fs.makeQualified(specialFile).toString()));
     Assert.assertTrue("Delete failed : " + specialFile,
             fs.delete(specialFile, true));
     Assert.assertFalse("File still exist after delete " + specialFile,
         fs.exists(specialFile));
   }

   private boolean contains(FileStatus[] statuses, String remotePath) {
     for (FileStatus status : statuses) {
       if (status.getPath().toString().equals(remotePath)) {
         return true;
       }
     }

     for (FileStatus status : statuses) {
       LOG.info(status.getPath().toString());
     }
     return false;
   }

   @Before
   public void setup() throws Exception {
     org.junit.Assume
         .assumeTrue(AdlStorageConfiguration.isContractTestEnabled());
   }

   @Test
   public void testAllowedSpecialCharactersRename()
       throws IOException, URISyntaxException {

     String parentPath = TEST_ROOT + UUID.randomUUID().toString() + "/";
     Path specialFile = new Path(parentPath + path);
     Path anotherLocation = new Path(parentPath + UUID.randomUUID().toString());
     FileSystem fs = AdlStorageConfiguration.createStorageConnector();

     Assert.assertTrue("Could not create " + specialFile.toString(),
         fs.createNewFile(specialFile));
     Assert.assertTrue(
         "Failed to rename " + specialFile.toString() + " --> " + anotherLocation
             .toString(), fs.rename(specialFile, anotherLocation));
     Assert.assertFalse("File should not be present after successful rename : "
         + specialFile.toString(), fs.exists(specialFile));
     Assert.assertTrue("File should be present after successful rename : "
         + anotherLocation.toString(), fs.exists(anotherLocation));
     Assert.assertFalse(
         "Listed under parent whereas expected not listed : " + parentPath,
         contains(fs.listStatus(new Path(parentPath)),
             fs.makeQualified(specialFile).toString()));

     Assert.assertTrue(
         "Failed to rename " + anotherLocation.toString() + " --> " + specialFile
             .toString(), fs.rename(anotherLocation, specialFile));
     Assert.assertTrue(
         "File should be present after successful rename : " + "" + specialFile
             .toString(), fs.exists(specialFile));
     Assert.assertFalse("File should not be present after successful rename : "
         + anotherLocation.toString(), fs.exists(anotherLocation));

     Assert.assertTrue("Not listed under parent " + parentPath,
         contains(fs.listStatus(new Path(parentPath)),
             fs.makeQualified(specialFile).toString()));

     Assert.assertTrue("Failed to delete " + parentPath,
         fs.delete(new Path(parentPath), true));
   }
 }
	/*
	* 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.adl.live;

	import org.apache.hadoop.fs.FileStatus;
	import org.apache.hadoop.fs.FileSystem;
	import org.apache.hadoop.fs.Path;
	import org.apache.hadoop.fs.adl.common.Parallelized;
	import org.junit.AfterClass;
	import org.junit.Assert;
	import org.junit.Before;
	import org.junit.Test;
	import org.junit.runner.RunWith;
	import org.junit.runners.Parameterized;
	import org.slf4j.Logger;
	import org.slf4j.LoggerFactory;

	import java.io.IOException;
	import java.io.UnsupportedEncodingException;
	import java.net.URISyntaxException;
	import java.util.*;

	/**
	* Test supported ASCII, UTF-8 character set supported by Adl storage file
	* system on file/folder operation.
	*/
	@RunWith(Parallelized.class)
	public class TestAdlSupportedCharsetInPath {

	private static final String TEST_ROOT = "/test/";
	private static final Logger LOG = LoggerFactory
	.getLogger(TestAdlSupportedCharsetInPath.class);
	private String path;

	public TestAdlSupportedCharsetInPath(String filePath) {
	path = filePath;
	}

	@Parameterized.Parameters(name = "{0}")
	public static Collection<Object[]> adlCharTestData()
	throws UnsupportedEncodingException {

	ArrayList<String> filePathList = new ArrayList<>();
	for (int i = 32; i < 127; ++i) {
	String specialChar = (char) i + "";
	if (i >= 48 && i <= 57) {
	continue;
	}

	if (i >= 65 && i <= 90) {
	continue;
	}

	if (i >= 97 && i <= 122) {
	continue;
	}

	// Special char at start of the path
	if (i != 92 && i != 58 && i != 46 && i != 47) {
	filePathList.add(specialChar + "");
	}

	// Special char at end of string
	if (i != 92 && i != 47 && i != 58) {
	filePathList.add("file " + i + " " + specialChar);
	}

	// Special char in between string
	if (i != 47 && i != 58 && i != 92) {
	filePathList.add("file " + i + " " + specialChar + "_name");
	}
	}

	filePathList.add("a ");
	filePathList.add("a..b");
	fillUnicodes(filePathList);
	Collection<Object[]> result = new ArrayList<>();
	for (String item : filePathList) {
	result.add(new Object[] {item});
	}
	return result;
	}

	private static void fillUnicodes(ArrayList<String> filePathList) {
	// Unicode characters
	filePathList.add("البيانات الكبيرة"); // Arabic
	filePathList.add("Të dhënat i madh"); // Albanian
	filePathList.add("մեծ տվյալները"); // Armenian
	filePathList.add("böyük data"); // Azerbaijani
	filePathList.add("вялікія дадзеныя"); // Belarusian,
	filePathList.add("বিগ ডেটা"); // Bengali
	filePathList.add("veliki podataka"); // Bosnian
	filePathList.add("голяма данни"); // Bulgarian
	filePathList.add("大数据"); // Chinese - Simplified
	filePathList.add("大數據"); // Chinese - Traditional
	filePathList.add("დიდი მონაცემთა"); // Georgian,
	filePathList.add("große Daten"); // German
	filePathList.add("μεγάλο δεδομένα"); // Greek
	filePathList.add("મોટા માહિતી"); // Gujarati
	filePathList.add("נתונים גדולים"); // Hebrew
	filePathList.add("बड़ा डेटा"); // Hindi
	filePathList.add("stór gögn"); // Icelandic
	filePathList.add("sonraí mór"); // Irish
	filePathList.add("ビッグデータ"); // Japanese
	filePathList.add("үлкен деректер"); // Kazakh
	filePathList.add("ទិន្នន័យធំ"); // Khmer
	filePathList.add("빅 데이터"); // Korean
	filePathList.add("ຂໍ້ມູນ ຂະຫນາດໃຫຍ່"); // Lao
	filePathList.add("големи податоци"); // Macedonian
	filePathList.add("ठूलो डाटा"); // Nepali
	filePathList.add("വലിയ ഡാറ്റ"); // Malayalam
	filePathList.add("मोठे डेटा"); // Marathi
	filePathList.add("том мэдээлэл"); // Mangolian
	filePathList.add("اطلاعات بزرگ"); // Persian
	filePathList.add("ਵੱਡੇ ਡਾਟੇ ਨੂੰ"); // Punjabi
	filePathList.add("большие данные"); // Russian
	filePathList.add("Велики података"); // Serbian
	filePathList.add("විශාල දත්ත"); // Sinhala
	filePathList.add("big dát"); // Slovak
	filePathList.add("маълумоти калон"); // Tajik
	filePathList.add("பெரிய தரவு"); // Tamil
	filePathList.add("పెద్ద డేటా"); // Telugu
	filePathList.add("ข้อมูลใหญ่"); // Thai
	filePathList.add("büyük veri"); // Turkish
	filePathList.add("великі дані"); // Ukranian
	filePathList.add("بڑے اعداد و شمار"); // Urdu
	filePathList.add("katta ma'lumotlar"); // Uzbek
	filePathList.add("dữ liệu lớn"); // Vietanamese
	filePathList.add("גרויס דאַטן"); // Yiddish
	filePathList.add("big idatha"); // Zulu
	filePathList.add("rachelχ");
	filePathList.add("jessicaο");
	filePathList.add("sarahδ");
	filePathList.add("katieν");
	filePathList.add("wendyξ");
	filePathList.add("davidμ");
	filePathList.add("priscillaυ");
	filePathList.add("oscarθ");
	filePathList.add("xavierχ");
	filePathList.add("gabriellaθ");
	filePathList.add("davidυ");
	filePathList.add("ireneμ");
	filePathList.add("fredρ");
	filePathList.add("davidτ");
	filePathList.add("ulyssesν");
	filePathList.add("gabriellaμ");
	filePathList.add("zachζ");
	filePathList.add("gabriellaλ");
	filePathList.add("ulyssesφ");
	filePathList.add("davidχ");
	filePathList.add("sarahσ");
	filePathList.add("hollyψ");
	filePathList.add("nickα");
	filePathList.add("ulyssesι");
	filePathList.add("mikeβ");
	filePathList.add("priscillaκ");
	filePathList.add("wendyθ");
	filePathList.add("jessicaς");
	filePathList.add("fredχ");
	filePathList.add("fredζ");
	filePathList.add("sarahκ");
	filePathList.add("calvinη");
	filePathList.add("xavierχ");
	filePathList.add("yuriχ");
	filePathList.add("ethanλ");
	filePathList.add("hollyε");
	filePathList.add("xavierσ");
	filePathList.add("victorτ");
	filePathList.add("wendyβ");
	filePathList.add("jessicaς");
	filePathList.add("quinnφ");
	filePathList.add("xavierυ");
	filePathList.add("nickι");
	filePathList.add("rachelφ");
	filePathList.add("oscarξ");
	filePathList.add("zachδ");
	filePathList.add("zachλ");
	filePathList.add("rachelα");
	filePathList.add("jessicaφ");
	filePathList.add("lukeφ");
	filePathList.add("tomζ");
	filePathList.add("nickξ");
	filePathList.add("nickκ");
	filePathList.add("ethanδ");
	filePathList.add("fredχ");
	filePathList.add("priscillaθ");
	filePathList.add("zachξ");
	filePathList.add("xavierξ");
	filePathList.add("zachψ");
	filePathList.add("ethanα");
	filePathList.add("oscarι");
	filePathList.add("ireneδ");
	filePathList.add("ireneζ");
	filePathList.add("victorο");
	filePathList.add("wendyβ");
	filePathList.add("mikeσ");
	filePathList.add("fredο");
	filePathList.add("mikeη");
	filePathList.add("sarahρ");
	filePathList.add("quinnβ");
	filePathList.add("mikeυ");
	filePathList.add("nickζ");
	filePathList.add("nickο");
	filePathList.add("tomκ");
	filePathList.add("bobλ");
	filePathList.add("yuriπ");
	filePathList.add("davidτ");
	filePathList.add("quinnπ");
	filePathList.add("mikeλ");
	filePathList.add("davidη");
	filePathList.add("ethanτ");
	filePathList.add("nickφ");
	filePathList.add("yuriο");
	filePathList.add("ethanυ");
	filePathList.add("bobθ");
	filePathList.add("davidλ");
	filePathList.add("priscillaξ");
	filePathList.add("nickγ");
	filePathList.add("lukeυ");
	filePathList.add("ireneλ");
	filePathList.add("xavierο");
	filePathList.add("fredυ");
	filePathList.add("ulyssesμ");
	filePathList.add("wendyγ");
	filePathList.add("zachλ");
	filePathList.add("rachelς");
	filePathList.add("sarahπ");
	filePathList.add("aliceψ");
	filePathList.add("bobτ");
	}

	@AfterClass
	public static void testReport() throws IOException, URISyntaxException {
	if (!AdlStorageConfiguration.isContractTestEnabled()) {
	return;
	}

	FileSystem fs = AdlStorageConfiguration.createStorageConnector();
	fs.delete(new Path(TEST_ROOT), true);
	}

	@Test
	public void testAllowedSpecialCharactersMkdir()
	throws IOException, URISyntaxException {
	Path parentPath = new Path(TEST_ROOT, UUID.randomUUID().toString() + "/");
	Path specialFile = new Path(parentPath, path);
	FileSystem fs = AdlStorageConfiguration.createStorageConnector();

	Assert.assertTrue("Mkdir failed : " + specialFile, fs.mkdirs(specialFile));
	Assert.assertTrue("File not Found after Mkdir success" + specialFile,
	fs.exists(specialFile));
	Assert.assertTrue("Not listed under parent " + parentPath,
	contains(fs.listStatus(parentPath),
	fs.makeQualified(specialFile).toString()));
	Assert.assertTrue("Delete failed : " + specialFile,
	fs.delete(specialFile, true));
	Assert.assertFalse("File still exist after delete " + specialFile,
	fs.exists(specialFile));
	}

	private boolean contains(FileStatus[] statuses, String remotePath) {
	for (FileStatus status : statuses) {
	if (status.getPath().toString().equals(remotePath)) {
	return true;
	}
	}

	for (FileStatus status : statuses) {
	LOG.info(status.getPath().toString());
	}
	return false;
	}

	@Before
	public void setup() throws Exception {
	org.junit.Assume
	.assumeTrue(AdlStorageConfiguration.isContractTestEnabled());
	}

	@Test
	public void testAllowedSpecialCharactersRename()
	throws IOException, URISyntaxException {

	String parentPath = TEST_ROOT + UUID.randomUUID().toString() + "/";
	Path specialFile = new Path(parentPath + path);
	Path anotherLocation = new Path(parentPath + UUID.randomUUID().toString());
	FileSystem fs = AdlStorageConfiguration.createStorageConnector();

	Assert.assertTrue("Could not create " + specialFile.toString(),
	fs.createNewFile(specialFile));
	Assert.assertTrue(
	"Failed to rename " + specialFile.toString() + " --> " + anotherLocation
	.toString(), fs.rename(specialFile, anotherLocation));
	Assert.assertFalse("File should not be present after successful rename : "
	+ specialFile.toString(), fs.exists(specialFile));
	Assert.assertTrue("File should be present after successful rename : "
	+ anotherLocation.toString(), fs.exists(anotherLocation));
	Assert.assertFalse(
	"Listed under parent whereas expected not listed : " + parentPath,
	contains(fs.listStatus(new Path(parentPath)),
	fs.makeQualified(specialFile).toString()));

	Assert.assertTrue(
	"Failed to rename " + anotherLocation.toString() + " --> " + specialFile
	.toString(), fs.rename(anotherLocation, specialFile));
	Assert.assertTrue(
	"File should be present after successful rename : " + "" + specialFile
	.toString(), fs.exists(specialFile));
	Assert.assertFalse("File should not be present after successful rename : "
	+ anotherLocation.toString(), fs.exists(anotherLocation));

	Assert.assertTrue("Not listed under parent " + parentPath,
	contains(fs.listStatus(new Path(parentPath)),
	fs.makeQualified(specialFile).toString()));

	Assert.assertTrue("Failed to delete " + parentPath,
	fs.delete(new Path(parentPath), true));
	}
	}