HADOOP-17765. ABFS: Use Unique File Paths in Tests. (#3153)

Contributed by Sumangala Patki

hadoop-tools/hadoop-azure/src/test/java/org/apache/hadoop/fs/azurebfs/AbstractAbfsIntegrationTest.java

@@ -26,11 +26,11 @@ import java.util.UUID;
 import java.util.concurrent.Callable;
 
 import org.junit.After;
-import org.junit.Assert;
 import org.junit.Before;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
+import org.apache.commons.lang3.StringUtils;
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.fs.CommonConfigurationKeysPublic;
 import org.apache.hadoop.fs.FileSystem;
@@ -84,6 +84,7 @@ public abstract class AbstractAbfsIntegrationTest extends
   private AuthType authType;
   private boolean useConfiguredFileSystem = false;
   private boolean usingFilesystemForSASTests = false;
+  private static final int SHORTENED_GUID_LEN = 12;
 
   protected AbstractAbfsIntegrationTest() throws Exception {
     fileSystemName = TEST_CONTAINER_PREFIX + UUID.randomUUID().toString();
@@ -270,7 +271,8 @@ public abstract class AbstractAbfsIntegrationTest extends
     // so first create temporary instance of the filesystem using SharedKey
     // then re-use the filesystem it creates with SAS auth instead of SharedKey.
     AzureBlobFileSystem tempFs = (AzureBlobFileSystem) FileSystem.newInstance(rawConfig);
-    Assert.assertTrue(tempFs.exists(new Path("/")));
+    ContractTestUtils.assertPathExists(tempFs, "This path should exist",
+        new Path("/"));
     abfsConfig.set(FS_AZURE_ACCOUNT_AUTH_TYPE_PROPERTY_NAME, AuthType.SAS.name());
     usingFilesystemForSASTests = true;
   }
@@ -440,7 +442,20 @@ public abstract class AbstractAbfsIntegrationTest extends
    */
   protected Path path(String filepath) throws IOException {
     return getFileSystem().makeQualified(
-        new Path(getTestPath(), filepath));
+        new Path(getTestPath(), getUniquePath(filepath)));
+  }
+
+  /**
+   * Generate a unique path using the given filepath.
+   * @param filepath path string
+   * @return unique path created from filepath and a GUID
+   */
+  protected Path getUniquePath(String filepath) {
+    if (filepath.equals("/")) {
+      return new Path(filepath);
+    }
+    return new Path(filepath + StringUtils
+        .right(UUID.randomUUID().toString(), SHORTENED_GUID_LEN));
   }
 
   /**

hadoop-tools/hadoop-azure/src/test/java/org/apache/hadoop/fs/azurebfs/ITestAbfsClient.java

@@ -93,7 +93,7 @@ public final class ITestAbfsClient extends AbstractAbfsIntegrationTest {
   public void testListPathWithValidListMaxResultsValues()
       throws IOException, ExecutionException, InterruptedException {
     final int fileCount = 10;
-    final String directory = "testWithValidListMaxResultsValues";
+    final Path directory = getUniquePath("testWithValidListMaxResultsValues");
     createDirectoryWithNFiles(directory, fileCount);
     final int[] testData = {fileCount + 100, fileCount + 1, fileCount,
         fileCount - 1, 1};
@@ -102,7 +102,7 @@ public final class ITestAbfsClient extends AbstractAbfsIntegrationTest {
       setListMaxResults(listMaxResults);
       int expectedListResultsSize =
           listMaxResults > fileCount ? fileCount : listMaxResults;
-      Assertions.assertThat(listPath(directory)).describedAs(
+      Assertions.assertThat(listPath(directory.toString())).describedAs(
           "AbfsClient.listPath result should contain %d items when "
               + "listMaxResults is %d and directory contains %d items",
           expectedListResultsSize, listMaxResults, fileCount)
@@ -114,9 +114,10 @@ public final class ITestAbfsClient extends AbstractAbfsIntegrationTest {
   public void testListPathWithValueGreaterThanServerMaximum()
       throws IOException, ExecutionException, InterruptedException {
     setListMaxResults(LIST_MAX_RESULTS_SERVER + 100);
-    final String directory = "testWithValueGreaterThanServerMaximum";
+    final Path directory = getUniquePath(
+        "testWithValueGreaterThanServerMaximum");
     createDirectoryWithNFiles(directory, LIST_MAX_RESULTS_SERVER + 200);
-    Assertions.assertThat(listPath(directory)).describedAs(
+    Assertions.assertThat(listPath(directory.toString())).describedAs(
         "AbfsClient.listPath result will contain a maximum of %d items "
             + "even if listMaxResults >= %d or directory "
             + "contains more than %d items", LIST_MAX_RESULTS_SERVER,
@@ -152,7 +153,7 @@ public final class ITestAbfsClient extends AbstractAbfsIntegrationTest {
         .setListMaxResults(listMaxResults);
   }
 
-  private void createDirectoryWithNFiles(String directory, int n)
+  private void createDirectoryWithNFiles(Path directory, int n)
       throws ExecutionException, InterruptedException {
     final List<Future<Void>> tasks = new ArrayList<>();
     ExecutorService es = Executors.newFixedThreadPool(10);

hadoop-tools/hadoop-azure/src/test/java/org/apache/hadoop/fs/azurebfs/ITestAbfsListStatusRemoteIterator.java

@@ -237,8 +237,8 @@ public class ITestAbfsListStatusRemoteIterator extends AbstractAbfsIntegrationTe
   @Test
   public void testHasNextForFile() throws Exception {
     final AzureBlobFileSystem fs = getFileSystem();
-    String testFileName = "testFile";
+    Path testFile = path("testFile");
-    Path testFile = new Path(testFileName);
+    String testFileName = testFile.toString();
     getFileSystem().create(testFile);
     setPageSize(10);
     RemoteIterator<FileStatus> fsItr = fs.listStatusIterator(testFile);
@@ -304,7 +304,7 @@ public class ITestAbfsListStatusRemoteIterator extends AbstractAbfsIntegrationTe
 
   private Path createTestDirectory() throws IOException {
     String testDirectoryName = "testDirectory" + System.currentTimeMillis();
-    Path testDirectory = new Path(testDirectoryName);
+    Path testDirectory = path(testDirectoryName);
     getFileSystem().mkdirs(testDirectory);
     return testDirectory;
   }

hadoop-tools/hadoop-azure/src/test/java/org/apache/hadoop/fs/azurebfs/ITestAbfsReadWriteAndSeek.java

@@ -45,7 +45,7 @@ import static org.apache.hadoop.fs.azurebfs.constants.FileSystemConfigurations.M
  */
 @RunWith(Parameterized.class)
 public class ITestAbfsReadWriteAndSeek extends AbstractAbfsScaleTest {
-  private static final Path TEST_PATH = new Path("/testfile");
+  private static final String TEST_PATH = "/testfile";
 
   @Parameterized.Parameters(name = "Size={0}")
   public static Iterable<Object[]> sizes() {
@@ -75,13 +75,14 @@ public class ITestAbfsReadWriteAndSeek extends AbstractAbfsScaleTest {
     final byte[] b = new byte[2 * bufferSize];
     new Random().nextBytes(b);
 
-    try (FSDataOutputStream stream = fs.create(TEST_PATH)) {
+    Path testPath = path(TEST_PATH);
+    try (FSDataOutputStream stream = fs.create(testPath)) {
       stream.write(b);
     }
 
     final byte[] readBuffer = new byte[2 * bufferSize];
     int result;
-    try (FSDataInputStream inputStream = fs.open(TEST_PATH)) {
+    try (FSDataInputStream inputStream = fs.open(testPath)) {
       ((AbfsInputStream) inputStream.getWrappedStream()).registerListener(
           new TracingHeaderValidator(abfsConfiguration.getClientCorrelationId(),
               fs.getFileSystemId(), FSOperationType.READ, true, 0,
@@ -112,7 +113,8 @@ public class ITestAbfsReadWriteAndSeek extends AbstractAbfsScaleTest {
 
     final byte[] b = new byte[bufferSize * 10];
     new Random().nextBytes(b);
-    try (FSDataOutputStream stream = fs.create(TEST_PATH)) {
+    Path testPath = path(TEST_PATH);
+    try (FSDataOutputStream stream = fs.create(testPath)) {
       ((AbfsOutputStream) stream.getWrappedStream()).registerListener(
           new TracingHeaderValidator(abfsConfiguration.getClientCorrelationId(),
               fs.getFileSystemId(), FSOperationType.WRITE, false, 0,
@@ -126,7 +128,7 @@ public class ITestAbfsReadWriteAndSeek extends AbstractAbfsScaleTest {
     fs.registerListener(
         new TracingHeaderValidator(abfsConfiguration.getClientCorrelationId(),
             fs.getFileSystemId(), FSOperationType.OPEN, false, 0));
-    try (FSDataInputStream inputStream = fs.open(TEST_PATH)) {
+    try (FSDataInputStream inputStream = fs.open(testPath)) {
       ((AbfsInputStream) inputStream.getWrappedStream()).registerListener(
           new TracingHeaderValidator(abfsConfiguration.getClientCorrelationId(),
               fs.getFileSystemId(), FSOperationType.READ, false, 0,

hadoop-tools/hadoop-azure/src/test/java/org/apache/hadoop/fs/azurebfs/ITestAbfsStatistics.java

@@ -91,7 +91,7 @@ public class ITestAbfsStatistics extends AbstractAbfsIntegrationTest {
 
     fs.mkdirs(createDirectoryPath);
     fs.createNonRecursive(createFilePath, FsPermission
-        .getDefault(), false, 1024, (short) 1, 1024, null);
+        .getDefault(), false, 1024, (short) 1, 1024, null).close();
 
     Map<String, Long> metricMap = fs.getInstrumentationMap();
     /*
@@ -117,7 +117,7 @@ public class ITestAbfsStatistics extends AbstractAbfsIntegrationTest {
       fs.mkdirs(path(getMethodName() + "Dir" + i));
       fs.createNonRecursive(path(getMethodName() + i),
           FsPermission.getDefault(), false, 1024, (short) 1,
-          1024, null);
+          1024, null).close();
     }
 
     metricMap = fs.getInstrumentationMap();
@@ -160,7 +160,7 @@ public class ITestAbfsStatistics extends AbstractAbfsIntegrationTest {
     files_deleted counters.
      */
     fs.mkdirs(createDirectoryPath);
-    fs.create(path(createDirectoryPath + getMethodName()));
+    fs.create(path(createDirectoryPath + getMethodName())).close();
     fs.delete(createDirectoryPath, true);
 
     Map<String, Long> metricMap = fs.getInstrumentationMap();
@@ -179,7 +179,7 @@ public class ITestAbfsStatistics extends AbstractAbfsIntegrationTest {
     directories_deleted is called or not.
      */
     fs.mkdirs(createDirectoryPath);
-    fs.create(createFilePath);
+    fs.create(createFilePath).close();
     fs.delete(createDirectoryPath, true);
     metricMap = fs.getInstrumentationMap();
 
@@ -199,9 +199,9 @@ public class ITestAbfsStatistics extends AbstractAbfsIntegrationTest {
     Path createFilePath = path(getMethodName());
     Path destCreateFilePath = path(getMethodName() + "New");
 
-    fs.create(createFilePath);
+    fs.create(createFilePath).close();
-    fs.open(createFilePath);
+    fs.open(createFilePath).close();
-    fs.append(createFilePath);
+    fs.append(createFilePath).close();
     assertTrue(fs.rename(createFilePath, destCreateFilePath));
 
     Map<String, Long> metricMap = fs.getInstrumentationMap();
@@ -225,11 +225,11 @@ public class ITestAbfsStatistics extends AbstractAbfsIntegrationTest {
     //re-initialising Abfs to reset statistic values.
     fs.initialize(fs.getUri(), fs.getConf());
 
-    fs.create(destCreateFilePath);
+    fs.create(destCreateFilePath).close();
 
     for (int i = 0; i < NUMBER_OF_OPS; i++) {
       fs.open(destCreateFilePath);
-      fs.append(destCreateFilePath);
+      fs.append(destCreateFilePath).close();
     }
 
     metricMap = fs.getInstrumentationMap();

hadoop-tools/hadoop-azure/src/test/java/org/apache/hadoop/fs/azurebfs/ITestAbfsStreamStatistics.java

@@ -52,8 +52,8 @@ public class ITestAbfsStreamStatistics extends AbstractAbfsIntegrationTest {
         + "Abfs");
 
     final AzureBlobFileSystem fs = getFileSystem();
-    Path smallOperationsFile = new Path("testOneReadWriteOps");
+    Path smallOperationsFile = path("testOneReadWriteOps");
-    Path largeOperationsFile = new Path("testLargeReadWriteOps");
+    Path largeOperationsFile = path("testLargeReadWriteOps");
     FileSystem.Statistics statistics = fs.getFsStatistics();
     String testReadWriteOps = "test this";
     statistics.reset();

hadoop-tools/hadoop-azure/src/test/java/org/apache/hadoop/fs/azurebfs/ITestAzureBlobFileSystemAppend.java

@@ -35,8 +35,8 @@ import org.apache.hadoop.fs.contract.ContractTestUtils;
  */
 public class ITestAzureBlobFileSystemAppend extends
     AbstractAbfsIntegrationTest {
-  private static final Path TEST_FILE_PATH = new Path("testfile");
+  private static final String TEST_FILE_PATH = "testfile";
-  private static final Path TEST_FOLDER_PATH = new Path("testFolder");
+  private static final String TEST_FOLDER_PATH = "testFolder";
 
   public ITestAzureBlobFileSystemAppend() throws Exception {
     super();
@@ -45,15 +45,15 @@ public class ITestAzureBlobFileSystemAppend extends
   @Test(expected = FileNotFoundException.class)
   public void testAppendDirShouldFail() throws Exception {
     final AzureBlobFileSystem fs = getFileSystem();
-    final Path filePath = TEST_FILE_PATH;
+    final Path filePath = path(TEST_FILE_PATH);
     fs.mkdirs(filePath);
-    fs.append(filePath, 0);
+    fs.append(filePath, 0).close();
   }
 
   @Test
   public void testAppendWithLength0() throws Exception {
     final AzureBlobFileSystem fs = getFileSystem();
-    try(FSDataOutputStream stream = fs.create(TEST_FILE_PATH)) {
+    try(FSDataOutputStream stream = fs.create(path(TEST_FILE_PATH))) {
       final byte[] b = new byte[1024];
       new Random().nextBytes(b);
       stream.write(b, 1000, 0);
@@ -65,28 +65,29 @@ public class ITestAzureBlobFileSystemAppend extends
   @Test(expected = FileNotFoundException.class)
   public void testAppendFileAfterDelete() throws Exception {
     final AzureBlobFileSystem fs = getFileSystem();
-    final Path filePath = TEST_FILE_PATH;
+    final Path filePath = path(TEST_FILE_PATH);
     ContractTestUtils.touch(fs, filePath);
     fs.delete(filePath, false);
 
-    fs.append(filePath);
+    fs.append(filePath).close();
   }
 
   @Test(expected = FileNotFoundException.class)
   public void testAppendDirectory() throws Exception {
     final AzureBlobFileSystem fs = getFileSystem();
-    final Path folderPath = TEST_FOLDER_PATH;
+    final Path folderPath = path(TEST_FOLDER_PATH);
     fs.mkdirs(folderPath);
-    fs.append(folderPath);
+    fs.append(folderPath).close();
   }
 
   @Test
   public void testTracingForAppend() throws IOException {
     AzureBlobFileSystem fs = getFileSystem();
-    fs.create(TEST_FILE_PATH);
+    Path testPath = path(TEST_FILE_PATH);
+    fs.create(testPath).close();
     fs.registerListener(new TracingHeaderValidator(
         fs.getAbfsStore().getAbfsConfiguration().getClientCorrelationId(),
         fs.getFileSystemId(), FSOperationType.APPEND, false, 0));
-    fs.append(TEST_FILE_PATH, 10);
+    fs.append(testPath, 10);
   }
 }

hadoop-tools/hadoop-azure/src/test/java/org/apache/hadoop/fs/azurebfs/ITestAzureBlobFileSystemAuthorization.java

@@ -99,7 +99,7 @@ public class ITestAzureBlobFileSystemAuthorization extends AbstractAbfsIntegrati
         this.getConfiguration().getRawConfiguration());
     intercept(SASTokenProviderException.class,
         () -> {
-          testFs.create(new org.apache.hadoop.fs.Path("/testFile"));
+          testFs.create(new org.apache.hadoop.fs.Path("/testFile")).close();
         });
   }
 
@@ -114,7 +114,7 @@ public class ITestAzureBlobFileSystemAuthorization extends AbstractAbfsIntegrati
     testFs.initialize(fs.getUri(), this.getConfiguration().getRawConfiguration());
     intercept(SASTokenProviderException.class,
         ()-> {
-          testFs.create(new org.apache.hadoop.fs.Path("/testFile"));
+          testFs.create(new org.apache.hadoop.fs.Path("/testFile")).close();
         });
   }
 
@@ -297,7 +297,7 @@ public class ITestAzureBlobFileSystemAuthorization extends AbstractAbfsIntegrati
       fs.listStatus(reqPath);
       break;
     case CreatePath:
-      fs.create(reqPath);
+      fs.create(reqPath).close();
       break;
     case RenamePath:
       fs.rename(reqPath,

hadoop-tools/hadoop-azure/src/test/java/org/apache/hadoop/fs/azurebfs/ITestAzureBlobFileSystemBackCompat.java

@@ -50,13 +50,16 @@ public class ITestAzureBlobFileSystemBackCompat extends
     CloudBlobContainer container = blobClient.getContainerReference(this.getFileSystemName());
     container.createIfNotExists();
 
-    CloudBlockBlob blockBlob = container.getBlockBlobReference("test/10/10/10");
+    Path testPath = getUniquePath("test");
+    CloudBlockBlob blockBlob = container
+        .getBlockBlobReference(testPath + "/10/10/10");
     blockBlob.uploadText("");
 
-    blockBlob = container.getBlockBlobReference("test/10/123/3/2/1/3");
+    blockBlob = container.getBlockBlobReference(testPath + "/10/123/3/2/1/3");
     blockBlob.uploadText("");
 
-    FileStatus[] fileStatuses = fs.listStatus(new Path("/test/10/"));
+    FileStatus[] fileStatuses = fs
+        .listStatus(new Path(String.format("/%s/10/", testPath)));
     assertEquals(2, fileStatuses.length);
     assertEquals("10", fileStatuses[0].getPath().getName());
     assertTrue(fileStatuses[0].isDirectory());

hadoop-tools/hadoop-azure/src/test/java/org/apache/hadoop/fs/azurebfs/ITestAzureBlobFileSystemCheckAccess.java

@@ -352,7 +352,8 @@ public class ITestAzureBlobFileSystemCheckAccess
 
   private Path setupTestDirectoryAndUserAccess(String testFileName,
       FsAction fsAction) throws Exception {
-    Path file = new Path(TEST_FOLDER_PATH + testFileName);
+    Path testPath = path(TEST_FOLDER_PATH);
+    Path file = new Path(testPath + testFileName);
     file = this.superUserFs.makeQualified(file);
     this.superUserFs.delete(file, true);
     this.superUserFs.create(file);

hadoop-tools/hadoop-azure/src/test/java/org/apache/hadoop/fs/azurebfs/ITestAzureBlobFileSystemCopy.java

@@ -53,7 +53,7 @@ public class ITestAzureBlobFileSystemCopy extends AbstractAbfsIntegrationTest {
     localFs.delete(localFilePath, true);
     try {
       writeString(localFs, localFilePath, "Testing");
-      Path dstPath = new Path("copiedFromLocal");
+      Path dstPath = path("copiedFromLocal");
       assertTrue(FileUtil.copy(localFs, localFilePath, fs, dstPath, false,
           fs.getConf()));
       assertIsFile(fs, dstPath);

hadoop-tools/hadoop-azure/src/test/java/org/apache/hadoop/fs/azurebfs/ITestAzureBlobFileSystemCreate.java

@@ -69,7 +69,7 @@ import static org.apache.hadoop.fs.azurebfs.AbfsStatistic.CONNECTIONS_MADE;
 public class ITestAzureBlobFileSystemCreate extends
     AbstractAbfsIntegrationTest {
   private static final Path TEST_FILE_PATH = new Path("testfile");
-  private static final Path TEST_FOLDER_PATH = new Path("testFolder");
+  private static final String TEST_FOLDER_PATH = "testFolder";
   private static final String TEST_CHILD_FILE = "childFile";
 
   public ITestAzureBlobFileSystemCreate() throws Exception {
@@ -92,7 +92,8 @@ public class ITestAzureBlobFileSystemCreate extends
   @SuppressWarnings("deprecation")
   public void testCreateNonRecursive() throws Exception {
     final AzureBlobFileSystem fs = getFileSystem();
-    Path testFile = new Path(TEST_FOLDER_PATH, TEST_CHILD_FILE);
+    Path testFolderPath = path(TEST_FOLDER_PATH);
+    Path testFile = new Path(testFolderPath, TEST_CHILD_FILE);
     try {
       fs.createNonRecursive(testFile, true, 1024, (short) 1, 1024, null);
       fail("Should've thrown");
@@ -101,7 +102,7 @@ public class ITestAzureBlobFileSystemCreate extends
     fs.registerListener(new TracingHeaderValidator(
         fs.getAbfsStore().getAbfsConfiguration().getClientCorrelationId(),
         fs.getFileSystemId(), FSOperationType.MKDIR, false, 0));
-    fs.mkdirs(TEST_FOLDER_PATH);
+    fs.mkdirs(testFolderPath);
     fs.registerListener(null);
 
     fs.createNonRecursive(testFile, true, 1024, (short) 1, 1024, null)
@@ -113,13 +114,14 @@ public class ITestAzureBlobFileSystemCreate extends
   @SuppressWarnings("deprecation")
   public void testCreateNonRecursive1() throws Exception {
     final AzureBlobFileSystem fs = getFileSystem();
-    Path testFile = new Path(TEST_FOLDER_PATH, TEST_CHILD_FILE);
+    Path testFolderPath = path(TEST_FOLDER_PATH);
+    Path testFile = new Path(testFolderPath, TEST_CHILD_FILE);
     try {
       fs.createNonRecursive(testFile, FsPermission.getDefault(), EnumSet.of(CreateFlag.CREATE, CreateFlag.OVERWRITE), 1024, (short) 1, 1024, null);
       fail("Should've thrown");
     } catch (FileNotFoundException expected) {
     }
-    fs.mkdirs(TEST_FOLDER_PATH);
+    fs.mkdirs(testFolderPath);
     fs.createNonRecursive(testFile, true, 1024, (short) 1, 1024, null)
         .close();
     assertIsFile(fs, testFile);
@@ -131,13 +133,14 @@ public class ITestAzureBlobFileSystemCreate extends
   public void testCreateNonRecursive2() throws Exception {
     final AzureBlobFileSystem fs = getFileSystem();
 
-    Path testFile = new Path(TEST_FOLDER_PATH, TEST_CHILD_FILE);
+    Path testFolderPath = path(TEST_FOLDER_PATH);
+    Path testFile = new Path(testFolderPath, TEST_CHILD_FILE);
     try {
       fs.createNonRecursive(testFile, FsPermission.getDefault(), false, 1024, (short) 1, 1024, null);
       fail("Should've thrown");
     } catch (FileNotFoundException e) {
     }
-    fs.mkdirs(TEST_FOLDER_PATH);
+    fs.mkdirs(testFolderPath);
     fs.createNonRecursive(testFile, true, 1024, (short) 1, 1024, null)
         .close();
     assertIsFile(fs, testFile);
@@ -149,7 +152,8 @@ public class ITestAzureBlobFileSystemCreate extends
   @Test
   public void testWriteAfterClose() throws Throwable {
     final AzureBlobFileSystem fs = getFileSystem();
-    Path testPath = new Path(TEST_FOLDER_PATH, TEST_CHILD_FILE);
+    Path testFolderPath = path(TEST_FOLDER_PATH);
+    Path testPath = new Path(testFolderPath, TEST_CHILD_FILE);
     FSDataOutputStream out = fs.create(testPath);
     out.close();
     intercept(IOException.class, () -> out.write('a'));
@@ -169,7 +173,8 @@ public class ITestAzureBlobFileSystemCreate extends
   @Test
   public void testTryWithResources() throws Throwable {
     final AzureBlobFileSystem fs = getFileSystem();
-    Path testPath = new Path(TEST_FOLDER_PATH, TEST_CHILD_FILE);
+    Path testFolderPath = path(TEST_FOLDER_PATH);
+    Path testPath = new Path(testFolderPath, TEST_CHILD_FILE);
     try (FSDataOutputStream out = fs.create(testPath)) {
       out.write('1');
       out.hsync();
@@ -202,7 +207,8 @@ public class ITestAzureBlobFileSystemCreate extends
   @Test
   public void testFilterFSWriteAfterClose() throws Throwable {
     final AzureBlobFileSystem fs = getFileSystem();
-    Path testPath = new Path(TEST_FOLDER_PATH, TEST_CHILD_FILE);
+    Path testFolderPath = path(TEST_FOLDER_PATH);
+    Path testPath = new Path(testFolderPath, TEST_CHILD_FILE);
     FSDataOutputStream out = fs.create(testPath);
     intercept(FileNotFoundException.class,
         () -> {

hadoop-tools/hadoop-azure/src/test/java/org/apache/hadoop/fs/azurebfs/ITestAzureBlobFileSystemDelegationSAS.java

@@ -53,6 +53,8 @@ import org.apache.hadoop.security.AccessControlException;
 import static org.apache.hadoop.fs.azurebfs.constants.ConfigurationKeys.FS_AZURE_SAS_TOKEN_PROVIDER_TYPE;
 import static org.apache.hadoop.fs.azurebfs.contracts.services.AzureServiceErrorCode.AUTHORIZATION_PERMISSION_MISS_MATCH;
 import static org.apache.hadoop.fs.azurebfs.utils.AclTestHelpers.aclEntry;
+import static org.apache.hadoop.fs.contract.ContractTestUtils.assertPathDoesNotExist;
+import static org.apache.hadoop.fs.contract.ContractTestUtils.assertPathExists;
 import static org.apache.hadoop.fs.permission.AclEntryScope.ACCESS;
 import static org.apache.hadoop.fs.permission.AclEntryScope.DEFAULT;
 import static org.apache.hadoop.fs.permission.AclEntryType.GROUP;
@@ -223,15 +225,15 @@ public class ITestAzureBlobFileSystemDelegationSAS extends AbstractAbfsIntegrati
       stream.writeBytes("hello");
     }
 
-    assertFalse(fs.exists(destinationPath));
+    assertPathDoesNotExist(fs, "This path should not exist", destinationPath);
     fs.rename(sourcePath, destinationPath);
-    assertFalse(fs.exists(sourcePath));
+    assertPathDoesNotExist(fs, "This path should not exist", sourcePath);
-    assertTrue(fs.exists(destinationPath));
+    assertPathExists(fs, "This path should exist", destinationPath);
 
-    assertFalse(fs.exists(destinationDir));
+    assertPathDoesNotExist(fs, "This path should not exist", destinationDir);
     fs.rename(sourceDir, destinationDir);
-    assertFalse(fs.exists(sourceDir));
+    assertPathDoesNotExist(fs, "This path should not exist", sourceDir);
-    assertTrue(fs.exists(destinationDir));
+    assertPathExists(fs, "This path should exist", destinationDir);
   }
 
   @Test
@@ -246,13 +248,13 @@ public class ITestAzureBlobFileSystemDelegationSAS extends AbstractAbfsIntegrati
       stream.writeBytes("hello");
     }
 
-    assertTrue(fs.exists(filePath));
+    assertPathExists(fs, "This path should exist", filePath);
     fs.delete(filePath, false);
-    assertFalse(fs.exists(filePath));
+    assertPathDoesNotExist(fs, "This path should not exist", filePath);
 
-    assertTrue(fs.exists(dirPath));
+    assertPathExists(fs, "This path should exist", dirPath);
     fs.delete(dirPath, false);
-    assertFalse(fs.exists(dirPath));
+    assertPathDoesNotExist(fs, "This path should not exist", dirPath);
   }
 
   @Test
@@ -267,11 +269,11 @@ public class ITestAzureBlobFileSystemDelegationSAS extends AbstractAbfsIntegrati
       stream.writeBytes("hello");
     }
 
-    assertTrue(fs.exists(dirPath));
+    assertPathExists(fs, "This path should exist", dirPath);
-    assertTrue(fs.exists(filePath));
+    assertPathExists(fs, "This path should exist", filePath);
     fs.delete(dirPath, true);
-    assertFalse(fs.exists(filePath));
+    assertPathDoesNotExist(fs, "This path should not exist", filePath);
-    assertFalse(fs.exists(dirPath));
+    assertPathDoesNotExist(fs, "This path should not exist", dirPath);
   }
 
   @Test
@@ -395,8 +397,8 @@ public class ITestAzureBlobFileSystemDelegationSAS extends AbstractAbfsIntegrati
   @Test
   public void testSignatureMask() throws Exception {
     final AzureBlobFileSystem fs = getFileSystem();
-    String src = "/testABC/test.xt";
+    String src = String.format("/testABC/test%s.xt", UUID.randomUUID());
-    fs.create(new Path(src));
+    fs.create(new Path(src)).close();
     AbfsRestOperation abfsHttpRestOperation = fs.getAbfsClient()
         .renamePath(src, "/testABC" + "/abc.txt", null,
             getTestTracingContext(fs, false));

hadoop-tools/hadoop-azure/src/test/java/org/apache/hadoop/fs/azurebfs/ITestAzureBlobFileSystemDelete.java

@@ -79,12 +79,13 @@ public class ITestAzureBlobFileSystemDelete extends
   public void testDeleteRoot() throws Exception {
     final AzureBlobFileSystem fs = getFileSystem();
 
-    fs.mkdirs(new Path("/testFolder0"));
+    Path testPath = path("/testFolder");
-    fs.mkdirs(new Path("/testFolder1"));
+    fs.mkdirs(new Path(testPath + "_0"));
-    fs.mkdirs(new Path("/testFolder2"));
+    fs.mkdirs(new Path(testPath + "_1"));
-    touch(new Path("/testFolder1/testfile"));
+    fs.mkdirs(new Path(testPath + "_2"));
-    touch(new Path("/testFolder1/testfile2"));
+    touch(new Path(testPath + "_1/testfile"));
-    touch(new Path("/testFolder1/testfile3"));
+    touch(new Path(testPath + "_1/testfile2"));
+    touch(new Path(testPath + "_1/testfile3"));
 
     Path root = new Path("/");
     FileStatus[] ls = fs.listStatus(root);
@@ -98,7 +99,7 @@ public class ITestAzureBlobFileSystemDelete extends
   @Test()
   public void testOpenFileAfterDelete() throws Exception {
     final AzureBlobFileSystem fs = getFileSystem();
-    Path testfile = new Path("/testFile");
+    Path testfile = path("/testFile");
     touch(testfile);
     assertDeleted(fs, testfile, false);
 
@@ -109,7 +110,7 @@ public class ITestAzureBlobFileSystemDelete extends
   @Test
   public void testEnsureFileIsDeleted() throws Exception {
     final AzureBlobFileSystem fs = getFileSystem();
-    Path testfile = new Path("testfile");
+    Path testfile = path("testfile");
     touch(testfile);
     assertDeleted(fs, testfile, false);
     assertPathDoesNotExist(fs, "deleted", testfile);
@@ -118,10 +119,10 @@ public class ITestAzureBlobFileSystemDelete extends
   @Test
   public void testDeleteDirectory() throws Exception {
     final AzureBlobFileSystem fs = getFileSystem();
-    Path dir = new Path("testfile");
+    Path dir = path("testfile");
     fs.mkdirs(dir);
-    fs.mkdirs(new Path("testfile/test1"));
+    fs.mkdirs(new Path(dir + "/test1"));
-    fs.mkdirs(new Path("testfile/test1/test2"));
+    fs.mkdirs(new Path(dir + "/test1/test2"));
 
     assertDeleted(fs, dir, true);
     assertPathDoesNotExist(fs, "deleted", dir);
@@ -133,8 +134,9 @@ public class ITestAzureBlobFileSystemDelete extends
     final List<Future<Void>> tasks = new ArrayList<>();
 
     ExecutorService es = Executors.newFixedThreadPool(10);
+    Path dir = path("/test");
     for (int i = 0; i < 1000; i++) {
-      final Path fileName = new Path("/test/" + i);
+      final Path fileName = new Path(dir + "/" + i);
       Callable<Void> callable = new Callable<Void>() {
         @Override
         public Void call() throws Exception {
@@ -151,7 +153,6 @@ public class ITestAzureBlobFileSystemDelete extends
     }
 
     es.shutdownNow();
-    Path dir = new Path("/test");
     fs.registerListener(new TracingHeaderValidator(
         fs.getAbfsStore().getAbfsConfiguration().getClientCorrelationId(),
         fs.getFileSystemId(), FSOperationType.DELETE, false, 0));

hadoop-tools/hadoop-azure/src/test/java/org/apache/hadoop/fs/azurebfs/ITestAzureBlobFileSystemE2E.java

@@ -33,6 +33,8 @@ import org.apache.hadoop.fs.Path;
 import org.apache.hadoop.fs.azurebfs.constants.ConfigurationKeys;
 
 import static org.apache.hadoop.fs.azurebfs.constants.ConfigurationKeys.AZURE_TOLERATE_CONCURRENT_APPEND;
+import static org.apache.hadoop.fs.contract.ContractTestUtils.assertPathDoesNotExist;
+import static org.apache.hadoop.fs.contract.ContractTestUtils.assertPathExists;
 import static org.apache.hadoop.test.LambdaTestUtils.intercept;
 
 /**
@@ -52,14 +54,14 @@ public class ITestAzureBlobFileSystemE2E extends AbstractAbfsIntegrationTest {
 
   @Test
   public void testWriteOneByteToFile() throws Exception {
-    final Path testFilePath = new Path(methodName.getMethodName());
+    final Path testFilePath = path(methodName.getMethodName());
     testWriteOneByteToFile(testFilePath);
   }
 
   @Test
   public void testReadWriteBytesToFile() throws Exception {
     final AzureBlobFileSystem fs = getFileSystem();
-    final Path testFilePath = new Path(methodName.getMethodName());
+    final Path testFilePath = path(methodName.getMethodName());
     testWriteOneByteToFile(testFilePath);
     try(FSDataInputStream inputStream = fs.open(testFilePath,
         TEST_DEFAULT_BUFFER_SIZE)) {
@@ -78,7 +80,7 @@ public class ITestAzureBlobFileSystemE2E extends AbstractAbfsIntegrationTest {
     final byte[] b = new byte[2 * readBufferSize];
     new Random().nextBytes(b);
 
-    final Path testFilePath = new Path(methodName.getMethodName());
+    final Path testFilePath = path(methodName.getMethodName());
     try(FSDataOutputStream writeStream = fs.create(testFilePath)) {
       writeStream.write(b);
       writeStream.flush();
@@ -107,7 +109,7 @@ public class ITestAzureBlobFileSystemE2E extends AbstractAbfsIntegrationTest {
     byte[] bytesToRead = new byte[readBufferSize];
     final byte[] b = new byte[2 * readBufferSize];
     new Random().nextBytes(b);
-    final Path testFilePath = new Path(methodName.getMethodName());
+    final Path testFilePath = path(methodName.getMethodName());
 
     try (FSDataOutputStream writeStream = fs.create(testFilePath)) {
       writeStream.write(b);
@@ -130,7 +132,7 @@ public class ITestAzureBlobFileSystemE2E extends AbstractAbfsIntegrationTest {
   @Test
   public void testWriteWithBufferOffset() throws Exception {
     final AzureBlobFileSystem fs = getFileSystem();
-    final Path testFilePath = new Path(methodName.getMethodName());
+    final Path testFilePath = path(methodName.getMethodName());
 
     final byte[] b = new byte[1024 * 1000];
     new Random().nextBytes(b);
@@ -151,7 +153,7 @@ public class ITestAzureBlobFileSystemE2E extends AbstractAbfsIntegrationTest {
   @Test
   public void testReadWriteHeavyBytesToFileWithSmallerChunks() throws Exception {
     final AzureBlobFileSystem fs = getFileSystem();
-    final Path testFilePath = new Path(methodName.getMethodName());
+    final Path testFilePath = path(methodName.getMethodName());
 
     final byte[] writeBuffer = new byte[5 * 1000 * 1024];
     new Random().nextBytes(writeBuffer);
@@ -171,50 +173,51 @@ public class ITestAzureBlobFileSystemE2E extends AbstractAbfsIntegrationTest {
   @Test
   public void testReadWithFileNotFoundException() throws Exception {
     final AzureBlobFileSystem fs = getFileSystem();
-    final Path testFilePath = new Path(methodName.getMethodName());
+    final Path testFilePath = path(methodName.getMethodName());
     testWriteOneByteToFile(testFilePath);
 
-    FSDataInputStream inputStream = fs.open(testFilePath, TEST_DEFAULT_BUFFER_SIZE);
+    try (FSDataInputStream inputStream = fs.open(testFilePath,
-    fs.delete(testFilePath, true);
+        TEST_DEFAULT_BUFFER_SIZE)) {
-    assertFalse(fs.exists(testFilePath));
+      fs.delete(testFilePath, true);
+      assertPathDoesNotExist(fs, "This path should not exist", testFilePath);
 
-    intercept(FileNotFoundException.class,
+      intercept(FileNotFoundException.class, () -> inputStream.read(new byte[1]));
-            () -> inputStream.read(new byte[1]));
+    }
   }
 
   @Test
   public void testWriteWithFileNotFoundException() throws Exception {
     final AzureBlobFileSystem fs = getFileSystem();
-    final Path testFilePath = new Path(methodName.getMethodName());
+    final Path testFilePath = path(methodName.getMethodName());
 
-    FSDataOutputStream stream = fs.create(testFilePath);
+    try (FSDataOutputStream stream = fs.create(testFilePath)) {
-    assertTrue(fs.exists(testFilePath));
+      assertPathExists(fs, "Path should exist", testFilePath);
-    stream.write(TEST_BYTE);
+      stream.write(TEST_BYTE);
 
-    fs.delete(testFilePath, true);
+      fs.delete(testFilePath, true);
-    assertFalse(fs.exists(testFilePath));
+      assertPathDoesNotExist(fs, "This path should not exist", testFilePath);
 
-    // trigger append call
+      // trigger append call
-    intercept(FileNotFoundException.class,
+      intercept(FileNotFoundException.class, () -> stream.close());
-            () -> stream.close());
+    }
   }
 
   @Test
   public void testFlushWithFileNotFoundException() throws Exception {
     final AzureBlobFileSystem fs = getFileSystem();
-    final Path testFilePath = new Path(methodName.getMethodName());
+    final Path testFilePath = path(methodName.getMethodName());
     if (fs.getAbfsStore().isAppendBlobKey(fs.makeQualified(testFilePath).toString())) {
       return;
     }
 
-    FSDataOutputStream stream = fs.create(testFilePath);
+    try (FSDataOutputStream stream = fs.create(testFilePath)) {
-    assertTrue(fs.exists(testFilePath));
+      assertPathExists(fs, "This path should exist", testFilePath);
 
-    fs.delete(testFilePath, true);
+      fs.delete(testFilePath, true);
-    assertFalse(fs.exists(testFilePath));
+      assertPathDoesNotExist(fs, "This path should not exist", testFilePath);
 
-    intercept(FileNotFoundException.class,
+      intercept(FileNotFoundException.class, () -> stream.close());
-            () -> stream.close());
+    }
   }
 
   private void testWriteOneByteToFile(Path testFilePath) throws Exception {

hadoop-tools/hadoop-azure/src/test/java/org/apache/hadoop/fs/azurebfs/ITestAzureBlobFileSystemFileStatus.java

@@ -27,6 +27,8 @@ import org.apache.hadoop.fs.FileStatus;
 import org.apache.hadoop.fs.Path;
 import org.apache.hadoop.fs.permission.FsPermission;
 
+import static org.apache.hadoop.fs.contract.ContractTestUtils.assertPathExists;
+
 /**
  * Test FileStatus.
  */
@@ -37,8 +39,8 @@ public class ITestAzureBlobFileSystemFileStatus extends
   private static final String DEFAULT_UMASK_VALUE = "027";
   private static final String FULL_PERMISSION = "777";
 
-  private static final Path TEST_FILE = new Path("testFile");
+  private static final String TEST_FILE = "testFile";
-  private static final Path TEST_FOLDER = new Path("testDir");
+  private static final String TEST_FOLDER = "testDir";
 
   public ITestAzureBlobFileSystemFileStatus() throws Exception {
     super();
@@ -57,8 +59,9 @@ public class ITestAzureBlobFileSystemFileStatus extends
   public void testFileStatusPermissionsAndOwnerAndGroup() throws Exception {
     final AzureBlobFileSystem fs = this.getFileSystem();
     fs.getConf().set(CommonConfigurationKeys.FS_PERMISSIONS_UMASK_KEY, DEFAULT_UMASK_VALUE);
-    touch(TEST_FILE);
+    Path testFile = path(TEST_FILE);
-    validateStatus(fs, TEST_FILE, false);
+    touch(testFile);
+    validateStatus(fs, testFile, false);
   }
 
   private FileStatus validateStatus(final AzureBlobFileSystem fs, final Path name, final boolean isDir)
@@ -93,9 +96,10 @@ public class ITestAzureBlobFileSystemFileStatus extends
   public void testFolderStatusPermissionsAndOwnerAndGroup() throws Exception {
     final AzureBlobFileSystem fs = this.getFileSystem();
     fs.getConf().set(CommonConfigurationKeys.FS_PERMISSIONS_UMASK_KEY, DEFAULT_UMASK_VALUE);
-    fs.mkdirs(TEST_FOLDER);
+    Path testFolder = path(TEST_FOLDER);
+    fs.mkdirs(testFolder);
 
-    validateStatus(fs, TEST_FOLDER, true);
+    validateStatus(fs, testFolder, true);
   }
 
   @Test
@@ -108,11 +112,11 @@ public class ITestAzureBlobFileSystemFileStatus extends
     Path pathwithouthost2 = new Path("/abfs/file2.txt");
 
     // verify compatibility of this path format
-    fs.create(pathWithHost1);
+    fs.create(pathWithHost1).close();
-    assertTrue(fs.exists(pathwithouthost1));
+    assertPathExists(fs, "This path should exist", pathwithouthost1);
 
-    fs.create(pathwithouthost2);
+    fs.create(pathwithouthost2).close();
-    assertTrue(fs.exists(pathWithHost2));
+    assertPathExists(fs, "This path should exist", pathWithHost2);
 
     // verify get
     FileStatus fileStatus1 = fs.getFileStatus(pathWithHost1);
@@ -125,13 +129,13 @@ public class ITestAzureBlobFileSystemFileStatus extends
   @Test
   public void testLastModifiedTime() throws IOException {
     AzureBlobFileSystem fs = this.getFileSystem();
-    Path testFilePath = new Path("childfile1.txt");
+    Path testFilePath = path("childfile1.txt");
     long createStartTime = System.currentTimeMillis();
     long minCreateStartTime = (createStartTime / 1000) * 1000 - 1;
     //  Dividing and multiplying by 1000 to make last 3 digits 0.
     //  It is observed that modification time is returned with last 3
     //  digits 0 always.
-    fs.create(testFilePath);
+    fs.create(testFilePath).close();
     long createEndTime = System.currentTimeMillis();
     FileStatus fStat = fs.getFileStatus(testFilePath);
     long lastModifiedTime = fStat.getModificationTime();

hadoop-tools/hadoop-azure/src/test/java/org/apache/hadoop/fs/azurebfs/ITestAzureBlobFileSystemFlush.java

@@ -316,14 +316,13 @@ public class ITestAzureBlobFileSystemFlush extends AbstractAbfsScaleTest {
 
     byte[] buf = new byte[10];
     new Random().nextBytes(buf);
-    FSDataOutputStream out = fs.create(new Path("/testFile"));
+    try (FSDataOutputStream out = fs.create(new Path("/testFile"))) {
-    ((AbfsOutputStream) out.getWrappedStream()).registerListener(
+      ((AbfsOutputStream) out.getWrappedStream()).registerListener(new TracingHeaderValidator(
-        new TracingHeaderValidator(
+          fs.getAbfsStore().getAbfsConfiguration().getClientCorrelationId(), fs.getFileSystemId(), FSOperationType.WRITE, false, 0,
-            fs.getAbfsStore().getAbfsConfiguration().getClientCorrelationId(),
+          ((AbfsOutputStream) out.getWrappedStream()).getStreamID()));
-            fs.getFileSystemId(), FSOperationType.WRITE, false, 0,
+      out.write(buf);
-            ((AbfsOutputStream) out.getWrappedStream()).getStreamID()));
+      out.hsync();
-    out.write(buf);
+    }
-    out.hsync();
   }
 
   @Test

hadoop-tools/hadoop-azure/src/test/java/org/apache/hadoop/fs/azurebfs/ITestAzureBlobFileSystemListStatus.java

@@ -99,7 +99,7 @@ public class ITestAzureBlobFileSystemListStatus extends
   @Test
   public void testListFileVsListDir() throws Exception {
     final AzureBlobFileSystem fs = getFileSystem();
-    Path path = new Path("/testFile");
+    Path path = path("/testFile");
     try(FSDataOutputStream ignored = fs.create(path)) {
       FileStatus[] testFiles = fs.listStatus(path);
       assertEquals("length of test files", 1, testFiles.length);
@@ -111,19 +111,20 @@ public class ITestAzureBlobFileSystemListStatus extends
   @Test
   public void testListFileVsListDir2() throws Exception {
     final AzureBlobFileSystem fs = getFileSystem();
-    fs.mkdirs(new Path("/testFolder"));
+    Path testFolder = path("/testFolder");
-    fs.mkdirs(new Path("/testFolder/testFolder2"));
+    fs.mkdirs(testFolder);
-    fs.mkdirs(new Path("/testFolder/testFolder2/testFolder3"));
+    fs.mkdirs(new Path(testFolder + "/testFolder2"));
-    Path testFile0Path = new Path("/testFolder/testFolder2/testFolder3/testFile");
+    fs.mkdirs(new Path(testFolder + "/testFolder2/testFolder3"));
+    Path testFile0Path = new Path(
+        testFolder + "/testFolder2/testFolder3/testFile");
     ContractTestUtils.touch(fs, testFile0Path);
 
     FileStatus[] testFiles = fs.listStatus(testFile0Path);
     assertEquals("Wrong listing size of file " + testFile0Path,
         1, testFiles.length);
     FileStatus file0 = testFiles[0];
-    assertEquals("Wrong path for " + file0,
+    assertEquals("Wrong path for " + file0, new Path(getTestUrl(),
-        new Path(getTestUrl(), "/testFolder/testFolder2/testFolder3/testFile"),
+        testFolder + "/testFolder2/testFolder3/testFile"), file0.getPath());
-        file0.getPath());
     assertIsFileReference(file0);
   }
 
@@ -136,18 +137,18 @@ public class ITestAzureBlobFileSystemListStatus extends
   @Test
   public void testListFiles() throws Exception {
     final AzureBlobFileSystem fs = getFileSystem();
-    Path testDir = new Path("/test");
+    Path testDir = path("/test");
     fs.mkdirs(testDir);
 
     FileStatus[] fileStatuses = fs.listStatus(new Path("/"));
     assertEquals(1, fileStatuses.length);
 
-    fs.mkdirs(new Path("/test/sub"));
+    fs.mkdirs(new Path(testDir + "/sub"));
     fileStatuses = fs.listStatus(testDir);
     assertEquals(1, fileStatuses.length);
     assertEquals("sub", fileStatuses[0].getPath().getName());
     assertIsDirectoryReference(fileStatuses[0]);
-    Path childF = fs.makeQualified(new Path("/test/f"));
+    Path childF = fs.makeQualified(new Path(testDir + "/f"));
     touch(childF);
     fileStatuses = fs.listStatus(testDir);
     assertEquals(2, fileStatuses.length);
@@ -193,7 +194,7 @@ public class ITestAzureBlobFileSystemListStatus extends
     final AzureBlobFileSystem fs = getFileSystem();
 
     Path nontrailingPeriodDir = path("testTrailingDir/dir");
-    Path trailingPeriodDir = path("testTrailingDir/dir.");
+    Path trailingPeriodDir = new Path("testMkdirTrailingDir/dir.");
 
     assertMkdirs(fs, nontrailingPeriodDir);
 
@@ -212,8 +213,8 @@ public class ITestAzureBlobFileSystemListStatus extends
     boolean exceptionThrown = false;
     final AzureBlobFileSystem fs = getFileSystem();
 
-    Path trailingPeriodFile = path("testTrailingDir/file.");
+    Path trailingPeriodFile = new Path("testTrailingDir/file.");
-    Path nontrailingPeriodFile = path("testTrailingDir/file");
+    Path nontrailingPeriodFile = path("testCreateTrailingDir/file");
 
     createFile(fs, nontrailingPeriodFile, false, new byte[0]);
     assertPathExists(fs, "Trailing period file does not exist",
@@ -235,7 +236,7 @@ public class ITestAzureBlobFileSystemListStatus extends
     final AzureBlobFileSystem fs = getFileSystem();
 
     Path nonTrailingPeriodFile = path("testTrailingDir/file");
-    Path trailingPeriodFile = path("testTrailingDir/file.");
+    Path trailingPeriodFile = new Path("testRenameTrailingDir/file.");
 
     createFile(fs, nonTrailingPeriodFile, false, new byte[0]);
     try {

hadoop-tools/hadoop-azure/src/test/java/org/apache/hadoop/fs/azurebfs/ITestAzureBlobFileSystemMkDir.java

@@ -49,7 +49,7 @@ public class ITestAzureBlobFileSystemMkDir extends AbstractAbfsIntegrationTest {
         DEFAULT_FS_AZURE_ENABLE_MKDIR_OVERWRITE || !getIsNamespaceEnabled(
             getFileSystem()));
     final AzureBlobFileSystem fs = getFileSystem();
-    Path path = new Path("testFolder");
+    Path path = path("testFolder");
     assertMkdirs(fs, path);
     assertMkdirs(fs, path);
   }
@@ -64,7 +64,7 @@ public class ITestAzureBlobFileSystemMkDir extends AbstractAbfsIntegrationTest {
     Configuration config = new Configuration(this.getRawConfiguration());
     config.set(FS_AZURE_ENABLE_MKDIR_OVERWRITE, Boolean.toString(false));
     AzureBlobFileSystem fs = getFileSystem(config);
-    Path path = new Path("testFolder");
+    Path path = path("testFolder");
     assertMkdirs(fs, path); //checks that mkdirs returns true
     long timeCreated = fs.getFileStatus(path).getModificationTime();
     assertMkdirs(fs, path); //call to existing dir should return success
@@ -78,8 +78,8 @@ public class ITestAzureBlobFileSystemMkDir extends AbstractAbfsIntegrationTest {
         DEFAULT_FS_AZURE_ENABLE_MKDIR_OVERWRITE && getIsNamespaceEnabled(
             getFileSystem()));
     final AzureBlobFileSystem fs = getFileSystem();
-    Path path = new Path("testFilePath");
+    Path path = path("testFilePath");
-    fs.create(path);
+    fs.create(path).close();
     assertTrue(fs.getFileStatus(path).isFile());
     intercept(FileAlreadyExistsException.class, () -> fs.mkdirs(path));
   }

hadoop-tools/hadoop-azure/src/test/java/org/apache/hadoop/fs/azurebfs/ITestAzureBlobFileSystemOauth.java

@@ -45,6 +45,8 @@ import static org.apache.hadoop.fs.azurebfs.constants.TestConfigurationKeys.FS_A
 import static org.apache.hadoop.fs.azurebfs.constants.TestConfigurationKeys.FS_AZURE_BLOB_DATA_CONTRIBUTOR_CLIENT_SECRET;
 import static org.apache.hadoop.fs.azurebfs.constants.TestConfigurationKeys.FS_AZURE_BLOB_DATA_READER_CLIENT_ID;
 import static org.apache.hadoop.fs.azurebfs.constants.TestConfigurationKeys.FS_AZURE_BLOB_DATA_READER_CLIENT_SECRET;
+import static org.apache.hadoop.fs.contract.ContractTestUtils.assertPathDoesNotExist;
+import static org.apache.hadoop.fs.contract.ContractTestUtils.assertPathExists;
 
 /**
  * Test Azure Oauth with Blob Data contributor role and Blob Data Reader role.
@@ -54,8 +56,8 @@ import static org.apache.hadoop.fs.azurebfs.constants.TestConfigurationKeys.FS_A
 public class ITestAzureBlobFileSystemOauth extends AbstractAbfsIntegrationTest{
 
   private static final Path FILE_PATH = new Path("/testFile");
-  private static final Path EXISTED_FILE_PATH = new Path("/existedFile");
+  private static final String EXISTED_FILE_PATH = "/existedFile";
-  private static final Path EXISTED_FOLDER_PATH = new Path("/existedFolder");
+  private static final String EXISTED_FOLDER_PATH = "/existedFolder";
   private static final Logger LOG =
       LoggerFactory.getLogger(ITestAbfsStreamStatistics.class);
 
@@ -72,7 +74,9 @@ public class ITestAzureBlobFileSystemOauth extends AbstractAbfsIntegrationTest{
     String secret = this.getConfiguration().get(TestConfigurationKeys.FS_AZURE_BLOB_DATA_CONTRIBUTOR_CLIENT_SECRET);
     Assume.assumeTrue("Contributor client secret not provided", secret != null);
 
-    prepareFiles();
+    Path existedFilePath = path(EXISTED_FILE_PATH);
+    Path existedFolderPath = path(EXISTED_FOLDER_PATH);
+    prepareFiles(existedFilePath, existedFolderPath);
 
     final AzureBlobFileSystem fs = getBlobConributor();
 
@@ -80,39 +84,39 @@ public class ITestAzureBlobFileSystemOauth extends AbstractAbfsIntegrationTest{
     try(FSDataOutputStream stream = fs.create(FILE_PATH)) {
       stream.write(0);
     }
-    assertTrue(fs.exists(FILE_PATH));
+    assertPathExists(fs, "This path should exist", FILE_PATH);
     FileStatus fileStatus = fs.getFileStatus(FILE_PATH);
     assertEquals(1, fileStatus.getLen());
     // delete file
     assertTrue(fs.delete(FILE_PATH, true));
-    assertFalse(fs.exists(FILE_PATH));
+    assertPathDoesNotExist(fs, "This path should not exist", FILE_PATH);
 
     // Verify Blob Data Contributor has full access to existed folder, file
 
     // READ FOLDER
-    assertTrue(fs.exists(EXISTED_FOLDER_PATH));
+    assertPathExists(fs, "This path should exist", existedFolderPath);
 
     //DELETE FOLDER
-    fs.delete(EXISTED_FOLDER_PATH, true);
+    fs.delete(existedFolderPath, true);
-    assertFalse(fs.exists(EXISTED_FOLDER_PATH));
+    assertPathDoesNotExist(fs, "This path should not exist", existedFolderPath);
 
     // READ FILE
-    try (FSDataInputStream stream = fs.open(EXISTED_FILE_PATH)) {
+    try (FSDataInputStream stream = fs.open(existedFilePath)) {
       assertTrue(stream.read() != 0);
     }
 
-    assertEquals(0, fs.getFileStatus(EXISTED_FILE_PATH).getLen());
+    assertEquals(0, fs.getFileStatus(existedFilePath).getLen());
 
     // WRITE FILE
-    try (FSDataOutputStream stream = fs.append(EXISTED_FILE_PATH)) {
+    try (FSDataOutputStream stream = fs.append(existedFilePath)) {
       stream.write(0);
     }
 
-    assertEquals(1, fs.getFileStatus(EXISTED_FILE_PATH).getLen());
+    assertEquals(1, fs.getFileStatus(existedFilePath).getLen());
 
     // REMOVE FILE
-    fs.delete(EXISTED_FILE_PATH, true);
+    fs.delete(existedFilePath, true);
-    assertFalse(fs.exists(EXISTED_FILE_PATH));
+    assertPathDoesNotExist(fs, "This path should not exist", existedFilePath);
   }
 
   /*
@@ -125,7 +129,9 @@ public class ITestAzureBlobFileSystemOauth extends AbstractAbfsIntegrationTest{
     String secret = this.getConfiguration().get(TestConfigurationKeys.FS_AZURE_BLOB_DATA_READER_CLIENT_SECRET);
     Assume.assumeTrue("Reader client secret not provided", secret != null);
 
-    prepareFiles();
+    Path existedFilePath = path(EXISTED_FILE_PATH);
+    Path existedFolderPath = path(EXISTED_FOLDER_PATH);
+    prepareFiles(existedFilePath, existedFolderPath);
     final AzureBlobFileSystem fs = getBlobReader();
 
     // Use abfsStore in this test to verify the  ERROR code in AbfsRestOperationException
@@ -134,25 +140,25 @@ public class ITestAzureBlobFileSystemOauth extends AbstractAbfsIntegrationTest{
     // TEST READ FS
     Map<String, String> properties = abfsStore.getFilesystemProperties(tracingContext);
     // TEST READ FOLDER
-    assertTrue(fs.exists(EXISTED_FOLDER_PATH));
+    assertPathExists(fs, "This path should exist", existedFolderPath);
 
     // TEST DELETE FOLDER
     try {
-      abfsStore.delete(EXISTED_FOLDER_PATH, true, tracingContext);
+      abfsStore.delete(existedFolderPath, true, tracingContext);
     } catch (AbfsRestOperationException e) {
       assertEquals(AzureServiceErrorCode.AUTHORIZATION_PERMISSION_MISS_MATCH, e.getErrorCode());
     }
 
     // TEST READ  FILE
-    try (InputStream inputStream = abfsStore.openFileForRead(EXISTED_FILE_PATH, null,
+    try (InputStream inputStream = abfsStore
-            tracingContext)) {
+        .openFileForRead(existedFilePath, null, tracingContext)) {
       assertTrue(inputStream.read() != 0);
     }
 
     // TEST WRITE FILE
     try {
-      abfsStore.openFileForWrite(EXISTED_FILE_PATH, fs.getFsStatistics(), true,
+      abfsStore.openFileForWrite(existedFilePath, fs.getFsStatistics(), true,
-              tracingContext);
+          tracingContext);
     } catch (AbfsRestOperationException e) {
       assertEquals(AzureServiceErrorCode.AUTHORIZATION_PERMISSION_MISS_MATCH, e.getErrorCode());
     } finally {
@@ -161,14 +167,14 @@ public class ITestAzureBlobFileSystemOauth extends AbstractAbfsIntegrationTest{
 
   }
 
-  private void prepareFiles() throws IOException {
+  private void prepareFiles(Path existedFilePath, Path existedFolderPath) throws IOException {
     // create test files/folders to verify access control diff between
     // Blob data contributor and Blob data reader
     final AzureBlobFileSystem fs = this.getFileSystem();
-    fs.create(EXISTED_FILE_PATH);
+    fs.create(existedFilePath).close();
-    assertTrue(fs.exists(EXISTED_FILE_PATH));
+    assertPathExists(fs, "This path should exist", existedFilePath);
-    fs.mkdirs(EXISTED_FOLDER_PATH);
+    fs.mkdirs(existedFolderPath);
-    assertTrue(fs.exists(EXISTED_FOLDER_PATH));
+    assertPathExists(fs, "This path should exist", existedFolderPath);
   }
 
   private AzureBlobFileSystem getBlobConributor() throws Exception {

hadoop-tools/hadoop-azure/src/test/java/org/apache/hadoop/fs/azurebfs/ITestAzureBlobFileSystemPermission.java

@@ -84,7 +84,8 @@ public class ITestAzureBlobFileSystemPermission extends AbstractAbfsIntegrationT
         new FsPermission(FsAction.ALL, FsAction.NONE, FsAction.NONE));
     fs.removeDefaultAcl(path.getParent());
 
-    fs.create(path, permission, true, KILOBYTE, (short) 1, KILOBYTE - 1, null);
+    fs.create(path, permission, true, KILOBYTE, (short) 1, KILOBYTE - 1,
+        null).close();
     FileStatus status = fs.getFileStatus(path);
     Assert.assertEquals(permission.applyUMask(DEFAULT_UMASK_PERMISSION), status.getPermission());
   }

hadoop-tools/hadoop-azure/src/test/java/org/apache/hadoop/fs/azurebfs/ITestAzureBlobFileSystemRandomRead.java

@@ -86,7 +86,7 @@ public class ITestAzureBlobFileSystemRandomRead extends
 
   @Test
   public void testBasicRead() throws Exception {
-    Path testPath = new Path(TEST_FILE_PREFIX + "_testBasicRead");
+    Path testPath = path(TEST_FILE_PREFIX + "_testBasicRead");
     assumeHugeFileExists(testPath);
 
     try (FSDataInputStream inputStream = this.getFileSystem().open(testPath)) {
@@ -115,7 +115,7 @@ public class ITestAzureBlobFileSystemRandomRead extends
   public void testRandomRead() throws Exception {
     Assume.assumeFalse("This test does not support namespace enabled account",
         getIsNamespaceEnabled(getFileSystem()));
-    Path testPath = new Path(TEST_FILE_PREFIX + "_testRandomRead");
+    Path testPath = path(TEST_FILE_PREFIX + "_testRandomRead");
     assumeHugeFileExists(testPath);
 
     try (
@@ -174,7 +174,7 @@ public class ITestAzureBlobFileSystemRandomRead extends
    */
   @Test
   public void testSeekToNewSource() throws Exception {
-    Path testPath = new Path(TEST_FILE_PREFIX + "_testSeekToNewSource");
+    Path testPath = path(TEST_FILE_PREFIX + "_testSeekToNewSource");
     assumeHugeFileExists(testPath);
 
     try (FSDataInputStream inputStream = this.getFileSystem().open(testPath)) {
@@ -189,7 +189,7 @@ public class ITestAzureBlobFileSystemRandomRead extends
    */
   @Test
   public void testSkipBounds() throws Exception {
-    Path testPath = new Path(TEST_FILE_PREFIX + "_testSkipBounds");
+    Path testPath = path(TEST_FILE_PREFIX + "_testSkipBounds");
     long testFileLength = assumeHugeFileExists(testPath);
 
     try (FSDataInputStream inputStream = this.getFileSystem().open(testPath)) {
@@ -230,7 +230,7 @@ public class ITestAzureBlobFileSystemRandomRead extends
    */
   @Test
   public void testValidateSeekBounds() throws Exception {
-    Path testPath = new Path(TEST_FILE_PREFIX + "_testValidateSeekBounds");
+    Path testPath = path(TEST_FILE_PREFIX + "_testValidateSeekBounds");
     long testFileLength = assumeHugeFileExists(testPath);
 
     try (FSDataInputStream inputStream = this.getFileSystem().open(testPath)) {
@@ -281,7 +281,7 @@ public class ITestAzureBlobFileSystemRandomRead extends
    */
   @Test
   public void testSeekAndAvailableAndPosition() throws Exception {
-    Path testPath = new Path(TEST_FILE_PREFIX + "_testSeekAndAvailableAndPosition");
+    Path testPath = path(TEST_FILE_PREFIX + "_testSeekAndAvailableAndPosition");
     long testFileLength = assumeHugeFileExists(testPath);
 
     try (FSDataInputStream inputStream = this.getFileSystem().open(testPath)) {
@@ -347,7 +347,7 @@ public class ITestAzureBlobFileSystemRandomRead extends
    */
   @Test
   public void testSkipAndAvailableAndPosition() throws Exception {
-    Path testPath = new Path(TEST_FILE_PREFIX + "_testSkipAndAvailableAndPosition");
+    Path testPath = path(TEST_FILE_PREFIX + "_testSkipAndAvailableAndPosition");
     long testFileLength = assumeHugeFileExists(testPath);
 
     try (FSDataInputStream inputStream = this.getFileSystem().open(testPath)) {
@@ -413,7 +413,8 @@ public class ITestAzureBlobFileSystemRandomRead extends
   @Test
   public void testSequentialReadAfterReverseSeekPerformance()
           throws Exception {
-    Path testPath = new Path(TEST_FILE_PREFIX + "_testSequentialReadAfterReverseSeekPerformance");
+    Path testPath = path(
+        TEST_FILE_PREFIX + "_testSequentialReadAfterReverseSeekPerformance");
     assumeHugeFileExists(testPath);
     final int maxAttempts = 10;
     final double maxAcceptableRatio = 1.01;
@@ -446,7 +447,7 @@ public class ITestAzureBlobFileSystemRandomRead extends
   public void testRandomReadPerformance() throws Exception {
     Assume.assumeFalse("This test does not support namespace enabled account",
         getIsNamespaceEnabled(getFileSystem()));
-    Path testPath = new Path(TEST_FILE_PREFIX + "_testRandomReadPerformance");
+    Path testPath = path(TEST_FILE_PREFIX + "_testRandomReadPerformance");
     assumeHugeFileExists(testPath);
 
     final AzureBlobFileSystem abFs = this.getFileSystem();

hadoop-tools/hadoop-azure/src/test/java/org/apache/hadoop/fs/azurebfs/ITestAzureBlobFileSystemRename.java

@@ -51,6 +51,7 @@ import static org.mockito.Mockito.when;
 import static org.apache.hadoop.fs.azurebfs.constants.FileSystemConfigurations.DEFAULT_CLOCK_SKEW_WITH_SERVER_IN_MS;
 import static org.apache.hadoop.fs.contract.ContractTestUtils.assertMkdirs;
 import static org.apache.hadoop.fs.contract.ContractTestUtils.assertPathDoesNotExist;
+import static org.apache.hadoop.fs.contract.ContractTestUtils.assertPathExists;
 import static org.apache.hadoop.fs.contract.ContractTestUtils.assertRenameOutcome;
 import static org.apache.hadoop.fs.contract.ContractTestUtils.assertIsFile;
 
@@ -95,13 +96,13 @@ public class ITestAzureBlobFileSystemRename extends
   @Test
   public void testRenameFileUnderDir() throws Exception {
     final AzureBlobFileSystem fs = getFileSystem();
-    Path sourceDir = new Path("/testSrc");
+    Path sourceDir = path("/testSrc");
     assertMkdirs(fs, sourceDir);
     String filename = "file1";
     Path file1 = new Path(sourceDir, filename);
     touch(file1);
 
-    Path destDir = new Path("/testDst");
+    Path destDir = path("/testDst");
     assertRenameOutcome(fs, sourceDir, destDir, true);
     FileStatus[] fileStatus = fs.listStatus(destDir);
     assertNotNull("Null file status", fileStatus);
@@ -113,14 +114,15 @@ public class ITestAzureBlobFileSystemRename extends
   @Test
   public void testRenameDirectory() throws Exception {
     final AzureBlobFileSystem fs = getFileSystem();
-    fs.mkdirs(new Path("testDir"));
+    Path testDir = path("testDir");
-    Path test1 = new Path("testDir/test1");
+    fs.mkdirs(testDir);
+    Path test1 = new Path(testDir + "/test1");
     fs.mkdirs(test1);
-    fs.mkdirs(new Path("testDir/test1/test2"));
+    fs.mkdirs(new Path(testDir + "/test1/test2"));
-    fs.mkdirs(new Path("testDir/test1/test2/test3"));
+    fs.mkdirs(new Path(testDir + "/test1/test2/test3"));
 
     assertRenameOutcome(fs, test1,
-        new Path("testDir/test10"), true);
+        new Path(testDir + "/test10"), true);
     assertPathDoesNotExist(fs, "rename source dir", test1);
   }
 
@@ -130,8 +132,9 @@ public class ITestAzureBlobFileSystemRename extends
     final List<Future<Void>> tasks = new ArrayList<>();
 
     ExecutorService es = Executors.newFixedThreadPool(10);
+    Path source = path("/test");
     for (int i = 0; i < 1000; i++) {
-      final Path fileName = new Path("/test/" + i);
+      final Path fileName = new Path(source + "/" + i);
       Callable<Void> callable = new Callable<Void>() {
         @Override
         public Void call() throws Exception {
@@ -148,8 +151,7 @@ public class ITestAzureBlobFileSystemRename extends
     }
 
     es.shutdownNow();
-    Path source = new Path("/test");
+    Path dest = path("/renamedDir");
-    Path dest = new Path("/renamedDir");
     assertRenameOutcome(fs, source, dest, true);
 
     FileStatus[] files = fs.listStatus(dest);
@@ -173,14 +175,19 @@ public class ITestAzureBlobFileSystemRename extends
   @Test
   public void testPosixRenameDirectory() throws Exception {
     final AzureBlobFileSystem fs = this.getFileSystem();
-    fs.mkdirs(new Path("testDir2/test1/test2/test3"));
+    Path testDir2 = path("testDir2");
-    fs.mkdirs(new Path("testDir2/test4"));
+    fs.mkdirs(new Path(testDir2 + "/test1/test2/test3"));
-    Assert.assertTrue(fs.rename(new Path("testDir2/test1/test2/test3"), new Path("testDir2/test4")));
+    fs.mkdirs(new Path(testDir2 + "/test4"));
-    assertTrue(fs.exists(new Path("testDir2")));
+    Assert.assertTrue(fs.rename(new Path(testDir2 + "/test1/test2/test3"), new Path(testDir2 + "/test4")));
-    assertTrue(fs.exists(new Path("testDir2/test1/test2")));
+    assertPathExists(fs, "This path should exist", testDir2);
-    assertTrue(fs.exists(new Path("testDir2/test4")));
+    assertPathExists(fs, "This path should exist",
-    assertTrue(fs.exists(new Path("testDir2/test4/test3")));
+        new Path(testDir2 + "/test1/test2"));
-    assertFalse(fs.exists(new Path("testDir2/test1/test2/test3")));
+    assertPathExists(fs, "This path should exist",
+        new Path(testDir2 + "/test4"));
+    assertPathExists(fs, "This path should exist",
+        new Path(testDir2 + "/test4/test3"));
+    assertPathDoesNotExist(fs, "This path should not exist",
+        new Path(testDir2 + "/test1/test2/test3"));
   }
 
   @Test
@@ -306,7 +313,7 @@ public class ITestAzureBlobFileSystemRename extends
       when(op.getResult()).thenReturn(http400Op);
     } else if (renameRequestStatus == HTTP_NOT_FOUND) {
       // Create the file new.
-      fs.create(destinationPath);
+      fs.create(destinationPath).close();
       when(op.getResult()).thenReturn(http404Op);
 
       if (isOldOp) {

hadoop-tools/hadoop-azure/src/test/java/org/apache/hadoop/fs/azurebfs/ITestAzureBlobFileSystemRenameUnicode.java

@@ -76,7 +76,7 @@ public class ITestAzureBlobFileSystemRenameUnicode extends
   @Test
   public void testRenameFileUsingUnicode() throws Exception {
     final AzureBlobFileSystem fs = getFileSystem();
-    Path folderPath1 = new Path(srcDir);
+    Path folderPath1 = path(srcDir);
     assertMkdirs(fs, folderPath1);
     assertIsDirectory(fs, folderPath1);
     Path filePath = new Path(folderPath1 + "/" + filename);

hadoop-tools/hadoop-azure/src/test/java/org/apache/hadoop/fs/azurebfs/ITestAzureBlobFilesystemAcl.java

@@ -40,6 +40,7 @@ import org.apache.hadoop.fs.permission.AclStatus;
 import org.apache.hadoop.fs.permission.FsAction;
 import org.apache.hadoop.fs.permission.FsPermission;
 
+import static org.apache.hadoop.fs.contract.ContractTestUtils.assertPathExists;
 import static org.junit.Assume.assumeTrue;
 
 import static org.apache.hadoop.fs.permission.AclEntryScope.ACCESS;
@@ -1297,7 +1298,7 @@ public class ITestAzureBlobFilesystemAcl extends AbstractAbfsIntegrationTest {
     final Path filePath = new Path(methodName.getMethodName());
     fs.create(filePath);
 
-    assertTrue(fs.exists(filePath));
+    assertPathExists(fs, "This path should exist", filePath);
 
     TracingHeaderValidator tracingHeaderValidator = new TracingHeaderValidator(
         conf.getClientCorrelationId(), fs.getFileSystemId(),
@@ -1320,7 +1321,7 @@ public class ITestAzureBlobFilesystemAcl extends AbstractAbfsIntegrationTest {
     final Path filePath = new Path(methodName.getMethodName());
     fs.create(filePath);
 
-    assertTrue(fs.exists(filePath));
+    assertPathExists(fs, "This path should exist", filePath);
     FsPermission oldPermission = fs.getFileStatus(filePath).getPermission();
     // default permission for non-namespace enabled account is "777"
     FsPermission newPermission = new FsPermission("557");

hadoop-tools/hadoop-azure/src/test/java/org/apache/hadoop/fs/azurebfs/ITestCustomerProvidedKey.java

@@ -33,6 +33,7 @@ import java.util.List;
 import java.util.Map;
 import java.util.Optional;
 import java.util.Random;
+import java.util.UUID;
 
 import org.apache.hadoop.fs.azurebfs.utils.TracingContext;
 import org.apache.hadoop.fs.contract.ContractTestUtils;
@@ -107,7 +108,7 @@ public class ITestCustomerProvidedKey extends AbstractAbfsIntegrationTest {
   @Test
   public void testReadWithCPK() throws Exception {
     final AzureBlobFileSystem fs = getAbfs(true);
-    String fileName = "/" + methodName.getMethodName();
+    String fileName = path("/" + methodName.getMethodName()).toString();
     createFileAndGetContent(fs, fileName, FILE_SIZE);
 
     AbfsClient abfsClient = fs.getAbfsClient();
@@ -157,7 +158,7 @@ public class ITestCustomerProvidedKey extends AbstractAbfsIntegrationTest {
   @Test
   public void testReadWithoutCPK() throws Exception {
     final AzureBlobFileSystem fs = getAbfs(false);
-    String fileName = "/" + methodName.getMethodName();
+    String fileName = path("/" + methodName.getMethodName()).toString();
     createFileAndGetContent(fs, fileName, FILE_SIZE);
 
     AbfsClient abfsClient = fs.getAbfsClient();
@@ -196,7 +197,7 @@ public class ITestCustomerProvidedKey extends AbstractAbfsIntegrationTest {
   @Test
   public void testAppendWithCPK() throws Exception {
     final AzureBlobFileSystem fs = getAbfs(true);
-    final String fileName = "/" + methodName.getMethodName();
+    final String fileName = path("/" + methodName.getMethodName()).toString();
     createFileAndGetContent(fs, fileName, FILE_SIZE);
 
     //  Trying to append with correct CPK headers
@@ -241,7 +242,7 @@ public class ITestCustomerProvidedKey extends AbstractAbfsIntegrationTest {
   @Test
   public void testAppendWithoutCPK() throws Exception {
     final AzureBlobFileSystem fs = getAbfs(false);
-    final String fileName = "/" + methodName.getMethodName();
+    final String fileName = path("/" + methodName.getMethodName()).toString();
     createFileAndGetContent(fs, fileName, FILE_SIZE);
 
     //  Trying to append without CPK headers
@@ -277,7 +278,7 @@ public class ITestCustomerProvidedKey extends AbstractAbfsIntegrationTest {
   @Test
   public void testSetGetXAttr() throws Exception {
     final AzureBlobFileSystem fs = getAbfs(true);
-    String fileName = methodName.getMethodName();
+    final String fileName = path(methodName.getMethodName()).toString();
     createFileAndGetContent(fs, fileName, FILE_SIZE);
 
     String valSent = "testValue";
@@ -325,7 +326,8 @@ public class ITestCustomerProvidedKey extends AbstractAbfsIntegrationTest {
     AzureBlobFileSystem fs1 = getAbfs(true);
     int fileSize = FILE_SIZE_FOR_COPY_BETWEEN_ACCOUNTS;
     byte[] fileContent = getRandomBytesArray(fileSize);
-    Path testFilePath = createFileWithContent(fs1, "fs1-file.txt", fileContent);
+    Path testFilePath = createFileWithContent(fs1,
+        String.format("fs1-file%s.txt", UUID.randomUUID()), fileContent);
 
     //  Create fs2 with different CPK
     Configuration conf = new Configuration();
@@ -340,7 +342,8 @@ public class ITestCustomerProvidedKey extends AbstractAbfsIntegrationTest {
     AzureBlobFileSystem fs2 = (AzureBlobFileSystem) FileSystem.newInstance(conf);
 
     //  Read from fs1 and write to fs2, fs1 and fs2 are having different CPK
-    Path fs2DestFilePath = new Path("fs2-dest-file.txt");
+    Path fs2DestFilePath = new Path(
+        String.format("fs2-dest-file%s.txt", UUID.randomUUID()));
     FSDataOutputStream ops = fs2.create(fs2DestFilePath);
     try (FSDataInputStream iStream = fs1.open(testFilePath)) {
       long totalBytesRead = 0;
@@ -408,8 +411,8 @@ public class ITestCustomerProvidedKey extends AbstractAbfsIntegrationTest {
 
   private void testListPath(final boolean isWithCPK) throws Exception {
     final AzureBlobFileSystem fs = getAbfs(isWithCPK);
-    String testDirName = "/" + methodName.getMethodName();
+    final Path testPath = path("/" + methodName.getMethodName());
-    final Path testPath = new Path(testDirName);
+    String testDirName = testPath.toString();
     fs.mkdirs(testPath);
     createFileAndGetContent(fs, testDirName + "/aaa", FILE_SIZE);
     createFileAndGetContent(fs, testDirName + "/bbb", FILE_SIZE);
@@ -468,7 +471,8 @@ public class ITestCustomerProvidedKey extends AbstractAbfsIntegrationTest {
 
   private void testCreatePath(final boolean isWithCPK) throws Exception {
     final AzureBlobFileSystem fs = getAbfs(isWithCPK);
-    final String testFileName = "/" + methodName.getMethodName();
+    final String testFileName = path("/" + methodName.getMethodName())
+        .toString();
     createFileAndGetContent(fs, testFileName, FILE_SIZE);
 
     AbfsClient abfsClient = fs.getAbfsClient();
@@ -511,7 +515,8 @@ public class ITestCustomerProvidedKey extends AbstractAbfsIntegrationTest {
 
   private void testRenamePath(final boolean isWithCPK) throws Exception {
     final AzureBlobFileSystem fs = getAbfs(isWithCPK);
-    final String testFileName = "/" + methodName.getMethodName();
+    final String testFileName = path("/" + methodName.getMethodName())
+        .toString();
     createFileAndGetContent(fs, testFileName, FILE_SIZE);
 
     FileStatus fileStatusBeforeRename = fs
@@ -546,15 +551,17 @@ public class ITestCustomerProvidedKey extends AbstractAbfsIntegrationTest {
 
   private void testFlush(final boolean isWithCPK) throws Exception {
     final AzureBlobFileSystem fs = getAbfs(isWithCPK);
-    final String testFileName = "/" + methodName.getMethodName();
+    final String testFileName = path("/" + methodName.getMethodName())
-    fs.create(new Path(testFileName));
+        .toString();
+    fs.create(new Path(testFileName)).close();
     AbfsClient abfsClient = fs.getAbfsClient();
     String expectedCPKSha = getCPKSha(fs);
 
     byte[] fileContent = getRandomBytesArray(FILE_SIZE);
     Path testFilePath = new Path(testFileName + "1");
-    FSDataOutputStream oStream = fs.create(testFilePath);
+    try (FSDataOutputStream oStream = fs.create(testFilePath)) {
-    oStream.write(fileContent);
+      oStream.write(fileContent);
+    }
 
     //  Trying to read with different CPK headers
     Configuration conf = fs.getConf();
@@ -605,7 +612,8 @@ public class ITestCustomerProvidedKey extends AbstractAbfsIntegrationTest {
 
   private void testSetPathProperties(final boolean isWithCPK) throws Exception {
     final AzureBlobFileSystem fs = getAbfs(isWithCPK);
-    final String testFileName = "/" + methodName.getMethodName();
+    final String testFileName = path("/" + methodName.getMethodName())
+        .toString();
     createFileAndGetContent(fs, testFileName, FILE_SIZE);
 
     AbfsClient abfsClient = fs.getAbfsClient();
@@ -635,7 +643,8 @@ public class ITestCustomerProvidedKey extends AbstractAbfsIntegrationTest {
 
   private void testGetPathStatusFile(final boolean isWithCPK) throws Exception {
     final AzureBlobFileSystem fs = getAbfs(isWithCPK);
-    final String testFileName = "/" + methodName.getMethodName();
+    final String testFileName = path("/" + methodName.getMethodName())
+        .toString();
     createFileAndGetContent(fs, testFileName, FILE_SIZE);
 
     AbfsClient abfsClient = fs.getAbfsClient();
@@ -672,7 +681,8 @@ public class ITestCustomerProvidedKey extends AbstractAbfsIntegrationTest {
 
   private void testDeletePath(final boolean isWithCPK) throws Exception {
     final AzureBlobFileSystem fs = getAbfs(isWithCPK);
-    final String testFileName = "/" + methodName.getMethodName();
+    final String testFileName = path("/" + methodName.getMethodName())
+        .toString();
     createFileAndGetContent(fs, testFileName, FILE_SIZE);
 
     FileStatus[] listStatuses = fs.listStatus(new Path(testFileName));
@@ -702,7 +712,8 @@ public class ITestCustomerProvidedKey extends AbstractAbfsIntegrationTest {
 
   private void testSetPermission(final boolean isWithCPK) throws Exception {
     final AzureBlobFileSystem fs = getAbfs(isWithCPK);
-    final String testFileName = "/" + methodName.getMethodName();
+    final String testFileName = path("/" + methodName.getMethodName())
+        .toString();
     Assume.assumeTrue(fs.getIsNamespaceEnabled(getTestTracingContext(fs, false)));
     createFileAndGetContent(fs, testFileName, FILE_SIZE);
     AbfsClient abfsClient = fs.getAbfsClient();
@@ -727,7 +738,8 @@ public class ITestCustomerProvidedKey extends AbstractAbfsIntegrationTest {
 
   private void testSetAcl(final boolean isWithCPK) throws Exception {
     final AzureBlobFileSystem fs = getAbfs(isWithCPK);
-    final String testFileName = "/" + methodName.getMethodName();
+    final String testFileName = path("/" + methodName.getMethodName())
+        .toString();
     TracingContext tracingContext = getTestTracingContext(fs, false);
     Assume.assumeTrue(fs.getIsNamespaceEnabled(tracingContext));
     createFileAndGetContent(fs, testFileName, FILE_SIZE);
@@ -756,7 +768,8 @@ public class ITestCustomerProvidedKey extends AbstractAbfsIntegrationTest {
 
   private void testGetAcl(final boolean isWithCPK) throws Exception {
     final AzureBlobFileSystem fs = getAbfs(isWithCPK);
-    final String testFileName = "/" + methodName.getMethodName();
+    final String testFileName = path("/" + methodName.getMethodName())
+        .toString();
     TracingContext tracingContext = getTestTracingContext(fs, false);
     Assume.assumeTrue(fs.getIsNamespaceEnabled(tracingContext));
     createFileAndGetContent(fs, testFileName, FILE_SIZE);
@@ -786,8 +799,9 @@ public class ITestCustomerProvidedKey extends AbstractAbfsIntegrationTest {
         getAuthType() == AuthType.OAuth);
 
     final AzureBlobFileSystem fs = getAbfs(isWithCPK);
-    final String testFileName = "/" + methodName.getMethodName();
+    final String testFileName = path("/" + methodName.getMethodName())
-    fs.create(new Path(testFileName));
+        .toString();
+    fs.create(new Path(testFileName)).close();
     AbfsClient abfsClient = fs.getAbfsClient();
     AbfsRestOperation abfsRestOperation = abfsClient
         .checkAccess(testFileName, "rwx", getTestTracingContext(fs, false));

hadoop-tools/hadoop-azure/src/test/java/org/apache/hadoop/fs/azurebfs/ITestFileSystemProperties.java

@@ -33,16 +33,22 @@ import org.apache.hadoop.fs.azurebfs.utils.TracingContext;
  */
 public class ITestFileSystemProperties extends AbstractAbfsIntegrationTest {
   private static final int TEST_DATA = 100;
-  private static final Path TEST_PATH = new Path("/testfile");
+  private static final String TEST_PATH = "/testfile";
   public ITestFileSystemProperties() throws Exception {
   }
 
   @Test
   public void testReadWriteBytesToFileAndEnsureThreadPoolCleanup() throws Exception {
     final AzureBlobFileSystem fs = getFileSystem();
-    testWriteOneByteToFileAndEnsureThreadPoolCleanup();
+    Path testPath = path(TEST_PATH);
+    try(FSDataOutputStream stream = fs.create(testPath)) {
+      stream.write(TEST_DATA);
+    }
 
-    try(FSDataInputStream inputStream = fs.open(TEST_PATH, 4 * 1024 * 1024)) {
+    FileStatus fileStatus = fs.getFileStatus(testPath);
+    assertEquals(1, fileStatus.getLen());
+
+    try(FSDataInputStream inputStream = fs.open(testPath, 4 * 1024 * 1024)) {
       int i = inputStream.read();
       assertEquals(TEST_DATA, i);
     }
@@ -51,11 +57,12 @@ public class ITestFileSystemProperties extends AbstractAbfsIntegrationTest {
   @Test
   public void testWriteOneByteToFileAndEnsureThreadPoolCleanup() throws Exception {
     final AzureBlobFileSystem fs = getFileSystem();
-    try(FSDataOutputStream stream = fs.create(TEST_PATH)) {
+    Path testPath = path(TEST_PATH);
+    try(FSDataOutputStream stream = fs.create(testPath)) {
       stream.write(TEST_DATA);
     }
 
-    FileStatus fileStatus = fs.getFileStatus(TEST_PATH);
+    FileStatus fileStatus = fs.getFileStatus(testPath);
     assertEquals(1, fileStatus.getLen());
   }
 
@@ -78,11 +85,12 @@ public class ITestFileSystemProperties extends AbstractAbfsIntegrationTest {
     final AzureBlobFileSystem fs = getFileSystem();
     final Hashtable<String, String> properties = new Hashtable<>();
     properties.put("key", "{ value: valueTest }");
-    touch(TEST_PATH);
+    Path testPath = path(TEST_PATH);
+    touch(testPath);
     TracingContext tracingContext = getTestTracingContext(fs, true);
-    fs.getAbfsStore().setPathProperties(TEST_PATH, properties, tracingContext);
+    fs.getAbfsStore().setPathProperties(testPath, properties, tracingContext);
     Hashtable<String, String> fetchedProperties = fs.getAbfsStore()
-        .getPathStatus(TEST_PATH, tracingContext);
+        .getPathStatus(testPath, tracingContext);
 
     assertEquals(properties, fetchedProperties);
   }
@@ -105,11 +113,12 @@ public class ITestFileSystemProperties extends AbstractAbfsIntegrationTest {
     final AzureBlobFileSystem fs = getFileSystem();
     final Hashtable<String, String> properties = new Hashtable<>();
     properties.put("key", "{ value: valueTest兩 }");
-    touch(TEST_PATH);
+    Path testPath = path(TEST_PATH);
+    touch(testPath);
     TracingContext tracingContext = getTestTracingContext(fs, true);
-    fs.getAbfsStore().setPathProperties(TEST_PATH, properties, tracingContext);
+    fs.getAbfsStore().setPathProperties(testPath, properties, tracingContext);
     Hashtable<String, String> fetchedProperties = fs.getAbfsStore()
-        .getPathStatus(TEST_PATH, tracingContext);
+        .getPathStatus(testPath, tracingContext);
 
     assertEquals(properties, fetchedProperties);
   }

hadoop-tools/hadoop-azure/src/test/java/org/apache/hadoop/fs/azurebfs/ITestWasbAbfsCompatibility.java

@@ -62,7 +62,8 @@ public class ITestWasbAbfsCompatibility extends AbstractAbfsIntegrationTest {
 
     NativeAzureFileSystem wasb = getWasbFileSystem();
 
-    Path path1 = new Path("/testfiles/~12/!008/3/abFsTestfile");
+    Path testFiles = path("/testfiles");
+    Path path1 = new Path(testFiles + "/~12/!008/3/abFsTestfile");
     try(FSDataOutputStream abfsStream = fs.create(path1, true)) {
       abfsStream.write(ABFS_TEST_CONTEXT.getBytes());
       abfsStream.flush();
@@ -70,7 +71,7 @@ public class ITestWasbAbfsCompatibility extends AbstractAbfsIntegrationTest {
     }
 
     // create file using wasb
-    Path path2 = new Path("/testfiles/~12/!008/3/nativeFsTestfile");
+    Path path2 = new Path(testFiles + "/~12/!008/3/nativeFsTestfile");
     LOG.info("{}", wasb.getUri());
     try(FSDataOutputStream nativeFsStream = wasb.create(path2, true)) {
       nativeFsStream.write(WASB_TEST_CONTEXT.getBytes());
@@ -78,8 +79,8 @@ public class ITestWasbAbfsCompatibility extends AbstractAbfsIntegrationTest {
       nativeFsStream.hsync();
     }
     // list file using abfs and wasb
-    FileStatus[] abfsFileStatus = fs.listStatus(new Path("/testfiles/~12/!008/3/"));
+    FileStatus[] abfsFileStatus = fs.listStatus(new Path(testFiles + "/~12/!008/3/"));
-    FileStatus[] nativeFsFileStatus = wasb.listStatus(new Path("/testfiles/~12/!008/3/"));
+    FileStatus[] nativeFsFileStatus = wasb.listStatus(new Path(testFiles + "/~12/!008/3/"));
 
     assertEquals(2, abfsFileStatus.length);
     assertEquals(2, nativeFsFileStatus.length);
@@ -97,8 +98,9 @@ public class ITestWasbAbfsCompatibility extends AbstractAbfsIntegrationTest {
 
     NativeAzureFileSystem wasb = getWasbFileSystem();
 
+    Path testFile = path("/testReadFile");
     for (int i = 0; i< 4; i++) {
-      Path path = new Path("/testReadFile/~12/!008/testfile" + i);
+      Path path = new Path(testFile + "/~12/!008/testfile" + i);
       final FileSystem createFs = createFileWithAbfs[i] ? abfs : wasb;
 
       // Write
@@ -137,8 +139,9 @@ public class ITestWasbAbfsCompatibility extends AbstractAbfsIntegrationTest {
 
     NativeAzureFileSystem wasb = getWasbFileSystem();
 
+    Path testDir = path("/testDir");
     for (int i = 0; i < 4; i++) {
-      Path path = new Path("/testDir/t" + i);
+      Path path = new Path(testDir + "/t" + i);
       //create
       final FileSystem createFs = createDirWithAbfs[i] ? abfs : wasb;
       assertTrue(createFs.mkdirs(path));
@@ -172,11 +175,12 @@ public class ITestWasbAbfsCompatibility extends AbstractAbfsIntegrationTest {
 
     NativeAzureFileSystem wasb = getWasbFileSystem();
 
-    Path d1d4 = new Path("/d1/d2/d3/d4");
+    Path d1 = path("/d1");
+    Path d1d4 = new Path(d1 + "/d2/d3/d4");
     assertMkdirs(abfs, d1d4);
 
     //set working directory to path1
-    Path path1 = new Path("/d1/d2");
+    Path path1 = new Path(d1 + "/d2");
     wasb.setWorkingDirectory(path1);
     abfs.setWorkingDirectory(path1);
     assertEquals(path1, wasb.getWorkingDirectory());

hadoop-tools/hadoop-azure/src/test/java/org/apache/hadoop/fs/azurebfs/services/ITestAbfsOutputStream.java

@@ -23,7 +23,6 @@ import org.junit.Test;
 
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.fs.FSDataOutputStream;
-import org.apache.hadoop.fs.Path;
 import org.apache.hadoop.fs.azurebfs.AbstractAbfsIntegrationTest;
 import org.apache.hadoop.fs.azurebfs.AzureBlobFileSystem;
 import org.apache.hadoop.fs.azurebfs.constants.ConfigurationKeys;
@@ -32,7 +31,7 @@ import org.apache.hadoop.fs.azurebfs.constants.ConfigurationKeys;
  * Test create operation.
  */
 public class ITestAbfsOutputStream extends AbstractAbfsIntegrationTest {
-  private static final Path TEST_FILE_PATH = new Path("testfile");
+  private static final String TEST_FILE_PATH = "testfile";
 
   public ITestAbfsOutputStream() throws Exception {
     super();
@@ -42,7 +41,7 @@ public class ITestAbfsOutputStream extends AbstractAbfsIntegrationTest {
   public void testMaxRequestsAndQueueCapacityDefaults() throws Exception {
     Configuration conf = getRawConfiguration();
     final AzureBlobFileSystem fs = getFileSystem(conf);
-    try (FSDataOutputStream out = fs.create(TEST_FILE_PATH)) {
+    try (FSDataOutputStream out = fs.create(path(TEST_FILE_PATH))) {
     AbfsOutputStream stream = (AbfsOutputStream) out.getWrappedStream();
 
       int maxConcurrentRequests
@@ -71,19 +70,18 @@ public class ITestAbfsOutputStream extends AbstractAbfsIntegrationTest {
     conf.set(ConfigurationKeys.AZURE_WRITE_MAX_REQUESTS_TO_QUEUE,
         "" + maxRequestsToQueue);
     final AzureBlobFileSystem fs = getFileSystem(conf);
-    FSDataOutputStream out = fs.create(TEST_FILE_PATH);
+    try (FSDataOutputStream out = fs.create(path(TEST_FILE_PATH))) {
-    AbfsOutputStream stream = (AbfsOutputStream) out.getWrappedStream();
+      AbfsOutputStream stream = (AbfsOutputStream) out.getWrappedStream();
 
-    if (stream.isAppendBlobStream()) {
+      if (stream.isAppendBlobStream()) {
-      maxConcurrentRequests = 1;
+        maxConcurrentRequests = 1;
+      }
+
+      Assertions.assertThat(stream.getMaxConcurrentRequestCount()).describedAs(
+          "maxConcurrentRequests should be " + maxConcurrentRequests).isEqualTo(maxConcurrentRequests);
+      Assertions.assertThat(stream.getMaxRequestsThatCanBeQueued()).describedAs("maxRequestsToQueue should be " + maxRequestsToQueue)
+          .isEqualTo(maxRequestsToQueue);
     }
-
-    Assertions.assertThat(stream.getMaxConcurrentRequestCount())
-        .describedAs("maxConcurrentRequests should be " + maxConcurrentRequests)
-        .isEqualTo(maxConcurrentRequests);
-    Assertions.assertThat(stream.getMaxRequestsThatCanBeQueued())
-        .describedAs("maxRequestsToQueue should be " + maxRequestsToQueue)
-        .isEqualTo(maxRequestsToQueue);
   }
 
 }

hadoop-tools/hadoop-azure/src/test/java/org/apache/hadoop/fs/azurebfs/services/TestAbfsInputStream.java

@@ -583,13 +583,14 @@ public class TestAbfsInputStream extends
     Configuration config = getRawConfiguration();
     config.unset(FS_AZURE_READ_AHEAD_QUEUE_DEPTH);
     AzureBlobFileSystem fs = getFileSystem(config);
-    Path testFile = new Path("/testFile");
+    Path testFile = path("/testFile");
-    fs.create(testFile);
+    fs.create(testFile).close();
     FSDataInputStream in = fs.open(testFile);
     Assertions.assertThat(
         ((AbfsInputStream) in.getWrappedStream()).getReadAheadQueueDepth())
         .describedAs("readahead queue depth should be set to default value 2")
         .isEqualTo(2);
+    in.close();
   }
 
 
@@ -646,8 +647,7 @@ public class TestAbfsInputStream extends
       readAheadBlockSize = readRequestSize;
     }
 
-    Path testPath = new Path(
+    Path testPath = path("/testReadAheadConfigs");
-        "/testReadAheadConfigs");
     final AzureBlobFileSystem fs = createTestFile(testPath,
         ALWAYS_READ_BUFFER_SIZE_TEST_FILE_SIZE, config);
     byte[] byteBuffer = new byte[ONE_MB];