HDFS-3128. Unit tests should not use a test root in /tmp. (wang)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1568526 13f79535-47bb-0310-9956-ffa450edef68

hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/fs/FSMainOperationsBaseTest.java

@@ -90,10 +90,6 @@ public abstract class FSMainOperationsBaseTest extends FileSystemTestHelper {
   public FSMainOperationsBaseTest() {
   }
   
-  public FSMainOperationsBaseTest(String testRootDir) {
-      super(testRootDir);
-  }
-  
   @Before
   public void setUp() throws Exception {
     fSys = createFileSystem();

hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/fs/FileContextTestHelper.java

@@ -49,7 +49,7 @@ public final class FileContextTestHelper {
   /**
    * Create a context with the given test root
    */
-  public FileContextTestHelper(String testRootDir) {
+  private FileContextTestHelper(String testRootDir) {
     this.testRootDir = testRootDir;
   }
   

hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/fs/FileSystemTestHelper.java

@@ -52,7 +52,7 @@ public class FileSystemTestHelper {
   /**
    * Create helper with the specified test root dir
    */
-  public FileSystemTestHelper(String testRootDir) {
+  private FileSystemTestHelper(String testRootDir) {
       this.testRootDir = testRootDir;
   }
 

hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt

@@ -451,6 +451,8 @@ Release 2.4.0 - UNRELEASED
     HDFS-5943. 'dfs.namenode.https-address' property is not loaded from
     configuration in federation setup. (suresh)
 
+    HDFS-3128. Unit tests should not use a test root in /tmp. (wang)
+
 Release 2.3.1 - UNRELEASED
 
   INCOMPATIBLE CHANGES

hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/fs/TestFcHdfsCreateMkdir.java

@@ -40,7 +40,7 @@ public class TestFcHdfsCreateMkdir extends
   
   @Override
   protected FileContextTestHelper createFileContextHelper() {
-    return new FileContextTestHelper("/tmp/TestFcHdfsCreateMkdir");
+    return new FileContextTestHelper();
   }
 
 

hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/fs/TestFcHdfsPermission.java

@@ -35,7 +35,7 @@ import org.junit.BeforeClass;
 public class TestFcHdfsPermission extends FileContextPermissionBase {
   
   private static final FileContextTestHelper fileContextTestHelper =
-      new FileContextTestHelper("/tmp/TestFcHdfsPermission");
+      new FileContextTestHelper();
   private static FileContext fc;
 
   private static MiniDFSCluster cluster;

hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/fs/TestFcHdfsSetUMask.java

@@ -43,7 +43,7 @@ import org.junit.Test;
 public class TestFcHdfsSetUMask {
   
   private static FileContextTestHelper fileContextTestHelper =
-      new FileContextTestHelper("/tmp/TestFcHdfsSetUMask");
+      new FileContextTestHelper();
   private static MiniDFSCluster cluster;
   private static Path defaultWorkingDirectory;
   private static FileContext fc;

hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/fs/TestHDFSFileContextMainOperations.java

@@ -49,7 +49,7 @@ public class TestHDFSFileContextMainOperations extends
   
   @Override
   protected FileContextTestHelper createFileContextHelper() {
-    return new FileContextTestHelper("/tmp/TestHDFSFileContextMainOperations");
+    return new FileContextTestHelper();
   }
 
   @BeforeClass

hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/fs/TestResolveHdfsSymlink.java

@@ -50,7 +50,7 @@ import org.junit.Test;
  * underlying file system as Hdfs.
  */
 public class TestResolveHdfsSymlink {
-  private static File TEST_ROOT_DIR = PathUtils.getTestDir(TestResolveHdfsSymlink.class);
+  private static FileContextTestHelper helper = new FileContextTestHelper();
   private static MiniDFSCluster cluster = null;
 
   @BeforeClass
@@ -82,13 +82,14 @@ public class TestResolveHdfsSymlink {
     FileContext fcHdfs = FileContext.getFileContext(cluster.getFileSystem()
         .getUri());
 
+    final String localTestRoot = helper.getAbsoluteTestRootDir(fcLocal);
     Path alphaLocalPath = new Path(fcLocal.getDefaultFileSystem().getUri()
-        .toString(), new File(TEST_ROOT_DIR, "alpha").getAbsolutePath());
+        .toString(), new File(localTestRoot, "alpha").getAbsolutePath());
     DFSTestUtil.createFile(FileSystem.getLocal(conf), alphaLocalPath, 16,
         (short) 1, 2);
 
     Path linkTarget = new Path(fcLocal.getDefaultFileSystem().getUri()
-        .toString(), TEST_ROOT_DIR.getAbsolutePath());
+        .toString(), localTestRoot);
     Path hdfsLink = new Path(fcHdfs.getDefaultFileSystem().getUri().toString(),
         "/tmp/link");
     fcHdfs.createSymlink(linkTarget, hdfsLink, true);

hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/fs/TestSymlinkHdfsDisable.java

@@ -42,8 +42,7 @@ public class TestSymlinkHdfsDisable {
     DistributedFileSystem dfs = cluster.getFileSystem();
     FileContext fc = FileContext.getFileContext(cluster.getURI(0), conf);
     // Create test files/links
-    FileContextTestHelper helper = new FileContextTestHelper(
-        "/tmp/TestSymlinkHdfsDisable");
+    FileContextTestHelper helper = new FileContextTestHelper();
     Path root = helper.getTestRootPath(fc);
     Path target = new Path(root, "target");
     Path link = new Path(root, "link");

hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/fs/viewfs/TestViewFileSystemAtHdfsRoot.java

@@ -45,7 +45,7 @@ public class TestViewFileSystemAtHdfsRoot extends ViewFileSystemBaseTest {
   
   @Override
   protected FileSystemTestHelper createFileSystemHelper() {
-    return new FileSystemTestHelper("/tmp/TestViewFileSystemAtHdfsRoot");
+    return new FileSystemTestHelper();
   }
   
   @BeforeClass

hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/fs/viewfs/TestViewFileSystemHdfs.java

@@ -52,7 +52,7 @@ public class TestViewFileSystemHdfs extends ViewFileSystemBaseTest {
   
   @Override
   protected FileSystemTestHelper createFileSystemHelper() {
-    return new FileSystemTestHelper("/tmp/TestViewFileSystemHdfs");
+    return new FileSystemTestHelper();
   }
 
   @BeforeClass

hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/fs/viewfs/TestViewFsAtHdfsRoot.java

@@ -46,7 +46,7 @@ public class TestViewFsAtHdfsRoot extends ViewFsBaseTest {
   
   @Override
   protected FileContextTestHelper createFileContextHelper() {
-    return new FileContextTestHelper("/tmp/TestViewFsAtHdfsRoot");
+    return new FileContextTestHelper();
   }
 
   @BeforeClass

hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/fs/viewfs/TestViewFsHdfs.java

@@ -42,7 +42,7 @@ public class TestViewFsHdfs extends ViewFsBaseTest {
   
   @Override
   protected FileContextTestHelper createFileContextHelper() {
-    return new FileContextTestHelper("/tmp/TestViewFsHdfs");
+    return new FileContextTestHelper();
   }
 
 

hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/web/TestFSMainOperationsWebHdfs.java

@@ -52,7 +52,7 @@ public class TestFSMainOperationsWebHdfs extends FSMainOperationsBaseTest {
   private static FileSystem fileSystem;
   
   public TestFSMainOperationsWebHdfs() {
-    super("/tmp/TestFSMainOperationsWebHdfs");
+    super();
   }
 
   @Override

hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/test/PathUtils.java

@@ -19,6 +19,7 @@ package org.apache.hadoop.test;
 
 import java.io.File;
 
+import org.apache.commons.lang.RandomStringUtils;
 import org.apache.hadoop.fs.Path;
 
 public class PathUtils {
@@ -36,7 +37,10 @@ public class PathUtils {
   }
   
   public static File getTestDir(Class<?> caller, boolean create) {
-    File dir = new File(System.getProperty("test.build.data", "/tmp"), caller.getSimpleName());
+    File dir =
+        new File(System.getProperty("test.build.data", "target/test/data")
+            + "/" + RandomStringUtils.randomAlphanumeric(10),
+            caller.getSimpleName());
     if (create) {
       dir.mkdirs();
     }