HADOOP-16811: Use JUnit TemporaryFolder Rule in TestFileUtils (#1811). Contributed by David Mollitor.
This commit is contained in:
belugabehr
Ayush Saxena
parent
6d008c0d39
commit
1afd54fbbb
@ -66,22 +66,38 @@
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import org.junit.Assert;
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import org.junit.Before;
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import org.junit.Ignore;
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import org.junit.Rule;
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import org.junit.Test;
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import org.junit.rules.TemporaryFolder;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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public class TestFileUtil {
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private static final Logger LOG = LoggerFactory.getLogger(TestFileUtil.class);
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private static final File TEST_DIR = GenericTestUtils.getTestDir("fu");
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@Rule
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public TemporaryFolder testFolder = new TemporaryFolder();
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private static final String FILE = "x";
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private static final String LINK = "y";
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private static final String DIR = "dir";
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private final File del = new File(TEST_DIR, "del");
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private final File tmp = new File(TEST_DIR, "tmp");
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private final File dir1 = new File(del, DIR + "1");
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private final File dir2 = new File(del, DIR + "2");
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private final File partitioned = new File(TEST_DIR, "partitioned");
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private static final String FILE_1_NAME = "file1";
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private File del;
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private File tmp;
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private File dir1;
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private File dir2;
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private File partitioned;
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private File xSubDir;
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private File xSubSubDir;
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private File ySubDir;
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private File file2;
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private File file22;
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private File file3;
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private File zlink;
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private InetAddress inet1;
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private InetAddress inet2;
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@ -118,21 +134,34 @@ public class TestFileUtil {
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* file: part-r-00000, contents: "foo"
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* file: part-r-00001, contents: "bar"
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*/
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@Ignore
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private void setupDirs() throws IOException {
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Assert.assertFalse(del.exists());
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Assert.assertFalse(tmp.exists());
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Assert.assertFalse(partitioned.exists());
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del.mkdirs();
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tmp.mkdirs();
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partitioned.mkdirs();
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@Before
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public void setup() throws IOException {
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del = testFolder.newFolder("del");
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tmp = testFolder.newFolder("tmp");
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partitioned = testFolder.newFolder("partitioned");
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zlink = new File(del, "zlink");
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xSubDir = new File(del, "xSubDir");
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xSubSubDir = new File(xSubDir, "xSubSubDir");
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ySubDir = new File(del, "ySubDir");
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file2 = new File(xSubDir, "file2");
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file22 = new File(xSubSubDir, "file22");
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file3 = new File(ySubDir, "file3");
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dir1 = new File(del, DIR + "1");
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dir2 = new File(del, DIR + "2");
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FileUtils.forceMkdir(dir1);
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FileUtils.forceMkdir(dir2);
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new File(del, FILE).createNewFile();
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File tmpFile = new File(tmp, FILE);
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tmpFile.createNewFile();
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// create directories
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dir1.mkdirs();
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dir2.mkdirs();
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// create files
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new File(dir1, FILE).createNewFile();
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new File(dir2, FILE).createNewFile();
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@ -153,6 +182,11 @@ private void setupDirs() throws IOException {
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FileUtil.symLink(del.toString(), dir1.toString() + "/cycle");
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}
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@After
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public void tearDown() throws IOException {
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testFolder.delete();
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}
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/**
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* Creates a new file in the specified directory, with the specified name and
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* the specified file contents. This method will add a newline terminator to
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@ -177,7 +211,6 @@ private File createFile(File directory, String name, String contents)
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@Test (timeout = 30000)
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public void testListFiles() throws IOException {
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setupDirs();
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//Test existing files case
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File[] files = FileUtil.listFiles(partitioned);
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Assert.assertEquals(2, files.length);
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@ -204,7 +237,6 @@ public void testListFiles() throws IOException {
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@Test (timeout = 30000)
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public void testListAPI() throws IOException {
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setupDirs();
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//Test existing files case
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String[] files = FileUtil.list(partitioned);
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Assert.assertEquals("Unexpected number of pre-existing files", 2, files.length);
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@ -229,30 +261,8 @@ public void testListAPI() throws IOException {
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}
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}
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@Before
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public void before() throws IOException {
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cleanupImpl();
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}
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@After
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public void tearDown() throws IOException {
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cleanupImpl();
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}
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private void cleanupImpl() throws IOException {
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FileUtil.fullyDelete(del, true);
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Assert.assertTrue(!del.exists());
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FileUtil.fullyDelete(tmp, true);
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Assert.assertTrue(!tmp.exists());
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FileUtil.fullyDelete(partitioned, true);
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Assert.assertTrue(!partitioned.exists());
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}
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@Test (timeout = 30000)
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public void testFullyDelete() throws IOException {
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setupDirs();
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boolean ret = FileUtil.fullyDelete(del);
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Assert.assertTrue(ret);
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Assert.assertFalse(del.exists());
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@ -267,8 +277,6 @@ public void testFullyDelete() throws IOException {
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*/
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@Test (timeout = 30000)
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public void testFullyDeleteSymlinks() throws IOException {
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setupDirs();
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File link = new File(del, LINK);
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Assert.assertEquals(5, del.list().length);
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// Since tmpDir is symlink to tmp, fullyDelete(tmpDir) should not
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@ -297,7 +305,6 @@ public void testFullyDeleteSymlinks() throws IOException {
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*/
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@Test (timeout = 30000)
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public void testFullyDeleteDanglingSymlinks() throws IOException {
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setupDirs();
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// delete the directory tmp to make tmpDir a dangling link to dir tmp and
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// to make y as a dangling link to file tmp/x
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boolean ret = FileUtil.fullyDelete(tmp);
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@ -324,7 +331,6 @@ public void testFullyDeleteDanglingSymlinks() throws IOException {
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@Test (timeout = 30000)
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public void testFullyDeleteContents() throws IOException {
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setupDirs();
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boolean ret = FileUtil.fullyDeleteContents(del);
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Assert.assertTrue(ret);
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Assert.assertTrue(del.exists());
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@ -338,15 +344,6 @@ private void validateTmpDir() {
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Assert.assertTrue(new File(tmp, FILE).exists());
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}
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private final File xSubDir = new File(del, "xSubDir");
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private final File xSubSubDir = new File(xSubDir, "xSubSubDir");
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private final File ySubDir = new File(del, "ySubDir");
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private static final String file1Name = "file1";
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private final File file2 = new File(xSubDir, "file2");
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private final File file22 = new File(xSubSubDir, "file22");
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private final File file3 = new File(ySubDir, "file3");
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private final File zlink = new File(del, "zlink");
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/**
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* Creates a directory which can not be deleted completely.
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*
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@ -368,36 +365,30 @@ private void validateTmpDir() {
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* @throws IOException
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*/
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private void setupDirsAndNonWritablePermissions() throws IOException {
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Assert.assertFalse("The directory del should not have existed!",
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del.exists());
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del.mkdirs();
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new MyFile(del, file1Name).createNewFile();
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new MyFile(del, FILE_1_NAME).createNewFile();
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// "file1" is non-deletable by default, see MyFile.delete().
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xSubDir.mkdirs();
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file2.createNewFile();
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xSubSubDir.mkdirs();
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file22.createNewFile();
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revokePermissions(file22);
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revokePermissions(xSubSubDir);
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revokePermissions(file2);
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revokePermissions(xSubDir);
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ySubDir.mkdirs();
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file3.createNewFile();
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Assert.assertFalse("The directory tmp should not have existed!",
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tmp.exists());
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tmp.mkdirs();
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File tmpFile = new File(tmp, FILE);
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tmpFile.createNewFile();
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FileUtil.symLink(tmpFile.toString(), zlink.toString());
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}
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private static void grantPermissions(final File f) {
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FileUtil.setReadable(f, true);
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FileUtil.setWritable(f, true);
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@ -419,7 +410,7 @@ private void validateAndSetWritablePermissions(
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Assert.assertFalse("The return value should have been false.", ret);
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Assert.assertTrue("The file file1 should not have been deleted.",
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new File(del, file1Name).exists());
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new File(del, FILE_1_NAME).exists());
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Assert.assertEquals(
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"The directory xSubDir *should* not have been deleted.",
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@ -447,7 +438,7 @@ public void testFailFullyDelete() throws IOException {
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boolean ret = FileUtil.fullyDelete(new MyFile(del));
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validateAndSetWritablePermissions(true, ret);
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}
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@Test (timeout = 30000)
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public void testFailFullyDeleteGrantPermissions() throws IOException {
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setupDirsAndNonWritablePermissions();
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@ -484,7 +475,7 @@ public MyFile(File parent, String child) {
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public boolean delete() {
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LOG.info("Trying to delete myFile " + getAbsolutePath());
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boolean bool = false;
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if (getName().equals(file1Name)) {
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if (getName().equals(FILE_1_NAME)) {
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bool = false;
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} else {
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bool = super.delete();
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@ -534,7 +525,7 @@ public void testFailFullyDeleteContentsGrantPermissions() throws IOException {
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// this time the directories with revoked permissions *should* be deleted:
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validateAndSetWritablePermissions(false, ret);
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}
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/**
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* Test that getDU is able to handle cycles caused due to symbolic links
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* and that directory sizes are not added to the final calculated size
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@ -542,9 +533,7 @@ public void testFailFullyDeleteContentsGrantPermissions() throws IOException {
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*/
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@Test (timeout = 30000)
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public void testGetDU() throws Exception {
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setupDirs();
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long du = FileUtil.getDU(TEST_DIR);
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long du = FileUtil.getDU(testFolder.getRoot());
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// Only two files (in partitioned). Each has 3 characters + system-specific
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// line separator.
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final long expected = 2 * (3 + System.getProperty("line.separator").length());
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@ -593,8 +582,6 @@ public void testGetDU() throws Exception {
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@Test (timeout = 30000)
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public void testUnTar() throws IOException {
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setupDirs();
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// make a simple tar:
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final File simpleTar = new File(del, FILE);
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OutputStream os = new FileOutputStream(simpleTar);
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@ -631,7 +618,6 @@ public void testUnTar() throws IOException {
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@Test (timeout = 30000)
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public void testReplaceFile() throws IOException {
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setupDirs();
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final File srcFile = new File(tmp, "src");
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// src exists, and target does not exist:
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@ -673,7 +659,6 @@ public void testReplaceFile() throws IOException {
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@Test (timeout = 30000)
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public void testCreateLocalTempFile() throws IOException {
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setupDirs();
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final File baseFile = new File(tmp, "base");
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File tmp1 = FileUtil.createLocalTempFile(baseFile, "foo", false);
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File tmp2 = FileUtil.createLocalTempFile(baseFile, "foo", true);
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@ -689,8 +674,7 @@ public void testCreateLocalTempFile() throws IOException {
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@Test (timeout = 30000)
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public void testUnZip() throws IOException {
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setupDirs();
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// make a simple zip
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// make sa simple zip
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final File simpleZip = new File(del, FILE);
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OutputStream os = new FileOutputStream(simpleZip);
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ZipOutputStream tos = new ZipOutputStream(os);
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@ -726,7 +710,6 @@ public void testUnZip() throws IOException {
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@Test (timeout = 30000)
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public void testUnZip2() throws IOException {
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setupDirs();
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// make a simple zip
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final File simpleZip = new File(del, FILE);
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OutputStream os = new FileOutputStream(simpleZip);
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@ -757,8 +740,6 @@ public void testUnZip2() throws IOException {
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* Test method copy(FileSystem srcFS, Path src, File dst, boolean deleteSource, Configuration conf)
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*/
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public void testCopy5() throws IOException {
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setupDirs();
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URI uri = tmp.toURI();
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Configuration conf = new Configuration();
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FileSystem fs = FileSystem.newInstance(uri, conf);
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@ -848,9 +829,6 @@ public void testStat2Paths2() {
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@Test (timeout = 30000)
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public void testSymlink() throws Exception {
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Assert.assertFalse(del.exists());
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del.mkdirs();
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byte[] data = "testSymLink".getBytes();
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File file = new File(del, FILE);
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@ -883,9 +861,6 @@ public void testSymlink() throws Exception {
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*/
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@Test (timeout = 30000)
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public void testSymlinkRenameTo() throws Exception {
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Assert.assertFalse(del.exists());
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del.mkdirs();
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File file = new File(del, FILE);
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file.createNewFile();
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File link = new File(del, "_link");
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@ -915,9 +890,6 @@ public void testSymlinkRenameTo() throws Exception {
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*/
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@Test (timeout = 30000)
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public void testSymlinkDelete() throws Exception {
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Assert.assertFalse(del.exists());
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del.mkdirs();
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File file = new File(del, FILE);
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file.createNewFile();
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File link = new File(del, "_link");
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@ -939,9 +911,6 @@ public void testSymlinkDelete() throws Exception {
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*/
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@Test (timeout = 30000)
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public void testSymlinkLength() throws Exception {
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Assert.assertFalse(del.exists());
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del.mkdirs();
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byte[] data = "testSymLinkData".getBytes();
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File file = new File(del, FILE);
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@ -978,9 +947,6 @@ public void testSymlinkLength() throws Exception {
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*/
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@Test
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public void testSymlinkWithNullInput() throws IOException {
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Assert.assertFalse(del.exists());
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del.mkdirs();
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File file = new File(del, FILE);
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File link = new File(del, "_link");
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@ -998,9 +964,6 @@ public void testSymlinkWithNullInput() throws IOException {
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// The operation should fail and returns 1
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result = FileUtil.symLink(null, link.getAbsolutePath());
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Assert.assertEquals(1, result);
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file.delete();
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link.delete();
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}
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/**
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@ -1011,9 +974,6 @@ public void testSymlinkWithNullInput() throws IOException {
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*/
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@Test
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public void testSymlinkFileAlreadyExists() throws IOException {
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Assert.assertFalse(del.exists());
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del.mkdirs();
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File file = new File(del, FILE);
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File link = new File(del, "_link");
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@ -1029,9 +989,6 @@ public void testSymlinkFileAlreadyExists() throws IOException {
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result1 = FileUtil.symLink(file.getAbsolutePath(), link.getAbsolutePath());
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Assert.assertEquals(1, result1);
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file.delete();
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link.delete();
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}
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/**
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@ -1043,19 +1000,16 @@ public void testSymlinkFileAlreadyExists() throws IOException {
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*/
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@Test
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public void testSymlinkSameFile() throws IOException {
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Assert.assertFalse(del.exists());
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del.mkdirs();
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File file = new File(del, FILE);
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file.delete();
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// Create a symbolic link
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// The operation should succeed
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int result =
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FileUtil.symLink(file.getAbsolutePath(), file.getAbsolutePath());
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Assert.assertEquals(0, result);
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file.delete();
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}
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/**
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@ -1067,8 +1021,6 @@ public void testSymlinkSameFile() throws IOException {
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*/
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@Test
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public void testSymlink2DifferentFile() throws IOException {
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Assert.assertFalse(del.exists());
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del.mkdirs();
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File file = new File(del, FILE);
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File fileSecond = new File(del, FILE + "_1");
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File link = new File(del, "_link");
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@ -1085,10 +1037,6 @@ public void testSymlink2DifferentFile() throws IOException {
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FileUtil.symLink(fileSecond.getAbsolutePath(), link.getAbsolutePath());
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Assert.assertEquals(1, result);
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file.delete();
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fileSecond.delete();
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link.delete();
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}
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/**
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@ -1100,8 +1048,6 @@ public void testSymlink2DifferentFile() throws IOException {
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*/
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@Test
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public void testSymlink2DifferentLinks() throws IOException {
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Assert.assertFalse(del.exists());
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del.mkdirs();
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File file = new File(del, FILE);
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File link = new File(del, "_link");
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File linkSecond = new File(del, "_link_1");
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@ -1118,10 +1064,6 @@ public void testSymlink2DifferentLinks() throws IOException {
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FileUtil.symLink(file.getAbsolutePath(), linkSecond.getAbsolutePath());
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Assert.assertEquals(0, result);
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file.delete();
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link.delete();
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linkSecond.delete();
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}
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private void doUntarAndVerify(File tarFile, File untarDir)
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@ -1166,10 +1108,6 @@ public void testUntar() throws IOException {
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@Test (timeout = 30000)
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public void testCreateJarWithClassPath() throws Exception {
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// setup test directory for files
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Assert.assertFalse(tmp.exists());
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Assert.assertTrue(tmp.mkdirs());
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// create files expected to match a wildcard
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List<File> wildcardMatches = Arrays.asList(new File(tmp, "wildcard1.jar"),
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new File(tmp, "wildcard2.jar"), new File(tmp, "wildcard3.JAR"),
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@ -1258,9 +1196,6 @@ public void testGetJarsInDirectory() throws Exception {
|
||||
assertTrue("no jars should be returned for a bogus path",
|
||||
jars.isEmpty());
|
||||
|
||||
// setup test directory for files
|
||||
assertFalse(tmp.exists());
|
||||
assertTrue(tmp.mkdirs());
|
||||
|
||||
// create jar files to be returned
|
||||
File jar1 = new File(tmp, "wildcard1.jar");
|
||||
@ -1366,7 +1301,6 @@ public void testCompareFsDirectories() throws Exception {
|
||||
|
||||
@Test(timeout = 8000)
|
||||
public void testCreateSymbolicLinkUsingJava() throws IOException {
|
||||
setupDirs();
|
||||
final File simpleTar = new File(del, FILE);
|
||||
OutputStream os = new FileOutputStream(simpleTar);
|
||||
TarArchiveOutputStream tos = new TarArchiveOutputStream(os);
|
||||
@ -1460,9 +1394,6 @@ public void testReadSymlinkWithNullInput() {
|
||||
*/
|
||||
@Test
|
||||
public void testReadSymlink() throws IOException {
|
||||
Assert.assertFalse(del.exists());
|
||||
del.mkdirs();
|
||||
|
||||
File file = new File(del, FILE);
|
||||
File link = new File(del, "_link");
|
||||
|
||||
@ -1471,9 +1402,6 @@ public void testReadSymlink() throws IOException {
|
||||
|
||||
String result = FileUtil.readLink(link);
|
||||
Assert.assertEquals(file.getAbsolutePath(), result);
|
||||
|
||||
file.delete();
|
||||
link.delete();
|
||||
}
|
||||
|
||||
/**
|
||||
@ -1484,9 +1412,6 @@ public void testReadSymlink() throws IOException {
|
||||
*/
|
||||
@Test
|
||||
public void testReadSymlinkWithAFileAsInput() throws IOException {
|
||||
Assert.assertFalse(del.exists());
|
||||
del.mkdirs();
|
||||
|
||||
File file = new File(del, FILE);
|
||||
|
||||
String result = FileUtil.readLink(file);
|
||||
@ -1500,8 +1425,6 @@ public void testReadSymlinkWithAFileAsInput() throws IOException {
|
||||
*/
|
||||
@Test
|
||||
public void testWriteBytesFileSystem() throws IOException {
|
||||
setupDirs();
|
||||
|
||||
URI uri = tmp.toURI();
|
||||
Configuration conf = new Configuration();
|
||||
FileSystem fs = FileSystem.get(uri, conf);
|
||||
@ -1522,8 +1445,6 @@ public void testWriteBytesFileSystem() throws IOException {
|
||||
*/
|
||||
@Test
|
||||
public void testWriteStringsFileSystem() throws IOException {
|
||||
setupDirs();
|
||||
|
||||
URI uri = tmp.toURI();
|
||||
Configuration conf = new Configuration();
|
||||
FileSystem fs = FileSystem.get(uri, conf);
|
||||
@ -1544,8 +1465,6 @@ public void testWriteStringsFileSystem() throws IOException {
|
||||
*/
|
||||
@Test
|
||||
public void testWriteStringFileSystem() throws IOException {
|
||||
setupDirs();
|
||||
|
||||
URI uri = tmp.toURI();
|
||||
Configuration conf = new Configuration();
|
||||
FileSystem fs = FileSystem.get(uri, conf);
|
||||
@ -1567,8 +1486,6 @@ public void testWriteStringFileSystem() throws IOException {
|
||||
*/
|
||||
@Test
|
||||
public void testWriteStringNoCharSetFileSystem() throws IOException {
|
||||
setupDirs();
|
||||
|
||||
URI uri = tmp.toURI();
|
||||
Configuration conf = new Configuration();
|
||||
FileSystem fs = FileSystem.get(uri, conf);
|
||||
@ -1588,8 +1505,6 @@ public void testWriteStringNoCharSetFileSystem() throws IOException {
|
||||
*/
|
||||
@Test
|
||||
public void testWriteBytesFileContext() throws IOException {
|
||||
setupDirs();
|
||||
|
||||
URI uri = tmp.toURI();
|
||||
Configuration conf = new Configuration();
|
||||
FileContext fc = FileContext.getFileContext(uri, conf);
|
||||
@ -1610,8 +1525,6 @@ public void testWriteBytesFileContext() throws IOException {
|
||||
*/
|
||||
@Test
|
||||
public void testWriteStringsFileContext() throws IOException {
|
||||
setupDirs();
|
||||
|
||||
URI uri = tmp.toURI();
|
||||
Configuration conf = new Configuration();
|
||||
FileContext fc = FileContext.getFileContext(uri, conf);
|
||||
@ -1632,8 +1545,6 @@ public void testWriteStringsFileContext() throws IOException {
|
||||
*/
|
||||
@Test
|
||||
public void testWriteStringFileContext() throws IOException {
|
||||
setupDirs();
|
||||
|
||||
URI uri = tmp.toURI();
|
||||
Configuration conf = new Configuration();
|
||||
FileContext fc = FileContext.getFileContext(uri, conf);
|
||||
@ -1655,8 +1566,6 @@ public void testWriteStringFileContext() throws IOException {
|
||||
*/
|
||||
@Test
|
||||
public void testWriteStringNoCharSetFileContext() throws IOException {
|
||||
setupDirs();
|
||||
|
||||
URI uri = tmp.toURI();
|
||||
Configuration conf = new Configuration();
|
||||
FileContext fc = FileContext.getFileContext(uri, conf);
|
||||
|
||||
Loading…
Reference in New Issue
Block a user