@Test
public void testDeleteOnExit() throws Exception {
// Create deleteOnExit entries
Path file1 = helper.getTestRootPath(fc, "file1");
createFile(fc, file1, numBlocks, blockSize);
fc.deleteOnExit(file1);
checkDeleteOnExitData(1, fc, file1);
// Ensure shutdown hook is added
Assert.assertTrue(ShutdownHookManager.get().hasShutdownHook(FileContext.FINALIZER));
Path file2 = helper.getTestRootPath(fc, "dir1/file2");
createFile(fc, file2, numBlocks, blockSize);
fc.deleteOnExit(file2);
checkDeleteOnExitData(1, fc, file1, file2);
Path dir = helper.getTestRootPath(fc, "dir3/dir4/dir5/dir6");
createFile(fc, dir, numBlocks, blockSize);
fc.deleteOnExit(dir);
checkDeleteOnExitData(1, fc, file1, file2, dir);
// trigger deleteOnExit and ensure the registered
// paths are cleaned up
FileContext.FINALIZER.run();
checkDeleteOnExitData(0, fc, new Path[0]);
Assert.assertFalse(exists(fc, file1));
Assert.assertFalse(exists(fc, file2));
Assert.assertFalse(exists(fc, dir));
}
@Test
public void testCreateFile() throws IOException {
String fileNames[] = {
"testFile",
"test File",
"test*File",
"test#File",
"test1234",
"1234Test",
"test)File",
"test_File",
"()&^%$#@!~_+}{><?",
" ",
"^ "
};
for (String f : fileNames) {
// Create a file on fc2's file system using fc1
Path testPath = qualifiedPath(f, fc2);
// Ensure file does not exist
Assert.assertFalse(exists(fc2, testPath));
// Now create file
createFile(fc1, testPath);
// Ensure fc2 has the created file
Assert.assertTrue(exists(fc2, testPath));
}
}
@Test
public void testDeleteNonExistingFileInDir() throws IOException {
String testFileInDir = "testDir/testDir/TestFile";
Path testPath = qualifiedPath(testFileInDir, fc2);
// TestCase1 : Test delete on file never existed
// Ensure file does not exist
Assert.assertFalse(exists(fc2, testPath));
// Delete on non existing file should return false
Assert.assertFalse(fc2.delete(testPath, false));
// TestCase2 : Create , Delete , Delete file
// Create a file on fc2's file system using fc1
createFile(fc1, testPath);
// Ensure file exist
Assert.assertTrue(exists(fc2, testPath));
// Delete test file, deleting existing file should return true
Assert.assertTrue(fc2.delete(testPath, false));
// Ensure file does not exist
Assert.assertFalse(exists(fc2, testPath));
// Delete on non existing file should return false
Assert.assertFalse(fc2.delete(testPath, false));
}
@Test
public void testMkdirsFailsForSubdirectoryOfExistingFile() throws Exception {
Path testDir = qualifiedPath("test/hadoop", fc2);
Assert.assertFalse(exists(fc2, testDir));
fc2.mkdir(testDir, FsPermission.getDefault(), true);
Assert.assertTrue(exists(fc2, testDir));
// Create file on fc1 using fc2 context
createFile(fc1, qualifiedPath("test/hadoop/file", fc2));
Path testSubDir = qualifiedPath("test/hadoop/file/subdir", fc2);
try {
fc1.mkdir(testSubDir, FsPermission.getDefault(), true);
Assert.fail("Should throw IOException.");
} catch (IOException e) {
// expected
}
Assert.assertFalse(exists(fc1, testSubDir));
Path testDeepSubDir = qualifiedPath("test/hadoop/file/deep/sub/dir", fc1);
try {
fc2.mkdir(testDeepSubDir, FsPermission.getDefault(), true);
Assert.fail("Should throw IOException.");
} catch (IOException e) {
// expected
}
Assert.assertFalse(exists(fc1, testDeepSubDir));
}
@Test
public void testCreateExistingFile() throws IOException {
String fileName = "testFile";
Path testPath = qualifiedPath(fileName, fc2);
// Ensure file does not exist
Assert.assertFalse(exists(fc2, testPath));
// Create a file on fc2's file system using fc1
createFile(fc1, testPath);
// Create same file with fc1
try {
createFile(fc2, testPath);
Assert.fail("Create existing file should throw an IOException.");
} catch (IOException e) {
// expected
}
// Ensure fc2 has the created file
Assert.assertTrue(exists(fc2, testPath));
}
@Test
public void testFileStatus() throws IOException {
String fileName = "file1";
Path path2 = fc2.makeQualified(new Path(BASE, fileName));
// Create a file on fc2's file system using fc1
createFile(fc1, path2);
FsStatus fc2Status = fc2.getFsStatus(path2);
// FsStatus , used, free and capacity are non-negative longs
Assert.assertNotNull(fc2Status);
Assert.assertTrue(fc2Status.getCapacity() > 0);
Assert.assertTrue(fc2Status.getRemaining() > 0);
Assert.assertTrue(fc2Status.getUsed() > 0);
}
@Test
public void testModificationTime() throws IOException {
String testFile = "file1";
long fc2ModificationTime, fc1ModificationTime;
Path testPath = qualifiedPath(testFile, fc2);
// Create a file on fc2's file system using fc1
createFile(fc1, testPath);
// Get modification time using fc2 and fc1
fc1ModificationTime = fc1.getFileStatus(testPath).getModificationTime();
fc2ModificationTime = fc2.getFileStatus(testPath).getModificationTime();
// Ensure fc1 and fc2 reports same modification time
Assert.assertEquals(fc1ModificationTime, fc2ModificationTime);
}
@Test
public void testCreateFileWithNullName() throws IOException {
String fileName = null;
try {
Path testPath = qualifiedPath(fileName, fc2);
// Ensure file does not exist
Assert.assertFalse(exists(fc2, testPath));
// Create a file on fc2's file system using fc1
createFile(fc1, testPath);
Assert.fail("Create file with null name should throw IllegalArgumentException.");
} catch (IllegalArgumentException e) {
// expected
}
}
@Test
public void testCreateFileInNonExistingDirectory() throws IOException {
String fileName = "testDir/testFile";
Path testPath = qualifiedPath(fileName, fc2);
// Ensure file does not exist
Assert.assertFalse(exists(fc2, testPath));
// Create a file on fc2's file system using fc1
createFile(fc1, testPath);
// Ensure using fc2 that file is created
Assert.assertTrue(isDir(fc2, testPath.getParent()));
Assert.assertEquals("testDir", testPath.getParent().getName());
Assert.assertTrue(exists(fc2, testPath));
}
@Test
public void testDeleteFile() throws IOException {
Path testPath = qualifiedPath("testFile", fc2);
// Ensure file does not exist
Assert.assertFalse(exists(fc2, testPath));
// First create a file on file system using fc1
createFile(fc1, testPath);
// Ensure file exist
Assert.assertTrue(exists(fc2, testPath));
// Delete file using fc2
fc2.delete(testPath, false);
// Ensure fc2 does not have deleted file
Assert.assertFalse(exists(fc2, testPath));
}
public static void createFile(FileContext fc, Path path) throws IOException {
createFile(fc, path, DEFAULT_NUM_BLOCKS, CreateOpts.createParent());
}
public static void createFile(FileContext fc, Path path, int numBlocks, int blockSize)
throws IOException {
createFile(fc, path, numBlocks, CreateOpts.blockSize(blockSize), CreateOpts.createParent());
}
public static Path createFile(FileContext fc, String name) throws IOException {
Path path = getTestRootPath(fc, name);
createFile(fc, path);
return path;
}
