@Test
public void createExistingDirectoryTest() throws Exception {
// create directory
mTree.createPath(TEST_URI, sDirectoryOptions);
// create again with allowExists true
mTree.createPath(TEST_URI, new CreatePathOptions.Builder().setAllowExists(true).build());
// create again with allowExists false
mThrown.expect(FileAlreadyExistsException.class);
mThrown.expectMessage(ExceptionMessage.FILE_ALREADY_EXISTS.getMessage(TEST_URI));
mTree.createPath(TEST_URI, new CreatePathOptions.Builder().setAllowExists(false).build());
}
@Test
public void createPathTest() throws Exception {
// save the last mod time of the root
long lastModTime = mTree.getRoot().getLastModificationTimeMs();
// sleep to ensure a different last modification time
CommonUtils.sleepMs(10);
// create nested directory
InodeTree.CreatePathResult createResult = mTree.createPath(NESTED_URI, sNestedDirectoryOptions);
List<Inode> modified = createResult.getModified();
List<Inode> created = createResult.getCreated();
// 1 modified directory
Assert.assertEquals(1, modified.size());
Assert.assertEquals("", modified.get(0).getName());
Assert.assertNotEquals(lastModTime, modified.get(0).getLastModificationTimeMs());
// 2 created directories
Assert.assertEquals(2, created.size());
Assert.assertEquals("nested", created.get(0).getName());
Assert.assertEquals("test", created.get(1).getName());
// save the last mod time of 'test'
lastModTime = created.get(1).getLastModificationTimeMs();
// sleep to ensure a different last modification time
CommonUtils.sleepMs(10);
// creating the directory path again results in no new inodes.
try {
createResult = mTree.createPath(NESTED_URI, sNestedDirectoryOptions);
Assert.assertTrue("createPath should throw FileAlreadyExistsException", false);
} catch (FileAlreadyExistsException faee) {
Assert.assertEquals(
faee.getMessage(), ExceptionMessage.FILE_ALREADY_EXISTS.getMessage(NESTED_URI));
}
// create a file
CreatePathOptions options =
new CreatePathOptions.Builder(MasterContext.getConf())
.setBlockSizeBytes(Constants.KB)
.setRecursive(true)
.build();
createResult = mTree.createPath(NESTED_FILE_URI, options);
modified = createResult.getModified();
created = createResult.getCreated();
// test directory was modified
Assert.assertEquals(1, modified.size());
Assert.assertEquals("test", modified.get(0).getName());
Assert.assertNotEquals(lastModTime, modified.get(0).getLastModificationTimeMs());
// file was created
Assert.assertEquals(1, created.size());
Assert.assertEquals("file", created.get(0).getName());
}