Examples with TestHdfs org.apache.hadoop.test.TestHdfs used on opensource projects

Example 21 with TestHdfs

use of org.apache.hadoop.test.TestHdfs in project hadoop by apache.

the class TestFileSystemAccessService method fileSystemExecutor.

@Test
@TestDir
@TestHdfs
public void fileSystemExecutor() throws Exception {
    String dir = TestDirHelper.getTestDir().getAbsolutePath();
    String services = StringUtils.join(",", Arrays.asList(InstrumentationService.class.getName(), SchedulerService.class.getName(), FileSystemAccessService.class.getName()));
    Configuration hadoopConf = new Configuration(false);
    hadoopConf.set(CommonConfigurationKeysPublic.FS_DEFAULT_NAME_KEY, TestHdfsHelper.getHdfsConf().get(CommonConfigurationKeysPublic.FS_DEFAULT_NAME_KEY));
    createHadoopConf(hadoopConf);
    Configuration conf = new Configuration(false);
    conf.set("server.services", services);
    conf.set("server.hadoop.filesystem.cache.purge.timeout", "0");
    Server server = new Server("server", dir, dir, dir, dir, conf);
    server.init();
    FileSystemAccess hadoop = server.get(FileSystemAccess.class);
    final FileSystem[] fsa = new FileSystem[1];
    hadoop.execute("u", hadoop.getFileSystemConfiguration(), new FileSystemAccess.FileSystemExecutor<Void>() {

        @Override
        public Void execute(FileSystem fs) throws IOException {
            fs.mkdirs(new Path("/tmp/foo"));
            fsa[0] = fs;
            return null;
        }
    });
    try {
        fsa[0].mkdirs(new Path("/tmp/foo"));
        Assert.fail();
    } catch (IOException ex) {
    } catch (Exception ex) {
        Assert.fail();
    }
    server.destroy();
}