| package org.apache.hadoop.hdfs; |
| |
| import static org.junit.Assert.assertNotNull; |
| import static org.junit.Assert.assertNull; |
| import static org.junit.Assert.assertTrue; |
| |
| import java.io.IOException; |
| |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.fs.Path; |
| import org.apache.hadoop.fs.permission.FsPermission; |
| import org.apache.hadoop.hdfs.server.namenode.ErasureCodingPolicyManager; |
| import org.apache.hadoop.hdfs.protocol.ErasureCodingPolicy; |
| import org.junit.After; |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| public class TestFileStatusWithECPolicy { |
| private MiniDFSCluster cluster; |
| private DistributedFileSystem fs; |
| private DFSClient client; |
| |
| @Before |
| public void before() throws IOException { |
| cluster = |
| new MiniDFSCluster.Builder(new Configuration()).numDataNodes(1).build(); |
| cluster.waitActive(); |
| fs = cluster.getFileSystem(); |
| client = fs.getClient(); |
| } |
| |
| @After |
| public void after() { |
| if (cluster != null) { |
| cluster.shutdown(); |
| } |
| } |
| |
| @Test |
| public void testFileStatusWithECPolicy() throws Exception { |
| // test directory doesn't have an EC policy |
| final Path dir = new Path("/foo"); |
| assertTrue(fs.mkdir(dir, FsPermission.getDirDefault())); |
| assertNull(client.getFileInfo(dir.toString()).getErasureCodingPolicy()); |
| // test file doesn't have an EC policy |
| final Path file = new Path(dir, "foo"); |
| fs.create(file).close(); |
| assertNull(client.getFileInfo(file.toString()).getErasureCodingPolicy()); |
| fs.delete(file, true); |
| |
| final ErasureCodingPolicy ecPolicy1 = ErasureCodingPolicyManager.getSystemDefaultPolicy(); |
| // set EC policy on dir |
| fs.setErasureCodingPolicy(dir, ecPolicy1); |
| final ErasureCodingPolicy ecPolicy2 = client.getFileInfo(dir.toUri().getPath()).getErasureCodingPolicy(); |
| assertNotNull(ecPolicy2); |
| assertTrue(ecPolicy1.equals(ecPolicy2)); |
| |
| // test file doesn't have an EC policy |
| fs.create(file).close(); |
| final ErasureCodingPolicy ecPolicy3 = |
| fs.getClient().getFileInfo(file.toUri().getPath()).getErasureCodingPolicy(); |
| assertNotNull(ecPolicy3); |
| assertTrue(ecPolicy1.equals(ecPolicy3)); |
| } |
| } |