| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.apache.hadoop.hdfs.server.namenode; |
| |
| import static org.junit.Assert.*; |
| |
| import static org.mockito.Mockito.doReturn; |
| import static org.mockito.Mockito.spy; |
| |
| import java.io.File; |
| import java.io.IOException; |
| import java.util.List; |
| |
| import org.apache.commons.logging.Log; |
| import org.apache.commons.logging.LogFactory; |
| import org.apache.hadoop.hdfs.server.common.Storage.StorageDirectory; |
| import org.apache.hadoop.hdfs.server.namenode.NNStorage.NameNodeDirType; |
| import static org.apache.hadoop.hdfs.server.namenode.NNStorage.getInProgressEditsFileName; |
| import static org.apache.hadoop.hdfs.server.namenode.NNStorage.getFinalizedEditsFileName; |
| import static org.apache.hadoop.hdfs.server.namenode.NNStorage.getImageFileName; |
| |
| import org.apache.hadoop.hdfs.server.namenode.FileJournalManager.EditLogFile; |
| import org.apache.hadoop.hdfs.server.namenode.FSImageStorageInspector.FSImageFile; |
| import org.junit.Test; |
| import org.mockito.Mockito; |
| |
| public class TestFSImageStorageInspector { |
| private static final Log LOG = LogFactory.getLog( |
| TestFSImageStorageInspector.class); |
| |
| /** |
| * Simple test with image, edits, and inprogress edits |
| */ |
| @Test |
| public void testCurrentStorageInspector() throws IOException { |
| FSImageTransactionalStorageInspector inspector = |
| new FSImageTransactionalStorageInspector(); |
| |
| StorageDirectory mockDir = FSImageTestUtil.mockStorageDirectory( |
| NameNodeDirType.IMAGE_AND_EDITS, |
| false, |
| "/foo/current/" + getImageFileName(123), |
| "/foo/current/" + getFinalizedEditsFileName(123, 456), |
| "/foo/current/" + getImageFileName(456), |
| "/foo/current/" + getInProgressEditsFileName(457)); |
| |
| inspector.inspectDirectory(mockDir); |
| assertEquals(2, inspector.foundImages.size()); |
| |
| FSImageFile latestImage = inspector.getLatestImage(); |
| assertEquals(456, latestImage.txId); |
| assertSame(mockDir, latestImage.sd); |
| assertTrue(inspector.isUpgradeFinalized()); |
| |
| assertEquals(new File("/foo/current/"+getImageFileName(456)), |
| latestImage.getFile()); |
| } |
| } |