| /* |
| * 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.hdds.server; |
| |
| import org.apache.commons.io.FileUtils; |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.hdds.HddsConfigKeys; |
| import org.apache.hadoop.hdds.conf.OzoneConfiguration; |
| import org.apache.hadoop.hdds.scm.ScmConfigKeys; |
| import org.apache.hadoop.test.PathUtils; |
| import org.junit.Rule; |
| import org.junit.Test; |
| import org.junit.rules.ExpectedException; |
| |
| import java.io.File; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertFalse; |
| import static org.junit.Assert.assertTrue; |
| |
| /** |
| * Unit tests for {@link ServerUtils}. |
| */ |
| public class TestServerUtils { |
| |
| @Rule |
| public ExpectedException thrown = ExpectedException.none(); |
| |
| /** |
| * Test {@link ServerUtils#getScmDbDir}. |
| */ |
| @Test |
| public void testGetScmDbDir() { |
| final File testDir = PathUtils.getTestDir(TestServerUtils.class); |
| final File dbDir = new File(testDir, "scmDbDir"); |
| final File metaDir = new File(testDir, "metaDir"); |
| final Configuration conf = new OzoneConfiguration(); |
| conf.set(ScmConfigKeys.OZONE_SCM_DB_DIRS, dbDir.getPath()); |
| conf.set(HddsConfigKeys.OZONE_METADATA_DIRS, metaDir.getPath()); |
| |
| try { |
| assertFalse(metaDir.exists()); |
| assertFalse(dbDir.exists()); |
| assertEquals(dbDir, ServerUtils.getScmDbDir(conf)); |
| assertTrue(dbDir.exists()); |
| assertFalse(metaDir.exists()); |
| } finally { |
| FileUtils.deleteQuietly(dbDir); |
| } |
| } |
| |
| /** |
| * Test {@link ServerUtils#getScmDbDir} with fallback to OZONE_METADATA_DIRS |
| * when OZONE_SCM_DB_DIRS is undefined. |
| */ |
| @Test |
| public void testGetScmDbDirWithFallback() { |
| final File testDir = PathUtils.getTestDir(TestServerUtils.class); |
| final File metaDir = new File(testDir, "metaDir"); |
| final Configuration conf = new OzoneConfiguration(); |
| conf.set(HddsConfigKeys.OZONE_METADATA_DIRS, metaDir.getPath()); |
| try { |
| assertFalse(metaDir.exists()); |
| assertEquals(metaDir, ServerUtils.getScmDbDir(conf)); |
| assertTrue(metaDir.exists()); |
| } finally { |
| FileUtils.deleteQuietly(metaDir); |
| } |
| } |
| |
| @Test |
| public void testNoScmDbDirConfigured() { |
| thrown.expect(IllegalArgumentException.class); |
| ServerUtils.getScmDbDir(new OzoneConfiguration()); |
| } |
| |
| @Test |
| public void ozoneMetadataDirIsMandatory() { |
| thrown.expect(IllegalArgumentException.class); |
| ServerUtils.getOzoneMetaDirPath(new OzoneConfiguration()); |
| } |
| |
| @Test |
| public void ozoneMetadataDirAcceptsSingleItem() { |
| final File testDir = PathUtils.getTestDir(TestServerUtils.class); |
| final File metaDir = new File(testDir, "metaDir"); |
| final Configuration conf = new OzoneConfiguration(); |
| conf.set(HddsConfigKeys.OZONE_METADATA_DIRS, metaDir.getPath()); |
| |
| try { |
| assertFalse(metaDir.exists()); |
| assertEquals(metaDir, ServerUtils.getOzoneMetaDirPath(conf)); |
| assertTrue(metaDir.exists()); |
| } finally { |
| FileUtils.deleteQuietly(metaDir); |
| } |
| } |
| |
| @Test |
| public void ozoneMetadataDirRejectsList() { |
| final Configuration conf = new OzoneConfiguration(); |
| conf.set(HddsConfigKeys.OZONE_METADATA_DIRS, "/data/meta1,/data/meta2"); |
| thrown.expect(IllegalArgumentException.class); |
| |
| ServerUtils.getOzoneMetaDirPath(conf); |
| } |
| |
| } |