| /** |
| * 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.fs; |
| |
| import static org.junit.Assert.assertArrayEquals; |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertNotNull; |
| |
| import org.junit.Test; |
| |
| public class TestBlockLocation { |
| |
| private static final String[] EMPTY_STR_ARRAY = new String[0]; |
| private static final StorageType[] EMPTY_STORAGE_TYPE_ARRAY = |
| new StorageType[0]; |
| |
| private static void checkBlockLocation(final BlockLocation loc) |
| throws Exception { |
| checkBlockLocation(loc, 0, 0, false); |
| } |
| |
| private static void checkBlockLocation(final BlockLocation loc, |
| final long offset, final long length, final boolean corrupt) |
| throws Exception { |
| checkBlockLocation(loc, EMPTY_STR_ARRAY, EMPTY_STR_ARRAY, EMPTY_STR_ARRAY, |
| EMPTY_STR_ARRAY, EMPTY_STR_ARRAY, EMPTY_STORAGE_TYPE_ARRAY, offset, |
| length, corrupt); |
| } |
| |
| private static void checkBlockLocation(final BlockLocation loc, |
| String[] names, String[] hosts, String[] cachedHosts, |
| String[] topologyPaths, |
| String[] storageIds, StorageType[] storageTypes, |
| final long offset, final long length, |
| final boolean corrupt) throws Exception { |
| assertNotNull(loc.getHosts()); |
| assertNotNull(loc.getCachedHosts()); |
| assertNotNull(loc.getNames()); |
| assertNotNull(loc.getTopologyPaths()); |
| assertNotNull(loc.getStorageIds()); |
| assertNotNull(loc.getStorageTypes()); |
| |
| assertArrayEquals(hosts, loc.getHosts()); |
| assertArrayEquals(cachedHosts, loc.getCachedHosts()); |
| assertArrayEquals(names, loc.getNames()); |
| assertArrayEquals(topologyPaths, loc.getTopologyPaths()); |
| assertArrayEquals(storageIds, loc.getStorageIds()); |
| assertArrayEquals(storageTypes, loc.getStorageTypes()); |
| |
| assertEquals(offset, loc.getOffset()); |
| assertEquals(length, loc.getLength()); |
| assertEquals(corrupt, loc.isCorrupt()); |
| } |
| |
| /** |
| * Call all the constructors and verify the delegation is working properly |
| */ |
| @Test(timeout = 5000) |
| public void testBlockLocationConstructors() throws Exception { |
| // |
| BlockLocation loc; |
| loc = new BlockLocation(); |
| checkBlockLocation(loc); |
| loc = new BlockLocation(null, null, 1, 2); |
| checkBlockLocation(loc, 1, 2, false); |
| loc = new BlockLocation(null, null, null, 1, 2); |
| checkBlockLocation(loc, 1, 2, false); |
| loc = new BlockLocation(null, null, null, 1, 2, true); |
| checkBlockLocation(loc, 1, 2, true); |
| loc = new BlockLocation(null, null, null, null, 1, 2, true); |
| checkBlockLocation(loc, 1, 2, true); |
| loc = new BlockLocation(null, null, null, null, null, null, 1, 2, true); |
| checkBlockLocation(loc, 1, 2, true); |
| } |
| |
| /** |
| * Call each of the setters and verify |
| */ |
| @Test(timeout = 5000) |
| public void testBlockLocationSetters() throws Exception { |
| BlockLocation loc; |
| loc = new BlockLocation(); |
| // Test that null sets the empty array |
| loc.setHosts(null); |
| loc.setCachedHosts(null); |
| loc.setNames(null); |
| loc.setTopologyPaths(null); |
| checkBlockLocation(loc); |
| // Test that not-null gets set properly |
| String[] names = new String[] { "name" }; |
| String[] hosts = new String[] { "host" }; |
| String[] cachedHosts = new String[] { "cachedHost" }; |
| String[] topologyPaths = new String[] { "path" }; |
| String[] storageIds = new String[] { "storageId" }; |
| StorageType[] storageTypes = new StorageType[] { StorageType.DISK }; |
| loc.setNames(names); |
| loc.setHosts(hosts); |
| loc.setCachedHosts(cachedHosts); |
| loc.setTopologyPaths(topologyPaths); |
| loc.setStorageIds(storageIds); |
| loc.setStorageTypes(storageTypes); |
| loc.setOffset(1); |
| loc.setLength(2); |
| loc.setCorrupt(true); |
| checkBlockLocation(loc, names, hosts, cachedHosts, topologyPaths, |
| storageIds, storageTypes, 1, 2, true); |
| } |
| } |