| /** |
| * 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.hbase.mob; |
| |
| import static org.junit.Assert.assertNotNull; |
| import static org.junit.Assert.assertNull; |
| import static org.junit.Assert.assertTrue; |
| |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.fs.FileSystem; |
| import org.apache.hadoop.fs.Path; |
| import org.apache.hadoop.hbase.Cell; |
| import org.apache.hadoop.hbase.HBaseClassTestRule; |
| import org.apache.hadoop.hbase.HBaseTestingUtility; |
| import org.apache.hadoop.hbase.KeyValue; |
| import org.apache.hadoop.hbase.KeyValue.Type; |
| import org.apache.hadoop.hbase.io.hfile.CacheConfig; |
| import org.apache.hadoop.hbase.io.hfile.HFileContext; |
| import org.apache.hadoop.hbase.io.hfile.HFileContextBuilder; |
| import org.apache.hadoop.hbase.regionserver.BloomType; |
| import org.apache.hadoop.hbase.regionserver.HStoreFile; |
| import org.apache.hadoop.hbase.regionserver.StoreFileScanner; |
| import org.apache.hadoop.hbase.regionserver.StoreFileWriter; |
| import org.apache.hadoop.hbase.testclassification.SmallTests; |
| import org.apache.hadoop.hbase.util.Bytes; |
| import org.junit.ClassRule; |
| import org.junit.Rule; |
| import org.junit.Test; |
| import org.junit.experimental.categories.Category; |
| import org.junit.rules.TestName; |
| |
| @Category(SmallTests.class) |
| public class TestMobFile { |
| |
| @ClassRule |
| public static final HBaseClassTestRule CLASS_RULE = |
| HBaseClassTestRule.forClass(TestMobFile.class); |
| |
| private static final HBaseTestingUtility TEST_UTIL = new HBaseTestingUtility(); |
| private Configuration conf = TEST_UTIL.getConfiguration(); |
| private CacheConfig cacheConf = new CacheConfig(conf); |
| @Rule |
| public TestName testName = new TestName(); |
| |
| @Test |
| public void testReadKeyValue() throws Exception { |
| Path testDir = TEST_UTIL.getDataTestDir(); |
| FileSystem fs = testDir.getFileSystem(conf); |
| HFileContext meta = new HFileContextBuilder().withBlockSize(8 * 1024).build(); |
| StoreFileWriter writer = new StoreFileWriter.Builder(conf, cacheConf, fs).withOutputDir(testDir) |
| .withFileContext(meta).build(); |
| String caseName = testName.getMethodName(); |
| MobTestUtil.writeStoreFile(writer, caseName); |
| |
| MobFile mobFile = |
| new MobFile(new HStoreFile(fs, writer.getPath(), conf, cacheConf, BloomType.NONE, true)); |
| byte[] family = Bytes.toBytes(caseName); |
| byte[] qualify = Bytes.toBytes(caseName); |
| |
| // Test the start key |
| byte[] startKey = Bytes.toBytes("aa"); // The start key bytes |
| KeyValue expectedKey = |
| new KeyValue(startKey, family, qualify, Long.MAX_VALUE, Type.Put, startKey); |
| KeyValue seekKey = expectedKey.createKeyOnly(false); |
| Cell cell = mobFile.readCell(seekKey, false).getCell(); |
| MobTestUtil.assertCellEquals(expectedKey, cell); |
| |
| // Test the end key |
| byte[] endKey = Bytes.toBytes("zz"); // The end key bytes |
| expectedKey = new KeyValue(endKey, family, qualify, Long.MAX_VALUE, Type.Put, endKey); |
| seekKey = expectedKey.createKeyOnly(false); |
| cell = mobFile.readCell(seekKey, false).getCell(); |
| MobTestUtil.assertCellEquals(expectedKey, cell); |
| |
| // Test the random key |
| byte[] randomKey = Bytes.toBytes(MobTestUtil.generateRandomString(2)); |
| expectedKey = new KeyValue(randomKey, family, qualify, Long.MAX_VALUE, Type.Put, randomKey); |
| seekKey = expectedKey.createKeyOnly(false); |
| cell = mobFile.readCell(seekKey, false).getCell(); |
| MobTestUtil.assertCellEquals(expectedKey, cell); |
| |
| // Test the key which is less than the start key |
| byte[] lowerKey = Bytes.toBytes("a1"); // Smaller than "aa" |
| expectedKey = new KeyValue(startKey, family, qualify, Long.MAX_VALUE, Type.Put, startKey); |
| seekKey = new KeyValue(lowerKey, family, qualify, Long.MAX_VALUE, Type.Put, lowerKey); |
| cell = mobFile.readCell(seekKey, false).getCell(); |
| MobTestUtil.assertCellEquals(expectedKey, cell); |
| |
| // Test the key which is more than the end key |
| byte[] upperKey = Bytes.toBytes("z{"); // Bigger than "zz" |
| seekKey = new KeyValue(upperKey, family, qualify, Long.MAX_VALUE, Type.Put, upperKey); |
| assertNull(mobFile.readCell(seekKey, false)); |
| } |
| |
| @Test |
| public void testGetScanner() throws Exception { |
| Path testDir = TEST_UTIL.getDataTestDir(); |
| FileSystem fs = testDir.getFileSystem(conf); |
| HFileContext meta = new HFileContextBuilder().withBlockSize(8*1024).build(); |
| StoreFileWriter writer = new StoreFileWriter.Builder(conf, cacheConf, fs) |
| .withOutputDir(testDir) |
| .withFileContext(meta) |
| .build(); |
| MobTestUtil.writeStoreFile(writer, testName.getMethodName()); |
| |
| MobFile mobFile = |
| new MobFile(new HStoreFile(fs, writer.getPath(), conf, cacheConf, BloomType.NONE, true)); |
| assertNotNull(mobFile.getScanner()); |
| assertTrue(mobFile.getScanner() instanceof StoreFileScanner); |
| } |
| } |