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From ctubb...@apache.org
Subject [12/14] Merge branch '1.5.1-SNAPSHOT' into 1.6.0-SNAPSHOT
Date Tue, 03 Dec 2013 21:18:50 GMT
http://git-wip-us.apache.org/repos/asf/accumulo/blob/8a34937a/server/tserver/src/test/java/org/apache/accumulo/tserver/log/MultiReaderTest.java
----------------------------------------------------------------------
diff --cc server/tserver/src/test/java/org/apache/accumulo/tserver/log/MultiReaderTest.java
index 168842e,0000000..53fb27c
mode 100644,000000..100644
--- a/server/tserver/src/test/java/org/apache/accumulo/tserver/log/MultiReaderTest.java
+++ b/server/tserver/src/test/java/org/apache/accumulo/tserver/log/MultiReaderTest.java
@@@ -1,149 -1,0 +1,147 @@@
 +/*
 + * 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.accumulo.tserver.log;
 +
 +import static org.junit.Assert.assertEquals;
 +import static org.junit.Assert.assertFalse;
 +import static org.junit.Assert.assertTrue;
 +
 +import java.io.File;
 +import java.io.IOException;
 +
 +import org.apache.accumulo.server.fs.VolumeManager;
 +import org.apache.accumulo.server.fs.VolumeManagerImpl;
 +import org.apache.hadoop.fs.FileSystem;
 +import org.apache.hadoop.fs.Path;
 +import org.apache.hadoop.io.BytesWritable;
 +import org.apache.hadoop.io.IntWritable;
 +import org.apache.hadoop.io.MapFile.Writer;
- import org.apache.log4j.Level;
- import org.apache.log4j.Logger;
 +import org.junit.After;
 +import org.junit.Before;
 +import org.junit.Test;
 +import org.junit.rules.TemporaryFolder;
 +
 +public class MultiReaderTest {
 +
 +  VolumeManager fs;
 +  TemporaryFolder root = new TemporaryFolder(new File(System.getProperty("user.dir") + "/target"));
 +
 +  @Before
 +  public void setUp() throws Exception {
 +    fs = VolumeManagerImpl.getLocal();
 +    root.create();
 +    String path = root.getRoot().getAbsolutePath();
 +    Path root = new Path("file://" + path + "/manyMaps");
 +    fs.mkdirs(root);
 +    fs.create(new Path(root, "finished")).close();
 +    FileSystem ns = fs.getDefaultVolume();
-     
++
 +    @SuppressWarnings("deprecation")
 +    Writer oddWriter = new Writer(ns.getConf(), ns, new Path(root, "odd").toString(), IntWritable.class,
BytesWritable.class);
 +    BytesWritable value = new BytesWritable("someValue".getBytes());
 +    for (int i = 1; i < 1000; i += 2) {
 +      oddWriter.append(new IntWritable(i), value);
 +    }
 +    oddWriter.close();
-     
++
 +    @SuppressWarnings("deprecation")
 +    Writer evenWriter = new Writer(ns.getConf(), ns, new Path(root, "even").toString(),
IntWritable.class, BytesWritable.class);
 +    for (int i = 0; i < 1000; i += 2) {
 +      if (i == 10)
 +        continue;
 +      evenWriter.append(new IntWritable(i), value);
 +    }
 +    evenWriter.close();
 +  }
 +
 +  @After
 +  public void tearDown() throws Exception {
 +    root.create();
 +  }
 +
 +  private void scan(MultiReader reader, int start) throws IOException {
 +    IntWritable key = new IntWritable();
 +    BytesWritable value = new BytesWritable();
 +
 +    for (int i = start + 1; i < 1000; i++) {
 +      if (i == 10)
 +        continue;
 +      assertTrue(reader.next(key, value));
 +      assertEquals(i, key.get());
 +    }
 +  }
 +
 +  private void scanOdd(MultiReader reader, int start) throws IOException {
 +    IntWritable key = new IntWritable();
 +    BytesWritable value = new BytesWritable();
 +
 +    for (int i = start + 2; i < 1000; i += 2) {
 +      assertTrue(reader.next(key, value));
 +      assertEquals(i, key.get());
 +    }
 +  }
 +
 +  @Test
 +  public void testMultiReader() throws IOException {
 +    Path manyMaps = new Path("file://" + root.getRoot().getAbsolutePath() + "/manyMaps");
 +    MultiReader reader = new MultiReader(fs, manyMaps);
 +    IntWritable key = new IntWritable();
 +    BytesWritable value = new BytesWritable();
 +
 +    for (int i = 0; i < 1000; i++) {
 +      if (i == 10)
 +        continue;
 +      assertTrue(reader.next(key, value));
 +      assertEquals(i, key.get());
 +    }
 +    assertEquals(value.compareTo(new BytesWritable("someValue".getBytes())), 0);
 +    assertFalse(reader.next(key, value));
 +
 +    key.set(500);
 +    assertTrue(reader.seek(key));
 +    scan(reader, 500);
 +    key.set(10);
 +    assertFalse(reader.seek(key));
 +    scan(reader, 10);
 +    key.set(1000);
 +    assertFalse(reader.seek(key));
 +    assertFalse(reader.next(key, value));
 +    key.set(-1);
 +    assertFalse(reader.seek(key));
 +    key.set(0);
 +    assertTrue(reader.next(key, value));
 +    assertEquals(0, key.get());
 +    reader.close();
 +
 +    fs.deleteRecursively(new Path(manyMaps, "even"));
 +    reader = new MultiReader(fs, manyMaps);
 +    key.set(501);
 +    assertTrue(reader.seek(key));
 +    scanOdd(reader, 501);
 +    key.set(1000);
 +    assertFalse(reader.seek(key));
 +    assertFalse(reader.next(key, value));
 +    key.set(-1);
 +    assertFalse(reader.seek(key));
 +    key.set(1);
 +    assertTrue(reader.next(key, value));
 +    assertEquals(1, key.get());
 +    reader.close();
 +
 +  }
 +
 +}


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