/*
 * Licensed to the University of California, Berkeley 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 tachyon.underfs.hdfs;

import org.apache.hadoop.conf.Configuration;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;

import tachyon.Constants;
import tachyon.conf.TachyonConf;
import tachyon.underfs.UnderFileSystem.UnderFSType;

/**
 * Tests {@link HdfsUnderFileSystem}.
 */
public final class HdfsUnderFileSystemTest {

  private HdfsUnderFileSystem mMockHdfsUnderFileSystem;

  @Before
  public final void before() throws Exception {
    mMockHdfsUnderFileSystem = new HdfsUnderFileSystem("file:///", new TachyonConf(), null);
  }

  @Test
  public void getUnderFSTypeTest() throws Exception {
    Assert.assertEquals(UnderFSType.HDFS, mMockHdfsUnderFileSystem.getUnderFSType());
  }

  @Test
  public void prepareConfigurationTest() throws Exception {
    TachyonConf tConf = new TachyonConf();
    Configuration hConf = new Configuration();
    mMockHdfsUnderFileSystem.prepareConfiguration("", tConf, hConf);
    Assert.assertEquals("org.apache.hadoop.hdfs.DistributedFileSystem", hConf.get("fs.hdfs.impl"));
    Assert.assertFalse(hConf.getBoolean("fs.hdfs.impl.disable.cache", false));
    Assert.assertNotNull(hConf.get(Constants.UNDERFS_HDFS_CONFIGURATION));
  }
}

@@ -1046,16 +1046,61 @@
 rFSType;
+%0Aimport tachyon.underfs.s3.S3UnderFileSystem;
 %0A%0A/**%0A *
@@ -1404,158 +1404,549 @@
 %0A%0A  
-@Test%0A  public void getUnderFSTypeTest() throws Exception %7B%0A    Assert.assertEquals(UnderFSType.HDFS, mMockHdfsUnderFileSystem.getUnderFSType());%0A  %7D%0A
+/**%0A   * Tests the %7B@link HdfsUnderFileSystem#getUnderFSType()%7D method.%0A   * Confirm the UnderFSType for HdfsUnderFileSystem%0A   *%0A   * @throws Exception%0A   */%0A  @Test%0A  public void getUnderFSTypeTest() throws Exception %7B%0A    Assert.assertEquals(UnderFSType.HDFS, mMockHdfsUnderFileSystem.getUnderFSType());%0A  %7D%0A%0A  /**%0A   * Tests the%0A   * %7B@link HdfsUnderFileSystem#prepareConfiguration(String, TachyonConf, Configuration)%7D method.%0A   *%0A   * Check the hdfs implements class and tachyon underfs config setting%0A   *%0A   * @throws Exception%0A   */
 %0A  @

add testcase javadocs