branch-0.23.1/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/fs/viewfs/TestViewFsWithAuthorityLocalFs.java

/**
 * 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.viewfs;


import java.net.URI;

import org.apache.hadoop.fs.FileContext;
import org.apache.hadoop.fs.FsConstants;
import org.apache.hadoop.fs.Path;

import org.junit.After;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;

/**
 * 
 * Test the ViewFsBaseTest using a viewfs with authority: 
 *    viewfs://mountTableName/
 *    ie the authority is used to load a mount table.
 *    The authority name used is "default"
 *
 */

public class TestViewFsWithAuthorityLocalFs extends ViewFsBaseTest {
  URI schemeWithAuthority;

  @Before
  public void setUp() throws Exception {
    // create the test root on local_fs
    fcTarget = FileContext.getLocalFSFileContext();
    super.setUp(); // this sets up conf (and fcView which we replace)
    
    // Now create a viewfs using a mount table called "default"
    // hence viewfs://default/
    schemeWithAuthority = 
      new URI(FsConstants.VIEWFS_SCHEME, "default", "/", null, null);
    fcView = FileContext.getFileContext(schemeWithAuthority, conf);  
  }

  @After
  public void tearDown() throws Exception {
    super.tearDown();
  }
  
  @Test
  public void testBasicPaths() {
      Assert.assertEquals(schemeWithAuthority,
          fcView.getDefaultFileSystem().getUri());
      Assert.assertEquals(fcView.makeQualified(
          new Path("/user/" + System.getProperty("user.name"))),
          fcView.getWorkingDirectory());
      Assert.assertEquals(fcView.makeQualified(
          new Path("/user/" + System.getProperty("user.name"))),
          fcView.getHomeDirectory());
      Assert.assertEquals(
          new Path("/foo/bar").makeQualified(schemeWithAuthority, null),
          fcView.makeQualified(new Path("/foo/bar")));
  }
}