| /** |
| * 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 org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.fs.FileContext; |
| import org.apache.hadoop.fs.FileContextTestHelper; |
| import org.apache.hadoop.fs.FsConstants; |
| import org.apache.hadoop.fs.Path; |
| import org.apache.hadoop.fs.viewfs.ConfigUtil; |
| |
| |
| /** |
| * This class is for setup and teardown for viewFs so that |
| * it can be tested via the standard FileContext tests. |
| * |
| * If tests launched via ant (build.xml) the test root is absolute path |
| * If tests launched via eclipse, the test root is |
| * is a test dir below the working directory. (see FileContextTestHelper). |
| * Since viewFs has no built-in wd, its wd is /user/<username>. |
| * |
| * We set up fc to be the viewFs with mount point for |
| * /<firstComponent>" pointing to the local file system's testdir |
| */ |
| public class ViewFsTestSetup { |
| |
| |
| /* |
| * return the ViewFS File context to be used for tests |
| */ |
| static public FileContext setupForViewFsLocalFs() throws Exception { |
| /** |
| * create the test root on local_fs - the mount table will point here |
| */ |
| FileContext fclocal = FileContext.getLocalFSFileContext(); |
| Path targetOfTests = FileContextTestHelper.getTestRootPath(fclocal); |
| // In case previous test was killed before cleanup |
| fclocal.delete(targetOfTests, true); |
| |
| fclocal.mkdir(targetOfTests, FileContext.DEFAULT_PERM, true); |
| |
| String srcTestFirstDir; |
| if (FileContextTestHelper.TEST_ROOT_DIR.startsWith("/")) { |
| int indexOf2ndSlash = FileContextTestHelper.TEST_ROOT_DIR.indexOf('/', 1); |
| srcTestFirstDir = FileContextTestHelper.TEST_ROOT_DIR.substring(0, indexOf2ndSlash); |
| } else { |
| srcTestFirstDir = "/user"; |
| |
| } |
| //System.out.println("srcTestFirstDir=" + srcTestFirstDir); |
| |
| // Set up the defaultMT in the config with mount point links |
| // The test dir is root is below /user/<userid> |
| Configuration conf = new Configuration(); |
| ConfigUtil.addLink(conf, srcTestFirstDir, |
| targetOfTests.toUri()); |
| |
| FileContext fc = FileContext.getFileContext(FsConstants.VIEWFS_URI, conf); |
| //System.out.println("SRCOfTests = "+ getTestRootPath(fc, "test")); |
| //System.out.println("TargetOfTests = "+ targetOfTests.toUri()); |
| return fc; |
| } |
| |
| /** |
| * |
| * delete the test directory in the target local fs |
| */ |
| static public void tearDownForViewFsLocalFs() throws Exception { |
| FileContext fclocal = FileContext.getLocalFSFileContext(); |
| Path targetOfTests = FileContextTestHelper.getTestRootPath(fclocal); |
| fclocal.delete(targetOfTests, true); |
| } |
| |
| } |