| /** |
| * 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.io.IOException; |
| import java.net.URI; |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.fs.FileSystem; |
| import org.apache.hadoop.fs.FileSystemTestHelper; |
| import org.apache.hadoop.fs.FsConstants; |
| import org.apache.hadoop.fs.LocalFileSystem; |
| import org.apache.hadoop.fs.Path; |
| import org.junit.*; |
| import static org.junit.Assert.*; |
| |
| /** |
| * Verify that viewfs propagates certain methods to the underlying fs |
| */ |
| public class TestViewFileSystemDelegation { //extends ViewFileSystemTestSetup { |
| static Configuration conf; |
| static FileSystem viewFs; |
| static FakeFileSystem fs1; |
| static FakeFileSystem fs2; |
| |
| @BeforeClass |
| public static void setup() throws Exception { |
| conf = ViewFileSystemTestSetup.createConfig(); |
| fs1 = setupFileSystem(new URI("fs1:/"), FakeFileSystem.class); |
| fs2 = setupFileSystem(new URI("fs2:/"), FakeFileSystem.class); |
| viewFs = FileSystem.get(FsConstants.VIEWFS_URI, conf); |
| } |
| |
| static FakeFileSystem setupFileSystem(URI uri, Class clazz) |
| throws Exception { |
| String scheme = uri.getScheme(); |
| conf.set("fs."+scheme+".impl", clazz.getName()); |
| FakeFileSystem fs = (FakeFileSystem)FileSystem.get(uri, conf); |
| assertEquals(uri, fs.getUri()); |
| Path targetPath = FileSystemTestHelper.getAbsoluteTestRootPath(fs); |
| ConfigUtil.addLink(conf, "/mounts/"+scheme, targetPath.toUri()); |
| return fs; |
| } |
| |
| @Test |
| public void testSanity() { |
| assertEquals("fs1:/", fs1.getUri().toString()); |
| assertEquals("fs2:/", fs2.getUri().toString()); |
| } |
| |
| @Test |
| public void testVerifyChecksum() throws Exception { |
| checkVerifyChecksum(false); |
| checkVerifyChecksum(true); |
| } |
| |
| void checkVerifyChecksum(boolean flag) { |
| viewFs.setVerifyChecksum(flag); |
| assertEquals(flag, fs1.getVerifyChecksum()); |
| assertEquals(flag, fs2.getVerifyChecksum()); |
| } |
| |
| static class FakeFileSystem extends LocalFileSystem { |
| boolean verifyChecksum = true; |
| URI uri; |
| |
| @Override |
| public void initialize(URI uri, Configuration conf) throws IOException { |
| super.initialize(uri, conf); |
| this.uri = uri; |
| } |
| |
| @Override |
| public URI getUri() { |
| return uri; |
| } |
| |
| @Override |
| public void setVerifyChecksum(boolean verifyChecksum) { |
| this.verifyChecksum = verifyChecksum; |
| } |
| |
| public boolean getVerifyChecksum(){ |
| return verifyChecksum; |
| } |
| } |
| } |