diff --git a/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/fs/viewfs/TestViewFileSystemDelegation.java b/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/fs/viewfs/TestViewFileSystemDelegation.java new file mode 100644 index 0000000000..b9c0a087b3 --- /dev/null +++ b/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/fs/viewfs/TestViewFileSystemDelegation.java @@ -0,0 +1,102 @@ +/** + * 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.configWithViewfsScheme(); + 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; + } + } +}