| /* |
| * 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.swift.hdfs2; |
| |
| import org.apache.hadoop.fs.FileSystem; |
| import org.apache.hadoop.fs.LocatedFileStatus; |
| import org.apache.hadoop.fs.Path; |
| import org.apache.hadoop.fs.RemoteIterator; |
| import org.apache.hadoop.fs.swift.SwiftFileSystemBaseTest; |
| import org.apache.hadoop.fs.swift.util.SwiftTestUtils; |
| import org.junit.Test; |
| |
| import java.io.IOException; |
| |
| public class TestV2LsOperations extends SwiftFileSystemBaseTest { |
| |
| private Path[] testDirs; |
| |
| /** |
| * Setup creates dirs under test/hadoop |
| * @throws Exception |
| */ |
| @Override |
| public void setUp() throws Exception { |
| super.setUp(); |
| //delete the test directory |
| Path test = path("/test"); |
| fs.delete(test, true); |
| mkdirs(test); |
| } |
| |
| /** |
| * Create subdirectories and files under test/ for those tests |
| * that want them. Doing so adds overhead to setup and teardown, |
| * so should only be done for those tests that need them. |
| * @throws IOException on an IO problem |
| */ |
| private void createTestSubdirs() throws IOException { |
| testDirs = new Path[]{ |
| path("/test/hadoop/a"), |
| path("/test/hadoop/b"), |
| path("/test/hadoop/c/1"), |
| }; |
| assertPathDoesNotExist("test directory setup", testDirs[0]); |
| for (Path path : testDirs) { |
| mkdirs(path); |
| } |
| } |
| |
| /** |
| * To get this project to compile under Hadoop 1, this code needs to be |
| * commented out |
| * |
| * |
| * @param fs filesystem |
| * @param dir dir |
| * @param subdir subdir |
| * @param recursive recurse? |
| * @throws IOException IO problems |
| */ |
| public static void assertListFilesFinds(FileSystem fs, |
| Path dir, |
| Path subdir, |
| boolean recursive) throws IOException { |
| RemoteIterator<LocatedFileStatus> iterator = |
| fs.listFiles(dir, recursive); |
| boolean found = false; |
| int entries = 0; |
| StringBuilder builder = new StringBuilder(); |
| while (iterator.hasNext()) { |
| LocatedFileStatus next = iterator.next(); |
| entries++; |
| builder.append(next.toString()).append('\n'); |
| if (next.getPath().equals(subdir)) { |
| found = true; |
| } |
| } |
| assertTrue("Path " + subdir |
| + " not found in directory " + dir + " : " |
| + " entries=" + entries |
| + " content" |
| + builder.toString(), |
| found); |
| } |
| |
| @Test(timeout = SWIFT_TEST_TIMEOUT) |
| public void testListFilesRootDir() throws Throwable { |
| Path dir = path("/"); |
| Path child = new Path(dir, "test"); |
| fs.delete(child, true); |
| SwiftTestUtils.writeTextFile(fs, child, "text", false); |
| assertListFilesFinds(fs, dir, child, false); |
| } |
| |
| @Test(timeout = SWIFT_TEST_TIMEOUT) |
| public void testListFilesSubDir() throws Throwable { |
| createTestSubdirs(); |
| Path dir = path("/test/subdir"); |
| Path child = new Path(dir, "text.txt"); |
| SwiftTestUtils.writeTextFile(fs, child, "text", false); |
| assertListFilesFinds(fs, dir, child, false); |
| } |
| |
| @Test(timeout = SWIFT_TEST_TIMEOUT) |
| public void testListFilesRecursive() throws Throwable { |
| createTestSubdirs(); |
| Path dir = path("/test/recursive"); |
| Path child = new Path(dir, "hadoop/a/a.txt"); |
| SwiftTestUtils.writeTextFile(fs, child, "text", false); |
| assertListFilesFinds(fs, dir, child, true); |
| } |
| |
| } |