| /* |
| * 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; |
| |
| import org.apache.hadoop.fs.FileStatus; |
| import org.apache.hadoop.fs.Path; |
| import org.apache.hadoop.fs.swift.snative.SwiftFileStatus; |
| import org.apache.hadoop.fs.swift.util.SwiftTestUtils; |
| import org.junit.Test; |
| |
| import java.io.FileNotFoundException; |
| |
| /** |
| * Test swift-specific directory logic. |
| * This class is HDFS-1 compatible; its designed to be subclases by something |
| * with HDFS2 extensions |
| */ |
| public class TestSwiftFileSystemDirectories extends SwiftFileSystemBaseTest { |
| |
| /** |
| * Asserts that a zero byte file has a status of file and not |
| * directory or symlink |
| * |
| * @throws Exception on failures |
| */ |
| @Test(timeout = SWIFT_TEST_TIMEOUT) |
| public void testZeroByteFilesAreDirectories() throws Exception { |
| Path src = path("/test/testZeroByteFilesAreFiles"); |
| //create a zero byte file |
| SwiftTestUtils.touch(fs, src); |
| SwiftTestUtils.assertIsDirectory(fs, src); |
| } |
| |
| @Test(timeout = SWIFT_TEST_TIMEOUT) |
| public void testNoStatusForMissingDirectories() throws Throwable { |
| Path missing = path("/test/testNoStatusForMissingDirectories"); |
| assertPathDoesNotExist("leftover?", missing); |
| try { |
| FileStatus[] statuses = fs.listStatus(missing); |
| //not expected |
| fail("Expected a FileNotFoundException, got the status " + statuses); |
| } catch (FileNotFoundException expected) { |
| //expected |
| } |
| } |
| |
| /** |
| * test that a dir off root has a listStatus() call that |
| * works as expected. and that when a child is added. it changes |
| * |
| * @throws Exception on failures |
| */ |
| @Test(timeout = SWIFT_TEST_TIMEOUT) |
| public void testDirectoriesOffRootHaveMatchingFileStatus() throws Exception { |
| Path test = path("/test"); |
| fs.delete(test, true); |
| mkdirs(test); |
| assertExists("created test directory", test); |
| FileStatus[] statuses = fs.listStatus(test); |
| String statusString = statusToString(test.toString(), statuses); |
| assertEquals("Wrong number of elements in file status " + statusString, 0, |
| statuses.length); |
| |
| Path src = path("/test/file"); |
| |
| //create a zero byte file |
| SwiftTestUtils.touch(fs, src); |
| //stat it |
| statuses = fs.listStatus(test); |
| statusString = statusToString(test.toString(), statuses); |
| assertEquals("Wrong number of elements in file status " + statusString, 1, |
| statuses.length); |
| SwiftFileStatus stat = (SwiftFileStatus) statuses[0]; |
| assertTrue("isDir(): Not a directory: " + stat, stat.isDir()); |
| extraStatusAssertions(stat); |
| } |
| |
| /** |
| * test that a dir two levels down has a listStatus() call that |
| * works as expected. |
| * |
| * @throws Exception on failures |
| */ |
| @Test(timeout = SWIFT_TEST_TIMEOUT) |
| public void testDirectoriesLowerDownHaveMatchingFileStatus() throws Exception { |
| Path test = path("/test/testDirectoriesLowerDownHaveMatchingFileStatus"); |
| fs.delete(test, true); |
| mkdirs(test); |
| assertExists("created test sub directory", test); |
| FileStatus[] statuses = fs.listStatus(test); |
| String statusString = statusToString(test.toString(), statuses); |
| assertEquals("Wrong number of elements in file status " + statusString,0, |
| statuses.length); |
| } |
| |
| private String statusToString(String pathname, |
| FileStatus[] statuses) { |
| assertNotNull(statuses); |
| return SwiftTestUtils.dumpStats(pathname,statuses); |
| } |
| |
| /** |
| * method for subclasses to add extra assertions |
| * @param stat status to look at |
| */ |
| protected void extraStatusAssertions(SwiftFileStatus stat) { |
| |
| } |
| |
| /** |
| * Asserts that a zero byte file has a status of file and not |
| * directory or symlink |
| * |
| * @throws Exception on failures |
| */ |
| @Test(timeout = SWIFT_TEST_TIMEOUT) |
| public void testMultiByteFilesAreFiles() throws Exception { |
| Path src = path("/test/testMultiByteFilesAreFiles"); |
| SwiftTestUtils.writeTextFile(fs, src, "testMultiByteFilesAreFiles", false); |
| assertIsFile(src); |
| FileStatus status = fs.getFileStatus(src); |
| assertFalse(status.isDir()); |
| } |
| |
| } |