| /* |
| * 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.lucene.mockfile; |
| |
| import java.io.IOException; |
| import java.io.OutputStream; |
| import java.net.URI; |
| import java.nio.channels.AsynchronousFileChannel; |
| import java.nio.channels.FileChannel; |
| import java.nio.channels.SeekableByteChannel; |
| import java.nio.file.FileSystem; |
| import java.nio.file.Files; |
| import java.nio.file.NoSuchFileException; |
| import java.nio.file.Path; |
| import java.nio.file.StandardOpenOption; |
| import java.util.Set; |
| import java.util.concurrent.ExecutorService; |
| import java.util.concurrent.Executors; |
| import java.util.concurrent.TimeUnit; |
| import java.util.concurrent.atomic.AtomicBoolean; |
| import org.apache.lucene.util.InfoStream; |
| import org.apache.lucene.util.NamedThreadFactory; |
| |
| /** Basic tests for VerboseFS */ |
| public class TestVerboseFS extends MockFileSystemTestCase { |
| |
| @Override |
| protected Path wrap(Path path) { |
| return wrap(path, InfoStream.NO_OUTPUT); |
| } |
| |
| Path wrap(Path path, InfoStream stream) { |
| FileSystem fs = |
| new VerboseFS(path.getFileSystem(), stream).getFileSystem(URI.create("file:///")); |
| return new FilterPath(path, fs); |
| } |
| |
| /** InfoStream that looks for a substring and indicates if it saw it */ |
| static class InfoStreamListener extends InfoStream { |
| /** True if we saw the message */ |
| final AtomicBoolean seenMessage = new AtomicBoolean(false); |
| /** Expected message */ |
| final String messageStartsWith; |
| |
| InfoStreamListener(String messageStartsWith) { |
| this.messageStartsWith = messageStartsWith; |
| } |
| |
| @Override |
| public void close() throws IOException {} |
| |
| @Override |
| public void message(String component, String message) { |
| if ("FS".equals(component) && message.startsWith(messageStartsWith)) { |
| seenMessage.set(true); |
| } |
| } |
| |
| @Override |
| public boolean isEnabled(String component) { |
| return true; |
| } |
| |
| boolean sawMessage() { |
| return seenMessage.get(); |
| } |
| } |
| |
| /** Test createDirectory */ |
| public void testCreateDirectory() throws IOException { |
| InfoStreamListener stream = new InfoStreamListener("createDirectory"); |
| Path dir = wrap(createTempDir(), stream); |
| Files.createDirectory(dir.resolve("subdir")); |
| assertTrue(stream.sawMessage()); |
| |
| expectThrows(IOException.class, () -> Files.createDirectory(dir.resolve("subdir"))); |
| } |
| |
| /** Test delete */ |
| public void testDelete() throws IOException { |
| InfoStreamListener stream = new InfoStreamListener("delete"); |
| Path dir = wrap(createTempDir(), stream); |
| Files.createFile(dir.resolve("foobar")); |
| Files.delete(dir.resolve("foobar")); |
| assertTrue(stream.sawMessage()); |
| |
| expectThrows(IOException.class, () -> Files.delete(dir.resolve("foobar"))); |
| } |
| |
| /** Test deleteIfExists */ |
| public void testDeleteIfExists() throws IOException { |
| InfoStreamListener stream = new InfoStreamListener("deleteIfExists"); |
| Path dir = wrap(createTempDir(), stream); |
| Files.createFile(dir.resolve("foobar")); |
| Files.deleteIfExists(dir.resolve("foobar")); |
| assertTrue(stream.sawMessage()); |
| |
| // no exception |
| Files.deleteIfExists(dir.resolve("foobar")); |
| } |
| |
| /** Test copy */ |
| public void testCopy() throws IOException { |
| InfoStreamListener stream = new InfoStreamListener("copy"); |
| Path dir = wrap(createTempDir(), stream); |
| Files.createFile(dir.resolve("foobar")); |
| Files.copy(dir.resolve("foobar"), dir.resolve("baz")); |
| assertTrue(stream.sawMessage()); |
| |
| expectThrows( |
| IOException.class, () -> Files.copy(dir.resolve("nonexistent"), dir.resolve("something"))); |
| } |
| |
| /** Test move */ |
| public void testMove() throws IOException { |
| InfoStreamListener stream = new InfoStreamListener("move"); |
| Path dir = wrap(createTempDir(), stream); |
| Files.createFile(dir.resolve("foobar")); |
| Files.move(dir.resolve("foobar"), dir.resolve("baz")); |
| assertTrue(stream.sawMessage()); |
| |
| expectThrows( |
| IOException.class, () -> Files.move(dir.resolve("nonexistent"), dir.resolve("something"))); |
| } |
| |
| /** Test newOutputStream */ |
| public void testNewOutputStream() throws IOException { |
| InfoStreamListener stream = new InfoStreamListener("newOutputStream"); |
| Path dir = wrap(createTempDir(), stream); |
| OutputStream file = Files.newOutputStream(dir.resolve("output")); |
| assertTrue(stream.sawMessage()); |
| file.close(); |
| |
| expectThrows( |
| IOException.class, |
| () -> Files.newOutputStream(dir.resolve("output"), StandardOpenOption.CREATE_NEW)); |
| } |
| |
| /** Test FileChannel.open */ |
| public void testFileChannel() throws IOException { |
| InfoStreamListener stream = new InfoStreamListener("newFileChannel"); |
| Path dir = wrap(createTempDir(), stream); |
| FileChannel channel = |
| FileChannel.open( |
| dir.resolve("foobar"), |
| StandardOpenOption.CREATE_NEW, |
| StandardOpenOption.READ, |
| StandardOpenOption.WRITE); |
| assertTrue(stream.sawMessage()); |
| channel.close(); |
| |
| expectThrows( |
| IOException.class, |
| () -> |
| FileChannel.open( |
| dir.resolve("foobar"), |
| StandardOpenOption.CREATE_NEW, |
| StandardOpenOption.READ, |
| StandardOpenOption.WRITE)); |
| } |
| |
| /** Test AsynchronousFileChannel.open */ |
| public void testAsyncFileChannel() throws IOException, InterruptedException { |
| InfoStreamListener stream = new InfoStreamListener("newAsynchronousFileChannel"); |
| Path dir = wrap(createTempDir(), stream); |
| |
| ExecutorService executorService = |
| Executors.newFixedThreadPool(1, new NamedThreadFactory("async-io")); |
| try { |
| Set<StandardOpenOption> opts = |
| Set.of(StandardOpenOption.CREATE_NEW, StandardOpenOption.READ, StandardOpenOption.WRITE); |
| AsynchronousFileChannel channel = |
| AsynchronousFileChannel.open(dir.resolve("foobar"), opts, executorService); |
| assertTrue(stream.sawMessage()); |
| channel.close(); |
| |
| expectThrows( |
| IOException.class, |
| () -> AsynchronousFileChannel.open(dir.resolve("foobar"), opts, executorService)); |
| |
| expectThrows( |
| NoSuchFileException.class, |
| () -> AsynchronousFileChannel.open(dir.resolve("doesNotExist.rip"))); |
| } finally { |
| executorService.shutdown(); |
| executorService.awaitTermination(5, TimeUnit.SECONDS); |
| } |
| } |
| |
| /** Test newByteChannel */ |
| public void testByteChannel() throws IOException { |
| InfoStreamListener stream = new InfoStreamListener("newByteChannel"); |
| Path dir = wrap(createTempDir(), stream); |
| SeekableByteChannel channel = |
| Files.newByteChannel( |
| dir.resolve("foobar"), |
| StandardOpenOption.CREATE_NEW, |
| StandardOpenOption.READ, |
| StandardOpenOption.WRITE); |
| assertTrue(stream.sawMessage()); |
| channel.close(); |
| |
| expectThrows( |
| IOException.class, |
| () -> |
| Files.newByteChannel( |
| dir.resolve("foobar"), |
| StandardOpenOption.CREATE_NEW, |
| StandardOpenOption.READ, |
| StandardOpenOption.WRITE)); |
| } |
| |
| /** Test that verbose does not corrupt file not found exceptions */ |
| public void testVerboseFSNoSuchFileException() { |
| Path dir = wrap(createTempDir()); |
| expectThrows( |
| NoSuchFileException.class, () -> FileChannel.open(dir.resolve("doesNotExist.rip"))); |
| expectThrows(NoSuchFileException.class, () -> Files.newByteChannel(dir.resolve("stillopen"))); |
| } |
| } |