/*
* 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.InputStream;
import java.io.OutputStream;
import java.lang.Object;
import java.lang.Override;
import java.net.URI;
import java.nio.channels.SeekableByteChannel;
import java.nio.file.DirectoryStream;
import java.nio.file.FileSystem;
import java.nio.file.Files;
import java.nio.file.Path;
import org.apache.lucene.mockfile.HandleTrackingFS;
import org.apache.lucene.mockfile.LeakFS;
/** Basic tests for HandleTrackingFS */
public class TestHandleTrackingFS extends MockFileSystemTestCase {
@Override
protected Path wrap(Path path) {
FileSystem fs = new LeakFS(path.getFileSystem()).getFileSystem(URI.create("file:///"));
return new FilterPath(path, fs);
}
/** Test that the delegate gets closed on exception in HandleTrackingFS#onClose */
public void testOnCloseThrowsException() throws IOException {
Path path = wrap(createTempDir()); // we are using LeakFS under the hood if we don't get closed the test fails
FileSystem fs = new HandleTrackingFS("test://", path.getFileSystem()) {
@Override
protected void onClose(Path path, Object stream) throws IOException {
throw new IOException("boom");
}
@Override
protected void onOpen(Path path, Object stream) throws IOException {
//
}
}.getFileSystem(URI.create("file:///"));
Path dir = new FilterPath(path, fs);
OutputStream file = Files.newOutputStream(dir.resolve("somefile"));
file.write(5);
try {
file.close();
fail("expected IOException");
} catch (IOException ex) {
// expected
}
SeekableByteChannel channel = Files.newByteChannel(dir.resolve("somefile"));
try {
channel.close();
fail("expected IOException");
} catch (IOException ex) {
// expected
}
InputStream stream = Files.newInputStream(dir.resolve("somefile"));
try {
stream.close();
fail("expected IOException");
} catch (IOException ex) {
// expected
}
fs.close();
DirectoryStream<Path> dirStream = Files.newDirectoryStream(dir);
try {
dirStream.close();
fail("expected IOException");
} catch (IOException ex) {
// expected
}
}
/** Test that the delegate gets closed on exception in HandleTrackingFS#onOpen */
public void testOnOpenThrowsException() throws IOException {
Path path = wrap(createTempDir()); // we are using LeakFS under the hood if we don't get closed the test fails
FileSystem fs = new HandleTrackingFS("test://", path.getFileSystem()) {
@Override
protected void onClose(Path path, Object stream) throws IOException {
}
@Override
protected void onOpen(Path path, Object stream) throws IOException {
throw new IOException("boom");
}
}.getFileSystem(URI.create("file:///"));
Path dir = new FilterPath(path, fs);
try {
OutputStream file = Files.newOutputStream(dir.resolve("somefile"));
fail("expected IOException");
} catch (IOException ex) {
// expected
}
try {
SeekableByteChannel channel = Files.newByteChannel(dir.resolve("somefile"));
fail("expected IOException");
} catch (IOException ex) {
// expected
}
try {
InputStream stream = Files.newInputStream(dir.resolve("somefile"));
fail("expected IOException");
} catch (IOException ex) {
// expected
}
fs.close();
try {
DirectoryStream<Path> dirStream = Files.newDirectoryStream(dir);
fail("expected IOException");
} catch (IOException ex) {
// expected
}
fs.close();
}
}