| /* |
| * 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.store; |
| |
| |
| import java.io.IOException; |
| import java.net.URI; |
| import java.nio.file.FileSystem; |
| import java.nio.file.Path; |
| |
| import org.apache.lucene.mockfile.FilterPath; |
| import org.apache.lucene.mockfile.WindowsFS; |
| import org.apache.lucene.util.Constants; |
| import org.apache.lucene.util.IOUtils; |
| |
| /** |
| * Tests SimpleFSDirectory |
| */ |
| public class TestSimpleFSDirectory extends BaseDirectoryTestCase { |
| |
| @Override |
| protected Directory getDirectory(Path path) throws IOException { |
| return new SimpleFSDirectory(path); |
| } |
| |
| public void testRenameWithPendingDeletes() throws IOException { |
| Path path = createTempDir(); |
| // irony: currently we don't emulate windows well enough to work on windows! |
| assumeFalse("windows is not supported", Constants.WINDOWS); |
| // Use WindowsFS to prevent open files from being deleted: |
| FileSystem fs = new WindowsFS(path.getFileSystem()).getFileSystem(URI.create("file:///")); |
| Path root = new FilterPath(path, fs); |
| Directory directory = getDirectory(root); |
| IndexOutput output = directory.createOutput("target.txt", IOContext.DEFAULT); |
| output.writeInt(1); |
| output.close(); |
| IndexOutput output1 = directory.createOutput("source.txt", IOContext.DEFAULT); |
| output1.writeInt(2); |
| output1.close(); |
| |
| IndexInput input = directory.openInput("target.txt", IOContext.DEFAULT); |
| directory.deleteFile("target.txt"); |
| directory.rename("source.txt", "target.txt"); |
| IndexInput input1 = directory.openInput("target.txt", IOContext.DEFAULT); |
| assertTrue(directory.getPendingDeletions().isEmpty()); |
| assertEquals(1, input.readInt()); |
| assertEquals(2, input1.readInt()); |
| IOUtils.close(input1, input, directory); |
| } |
| |
| public void testCreateOutputWithPendingDeletes() throws IOException { |
| // irony: currently we don't emulate windows well enough to work on windows! |
| assumeFalse("windows is not supported", Constants.WINDOWS); |
| Path path = createTempDir(); |
| // Use WindowsFS to prevent open files from being deleted: |
| FileSystem fs = new WindowsFS(path.getFileSystem()).getFileSystem(URI.create("file:///")); |
| Path root = new FilterPath(path, fs); |
| Directory directory = getDirectory(root); |
| IndexOutput output = directory.createOutput("file.txt", IOContext.DEFAULT); |
| output.writeInt(1); |
| output.close(); |
| IndexInput input = directory.openInput("file.txt", IOContext.DEFAULT); |
| directory.deleteFile("file.txt"); |
| expectThrows(IOException.class, () -> { |
| directory.createOutput("file.txt", IOContext.DEFAULT); |
| }); |
| assertTrue(directory.getPendingDeletions().isEmpty()); |
| assertEquals(1, input.readInt()); |
| IOUtils.close(input, directory); |
| } |
| } |