| /* |
| * 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.net.URI; |
| import java.nio.file.DirectoryStream; |
| import java.nio.file.FileSystem; |
| import java.nio.file.Files; |
| import java.nio.file.Path; |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.List; |
| |
| /** Basic tests for ExtrasFS */ |
| public class TestExtrasFS extends MockFileSystemTestCase { |
| |
| @Override |
| protected Path wrap(Path path) { |
| return wrap(path, random().nextBoolean(), random().nextBoolean()); |
| } |
| |
| Path wrap(Path path, boolean active, boolean createDirectory) { |
| FileSystem fs = new ExtrasFS(path.getFileSystem(), active, createDirectory).getFileSystem(URI.create("file:///")); |
| return new FilterPath(path, fs); |
| } |
| |
| /** test where extra file is created */ |
| public void testExtraFile() throws Exception { |
| Path dir = wrap(createTempDir(), true, false); |
| Files.createDirectory(dir.resolve("foobar")); |
| |
| List<String> seen = new ArrayList<>(); |
| try (DirectoryStream<Path> stream = Files.newDirectoryStream(dir.resolve("foobar"))) { |
| for (Path path : stream) { |
| seen.add(path.getFileName().toString()); |
| } |
| } |
| assertEquals(Arrays.asList("extra0"), seen); |
| assertTrue(Files.isRegularFile(dir.resolve("foobar").resolve("extra0"))); |
| } |
| |
| /** test where extra directory is created */ |
| public void testExtraDirectory() throws Exception { |
| Path dir = wrap(createTempDir(), true, true); |
| Files.createDirectory(dir.resolve("foobar")); |
| |
| List<String> seen = new ArrayList<>(); |
| try (DirectoryStream<Path> stream = Files.newDirectoryStream(dir.resolve("foobar"))) { |
| for (Path path : stream) { |
| seen.add(path.getFileName().toString()); |
| } |
| } |
| assertEquals(Arrays.asList("extra0"), seen); |
| assertTrue(Files.isDirectory(dir.resolve("foobar").resolve("extra0"))); |
| } |
| |
| /** test where no extras are created: its a no-op */ |
| public void testNoExtras() throws Exception { |
| Path dir = wrap(createTempDir(), false, false); |
| Files.createDirectory(dir.resolve("foobar")); |
| try (DirectoryStream<Path> stream = Files.newDirectoryStream(dir.resolve("foobar"))) { |
| for (Path path : stream) { |
| fail("should not have found file: " + path); |
| } |
| } |
| } |
| } |