| // Copyright 2022 The Bazel Authors. All rights reserved. |
| // |
| // Licensed 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 com.google.devtools.build.lib.testing.vfs; |
| |
| import static org.mockito.Mockito.spy; |
| |
| import com.google.devtools.build.lib.vfs.DelegateFileSystem; |
| import com.google.devtools.build.lib.vfs.DigestHashFunction; |
| import com.google.devtools.build.lib.vfs.FileSystem; |
| import com.google.devtools.build.lib.vfs.PathFragment; |
| import com.google.devtools.build.lib.vfs.inmemoryfs.InMemoryFileSystem; |
| import java.io.IOException; |
| import java.io.OutputStream; |
| |
| /** |
| * Delegate file system with the sole purpose of creating a {@link org.mockito.Mockito#spy}. |
| * |
| * <p>This class purposely makes the {@link FileSystem} methods public so that tests can mock those. |
| * Please feel free to add any methods you need. |
| */ |
| public class SpiedFileSystem extends DelegateFileSystem { |
| |
| private SpiedFileSystem(FileSystem delegateFs) { |
| super(delegateFs); |
| } |
| |
| /** |
| * Create a spied file system instance delegating all calls to the provided {@code fileSystem}. |
| */ |
| public static SpiedFileSystem createSpy(FileSystem fileSystem) { |
| return spy(new SpiedFileSystem(fileSystem)); |
| } |
| |
| public static SpiedFileSystem createInMemorySpy() { |
| return createSpy(new InMemoryFileSystem(DigestHashFunction.SHA256)); |
| } |
| |
| @Override |
| public OutputStream getOutputStream(PathFragment path, boolean append, boolean internal) |
| throws IOException { |
| return super.getOutputStream(path, append, internal); |
| } |
| |
| @Override |
| public boolean createWritableDirectory(PathFragment path) throws IOException { |
| return super.createWritableDirectory(path); |
| } |
| |
| @Override |
| public byte[] getDigest(PathFragment path) throws IOException { |
| return super.getDigest(path); |
| } |
| |
| @Override |
| public void chmod(PathFragment path, int mode) throws IOException { |
| super.chmod(path, mode); |
| } |
| } |