fake_filesystem.h revision 2b19cfbcdb1aa8c5d1f338d19312fe14b6734bd5 
1// Copyright 2015 The Chromium OS Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#ifndef UPDATE_ENGINE_PAYLOAD_GENERATOR_FAKE_FILESYSTEM_H_
6#define UPDATE_ENGINE_PAYLOAD_GENERATOR_FAKE_FILESYSTEM_H_
7
8// A fake filesystem interface implementation allowing the user to add arbitrary
9// files/metadata.
10
11#include "update_engine/payload_generator/filesystem_interface.h"
12
13#include <string>
14#include <vector>
15
16#include "update_engine/update_metadata.pb.h"
17
18namespace chromeos_update_engine {
19
20class FakeFilesystem : public FilesystemInterface {
21 public:
22  FakeFilesystem(uint64_t block_size, uint64_t block_count);
23  virtual ~FakeFilesystem() = default;
24
25  // FilesystemInterface overrides.
26  size_t GetBlockSize() const override;
27  size_t GetBlockCount() const override;
28  bool GetFiles(std::vector<File>* files) const override;
29
30  // Fake methods.
31
32  // Add a file to the list of fake files.
33  void AddFile(const std::string& filename, const std::vector<Extent> extents);
34
35 private:
36  FakeFilesystem() = default;
37
38  uint64_t block_size_;
39  uint64_t block_count_;
40
41  std::vector<File> files_;
42
43  DISALLOW_COPY_AND_ASSIGN(FakeFilesystem);
44};
45
46}  // namespace chromeos_update_engine
47
48#endif  // UPDATE_ENGINE_PAYLOAD_GENERATOR_FAKE_FILESYSTEM_H_
49