fake_attachment_store.h revision 1320f92c476a1ad9d19dba2a48c72b75566198e9 
1// Copyright 2014 The Chromium 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 SYNC_API_ATTACHMENTS_FAKE_ATTACHMENT_STORE_H_
6#define SYNC_API_ATTACHMENTS_FAKE_ATTACHMENT_STORE_H_
7
8#include <map>
9
10#include "base/memory/ref_counted.h"
11#include "base/memory/scoped_ptr.h"
12#include "base/stl_util.h"
13#include "sync/api/attachments/attachment_store.h"
14#include "sync/base/sync_export.h"
15
16namespace base {
17class SequencedTaskRunner;
18class SingleThreadTaskRunner;
19}  // namespace base
20
21namespace sync_pb {
22class AttachmentId;
23}  // namespace sync_pb
24
25namespace syncer {
26
27class Attachment;
28
29// A in-memory only implementation of AttachmentStore used for testing.
30//
31// Requires that the current thread has a MessageLoop.
32class SYNC_EXPORT FakeAttachmentStore : public AttachmentStore {
33 public:
34  // Construct a FakeAttachmentStore whose "IO" will be performed in
35  // |backend_task_runner|.
36  explicit FakeAttachmentStore(
37      const scoped_refptr<base::SequencedTaskRunner>& backend_task_runner);
38
39  // AttachmentStore implementation.
40  virtual void Read(const AttachmentIdList& id,
41                    const ReadCallback& callback) OVERRIDE;
42  virtual void Write(const AttachmentList& attachments,
43                     const WriteCallback& callback) OVERRIDE;
44  virtual void Drop(const AttachmentIdList& id,
45                    const DropCallback& callback) OVERRIDE;
46
47 private:
48  class Backend;
49
50  virtual ~FakeAttachmentStore();
51
52  scoped_refptr<Backend> backend_;
53  scoped_refptr<base::SequencedTaskRunner> backend_task_runner_;
54
55  DISALLOW_COPY_AND_ASSIGN(FakeAttachmentStore);
56};
57
58}  // namespace syncer
59
60#endif  // SYNC_API_ATTACHMENTS_FAKE_ATTACHMENT_STORE_H_
61