src/sync/api/attachments/fake_attachment_store.h

   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
  16 namespace base {
  17 class SequencedTaskRunner;
  18 class SingleThreadTaskRunner;
  19 }  // namespace base
  20
  21 namespace sync_pb {
  22 class AttachmentId;
  23 }  // namespace sync_pb
  24
  25 namespace syncer {
  26
  27 class Attachment;
  28
  29 // A in-memory only implementation of AttachmentStore used for testing.
  30 //
  31 // Requires that the current thread has a MessageLoop.
  32 class 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   virtual ~FakeAttachmentStore();
  40
  41   // AttachmentStore implementation.
  42   virtual void Read(const AttachmentIdList& id,
  43                     const ReadCallback& callback) OVERRIDE;
  44   virtual void Write(const AttachmentList& attachments,
  45                      const WriteCallback& callback) OVERRIDE;
  46   virtual void Drop(const AttachmentIdList& id,
  47                     const DropCallback& callback) OVERRIDE;
  48
  49  private:
  50   class Backend;
  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_