chrome/browser/sync_file_system/fake_remote_change_processor.h

   1 // Copyright (c) 2013 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 CHROME_BROWSER_SYNC_FILE_SYSTEM_FAKE_REMOTE_CHANGE_PROCESSOR_H_
   6 #define CHROME_BROWSER_SYNC_FILE_SYSTEM_FAKE_REMOTE_CHANGE_PROCESSOR_H_
   7
   8 #include <map>
   9 #include <string>
  10 #include <vector>
  11
  12 #include "base/callback.h"
  13 #include "chrome/browser/sync_file_system/remote_change_processor.h"
  14 #include "chrome/browser/sync_file_system/sync_callbacks.h"
  15
  16 namespace base {
  17 class FilePath;
  18 }
  19
  20 namespace fileapi {
  21 class FileSystemURL;
  22 }
  23
  24 namespace sync_file_system {
  25
  26 class FileChange;
  27
  28 class FakeRemoteChangeProcessor : public RemoteChangeProcessor {
  29  public:
  30   typedef std::map<fileapi::FileSystemURL, std::vector<FileChange>,
  31                    fileapi::FileSystemURL::Comparator> URLToFileChangesMap;
  32   typedef std::map<fileapi::FileSystemURL, FileChangeList,
  33                    fileapi::FileSystemURL::Comparator> URLToFileChangeList;
  34   typedef std::map<fileapi::FileSystemURL, SyncFileMetadata,
  35                    fileapi::FileSystemURL::Comparator> URLToFileMetadata;
  36
  37   FakeRemoteChangeProcessor();
  38   virtual ~FakeRemoteChangeProcessor();
  39
  40   // RemoteChangeProcessor overrides.
  41   virtual void PrepareForProcessRemoteChange(
  42       const fileapi::FileSystemURL& url,
  43       const PrepareChangeCallback& callback) OVERRIDE;
  44   virtual void ApplyRemoteChange(
  45       const FileChange& change,
  46       const base::FilePath& local_path,
  47       const fileapi::FileSystemURL& url,
  48       const SyncStatusCallback& callback) OVERRIDE;
  49   virtual void FinalizeRemoteSync(
  50       const fileapi::FileSystemURL& url,
  51       bool clear_local_changes,
  52       const base::Closure& completion_callback) OVERRIDE;
  53   virtual void RecordFakeLocalChange(
  54       const fileapi::FileSystemURL& url,
  55       const FileChange& change,
  56       const SyncStatusCallback& callback) OVERRIDE;
  57
  58   void UpdateLocalFileMetadata(
  59     const fileapi::FileSystemURL& url,
  60     const FileChange& change);
  61   void ClearLocalChanges(const fileapi::FileSystemURL& url);
  62
  63   const URLToFileChangesMap& GetAppliedRemoteChanges() const;
  64
  65   // Compare |applied_changes_| with |expected_changes|.
  66   // This internally calls EXPECT_FOO, ASSERT_FOO methods in the
  67   // verification.
  68   void VerifyConsistency(const URLToFileChangesMap& expected_changes);
  69
  70  private:
  71   // History of file changes given by ApplyRemoteChange(). Changes are arranged
  72   // in chronological order, that is, the end of the vector represents the last
  73   // change.
  74   URLToFileChangesMap applied_changes_;
  75
  76   // History of local file changes.
  77   URLToFileChangeList local_changes_;
  78
  79   // Initial local file metadata. These are overridden by applied changes.
  80   URLToFileMetadata local_file_metadata_;
  81
  82   DISALLOW_COPY_AND_ASSIGN(FakeRemoteChangeProcessor);
  83 };
  84
  85 }  // namespace sync_file_system
  86
  87 #endif  // CHROME_BROWSER_SYNC_FILE_SYSTEM_FAKE_REMOTE_CHANGE_PROCESSOR_H_