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 storage {
  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<storage::FileSystemURL,
  31                    std::vector<FileChange>,
  32                    storage::FileSystemURL::Comparator> URLToFileChangesMap;
  33   typedef std::map<storage::FileSystemURL,
  34                    FileChangeList,
  35                    storage::FileSystemURL::Comparator> URLToFileChangeList;
  36   typedef std::map<storage::FileSystemURL,
  37                    SyncFileMetadata,
  38                    storage::FileSystemURL::Comparator> URLToFileMetadata;
  39
  40   FakeRemoteChangeProcessor();
  41   virtual ~FakeRemoteChangeProcessor();
  42
  43   // RemoteChangeProcessor overrides.
  44   virtual void PrepareForProcessRemoteChange(
  45       const storage::FileSystemURL& url,
  46       const PrepareChangeCallback& callback) OVERRIDE;
  47   virtual void ApplyRemoteChange(const FileChange& change,
  48                                  const base::FilePath& local_path,
  49                                  const storage::FileSystemURL& url,
  50                                  const SyncStatusCallback& callback) OVERRIDE;
  51   virtual void FinalizeRemoteSync(
  52       const storage::FileSystemURL& url,
  53       bool clear_local_changes,
  54       const base::Closure& completion_callback) OVERRIDE;
  55   virtual void RecordFakeLocalChange(
  56       const storage::FileSystemURL& url,
  57       const FileChange& change,
  58       const SyncStatusCallback& callback) OVERRIDE;
  59
  60   void UpdateLocalFileMetadata(const storage::FileSystemURL& url,
  61                                const FileChange& change);
  62   void ClearLocalChanges(const storage::FileSystemURL& url);
  63
  64   const URLToFileChangesMap& GetAppliedRemoteChanges() const;
  65
  66   // Compare |applied_changes_| with |expected_changes|.
  67   // This internally calls EXPECT_FOO, ASSERT_FOO methods in the
  68   // verification.
  69   void VerifyConsistency(const URLToFileChangesMap& expected_changes);
  70
  71  private:
  72   // History of file changes given by ApplyRemoteChange(). Changes are arranged
  73   // in chronological order, that is, the end of the vector represents the last
  74   // change.
  75   URLToFileChangesMap applied_changes_;
  76
  77   // History of local file changes.
  78   URLToFileChangeList local_changes_;
  79
  80   // Initial local file metadata. These are overridden by applied changes.
  81   URLToFileMetadata local_file_metadata_;
  82
  83   DISALLOW_COPY_AND_ASSIGN(FakeRemoteChangeProcessor);
  84 };
  85
  86 }  // namespace sync_file_system
  87
  88 #endif  // CHROME_BROWSER_SYNC_FILE_SYSTEM_FAKE_REMOTE_CHANGE_PROCESSOR_H_