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      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_
     88