chrome/browser/prefs/mock_validation_delegate.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 CHROME_BROWSER_PREFS_MOCK_VALIDATION_DELEGATE_H_
   6 #define CHROME_BROWSER_PREFS_MOCK_VALIDATION_DELEGATE_H_
   7
   8 #include <string>
   9 #include <vector>
  10
  11 #include "base/compiler_specific.h"
  12 #include "base/macros.h"
  13 #include "chrome/browser/prefs/pref_hash_filter.h"
  14 #include "chrome/browser/prefs/pref_hash_store_transaction.h"
  15 #include "chrome/browser/prefs/tracked/tracked_preference_helper.h"
  16 #include "chrome/browser/prefs/tracked/tracked_preference_validation_delegate.h"
  17
  18 // A mock tracked preference validation delegate for use by tests.
  19 class MockValidationDelegate : public TrackedPreferenceValidationDelegate {
  20  public:
  21   struct ValidationEvent {
  22     ValidationEvent(const std::string& path,
  23                     PrefHashStoreTransaction::ValueState state,
  24                     TrackedPreferenceHelper::ResetAction action,
  25                     PrefHashFilter::PrefTrackingStrategy tracking_strategy)
  26         : pref_path(path),
  27           value_state(state),
  28           reset_action(action),
  29           strategy(tracking_strategy) {}
  30
  31     std::string pref_path;
  32     PrefHashStoreTransaction::ValueState value_state;
  33     TrackedPreferenceHelper::ResetAction reset_action;
  34     PrefHashFilter::PrefTrackingStrategy strategy;
  35   };
  36
  37   MockValidationDelegate();
  38   virtual ~MockValidationDelegate();
  39
  40   // Returns the number of recorded validations.
  41   size_t recorded_validations_count() const { return validations_.size(); }
  42
  43   // Returns the number of validations of a given value state.
  44   size_t CountValidationsOfState(
  45       PrefHashStoreTransaction::ValueState value_state) const;
  46
  47   // Returns the event for the preference with a given path.
  48   const ValidationEvent* GetEventForPath(const std::string& pref_path) const;
  49
  50   // TrackedPreferenceValidationDelegate implementation.
  51   virtual void OnAtomicPreferenceValidation(
  52       const std::string& pref_path,
  53       const base::Value* value,
  54       PrefHashStoreTransaction::ValueState value_state,
  55       TrackedPreferenceHelper::ResetAction reset_action) OVERRIDE;
  56   virtual void OnSplitPreferenceValidation(
  57       const std::string& pref_path,
  58       const base::DictionaryValue* dict_value,
  59       const std::vector<std::string>& invalid_keys,
  60       PrefHashStoreTransaction::ValueState value_state,
  61       TrackedPreferenceHelper::ResetAction reset_action) OVERRIDE;
  62
  63  private:
  64   // Adds a new validation event.
  65   void RecordValidation(const std::string& pref_path,
  66                         PrefHashStoreTransaction::ValueState value_state,
  67                         TrackedPreferenceHelper::ResetAction reset_action,
  68                         PrefHashFilter::PrefTrackingStrategy strategy);
  69
  70   std::vector<ValidationEvent> validations_;
  71
  72   DISALLOW_COPY_AND_ASSIGN(MockValidationDelegate);
  73 };
  74
  75 #endif  // CHROME_BROWSER_PREFS_MOCK_VALIDATION_DELEGATE_H_