webkit/quota/mock_quota_manager.h

   1 // Copyright (c) 2012 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 WEBKIT_QUOTA_MOCK_QUOTA_MANAGER_H_
   6 #define WEBKIT_QUOTA_MOCK_QUOTA_MANAGER_H_
   7
   8 #include <vector>
   9 #include <string>
  10
  11 #include "base/memory/scoped_ptr.h"
  12 #include "googleurl/src/gurl.h"
  13 #include "webkit/quota/quota_client.h"
  14 #include "webkit/quota/quota_manager.h"
  15 #include "webkit/quota/quota_task.h"
  16 #include "webkit/quota/quota_types.h"
  17
  18 namespace quota {
  19
  20 // Mocks the pieces of QuotaManager's interface.
  21 //
  22 // For usage/quota tracking test:
  23 // Usage and quota information can be updated by following private helper
  24 // methods: SetQuota() and UpdateUsage().
  25 //
  26 // For time-based deletion test:
  27 // Origins can be added to the mock by calling AddOrigin, and that list of
  28 // origins is then searched through in GetOriginsModifiedSince.
  29 // Neither GetOriginsModifiedSince nor DeleteOriginData touches the actual
  30 // origin data stored in the profile.
  31 class MockQuotaManager : public QuotaManager {
  32  public:
  33   MockQuotaManager(bool is_incognito,
  34                    const FilePath& profile_path,
  35                    base::SingleThreadTaskRunner* io_thread,
  36                    base::SequencedTaskRunner* db_thread,
  37                    SpecialStoragePolicy* special_storage_policy);
  38
  39   // Overrides QuotaManager's implementation. The internal usage data is
  40   // updated when MockQuotaManagerProxy::NotifyStorageModified() is
  41   // called.  The internal quota value can be updated by calling
  42   // a helper method MockQuotaManagerProxy::SetQuota().
  43   virtual void GetUsageAndQuota(
  44       const GURL& origin,
  45       quota::StorageType type,
  46       const GetUsageAndQuotaCallback& callback) OVERRIDE;
  47
  48   // Overrides QuotaManager's implementation with a canned implementation that
  49   // allows clients to set up the origin database that should be queried. This
  50   // method will only search through the origins added explicitly via AddOrigin.
  51   virtual void GetOriginsModifiedSince(
  52       StorageType type,
  53       base::Time modified_since,
  54       const GetOriginsCallback& callback) OVERRIDE;
  55
  56   // Removes an origin from the canned list of origins, but doesn't touch
  57   // anything on disk. The caller must provide |quota_client_mask| which
  58   // specifies the types of QuotaClients which should be removed from this
  59   // origin as a bitmask built from QuotaClient::IDs. Setting the mask to
  60   // QuotaClient::kAllClientsMask will remove all clients from the origin,
  61   // regardless of type.
  62   virtual void DeleteOriginData(const GURL& origin,
  63                                 StorageType type,
  64                                 int quota_client_mask,
  65                                 const StatusCallback& callback) OVERRIDE;
  66
  67   // Helper method for updating internal quota info.
  68   void SetQuota(const GURL& origin, StorageType type, int64 quota);
  69
  70   // Helper methods for timed-deletion testing:
  71   // Adds an origin to the canned list that will be searched through via
  72   // GetOriginsModifiedSince. The caller must provide |quota_client_mask|
  73   // which specifies the types of QuotaClients this canned origin contains
  74   // as a bitmask built from QuotaClient::IDs.
  75   bool AddOrigin(const GURL& origin,
  76                  StorageType type,
  77                  int quota_client_mask,
  78                  base::Time modified);
  79
  80   // Helper methods for timed-deletion testing:
  81   // Checks an origin and type against the origins that have been added via
  82   // AddOrigin and removed via DeleteOriginData. If the origin exists in the
  83   // canned list with the proper StorageType and client, returns true.
  84   bool OriginHasData(const GURL& origin,
  85                      StorageType type,
  86                      QuotaClient::ID quota_client) const;
  87
  88  protected:
  89   virtual ~MockQuotaManager();
  90
  91  private:
  92   friend class MockQuotaManagerProxy;
  93
  94   // Contains the essential bits of information about an origin that the
  95   // MockQuotaManager needs to understand for time-based deletion:
  96   // the origin itself, the StorageType and its modification time.
  97   struct OriginInfo {
  98     OriginInfo(const GURL& origin,
  99                StorageType type,
 100                int quota_client_mask,
 101                base::Time modified);
 102     ~OriginInfo();
 103
 104     GURL origin;
 105     StorageType type;
 106     int quota_client_mask;
 107     base::Time modified;
 108   };
 109
 110   // Contains the essential information for each origin for usage/quota testing.
 111   // (Ideally this should probably merged into the above struct, but for
 112   // regular usage/quota testing we hardly need modified time but only
 113   // want to keep usage and quota information, so this struct exists.
 114   struct StorageInfo {
 115     StorageInfo();
 116     ~StorageInfo();
 117     int64 usage;
 118     int64 quota;
 119   };
 120
 121   typedef std::pair<GURL, StorageType> OriginAndType;
 122   typedef std::map<OriginAndType, StorageInfo> UsageAndQuotaMap;
 123
 124   // This must be called via MockQuotaManagerProxy.
 125   void UpdateUsage(const GURL& origin, StorageType type, int64 delta);
 126   void DidGetModifiedSince(const GetOriginsCallback& callback,
 127                            std::set<GURL>* origins,
 128                            StorageType storage_type);
 129   void DidDeleteOriginData(const StatusCallback& callback,
 130                            QuotaStatusCode status);
 131
 132   // The list of stored origins that have been added via AddOrigin.
 133   std::vector<OriginInfo> origins_;
 134   base::WeakPtrFactory<MockQuotaManager> weak_factory_;
 135   UsageAndQuotaMap usage_and_quota_map_;
 136
 137   DISALLOW_COPY_AND_ASSIGN(MockQuotaManager);
 138 };
 139
 140 // MockQuotaManagerProxy.
 141 class MockQuotaManagerProxy : public QuotaManagerProxy {
 142  public:
 143   // It is ok to give NULL to |quota_manager|.
 144   MockQuotaManagerProxy(MockQuotaManager* quota_manager,
 145                         base::SingleThreadTaskRunner* task_runner);
 146
 147   virtual void RegisterClient(QuotaClient* client) OVERRIDE;
 148
 149   void SimulateQuotaManagerDestroyed();
 150
 151   // We don't mock them.
 152   virtual void NotifyOriginInUse(const GURL& origin) OVERRIDE {}
 153   virtual void NotifyOriginNoLongerInUse(const GURL& origin) OVERRIDE {}
 154
 155   // Validates the |client_id| and updates the internal access count
 156   // which can be accessed via notify_storage_accessed_count().
 157   // The also records the |origin| and |type| in last_notified_origin_ and
 158   // last_notified_type_.
 159   virtual void NotifyStorageAccessed(QuotaClient::ID client_id,
 160                                      const GURL& origin,
 161                                      StorageType type) OVERRIDE;
 162
 163   // Records the |origin|, |type| and |delta| as last_notified_origin_,
 164   // last_notified_type_ and last_notified_delta_ respecitvely.
 165   // If non-null MockQuotaManager is given to the constructor this also
 166   // updates the manager's internal usage information.
 167   virtual void NotifyStorageModified(QuotaClient::ID client_id,
 168                                      const GURL& origin,
 169                                      StorageType type,
 170                                      int64 delta) OVERRIDE;
 171
 172   int notify_storage_accessed_count() const { return storage_accessed_count_; }
 173   int notify_storage_modified_count() const { return storage_modified_count_; }
 174   GURL last_notified_origin() const { return last_notified_origin_; }
 175   StorageType last_notified_type() const { return last_notified_type_; }
 176   int64 last_notified_delta() const { return last_notified_delta_; }
 177
 178  protected:
 179   virtual ~MockQuotaManagerProxy();
 180
 181  private:
 182   MockQuotaManager* mock_manager() const {
 183     return static_cast<MockQuotaManager*>(quota_manager());
 184   }
 185
 186   int storage_accessed_count_;
 187   int storage_modified_count_;
 188   GURL last_notified_origin_;
 189   StorageType last_notified_type_;
 190   int64 last_notified_delta_;
 191
 192   QuotaClient* registered_client_;
 193 };
 194
 195 }  // namespace quota
 196
 197 #endif  // WEBKIT_QUOTA_MOCK_QUOTA_MANAGER_H_