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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 CONTENT_BROWSER_QUOTA_MOCK_QUOTA_MANAGER_H_
6 #define CONTENT_BROWSER_QUOTA_MOCK_QUOTA_MANAGER_H_
7 
8 #include <map>
9 #include <set>
10 #include <utility>
11 #include <vector>
12 
13 #include "base/memory/scoped_ptr.h"
14 #include "storage/browser/quota/quota_client.h"
15 #include "storage/browser/quota/quota_manager.h"
16 #include "storage/browser/quota/quota_task.h"
17 #include "storage/common/quota/quota_types.h"
18 #include "url/gurl.h"
19 
20 using storage::GetOriginsCallback;
21 using storage::QuotaClient;
22 using storage::QuotaManager;
23 using storage::QuotaStatusCode;
24 using storage::SpecialStoragePolicy;
25 using storage::StatusCallback;
26 using storage::StorageType;
27 
28 namespace content {
29 
30 // Mocks the pieces of QuotaManager's interface.
31 //
32 // For usage/quota tracking test:
33 // Usage and quota information can be updated by following private helper
34 // methods: SetQuota() and UpdateUsage().
35 //
36 // For time-based deletion test:
37 // Origins can be added to the mock by calling AddOrigin, and that list of
38 // origins is then searched through in GetOriginsModifiedSince.
39 // Neither GetOriginsModifiedSince nor DeleteOriginData touches the actual
40 // origin data stored in the profile.
41 class MockQuotaManager : public QuotaManager {
42  public:
43   MockQuotaManager(
44       bool is_incognito,
45       const base::FilePath& profile_path,
46       const scoped_refptr<base::SingleThreadTaskRunner>& io_thread,
47       const scoped_refptr<base::SequencedTaskRunner>& db_thread,
48       const scoped_refptr<SpecialStoragePolicy>& special_storage_policy);
49 
50   // Overrides QuotaManager's implementation. The internal usage data is
51   // updated when MockQuotaManagerProxy::NotifyStorageModified() is
52   // called.  The internal quota value can be updated by calling
53   // a helper method MockQuotaManagerProxy::SetQuota().
54   virtual void GetUsageAndQuota(
55       const GURL& origin,
56       storage::StorageType type,
57       const GetUsageAndQuotaCallback& callback) OVERRIDE;
58 
59   // Overrides QuotaManager's implementation with a canned implementation that
60   // allows clients to set up the origin database that should be queried. This
61   // method will only search through the origins added explicitly via AddOrigin.
62   virtual void GetOriginsModifiedSince(
63       StorageType type,
64       base::Time modified_since,
65       const GetOriginsCallback& callback) OVERRIDE;
66 
67   // Removes an origin from the canned list of origins, but doesn't touch
68   // anything on disk. The caller must provide |quota_client_mask| which
69   // specifies the types of QuotaClients which should be removed from this
70   // origin as a bitmask built from QuotaClient::IDs. Setting the mask to
71   // QuotaClient::kAllClientsMask will remove all clients from the origin,
72   // regardless of type.
73   virtual void DeleteOriginData(const GURL& origin,
74                                 StorageType type,
75                                 int quota_client_mask,
76                                 const StatusCallback& callback) OVERRIDE;
77 
78   // Helper method for updating internal quota info.
79   void SetQuota(const GURL& origin, StorageType type, int64 quota);
80 
81   // Helper methods for timed-deletion testing:
82   // Adds an origin to the canned list that will be searched through via
83   // GetOriginsModifiedSince. The caller must provide |quota_client_mask|
84   // which specifies the types of QuotaClients this canned origin contains
85   // as a bitmask built from QuotaClient::IDs.
86   bool AddOrigin(const GURL& origin,
87                  StorageType type,
88                  int quota_client_mask,
89                  base::Time modified);
90 
91   // Helper methods for timed-deletion testing:
92   // Checks an origin and type against the origins that have been added via
93   // AddOrigin and removed via DeleteOriginData. If the origin exists in the
94   // canned list with the proper StorageType and client, returns true.
95   bool OriginHasData(const GURL& origin,
96                      StorageType type,
97                      QuotaClient::ID quota_client) const;
98 
99  protected:
100   virtual ~MockQuotaManager();
101 
102  private:
103   friend class MockQuotaManagerProxy;
104 
105   // Contains the essential bits of information about an origin that the
106   // MockQuotaManager needs to understand for time-based deletion:
107   // the origin itself, the StorageType and its modification time.
108   struct OriginInfo {
109     OriginInfo(const GURL& origin,
110                StorageType type,
111                int quota_client_mask,
112                base::Time modified);
113     ~OriginInfo();
114 
115     GURL origin;
116     StorageType type;
117     int quota_client_mask;
118     base::Time modified;
119   };
120 
121   // Contains the essential information for each origin for usage/quota testing.
122   // (Ideally this should probably merged into the above struct, but for
123   // regular usage/quota testing we hardly need modified time but only
124   // want to keep usage and quota information, so this struct exists.
125   struct StorageInfo {
126     StorageInfo();
127     ~StorageInfo();
128     int64 usage;
129     int64 quota;
130   };
131 
132   typedef std::pair<GURL, StorageType> OriginAndType;
133   typedef std::map<OriginAndType, StorageInfo> UsageAndQuotaMap;
134 
135   // This must be called via MockQuotaManagerProxy.
136   void UpdateUsage(const GURL& origin, StorageType type, int64 delta);
137   void DidGetModifiedSince(const GetOriginsCallback& callback,
138                            std::set<GURL>* origins,
139                            StorageType storage_type);
140   void DidDeleteOriginData(const StatusCallback& callback,
141                            QuotaStatusCode status);
142 
143   // The list of stored origins that have been added via AddOrigin.
144   std::vector<OriginInfo> origins_;
145   UsageAndQuotaMap usage_and_quota_map_;
146   base::WeakPtrFactory<MockQuotaManager> weak_factory_;
147 
148   DISALLOW_COPY_AND_ASSIGN(MockQuotaManager);
149 };
150 
151 }  // namespace content
152 
153 #endif  // CONTENT_BROWSER_QUOTA_MOCK_QUOTA_MANAGER_H_
154