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      1 // Copyright (C) 2013 Google Inc.
      2 //
      3 // Licensed under the Apache License, Version 2.0 (the "License");
      4 // you may not use this file except in compliance with the License.
      5 // You may obtain a copy of the License at
      6 //
      7 // http://www.apache.org/licenses/LICENSE-2.0
      8 //
      9 // Unless required by applicable law or agreed to in writing, software
     10 // distributed under the License is distributed on an "AS IS" BASIS,
     11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     12 // See the License for the specific language governing permissions and
     13 // limitations under the License.
     14 //
     15 // A fake storage object to use in tests. Stores data in memory instead of
     16 // writing it to disk. All operations are synchronous.
     17 
     18 #ifndef I18N_ADDRESSINPUT_FAKE_STORAGE_H_
     19 #define I18N_ADDRESSINPUT_FAKE_STORAGE_H_
     20 
     21 #include <libaddressinput/storage.h>
     22 #include <libaddressinput/util/basictypes.h>
     23 
     24 #include <map>
     25 #include <string>
     26 
     27 namespace i18n {
     28 namespace addressinput {
     29 
     30 // Stores data in memory. Sample usage:
     31 //    class MyClass {
     32 //     public:
     33 //      MyClass() : storage_(),
     34 //                  data_ready_(BuildCallback(this, &MyClass::OnDataReady)) {}
     35 //
     36 //      ~MyClass() {}
     37 //
     38 //      void Write() {
     39 //        storage_.Put("key", "value");
     40 //      }
     41 //
     42 //      void Read() {
     43 //        storage_.Get("key", *data_ready_);
     44 //      }
     45 //
     46 //     private:
     47 //      void OnDataReady(bool success,
     48 //                       const std::string& key,
     49 //                       std::string* data) {
     50 //        ...
     51 //        delete data;
     52 //      }
     53 //
     54 //      FakeStorage storage_;
     55 //      const scoped_ptr<const Storage::Callback> data_ready_;
     56 //
     57 //      DISALLOW_COPY_AND_ASSIGN(MyClass);
     58 //    };
     59 class FakeStorage : public Storage {
     60  public:
     61   FakeStorage();
     62   virtual ~FakeStorage();
     63 
     64   // Storage implementation.
     65   virtual void Put(const std::string& key, std::string* data);
     66   virtual void Get(const std::string& key, const Callback& data_ready) const;
     67 
     68  private:
     69   std::map<std::string, std::string*> data_;
     70   DISALLOW_COPY_AND_ASSIGN(FakeStorage);
     71 };
     72 
     73 }  // namespace addressinput
     74 }  // namespace i18n
     75 
     76 #endif  // I18N_ADDRESSINPUT_FAKE_STORAGE_H_
     77