1 // 2 // Copyright (C) 2015 The Android Open Source Project 3 // 4 // Licensed under the Apache License, Version 2.0 (the "License"); 5 // you may not use this file except in compliance with the License. 6 // You may obtain a copy of the License at 7 // 8 // http://www.apache.org/licenses/LICENSE-2.0 9 // 10 // Unless required by applicable law or agreed to in writing, software 11 // distributed under the License is distributed on an "AS IS" BASIS, 12 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 // See the License for the specific language governing permissions and 14 // limitations under the License. 15 // 16 17 #ifndef UPDATE_ENGINE_PAYLOAD_CONSUMER_FAKE_EXTENT_WRITER_H_ 18 #define UPDATE_ENGINE_PAYLOAD_CONSUMER_FAKE_EXTENT_WRITER_H_ 19 20 #include <memory> 21 #include <vector> 22 23 #include <brillo/secure_blob.h> 24 25 #include "update_engine/payload_consumer/extent_writer.h" 26 27 namespace chromeos_update_engine { 28 29 // FakeExtentWriter is a concrete ExtentWriter subclass that keeps track of all 30 // the written data, useful for testing. 31 class FakeExtentWriter : public ExtentWriter { 32 public: 33 FakeExtentWriter() = default; 34 ~FakeExtentWriter() override = default; 35 36 // ExtentWriter overrides. Init(FileDescriptorPtr,const std::vector<Extent> &,uint32_t)37 bool Init(FileDescriptorPtr /* fd */, 38 const std::vector<Extent>& /* extents */, 39 uint32_t /* block_size */) override { 40 init_called_ = true; 41 return true; 42 }; Write(const void * bytes,size_t count)43 bool Write(const void* bytes, size_t count) override { 44 if (!init_called_ || end_called_) 45 return false; 46 written_data_.insert(written_data_.end(), 47 reinterpret_cast<const uint8_t*>(bytes), 48 reinterpret_cast<const uint8_t*>(bytes) + count); 49 return true; 50 } EndImpl()51 bool EndImpl() override { 52 end_called_ = true; 53 return true; 54 } 55 56 // Fake methods. InitCalled()57 bool InitCalled() { return init_called_; } EndCalled()58 bool EndCalled() { return end_called_; } WrittenData()59 brillo::Blob WrittenData() { return written_data_; } 60 61 private: 62 bool init_called_{false}; 63 bool end_called_{false}; 64 brillo::Blob written_data_; 65 66 DISALLOW_COPY_AND_ASSIGN(FakeExtentWriter); 67 }; 68 69 } // namespace chromeos_update_engine 70 71 #endif // UPDATE_ENGINE_PAYLOAD_CONSUMER_FAKE_EXTENT_WRITER_H_ 72