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 22 #include <brillo/secure_blob.h> 23 24 #include "update_engine/payload_consumer/extent_writer.h" 25 26 namespace chromeos_update_engine { 27 28 // FakeExtentWriter is a concrete ExtentWriter subclass that keeps track of all 29 // the written data, useful for testing. 30 class FakeExtentWriter : public ExtentWriter { 31 public: 32 FakeExtentWriter() = default; 33 ~FakeExtentWriter() override = default; 34 35 // ExtentWriter overrides. 36 bool Init(FileDescriptorPtr /* fd */, 37 const google::protobuf::RepeatedPtrField<Extent>& /* extents */, 38 uint32_t /* block_size */) override { 39 init_called_ = true; 40 return true; 41 }; 42 bool Write(const void* bytes, size_t count) override { 43 if (!init_called_ || end_called_) 44 return false; 45 written_data_.insert(written_data_.end(), 46 reinterpret_cast<const uint8_t*>(bytes), 47 reinterpret_cast<const uint8_t*>(bytes) + count); 48 return true; 49 } 50 bool EndImpl() override { 51 end_called_ = true; 52 return true; 53 } 54 55 // Fake methods. 56 bool InitCalled() { return init_called_; } 57 bool EndCalled() { return end_called_; } 58 brillo::Blob WrittenData() { return written_data_; } 59 60 private: 61 bool init_called_{false}; 62 bool end_called_{false}; 63 brillo::Blob written_data_; 64 65 DISALLOW_COPY_AND_ASSIGN(FakeExtentWriter); 66 }; 67 68 } // namespace chromeos_update_engine 69 70 #endif // UPDATE_ENGINE_PAYLOAD_CONSUMER_FAKE_EXTENT_WRITER_H_ 71
