blob: 75507ea522ff4863ba1d044bdf6cb0fb7427e72b [file] [log] [blame]
//
// Copyright (C) 2009 The Android Open Source Project
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
#ifndef UPDATE_ENGINE_FAKE_FILE_WRITER_H_
#define UPDATE_ENGINE_FAKE_FILE_WRITER_H_
#include <vector>
#include <base/macros.h>
#include <brillo/secure_blob.h>
#include "update_engine/payload_consumer/file_writer.h"
// FakeFileWriter is an implementation of FileWriter. It will succeed
// calls to Open(), Close(), but not do any work. All calls to Write()
// will append the passed data to an internal vector.
namespace chromeos_update_engine {
class FakeFileWriter : public FileWriter {
public:
FakeFileWriter() : was_opened_(false), was_closed_(false) {}
virtual int Open(const char* path, int flags, mode_t mode) {
CHECK(!was_opened_);
CHECK(!was_closed_);
was_opened_ = true;
return 0;
}
virtual ssize_t Write(const void* bytes, size_t count) {
CHECK(was_opened_);
CHECK(!was_closed_);
const char* char_bytes = reinterpret_cast<const char*>(bytes);
bytes_.insert(bytes_.end(), char_bytes, char_bytes + count);
return count;
}
virtual int Close() {
CHECK(was_opened_);
CHECK(!was_closed_);
was_closed_ = true;
return 0;
}
const brillo::Blob& bytes() { return bytes_; }
private:
// The internal store of all bytes that have been written
brillo::Blob bytes_;
// These are just to ensure FileWriter methods are called properly.
bool was_opened_;
bool was_closed_;
DISALLOW_COPY_AND_ASSIGN(FakeFileWriter);
};
} // namespace chromeos_update_engine
#endif // UPDATE_ENGINE_FAKE_FILE_WRITER_H_