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