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/*
* Copyright (C) 2021 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 SRC_BASE_TEST_TMP_DIR_TREE_H_
#define SRC_BASE_TEST_TMP_DIR_TREE_H_
#include <stack>
#include <string>
#include "perfetto/ext/base/temp_file.h"
namespace perfetto {
namespace base {
// Helper to construct and automatically destroy temporary file hierarchies in
// tests.
class TmpDirTree {
public:
TmpDirTree();
virtual ~TmpDirTree();
// Returns the absolute path where the temporary hierarchy is located.
const std::string& path() const { return tmp_dir_.path(); }
// Prepends `path()` to `relative_path` (making it an absolute path).
std::string AbsolutePath(const std::string& relative_path) const;
// Creates a directory at `relative_path`. All the parent directories should
// have been created. PERFETTO_CHECK()s that the operation succeeds.
void AddDir(const std::string& relative_path);
// Creates a file at `relative_path` which contains `content`. All the parent
// directories should have been created. PERFETTO_CHECK()s that the operation
// succeeds.
void AddFile(const std::string& relative_path, const std::string& content);
private:
TmpDirTree(const TmpDirTree&) = delete;
TmpDirTree& operator=(const TmpDirTree&) = delete;
base::TempDir tmp_dir_;
std::stack<std::string> dirs_to_remove_;
std::stack<std::string> files_to_remove_;
};
} // namespace base
} // namespace perfetto
#endif // SRC_BASE_TEST_TMP_DIR_TREE_H_
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