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// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef BASE_TEST_SCOPED_PATH_OVERRIDE_H_
#define BASE_TEST_SCOPED_PATH_OVERRIDE_H_
#include <optional>
#include "base/files/scoped_temp_dir.h"
namespace base {
class FilePath;
// Sets a path override on construction, and removes it when the object goes out
// of scope. This class is intended to be used by tests that need to override
// paths to ensure their overrides are properly handled and reverted when the
// scope of the test is left.
class ScopedPathOverride {
public:
// Contructor that initializes the override to a scoped temp directory.
explicit ScopedPathOverride(int key);
// Constructor that would use a path provided by the user.
ScopedPathOverride(int key, const FilePath& dir);
// See PathService::OverrideAndCreateIfNeeded.
ScopedPathOverride(int key,
const FilePath& path,
bool is_absolute,
bool create);
ScopedPathOverride(const ScopedPathOverride&) = delete;
ScopedPathOverride& operator=(const ScopedPathOverride&) = delete;
~ScopedPathOverride();
private:
// Used for saving original_override_ when an override already exists.
void SaveOriginal();
int key_;
ScopedTempDir temp_dir_;
std::optional<FilePath> original_override_;
};
} // namespace base
#endif // BASE_TEST_SCOPED_PATH_OVERRIDE_H_
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