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// Copyright 2025 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef COMPONENTS_PERSISTENT_CACHE_SQLITE_TEST_UTILS_H_
#define COMPONENTS_PERSISTENT_CACHE_SQLITE_TEST_UTILS_H_
#include <vector>
#include "base/files/file.h"
#include "base/files/file_path.h"
#include "base/files/file_util.h"
#include "base/files/scoped_temp_dir.h"
#include "components/persistent_cache/backend_params.h"
#include "components/persistent_cache/sqlite/vfs/sqlite_database_vfs_file_set.h"
namespace persistent_cache::test_utils {
// Use TestHelper from tests to generate valid initialization
// structures for backends and PersistentCache. This class takes care of owning
// the backing files and the directories they live in. They are deleted on
// destruction.
//
// Example:
// TestHelper provider;
// BackendParams backend_params =
// provider.CreateBackendFilesAndBuildParams(BackendType::kSqlite);
//
// auto PersistentCache persistent_cache =
// PersistentCache::Open(backend_params);
//
class TestHelper {
public:
TestHelper();
~TestHelper();
// Non-copyable and non-moveable since it's a test support class to be used in
// fixtures.
TestHelper(const TestHelper&) = delete;
TestHelper(TestHelper&&) = delete;
TestHelper& operator=(const TestHelper&) = delete;
TestHelper& operator=(TestHelper&&) = delete;
SqliteVfsFileSet CreateFilesAndBuildVfsFileSet();
BackendParams CreateBackendFilesAndBuildParams(BackendType type);
private:
base::File CreateFile(base::FilePath directory, const std::string& file_name);
base::FilePath CreateTemporaryDir();
std::vector<base::ScopedTempDir> scoped_temp_dirs_;
};
} // namespace persistent_cache::test_utils
#endif // COMPONENTS_PERSISTENT_CACHE_SQLITE_TEST_UTILS_H_
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