TheRock/rocm-libraries/shared/tensile/HostLibraryTests/testlib/include/TestData.hpp

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#pragma once

#include <filesystem>
#include <string>
#include <vector>

#include <Tensile/Singleton.hpp>

struct TestData : public Tensile::LazySingleton<TestData>
{
    using Base = Tensile::LazySingleton<TestData>;

    operator bool() const;

    static TestData Invalid();
    static TestData Env(std::string const& varName);

    std::filesystem::path dataDir() const;

    std::filesystem::path file(std::string const& filename) const;
    std::filesystem::path file(std::string const& filename, std::string const& extension) const;

    std::vector<std::filesystem::path> glob(std::string const& pattern) const;

private:
    friend Base;

    std::filesystem::path m_dataDir;

    struct invalid_data
    {
    };

    static std::filesystem::path ProgramLocation();

    TestData();
    TestData(std::string const& dataDir);
    TestData(invalid_data);
};