#include <catch2/catch_test_macros.hpp>
#include <Garbage/SimpleConf.hpp>

TEST_CASE("Check handling of optional values")
{
    std::filesystem::path path("TestConfigs/Optionality.conf");

    Garbage::SimpleConf config(path);

    SECTION("GetOptional behaviour")
    {
        REQUIRE(!config.GetOptional<std::string>("non-existent key"));
        REQUIRE(*config.GetOptional<std::string>("existing key") == "existing value");
    }

    SECTION("Get behaviour")
    {
        using Required = Garbage::SimpleConf::Required;
        using LookupError = Garbage::SimpleConfImplementation::LookupError;

        REQUIRE(config.Get<std::string>("non-existent key", "a default") == "a default");
        REQUIRE(config.Get<std::string>("existing key") == "existing value");
        REQUIRE_THROWS_AS((config.Get<std::string, Required>("non-existent key")), LookupError);
    }
}