xdgcfg/tests/test_write_read.cpp

/*  This file is part of xdgcfg. */

#include <exception>
#include <string>
#include <catch.hpp>
#include "xdgcfg.hpp"

using std::string;

SCENARIO ("A config file can be written and then read.")
{
    bool exception = false;

    WHEN ("Writing config")
    {
        xdgcfg config("test.cfg", "xdgcfg");
        libconfig::Config &cfg = config.get_cfg();
        libconfig::Setting &root = cfg.getRoot();

        try
        {
            root.add("Hello", libconfig::Setting::TypeString) = "World! 🙂";
            config.write();
        }
        catch (const std::exception &e)
        {
            exception = true;
        }

        THEN ("No exception is thrown")
        {
            REQUIRE_FALSE(exception);
        }

        WHEN ("Reading config")
        {
            string value;

            try
            {
                value = root["Hello"].c_str();
            }
            catch (const std::exception &e)
            {
                exception = true;
            }

            THEN ("No exception is thrown")
                AND_THEN ("Value is correct")
            {
                REQUIRE_FALSE(exception);
                REQUIRE(value == "World! 🙂");
            }
        }
    }
}