/*
 * main.cpp -- main test file for OptionParser
 *
 * Copyright (c) 2013-2015 David Demelier <markand@malikania.fr>
 *
 * Permission to use, copy, modify, and/or distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

#define BOOST_TEST_MODULE "Options"
#include <boost/test/unit_test.hpp>

#include <options.hpp>

/*
 * Short options.
 * ------------------------------------------------------------------
 */

BOOST_AUTO_TEST_SUITE(short_options)

BOOST_AUTO_TEST_CASE(simple)
{
    std::vector<std::string> args{"-a", "-b"};

    auto pack = option::read(args, {
        { "-a", false },
        { "-b", false }
    });

    BOOST_TEST(pack.size() == 2U);
    BOOST_TEST(args.size() == 0U);
    BOOST_TEST(pack.count("-a") != 0);
    BOOST_TEST(pack.count("-b") != 0);
}

BOOST_AUTO_TEST_CASE(simple_arg)
{
    std::vector<std::string> args{"-v", "-cfoo.conf"};

    auto pack = option::read(args, {
        { "-v", false },
        { "-c", true  }
    });

    BOOST_TEST(pack.size() == 2U);
    BOOST_TEST(args.size() == 0U);
    BOOST_TEST(pack.count("-v") != 0);
    BOOST_TEST(pack.find("-c")->second == "foo.conf");
}

BOOST_AUTO_TEST_CASE(spaced_arg)
{
    std::vector<std::string> args{"-v", "-c", "foo.conf"};

    auto pack = option::read(args, {
        { "-v", false },
        { "-c", true  }
    });

    BOOST_TEST(pack.size() == 2U);
    BOOST_TEST(args.size() == 0U);
    BOOST_TEST(pack.count("-v") != 0);
    BOOST_TEST(pack.find("-c")->second == "foo.conf");
}

BOOST_AUTO_TEST_CASE(compacted)
{
    std::vector<std::string> args{"-abc"};

    auto pack = option::read(args, {
        { "-a", false },
        { "-b", false },
        { "-c", false },
    });

    BOOST_TEST(pack.size() == 3U);
    BOOST_TEST(args.size() == 0U);
    BOOST_TEST(pack.count("-a") != 0);
    BOOST_TEST(pack.count("-b") != 0);
    BOOST_TEST(pack.count("-c") != 0);
}

BOOST_AUTO_TEST_CASE(compacted_arg)
{
    std::vector<std::string> args{"-vdcfoo.conf"};

    auto pack = option::read(args, {
        { "-v", false },
        { "-d", false },
        { "-c", true },
    });

    BOOST_TEST(pack.size() == 3U);
    BOOST_TEST(args.size() == 0U);
    BOOST_TEST(pack.count("-v") != 0);
    BOOST_TEST(pack.count("-d") != 0);
    BOOST_TEST(pack.find("-c")->second == "foo.conf");
}

BOOST_AUTO_TEST_SUITE_END()

/*
 * Long options.
 * ------------------------------------------------------------------
 */

BOOST_AUTO_TEST_SUITE(long_options)

BOOST_AUTO_TEST_CASE(simple)
{
    std::vector<std::string> args{"--fullscreen"};

    auto pack = option::read(args, {
        { "--verbose",      false },
        { "--fullscreen",   false }
    });

    BOOST_TEST(pack.size() == 1U);
    BOOST_TEST(args.size() == 0U);
    BOOST_TEST(pack.count("--fullscreen") != 0);
}

BOOST_AUTO_TEST_CASE(simple_arg)
{
    std::vector<std::string> args{"--config", "config.conf", "--level", "2"};

    auto pack = option::read(args, {
        { "--config",   true },
        { "--level",    true }
    });

    BOOST_TEST(pack.size() == 2U);
    BOOST_TEST(args.size() == 0U);
    BOOST_TEST(pack.find("--config")->second == "config.conf");
    BOOST_TEST(pack.find("--level")->second == "2");
}

BOOST_AUTO_TEST_SUITE_END()

/*
 * Errors.
 * ------------------------------------------------------------------
 */

BOOST_AUTO_TEST_SUITE(errors)

BOOST_AUTO_TEST_CASE(stop)
{
    std::vector<std::string> args{"-v", "install", "-y", "irccd"};
    std::vector<std::string> expected{"install", "-y", "irccd"};

    auto pack = option::read(args, {{ "-v", false }});

    BOOST_TEST(pack.size() == 1U);
    BOOST_TEST(args.size() == 3U);
    BOOST_TEST(pack.count("-v") != 0);
    BOOST_TEST(expected == args);
}

BOOST_AUTO_TEST_CASE(missing_short_arg)
{
    std::vector<std::string> args{"-c"};

    BOOST_REQUIRE_THROW(option::read(args, {{ "-c", true }}), option::missing_value);
}

BOOST_AUTO_TEST_CASE(missing_short_arg2)
{
    const option::options options{
        { "-v", false },
        { "-c", true }
    };

    std::vector<std::string> args{"-vc"};

    BOOST_REQUIRE_THROW(option::read(args, options), option::missing_value);
}

BOOST_AUTO_TEST_CASE(missing_long_arg)
{
    const option::options options{
        { "--config", true }
    };

    std::vector<std::string> args{"--config"};

    BOOST_REQUIRE_THROW(option::read(args, options), option::missing_value);
}

BOOST_AUTO_TEST_CASE(invalid_option)
{
    const option::options options{
        { "-v", true }
    };

    std::vector<std::string> args{"-x"};

    BOOST_REQUIRE_THROW(option::read(args, options), option::invalid_option);
}

BOOST_AUTO_TEST_CASE(invalid_option2)
{
    const option::options options{
        { "--verbose", true }
    };

    std::vector<std::string> args{"--destroy"};

    BOOST_REQUIRE_THROW(option::read(args, options), option::invalid_option);
}

BOOST_AUTO_TEST_CASE(invalid_option3)
{
    const option::options options{
        { "-x", true }
    };

    std::vector<std::string> args{"-vx"};

    BOOST_REQUIRE_THROW(option::read(args, options), option::invalid_option);
}

BOOST_AUTO_TEST_SUITE_END()