// Copyright 2010 The Kyua Authors.

// All rights reserved.

//

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// modification, are permitted provided that the following conditions are

// met:

//

// * Redistributions of source code must retain the above copyright

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//   may be used to endorse or promote products derived from this software

//   without specific prior written permission.

//

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#include "utils/env.hpp"

#include <atf-c++.hpp>

#include "utils/fs/path.hpp"

#include "utils/optional.ipp"

namespace fs = utils::fs;

using utils::optional;

ATF_TEST_CASE_WITHOUT_HEAD(getallenv);

ATF_TEST_CASE_BODY(getallenv)

{

    utils::unsetenv("test-missing");

    utils::setenv("test-empty", "");

    utils::setenv("test-text", "some-value");

    const std::map< std::string, std::string > allenv = utils::getallenv();

    {

        const std::map< std::string, std::string >::const_iterator iter =

            allenv.find("test-missing");

        ATF_REQUIRE(iter == allenv.end());

    }

    {

        const std::map< std::string, std::string >::const_iterator iter =

            allenv.find("test-empty");

        ATF_REQUIRE(iter != allenv.end());

        ATF_REQUIRE((*iter).second.empty());

    }

    {

        const std::map< std::string, std::string >::const_iterator iter =

            allenv.find("test-text");

        ATF_REQUIRE(iter != allenv.end());

        ATF_REQUIRE_EQ("some-value", (*iter).second);

    }

    if (utils::getenv("PATH")) {

        const std::map< std::string, std::string >::const_iterator iter =

            allenv.find("PATH");

        ATF_REQUIRE(iter != allenv.end());

        ATF_REQUIRE_EQ(utils::getenv("PATH").get(), (*iter).second);

    }

}

ATF_TEST_CASE_WITHOUT_HEAD(getenv);

ATF_TEST_CASE_BODY(getenv)

{

    const optional< std::string > path = utils::getenv("PATH");

    ATF_REQUIRE(path);

    ATF_REQUIRE(!path.get().empty());

    ATF_REQUIRE(!utils::getenv("__UNDEFINED_VARIABLE__"));

}

ATF_TEST_CASE_WITHOUT_HEAD(getenv_with_default);

ATF_TEST_CASE_BODY(getenv_with_default)

{

    ATF_REQUIRE("don't use" !=

                utils::getenv_with_default("PATH", "don't use"));

    ATF_REQUIRE_EQ("foo",

                   utils::getenv_with_default("__UNDEFINED_VARIABLE__", "foo"));

}

ATF_TEST_CASE_WITHOUT_HEAD(get_home__ok);

ATF_TEST_CASE_BODY(get_home__ok)

{

    const fs::path home("/foo/bar");

    utils::setenv("HOME", home.str());

    const optional< fs::path > computed = utils::get_home();

    ATF_REQUIRE(computed);

    ATF_REQUIRE_EQ(home, computed.get());

}

ATF_TEST_CASE_WITHOUT_HEAD(get_home__missing);

ATF_TEST_CASE_BODY(get_home__missing)

{

    utils::unsetenv("HOME");

    ATF_REQUIRE(!utils::get_home());

}

ATF_TEST_CASE_WITHOUT_HEAD(get_home__invalid);

ATF_TEST_CASE_BODY(get_home__invalid)

{

    utils::setenv("HOME", "");

    ATF_REQUIRE(!utils::get_home());

}

ATF_TEST_CASE_WITHOUT_HEAD(setenv);

ATF_TEST_CASE_BODY(setenv)

{

    ATF_REQUIRE(utils::getenv("PATH"));

    const std::string oldval = utils::getenv("PATH").get();

    utils::setenv("PATH", "foo-bar");

    ATF_REQUIRE(utils::getenv("PATH").get() != oldval);

    ATF_REQUIRE_EQ("foo-bar", utils::getenv("PATH").get());

    ATF_REQUIRE(!utils::getenv("__UNDEFINED_VARIABLE__"));

    utils::setenv("__UNDEFINED_VARIABLE__", "foo2-bar2");

    ATF_REQUIRE_EQ("foo2-bar2", utils::getenv("__UNDEFINED_VARIABLE__").get());

}

ATF_TEST_CASE_WITHOUT_HEAD(unsetenv);

ATF_TEST_CASE_BODY(unsetenv)

{

    ATF_REQUIRE(utils::getenv("PATH"));

    utils::unsetenv("PATH");

    ATF_REQUIRE(!utils::getenv("PATH"));

}

ATF_INIT_TEST_CASES(tcs)

{

    ATF_ADD_TEST_CASE(tcs, getallenv);

    ATF_ADD_TEST_CASE(tcs, getenv);

    ATF_ADD_TEST_CASE(tcs, getenv_with_default);

    ATF_ADD_TEST_CASE(tcs, get_home__ok);

    ATF_ADD_TEST_CASE(tcs, get_home__missing);

    ATF_ADD_TEST_CASE(tcs, get_home__invalid);

    ATF_ADD_TEST_CASE(tcs, setenv);

    ATF_ADD_TEST_CASE(tcs, unsetenv);

}