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/* vim: set sw=4 sts=4 et foldmethod=syntax : */

/*
 * Copyright (c) 2007 Ciaran McCreesh <ciaran.mccreesh@blueyonder.co.uk>
 *
 * This file is part of the Paludis package manager. Paludis is free software;
 * you can redistribute it and/or modify it under the terms of the GNU General
 * Public License version 2, as published by the Free Software Foundation.
 *
 * Paludis is distributed in the hope that it will be useful, but WITHOUT ANY
 * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
 * details.
 *
 * You should have received a copy of the GNU General Public License along with
 * this program; if not, write to the Free Software Foundation, Inc., 59 Temple
 * Place, Suite 330, Boston, MA  02111-1307  USA
 */

#include <paludis/repositories/e/fetch_visitor.hh>
#include <paludis/repositories/e/eapi.hh>
#include <paludis/repositories/e/dep_parser.hh>
#include <paludis/repositories/fake/fake_repository.hh>
#include <paludis/environments/test/test_environment.hh>
#include <paludis/util/sequence.hh>
#include <paludis/util/make_shared_ptr.hh>
#include <paludis/package_database.hh>
#include <paludis/query.hh>
#include <test/test_runner.hh>
#include <test/test_framework.hh>
#include <libwrapiter/libwrapiter_forward_iterator.hh>
#include <fstream>
#include <iterator>

using namespace test;
using namespace paludis;
using namespace paludis::erepository;

namespace test_cases
{
    struct FetchVisitorTest : TestCase
    {
        FetchVisitorTest() : TestCase("fetch visitor") { }

        void run()
        {
            TestEnvironment env;
            const tr1::shared_ptr<FakeRepository> repo(new FakeRepository(&env, RepositoryName("repo")));
            env.package_database()->add_repository(1, repo);
            repo->add_version("cat", "pkg", "1");

            TEST_CHECK(FSEntry("fetch_visitor_TEST_dir/in/input1").exists());
            TEST_CHECK(! FSEntry("fetch_visitor_TEST_dir/out/input1").exists());

            const tr1::shared_ptr<const EAPI> eapi(EAPIData::get_instance()->eapi_from_string("exheres-0"));
            FetchVisitor v(&env, *env.package_database()->query(query::Matches(PackageDepSpec("=cat/pkg-1", pds_pm_permissive)),
                        qo_require_exactly_one)->begin(),
                    *eapi, FSEntry("fetch_visitor_TEST_dir/out"),
                    false, false, "test", make_shared_ptr(new URIListedThenMirrorsLabel("listed-then-mirrors")), false);
            parse_fetchable_uri("file:///" + stringify(FSEntry("fetch_visitor_TEST_dir/in/input1").realpath()), *eapi)->accept(v);

            TEST_CHECK(FSEntry("fetch_visitor_TEST_dir/out/input1").is_regular_file());
            std::ifstream f(stringify(FSEntry("fetch_visitor_TEST_dir/out/input1")).c_str());
            TEST_CHECK(f);
            std::string s((std::istreambuf_iterator<char>(f)), std::istreambuf_iterator<char>());
            TEST_CHECK_EQUAL(s, "contents of one\n");
        }

        bool repeatable() const
        {
            return false;
        }
    } test_fetch_visitor;
}