# -*- Mode:Python; indent-tabs-mode:nil; tab-width:4 -*-
#
# Copyright (C) 2015-2018 Canonical Ltd
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 3 as
# published by the Free Software Foundation.
#
# This program 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, see <http://www.gnu.org/licenses/>.

import os
import sys

from testtools.matchers import FileExists

from snapcraft.internal import sources
from snapcraft.tests import unit


class TestRpm(unit.TestCase):

    def setUp(self):
        super().setUp()
        self.rpm_file_path = os.path.realpath(os.path.join(
            __file__, '..', '..', '..', 'integration', 'snaps',
            'rpm-hello', 'small-0.1-1.noarch.rpm'))

        self.dest_dir = 'dst'
        os.makedirs(self.dest_dir)

    def test_pull_rpm_file_must_extract(self):
        rpm_source = sources.Rpm(self.rpm_file_path, self.dest_dir)
        rpm_source.pull()

        self.assertThat(os.path.join(self.dest_dir, 'bin', 'hello'),
                        FileExists())

    def test_has_source_handler_entry_on_linux(self):
        if sys.platform == 'linux':
            self.assertTrue(sources._source_handler['rpm'] is sources.Rpm)
        else:
            self.assertRaises(KeyError, sources._source_handler['rpm'])
