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##############################################################################
# Copyright (c) 2013-2016, Lawrence Livermore National Security, LLC.
# Produced at the Lawrence Livermore National Laboratory.
#
# This file is part of Spack.
# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
# LLNL-CODE-647188
#
# For details, see https://github.com/llnl/spack
# Please also see the LICENSE file for our notice and the LGPL.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License (as
# published by the Free Software Foundation) version 2.1, February 1999.
#
# 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 terms and
# conditions of the GNU Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser 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
##############################################################################
import spack
from llnl.util.filesystem import join_path
from spack.repository import Repo
from spack.test.mock_packages_test import *
from spack.util.naming import mod_to_class


class PackagesTest(MockPackagesTest):

    def test_load_package(self):
        spack.repo.get('mpich')

    def test_package_name(self):
        pkg = spack.repo.get('mpich')
        self.assertEqual(pkg.name, 'mpich')

    def test_package_filename(self):
        repo = Repo(spack.mock_packages_path)
        filename = repo.filename_for_package_name('mpich')
        self.assertEqual(filename,
                         join_path(spack.mock_packages_path,
                                   'packages', 'mpich', 'package.py'))

    def test_nonexisting_package_filename(self):
        repo = Repo(spack.mock_packages_path)
        filename = repo.filename_for_package_name('some-nonexisting-package')
        self.assertEqual(
            filename,
            join_path(spack.mock_packages_path,
                      'packages', 'some-nonexisting-package', 'package.py'))

    def test_package_class_names(self):
        self.assertEqual('Mpich',          mod_to_class('mpich'))
        self.assertEqual('PmgrCollective', mod_to_class('pmgr_collective'))
        self.assertEqual('PmgrCollective', mod_to_class('pmgr-collective'))
        self.assertEqual('Pmgrcollective', mod_to_class('PmgrCollective'))
        self.assertEqual('_3db',        mod_to_class('3db'))

    #
    # Below tests target direct imports of spack packages from the
    # spack.pkg namespace
    #

    def test_import_package(self):
        import spack.pkg.builtin.mock.mpich             # noqa

    def test_import_package_as(self):
        import spack.pkg.builtin.mock.mpich as mp       # noqa

    def test_import_class_from_package(self):
        from spack.pkg.builtin.mock.mpich import Mpich  # noqa

    def test_import_module_from_package(self):
        from spack.pkg.builtin.mock import mpich        # noqa

    def test_import_namespace_container_modules(self):
        import spack.pkg                                # noqa
        import spack.pkg as p                           # noqa
        from spack import pkg                           # noqa

        import spack.pkg.builtin                        # noqa
        import spack.pkg.builtin as b                   # noqa
        from spack.pkg import builtin                   # noqa

        import spack.pkg.builtin.mock                   # noqa
        import spack.pkg.builtin.mock as m              # noqa
        from spack.pkg.builtin import mock              # noqa