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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.util.naming import mod_to_class
from spack.spec import *


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


def test_package_name(builtin_mock):
    pkg = spack.repo.get('mpich')
    assert pkg.name == 'mpich'


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


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


def test_package_class_names():
    assert 'Mpich' == mod_to_class('mpich')
    assert 'PmgrCollective' == mod_to_class('pmgr_collective')
    assert 'PmgrCollective' == mod_to_class('pmgr-collective')
    assert 'Pmgrcollective' == mod_to_class('PmgrCollective')
    assert '_3db' == mod_to_class('3db')


# Below tests target direct imports of spack packages from the
# spack.pkg namespace
def test_import_package(builtin_mock):
    import spack.pkg.builtin.mock.mpich             # noqa


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

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


def test_inheritance_of_diretives():
    p = spack.repo.get('simple-inheritance')

    # Check dictionaries that should have been filled by directives
    assert len(p.dependencies) == 3
    assert 'cmake' in p.dependencies
    assert 'openblas' in p.dependencies
    assert 'mpi' in p.dependencies
    assert len(p.provided) == 2

    # Check that Spec instantiation behaves as we expect
    s = Spec('simple-inheritance')
    s.concretize()
    assert '^cmake' in s
    assert '^openblas' in s
    assert '+openblas' in s
    assert 'mpi' in s

    s = Spec('simple-inheritance~openblas')
    s.concretize()
    assert '^cmake' in s
    assert '^openblas' not in s
    assert '~openblas' in s
    assert 'mpi' in s


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


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


def test_import_namespace_container_modules(builtin_mock):
    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