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##############################################################################
# Copyright (c) 2013-2018, 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/spack/spack
# Please also see the NOTICE and LICENSE files 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 pytest
import spack.store
from spack.main import SpackCommand, SpackCommandError

uninstall = SpackCommand('uninstall')


class MockArgs(object):

    def __init__(self, packages, all=False, force=False, dependents=False):
        self.packages = packages
        self.all = all
        self.force = force
        self.dependents = dependents
        self.yes_to_all = True


@pytest.mark.db
@pytest.mark.usefixtures('database')
def test_multiple_matches():
    """Test unable to uninstall when multiple matches."""
    with pytest.raises(SpackCommandError):
        uninstall('-y', 'mpileaks')


@pytest.mark.db
@pytest.mark.usefixtures('database')
def test_installed_dependents():
    """Test can't uninstall when ther are installed dependents."""
    with pytest.raises(SpackCommandError):
        uninstall('-y', 'libelf')


@pytest.mark.db
@pytest.mark.usefixtures('database')
def test_recursive_uninstall():
    """Test recursive uninstall."""
    uninstall('-y', '-a', '--dependents', 'callpath')

    all_specs = spack.store.layout.all_specs()
    assert len(all_specs) == 8
    # query specs with multiple configurations
    mpileaks_specs = [s for s in all_specs if s.satisfies('mpileaks')]
    callpath_specs = [s for s in all_specs if s.satisfies('callpath')]
    mpi_specs = [s for s in all_specs if s.satisfies('mpi')]

    assert len(mpileaks_specs) == 0
    assert len(callpath_specs) == 0
    assert len(mpi_specs) == 3