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##############################################################################
# Copyright (c) 2013-2017, 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
##############################################################################
"""Test for multi_method dispatch."""
import spack
import pytest
from spack.multimethod import NoSuchMethodError
def test_no_version_match(builtin_mock):
pkg = spack.repo.get('multimethod@2.0')
with pytest.raises(NoSuchMethodError):
pkg.no_version_2()
def test_one_version_match(builtin_mock):
pkg = spack.repo.get('multimethod@1.0')
assert pkg.no_version_2() == 1
pkg = spack.repo.get('multimethod@3.0')
assert pkg.no_version_2() == 3
pkg = spack.repo.get('multimethod@4.0')
assert pkg.no_version_2() == 4
def test_version_overlap(builtin_mock):
pkg = spack.repo.get('multimethod@2.0')
assert pkg.version_overlap() == 1
pkg = spack.repo.get('multimethod@5.0')
assert pkg.version_overlap() == 2
def test_mpi_version(builtin_mock):
pkg = spack.repo.get('multimethod^mpich@3.0.4')
assert pkg.mpi_version() == 3
pkg = spack.repo.get('multimethod^mpich2@1.2')
assert pkg.mpi_version() == 2
pkg = spack.repo.get('multimethod^mpich@1.0')
assert pkg.mpi_version() == 1
def test_undefined_mpi_version(builtin_mock):
pkg = spack.repo.get('multimethod^mpich@0.4')
assert pkg.mpi_version() == 1
pkg = spack.repo.get('multimethod^mpich@1.4')
assert pkg.mpi_version() == 1
def test_default_works(builtin_mock):
pkg = spack.repo.get('multimethod%gcc')
assert pkg.has_a_default() == 'gcc'
pkg = spack.repo.get('multimethod%intel')
assert pkg.has_a_default() == 'intel'
pkg = spack.repo.get('multimethod%pgi')
assert pkg.has_a_default() == 'default'
def test_target_match(builtin_mock):
platform = spack.architecture.platform()
targets = list(platform.targets.values())
for target in targets[:-1]:
pkg = spack.repo.get('multimethod target=' + target.name)
assert pkg.different_by_target() == target.name
pkg = spack.repo.get('multimethod target=' + targets[-1].name)
if len(targets) == 1:
assert pkg.different_by_target() == targets[-1].name
else:
with pytest.raises(NoSuchMethodError):
pkg.different_by_target()
def test_dependency_match(builtin_mock):
pkg = spack.repo.get('multimethod^zmpi')
assert pkg.different_by_dep() == 'zmpi'
pkg = spack.repo.get('multimethod^mpich')
assert pkg.different_by_dep() == 'mpich'
# If we try to switch on some entirely different dep, it's ambiguous,
# but should take the first option
pkg = spack.repo.get('multimethod^foobar')
assert pkg.different_by_dep() == 'mpich'
def test_virtual_dep_match(builtin_mock):
pkg = spack.repo.get('multimethod^mpich2')
assert pkg.different_by_virtual_dep() == 2
pkg = spack.repo.get('multimethod^mpich@1.0')
assert pkg.different_by_virtual_dep() == 1
def test_multimethod_with_base_class(builtin_mock):
pkg = spack.repo.get('multimethod@3')
assert pkg.base_method() == "subclass_method"
pkg = spack.repo.get('multimethod@1')
assert pkg.base_method() == "base_method"
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