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##############################################################################
# Copyright (c) 2013, Lawrence Livermore National Security, LLC.
# Produced at the Lawrence Livermore National Laboratory.
#
# This file is part of Spack.
# Written by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
# LLNL-CODE-647188
#
# For details, see https://scalability-llnl.github.io/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 General Public License (as published by
# the Free Software Foundation) version 2.1 dated 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 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 unittest
from llnl.util.lang import list_modules
from llnl.util.filesystem import join_path
import spack
import spack.packages as packages
from spack.spec import Spec
mock_packages_path = join_path(spack.module_path, 'test', 'mock_packages')
original_deps = None
def set_pkg_dep(pkg, spec):
"""Alters dependence information for a pacakge.
Use this to mock up constraints.
"""
spec = Spec(spec)
packages.get(pkg).dependencies[spec.name] = spec
def restore_dependencies():
# each time through restore original dependencies & constraints
global original_deps
for pkg_name, deps in original_deps.iteritems():
packages.get(pkg_name).dependencies.clear()
for dep in deps:
set_pkg_dep(pkg_name, dep)
class MockPackagesTest(unittest.TestCase):
@classmethod
def setUpClass(cls):
# Use a different packages directory for these tests. We want to use
# mocked up packages that don't interfere with the real ones.
cls.real_packages_path = spack.packages_path
spack.packages_path = mock_packages_path
# First time through, record original relationships bt/w packages
global original_deps
original_deps = {}
for name in list_modules(mock_packages_path):
pkg = packages.get(name)
original_deps[name] = [
spec for spec in pkg.dependencies.values()]
@classmethod
def tearDownClass(cls):
"""Restore the real packages path after any test."""
restore_dependencies()
spack.packages_path = cls.real_packages_path
def setUp(self):
"""Before each test, restore deps between packages to original state."""
restore_dependencies()
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