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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 unittest
import os
from spack.environment import EnvironmentModifications
class EnvironmentTest(unittest.TestCase):
def setUp(self):
os.environ.clear()
os.environ['UNSET_ME'] = 'foo'
os.environ['EMPTY_PATH_LIST'] = ''
os.environ['PATH_LIST'] = '/path/second:/path/third'
os.environ['REMOVE_PATH_LIST'] = '/a/b:/duplicate:/a/c:/remove/this:/a/d:/duplicate/:/f/g'
def test_set(self):
env = EnvironmentModifications()
env.set('A', 'dummy value')
env.set('B', 3)
env.apply_modifications()
self.assertEqual('dummy value', os.environ['A'])
self.assertEqual(str(3), os.environ['B'])
def test_unset(self):
env = EnvironmentModifications()
self.assertEqual('foo', os.environ['UNSET_ME'])
env.unset('UNSET_ME')
env.apply_modifications()
self.assertRaises(KeyError, os.environ.__getitem__, 'UNSET_ME')
def test_set_path(self):
env = EnvironmentModifications()
env.set_path('A', ['foo', 'bar', 'baz'])
env.apply_modifications()
self.assertEqual('foo:bar:baz', os.environ['A'])
def test_path_manipulation(self):
env = EnvironmentModifications()
env.append_path('PATH_LIST', '/path/last')
env.prepend_path('PATH_LIST', '/path/first')
env.append_path('EMPTY_PATH_LIST', '/path/middle')
env.append_path('EMPTY_PATH_LIST', '/path/last')
env.prepend_path('EMPTY_PATH_LIST', '/path/first')
env.append_path('NEWLY_CREATED_PATH_LIST', '/path/middle')
env.append_path('NEWLY_CREATED_PATH_LIST', '/path/last')
env.prepend_path('NEWLY_CREATED_PATH_LIST', '/path/first')
env.remove_path('REMOVE_PATH_LIST', '/remove/this')
env.remove_path('REMOVE_PATH_LIST', '/duplicate/')
env.apply_modifications()
self.assertEqual('/path/first:/path/second:/path/third:/path/last', os.environ['PATH_LIST'])
self.assertEqual('/path/first:/path/middle:/path/last', os.environ['EMPTY_PATH_LIST'])
self.assertEqual('/path/first:/path/middle:/path/last', os.environ['NEWLY_CREATED_PATH_LIST'])
self.assertEqual('/a/b:/a/c:/a/d:/f/g', os.environ['REMOVE_PATH_LIST'])
def test_extra_arguments(self):
env = EnvironmentModifications()
env.set('A', 'dummy value', who='Pkg1')
for x in env:
assert 'who' in x.args
env.apply_modifications()
self.assertEqual('dummy value', os.environ['A'])
def test_extend(self):
env = EnvironmentModifications()
env.set('A', 'dummy value')
env.set('B', 3)
copy_construct = EnvironmentModifications(env)
self.assertEqual(len(copy_construct), 2)
for x, y in zip(env, copy_construct):
assert x is y
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