134 lines
4.5 KiB
Python
134 lines
4.5 KiB
Python
##############################################################################
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# Copyright (c) 2013, Lawrence Livermore National Security, LLC.
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# Produced at the Lawrence Livermore National Laboratory.
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#
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# This file is part of Spack.
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# Written by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
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# LLNL-CODE-647188
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#
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# For details, see https://github.com/llnl/spack
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# Please also see the LICENSE file for our notice and the LGPL.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License (as published by
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# the Free Software Foundation) version 2.1 dated February 1999.
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#
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# This program is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
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# conditions of the GNU General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public License
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# along with this program; if not, write to the Free Software Foundation,
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# Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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##############################################################################
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import os
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import shutil
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import tempfile
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import unittest
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import spack
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import spack.config
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from llnl.util.filesystem import mkdirp
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from ordereddict_backport import OrderedDict
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from spack.repository import RepoPath
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from spack.spec import Spec
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mock_compiler_config = """\
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compilers:
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all:
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clang@3.3:
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cc: /path/to/clang
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cxx: /path/to/clang++
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f77: None
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fc: None
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gcc@4.5.0:
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cc: /path/to/gcc
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cxx: /path/to/g++
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f77: /path/to/gfortran
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fc: /path/to/gfortran
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"""
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mock_packages_config = """\
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packages:
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externaltool:
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nobuild: True
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paths:
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externaltool@1.0%gcc@4.5.0: /path/to/external_tool
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externalvirtual:
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nobuild: True
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paths:
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externalvirtual@2.0%clang@3.3: /path/to/external_virtual_clang
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externalvirtual@1.0%gcc@4.5.0: /path/to/external_virtual_gcc
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"""
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class MockPackagesTest(unittest.TestCase):
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def initmock(self):
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# Use the mock packages database for these tests. This allows
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# us to set up contrived packages that don't interfere with
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# real ones.
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self.db = RepoPath(spack.mock_packages_path)
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spack.repo.swap(self.db)
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spack.config.clear_config_caches()
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self.real_scopes = spack.config.config_scopes
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# Mock up temporary configuration directories
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self.temp_config = tempfile.mkdtemp()
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self.mock_site_config = os.path.join(self.temp_config, 'site')
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self.mock_user_config = os.path.join(self.temp_config, 'user')
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mkdirp(self.mock_site_config)
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mkdirp(self.mock_user_config)
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for confs in [('compilers.yaml', mock_compiler_config), ('packages.yaml', mock_packages_config)]:
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conf_yaml = os.path.join(self.mock_site_config, confs[0])
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with open(conf_yaml, 'w') as f:
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f.write(confs[1])
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# TODO: Mocking this up is kind of brittle b/c ConfigScope
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# TODO: constructor modifies config_scopes. Make it cleaner.
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spack.config.config_scopes = OrderedDict()
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spack.config.ConfigScope('site', self.mock_site_config)
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spack.config.ConfigScope('user', self.mock_user_config)
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# Store changes to the package's dependencies so we can
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# restore later.
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self.saved_deps = {}
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def set_pkg_dep(self, pkg_name, spec):
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"""Alters dependence information for a package.
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Adds a dependency on <spec> to pkg.
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Use this to mock up constraints.
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"""
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spec = Spec(spec)
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# Save original dependencies before making any changes.
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pkg = spack.repo.get(pkg_name)
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if pkg_name not in self.saved_deps:
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self.saved_deps[pkg_name] = (pkg, pkg.dependencies.copy())
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# Change dep spec
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pkg.dependencies[spec.name] = { Spec(pkg_name) : spec }
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def cleanmock(self):
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"""Restore the real packages path after any test."""
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spack.repo.swap(self.db)
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spack.config.config_scopes = self.real_scopes
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shutil.rmtree(self.temp_config, ignore_errors=True)
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spack.config.clear_config_caches()
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# Restore dependency changes that happened during the test
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for pkg_name, (pkg, deps) in self.saved_deps.items():
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pkg.dependencies.clear()
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pkg.dependencies.update(deps)
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def setUp(self):
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self.initmock()
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def tearDown(self):
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self.cleanmock()
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