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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 pytest
import spack
import spack.store
from spack.database import Database
from spack.directory_layout import YamlDirectoryLayout
from spack.fetch_strategy import URLFetchStrategy, FetchStrategyComposite
from spack.spec import Spec
import os
@pytest.fixture()
def install_mockery(tmpdir, config, builtin_mock):
"""Hooks a fake install directory and a fake db into Spack."""
layout = spack.store.layout
db = spack.store.db
# Use a fake install directory to avoid conflicts bt/w
# installed pkgs and mock packages.
spack.store.layout = YamlDirectoryLayout(str(tmpdir))
spack.store.db = Database(str(tmpdir))
# We use a fake package, so skip the checksum.
spack.do_checksum = False
yield
# Turn checksumming back on
spack.do_checksum = True
# Restore Spack's layout.
spack.store.layout = layout
spack.store.db = db
def fake_fetchify(url, pkg):
"""Fake the URL for a package so it downloads from a file."""
fetcher = FetchStrategyComposite()
fetcher.append(URLFetchStrategy(url))
pkg.fetcher = fetcher
@pytest.mark.usefixtures('install_mockery')
def test_install_and_uninstall(mock_archive):
# Get a basic concrete spec for the trivial install package.
spec = Spec('trivial-install-test-package')
spec.concretize()
assert spec.concrete
# Get the package
pkg = spack.repo.get(spec)
fake_fetchify(mock_archive.url, pkg)
try:
pkg.do_install()
pkg.do_uninstall()
except Exception:
pkg.remove_prefix()
raise
def mock_remove_prefix(*args):
raise MockInstallError(
"Intentional error",
"Mock remove_prefix method intentionally fails")
class RemovePrefixChecker(object):
def __init__(self, wrapped_rm_prefix):
self.removed = False
self.wrapped_rm_prefix = wrapped_rm_prefix
def remove_prefix(self):
self.removed = True
self.wrapped_rm_prefix()
class MockStage(object):
def __init__(self, wrapped_stage):
self.wrapped_stage = wrapped_stage
self.test_destroyed = False
def __enter__(self):
return self
def __exit__(self, *exc):
return True
def destroy(self):
self.test_destroyed = True
self.wrapped_stage.destroy()
def __getattr__(self, attr):
return getattr(self.wrapped_stage, attr)
@pytest.mark.usefixtures('install_mockery')
def test_partial_install_delete_prefix_and_stage(mock_archive):
spec = Spec('canfail')
spec.concretize()
pkg = spack.repo.get(spec)
fake_fetchify(mock_archive.url, pkg)
remove_prefix = spack.package.Package.remove_prefix
instance_rm_prefix = pkg.remove_prefix
try:
spack.package.Package.remove_prefix = mock_remove_prefix
with pytest.raises(MockInstallError):
pkg.do_install()
assert os.path.isdir(pkg.prefix)
rm_prefix_checker = RemovePrefixChecker(instance_rm_prefix)
spack.package.Package.remove_prefix = rm_prefix_checker.remove_prefix
setattr(pkg, 'succeed', True)
pkg.stage = MockStage(pkg.stage)
pkg.do_install(restage=True)
assert rm_prefix_checker.removed
assert pkg.stage.test_destroyed
assert pkg.installed
finally:
spack.package.Package.remove_prefix = remove_prefix
pkg._stage = None
try:
delattr(pkg, 'succeed')
except AttributeError:
pass
@pytest.mark.usefixtures('install_mockery')
def test_partial_install_keep_prefix(mock_archive):
spec = Spec('canfail')
spec.concretize()
pkg = spack.repo.get(spec)
# Normally the stage should start unset, but other tests set it
pkg._stage = None
fake_fetchify(mock_archive.url, pkg)
remove_prefix = spack.package.Package.remove_prefix
try:
# If remove_prefix is called at any point in this test, that is an
# error
spack.package.Package.remove_prefix = mock_remove_prefix
with pytest.raises(spack.build_environment.ChildError):
pkg.do_install(keep_prefix=True)
assert os.path.exists(pkg.prefix)
setattr(pkg, 'succeed', True)
pkg.stage = MockStage(pkg.stage)
pkg.do_install(keep_prefix=True)
assert pkg.installed
assert not pkg.stage.test_destroyed
finally:
spack.package.Package.remove_prefix = remove_prefix
pkg._stage = None
try:
delattr(pkg, 'succeed')
except AttributeError:
pass
@pytest.mark.usefixtures('install_mockery')
def test_second_install_no_overwrite_first(mock_archive):
spec = Spec('canfail')
spec.concretize()
pkg = spack.repo.get(spec)
fake_fetchify(mock_archive.url, pkg)
remove_prefix = spack.package.Package.remove_prefix
try:
spack.package.Package.remove_prefix = mock_remove_prefix
setattr(pkg, 'succeed', True)
pkg.do_install()
assert pkg.installed
# If Package.install is called after this point, it will fail
delattr(pkg, 'succeed')
pkg.do_install()
finally:
spack.package.Package.remove_prefix = remove_prefix
try:
delattr(pkg, 'succeed')
except AttributeError:
pass
@pytest.mark.usefixtures('install_mockery')
def test_store(mock_archive):
spec = Spec('cmake-client').concretized()
for s in spec.traverse():
fake_fetchify(mock_archive.url, s.package)
pkg = spec.package
try:
pkg.do_install()
except Exception:
pkg.remove_prefix()
raise
@pytest.mark.usefixtures('install_mockery')
def test_failing_build(mock_archive):
spec = Spec('failing-build').concretized()
for s in spec.traverse():
fake_fetchify(mock_archive.url, s.package)
pkg = spec.package
with pytest.raises(spack.build_environment.ChildError):
pkg.do_install()
class MockInstallError(spack.error.SpackError):
pass
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