Source code for spack.test.directory_layout

# Copyright 2013-2022 Lawrence Livermore National Security, LLC and other
# Spack Project Developers. See the top-level COPYRIGHT file for details.
# SPDX-License-Identifier: (Apache-2.0 OR MIT)

This test verifies that the Spack directory layout works properly.
import os
import os.path

import pytest

import spack.paths
import spack.repo
from spack.directory_layout import (
from spack.spec import Spec
from spack.util.path import path_to_os_path

# number of packages to test (to reduce test time)
max_packages = 10

[docs]def test_yaml_directory_layout_parameters(tmpdir, config): """This tests the various parameters that can be used to configure the install location """ spec = Spec('python') spec.concretize() # Ensure default layout matches expected spec format layout_default = DirectoryLayout(str(tmpdir)) path_default = layout_default.relative_path_for_spec(spec) assert(path_default == spec.format( "{architecture}/" "{}-{compiler.version}/" "{name}-{version}-{hash}")) # Test hash_length parameter works correctly layout_10 = DirectoryLayout(str(tmpdir), hash_length=10) path_10 = layout_10.relative_path_for_spec(spec) layout_7 = DirectoryLayout(str(tmpdir), hash_length=7) path_7 = layout_7.relative_path_for_spec(spec) assert(len(path_default) - len(path_10) == 22) assert(len(path_default) - len(path_7) == 25) # Test path_scheme arch, compiler, package7 = path_7.split('/') projections_package7 = {'all': "{name}-{version}-{hash:7}"} layout_package7 = DirectoryLayout(str(tmpdir), projections=projections_package7) path_package7 = layout_package7.relative_path_for_spec(spec) assert(package7 == path_package7) # Test separation of architecture or namespace spec2 = Spec('libelf').concretized() arch_scheme = "{architecture.platform}/{}/{architecture.os}/{name}/{version}/{hash:7}" # NOQA: ignore=E501 ns_scheme = "${ARCHITECTURE}/${NAMESPACE}/${PACKAGE}-${VERSION}-${HASH:7}" # NOQA: ignore=E501 arch_ns_scheme_projections = {'all': arch_scheme, 'python': ns_scheme} layout_arch_ns = DirectoryLayout( str(tmpdir), projections=arch_ns_scheme_projections) arch_path_spec2 = layout_arch_ns.relative_path_for_spec(spec2) assert(arch_path_spec2 == spec2.format(arch_scheme)) ns_path_spec = layout_arch_ns.relative_path_for_spec(spec) assert(ns_path_spec == spec.format(ns_scheme)) # Ensure conflicting parameters caught with pytest.raises(InvalidDirectoryLayoutParametersError): DirectoryLayout(str(tmpdir), hash_length=20, projections=projections_package7)
[docs]def test_read_and_write_spec(temporary_store, config, mock_packages): """This goes through each package in spack and creates a directory for it. It then ensures that the spec for the directory's installed package can be read back in consistently, and finally that the directory can be removed by the directory layout. """ layout = temporary_store.layout packages = list(spack.repo.path.all_packages())[:max_packages] for pkg in packages: if'external'): # External package tests cannot be installed continue spec = pkg.spec # If a spec fails to concretize, just skip it. If it is a # real error, it will be caught by concretization tests. try: spec.concretize() except Exception: continue layout.create_install_directory(spec) install_dir = path_to_os_path(layout.path_for_spec(spec))[0] spec_path = layout.spec_file_path(spec) # Ensure directory has been created in right place. assert os.path.isdir(install_dir) assert install_dir.startswith(temporary_store.root) # Ensure spec file exists when directory is created assert os.path.isfile(spec_path) assert spec_path.startswith(install_dir) # Make sure spec file can be read back in to get the original spec spec_from_file = layout.read_spec(spec_path) stored_deptypes = spack.hash_types.dag_hash expected = spec.copy(deps=stored_deptypes) expected._mark_concrete() assert expected.concrete assert expected == spec_from_file assert expected.eq_dag(spec_from_file) assert spec_from_file.concrete # Ensure that specs that come out "normal" are really normal. with open(spec_path) as spec_file: read_separately = Spec.from_yaml( # TODO: revise this when build deps are in dag_hash norm = read_separately.copy(deps=stored_deptypes) assert norm == spec_from_file assert norm.eq_dag(spec_from_file) # TODO: revise this when build deps are in dag_hash conc = read_separately.concretized().copy(deps=stored_deptypes) assert conc == spec_from_file assert conc.eq_dag(spec_from_file) assert expected.dag_hash() == spec_from_file.dag_hash() # Ensure directories are properly removed layout.remove_install_directory(spec) assert not os.path.isdir(install_dir) assert not os.path.exists(install_dir)
[docs]def test_handle_unknown_package(temporary_store, config, mock_packages): """This test ensures that spack can at least do *some* operations with packages that are installed but that it does not know about. This is actually not such an uncommon scenario with spack; it can happen when you switch from a git branch where you're working on a new package. This test ensures that the directory layout stores enough information about installed packages' specs to uninstall or query them again if the package goes away. """ layout = temporary_store.layout mock_db = spack.repo.RepoPath(spack.paths.mock_packages_path) not_in_mock = set.difference( set(spack.repo.all_package_names()), set(mock_db.all_package_names())) packages = list(not_in_mock)[:max_packages] # Create all the packages that are not in mock. installed_specs = {} for pkg_name in packages: spec = spack.repo.get(pkg_name).spec # If a spec fails to concretize, just skip it. If it is a # real error, it will be caught by concretization tests. try: spec.concretize() except Exception: continue layout.create_install_directory(spec) installed_specs[spec] = layout.path_for_spec(spec) with spack.repo.use_repositories(mock_db): # Now check that even without the package files, we know # enough to read a spec from the spec file. for spec, path in installed_specs.items(): spec_from_file = layout.read_spec( os.path.join(path, '.spack', 'spec.json')) # To satisfy these conditions, directory layouts need to # read in concrete specs from their install dirs somehow. assert path == layout.path_for_spec(spec_from_file) assert spec == spec_from_file assert spec.eq_dag(spec_from_file) assert spec.dag_hash() == spec_from_file.dag_hash()
[docs]def test_find(temporary_store, config, mock_packages): """Test that finding specs within an install layout works.""" layout = temporary_store.layout packages = list(spack.repo.path.all_packages())[:max_packages] # Create install prefixes for all packages in the list installed_specs = {} for pkg in packages: if'external'): # External package tests cannot be installed continue spec = pkg.spec.concretized() installed_specs[] = spec layout.create_install_directory(spec) # Make sure all the installed specs appear in # DirectoryLayout.all_specs() found_specs = dict((, s) for s in layout.all_specs()) for name, spec in found_specs.items(): assert name in found_specs assert found_specs[name].eq_dag(spec)
[docs]def test_yaml_directory_layout_build_path(tmpdir, config): """This tests build path method.""" spec = Spec('python') spec.concretize() layout = DirectoryLayout(str(tmpdir)) rel_path = os.path.join(layout.metadata_dir, layout.packages_dir) assert layout.build_packages_path(spec) == os.path.join(spec.prefix, rel_path)