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# Copyright 2013-2023 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)
"""Test environment internals without CLI"""
import io
import os
import sys
import pytest
import llnl.util.filesystem as fs
import spack.environment as ev
import spack.spec
pytestmark = pytest.mark.skipif(
sys.platform == "win32", reason="Envs are not supported on windows"
)
def test_hash_change_no_rehash_concrete(tmpdir, mock_packages, config):
# create an environment
env_path = tmpdir.mkdir("env_dir").strpath
env = ev.Environment(env_path)
env.write()
# add a spec with a rewritten build hash
spec = spack.spec.Spec("mpileaks")
env.add(spec)
env.concretize()
# rewrite the hash
old_hash = env.concretized_order[0]
new_hash = "abc"
env.specs_by_hash[old_hash]._hash = new_hash
env.concretized_order[0] = new_hash
env.specs_by_hash[new_hash] = env.specs_by_hash[old_hash]
del env.specs_by_hash[old_hash]
env.write()
# Read environment
read_in = ev.Environment(env_path)
# Ensure read hashes are used (rewritten hash seen on read)
assert read_in.concretized_order
assert read_in.concretized_order[0] in read_in.specs_by_hash
assert read_in.specs_by_hash[read_in.concretized_order[0]]._hash == new_hash
def test_env_change_spec(tmpdir, mock_packages, config):
env_path = tmpdir.mkdir("env_dir").strpath
env = ev.Environment(env_path)
env.write()
spec = spack.spec.Spec("mpileaks@2.1~shared+debug")
env.add(spec)
env.write()
change_spec = spack.spec.Spec("mpileaks@2.2")
env.change_existing_spec(change_spec)
(spec,) = env.added_specs()
assert spec == spack.spec.Spec("mpileaks@2.2~shared+debug")
change_spec = spack.spec.Spec("mpileaks~debug")
env.change_existing_spec(change_spec)
(spec,) = env.added_specs()
assert spec == spack.spec.Spec("mpileaks@2.2~shared~debug")
_test_matrix_yaml = """\
env:
definitions:
- compilers: ["%gcc", "%clang"]
- desired_specs: ["mpileaks@2.1"]
specs:
- matrix:
- [$compilers]
- [$desired_specs]
"""
def test_env_change_spec_in_definition(tmpdir, mock_packages, config, mutable_mock_env_path):
initial_yaml = io.StringIO(_test_matrix_yaml)
e = ev.create("test", initial_yaml)
e.concretize()
e.write()
assert any(x.satisfies("mpileaks@2.1%gcc") for x in e.user_specs)
e.change_existing_spec(spack.spec.Spec("mpileaks@2.2"), list_name="desired_specs")
e.write()
assert any(x.satisfies("mpileaks@2.2%gcc") for x in e.user_specs)
assert not any(x.satisfies("mpileaks@2.1%gcc") for x in e.user_specs)
def test_env_change_spec_in_matrix_raises_error(
tmpdir, mock_packages, config, mutable_mock_env_path
):
initial_yaml = io.StringIO(_test_matrix_yaml)
e = ev.create("test", initial_yaml)
e.concretize()
e.write()
with pytest.raises(spack.environment.SpackEnvironmentError) as error:
e.change_existing_spec(spack.spec.Spec("mpileaks@2.2"))
assert "Cannot directly change specs in matrices" in str(error)
def test_activate_should_require_an_env():
with pytest.raises(TypeError):
ev.activate(env="name")
with pytest.raises(TypeError):
ev.activate(env=None)
def test_user_view_path_is_not_canonicalized_in_yaml(tmpdir, config):
# When spack.yaml files are checked into version control, we
# don't want view: ./relative to get canonicalized on disk.
# We create a view in <tmpdir>/env_dir
env_path = tmpdir.mkdir("env_dir").strpath
# And use a relative path to specify the view dir
view = os.path.join(".", "view")
# Which should always resolve to the following independent of cwd.
absolute_view = os.path.join(env_path, "view")
# Serialize environment with relative view path
with fs.working_dir(str(tmpdir)):
fst = ev.Environment(env_path, with_view=view)
fst.write()
# The view link should be created
assert os.path.isdir(absolute_view)
# Deserialize and check if the view path is still relative in yaml
# and also check that the getter is pointing to the right dir.
with fs.working_dir(str(tmpdir)):
snd = ev.Environment(env_path)
assert snd.yaml["spack"]["view"] == view
assert os.path.samefile(snd.default_view.root, absolute_view)
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