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# Copyright 2013-2024 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)
import platform
import sys
import pytest
import spack
from spack.main import SpackCommand
python = SpackCommand("python")
def test_python():
out = python("-c", "import spack; print(spack.spack_version)")
assert out.strip() == spack.spack_version
def test_python_interpreter_path():
out = python("--path")
assert out.strip() == sys.executable
def test_python_version():
out = python("-V")
assert platform.python_version() in out
def test_python_with_module():
# pytest rewrites a lot of modules, which interferes with runpy, so
# it's hard to test this. Trying to import a module like sys, that
# has no code associated with it, raises an error reliably in python
# 2 and 3, which indicates we successfully ran runpy.run_module.
with pytest.raises(ImportError, match="No code object"):
python("-m", "sys")
def test_python_raises():
out = python("--foobar", fail_on_error=False)
assert "Error: Unknown arguments" in out
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