Source code for spack.test.cmd.python

# 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)

import platform
import sys

import pytest

import spack
from spack.main import SpackCommand

python = SpackCommand("python")


[docs]def test_python(): out = python("-c", "import spack; print(spack.spack_version)") assert out.strip() == spack.spack_version
[docs]def test_python_interpreter_path(): out = python("--path") assert out.strip() == sys.executable
[docs]def test_python_version(): out = python("-V") assert platform.python_version() in out
[docs]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")
[docs]def test_python_raises(): out = python("--foobar", fail_on_error=False) assert "Error: Unknown arguments" in out