# 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 pytest
from spack.main import SpackCommand
[docs]@pytest.mark.xfail
def test_reuse_after_help():
"""Test `spack help` can be called twice with the same SpackCommand."""
help_cmd = SpackCommand('help')
help_cmd()
# This second invocation will somehow fail because the parser no
# longer works after add_all_commands() is called in
# SpackArgumentParser.format_help_sections().
#
# TODO: figure out why this doesn't work properly and change this
# test to use a single SpackCommand.
#
# It seems that parse_known_args() finds "too few arguments" the
# second time through b/c add_all_commands() ends up leaving extra
# positionals in the parser. But this used to work before we loaded
# commands lazily.
help_cmd()
[docs]def test_help():
"""Sanity check the help command to make sure it works."""
help_cmd = SpackCommand('help')
out = help_cmd()
assert 'These are common spack commands:' in out
[docs]def test_help_all():
"""Test the spack help --all flag"""
help_cmd = SpackCommand('help')
out = help_cmd('--all')
assert 'Complete list of spack commands:' in out
[docs]def test_help_spec():
"""Test the spack help --spec flag"""
help_cmd = SpackCommand('help')
out = help_cmd('--spec')
assert 'spec expression syntax:' in out
[docs]def test_help_subcommand():
"""Test the spack help subcommand argument"""
help_cmd = SpackCommand('help')
out = help_cmd('help')
assert 'get help on spack and its commands' in out