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# Tests for CLI help formatting
# Copyright (C) 2025 Nguyễn Gia Phong
#
# This file is part of scadere.
#
# Scadere is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published
# by the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Scadere is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with scadere. If not, see <https://www.gnu.org/licenses/>.
from contextlib import redirect_stdout, suppress
from io import StringIO
from hypothesis import example, given
from pytest import fixture, mark, raises
from scadere import NetLoc
from scadere.check import main as check
from scadere.listen import main as listen
@fixture(scope='session')
def help_string(request):
string = StringIO()
with suppress(SystemExit), redirect_stdout(string):
request.param(['--help'])
return string.getvalue()
@mark.parametrize('help_string', [check, listen], indirect=True)
def test_usage_prefix(help_string):
assert help_string.startswith('Usage: ')
@mark.parametrize('help_string', [check, listen], indirect=True)
def test_options_heading(help_string):
assert '\n\nOptions:\n' in help_string
@mark.parametrize('help_string', [check], indirect=True)
def test_one_or_more(help_string):
assert ' HOST[:PORT]...\n' in help_string
@mark.parametrize('help_string', [check], indirect=True)
@mark.parametrize('short,long,metavar', [('-d', '--days', 'DAYS'),
('-o', '--output', 'PATH')])
def test_long_option(help_string, short, long, metavar):
assert f'{short} {metavar}, {long}={metavar}' in help_string
@example('a.example:98', None) # string is unlikely to match .*:\d+
@given(...)
def test_netloc(string: str, default_port: int | None):
netloc = NetLoc(default_port)
if ':' not in string:
assert netloc(string) == (string, default_port)
else:
hostname, port = string.rsplit(':', 1)
try:
port_number = int(port)
except ValueError:
with raises(ValueError):
netloc(string)
else:
assert netloc(string) == (hostname, port_number)
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