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import textwrap
import pytest
from pkgcheck import cli
from snakeoil.cli import arghparse
class TestConfigFileParser:
@pytest.fixture(autouse=True)
def _create_argparser(self, tmp_path):
self.config_file = str(tmp_path / 'config')
self.parser = arghparse.ArgumentParser()
self.namespace = arghparse.Namespace()
self.config_parser = cli.ConfigFileParser(self.parser)
def test_no_configs(self):
config = self.config_parser.parse_config(())
assert config.sections() == []
namespace = self.config_parser.parse_config_options(self.namespace)
assert vars(namespace) == {}
def test_ignored_configs(self):
# nonexistent config files are ignored
config = self.config_parser.parse_config(('foo', 'bar'))
assert config.sections() == []
def test_bad_config_format(self, capsys):
with open(self.config_file, 'w') as f:
f.write('foobar\n')
with pytest.raises(SystemExit) as excinfo:
self.config_parser.parse_config((self.config_file,))
out, err = capsys.readouterr()
assert not out
assert 'parsing config file failed:' in err
assert excinfo.value.code == 2
def test_nonexistent_config_options(self, capsys):
"""Nonexistent parser arguments cause errors."""
with open(self.config_file, 'w') as f:
f.write(textwrap.dedent("""
[DEFAULT]
foo=bar
"""))
with pytest.raises(SystemExit) as excinfo:
self.config_parser.parse_config_options(self.namespace, configs=[self.config_file])
out, err = capsys.readouterr()
assert not out
assert 'failed loading config: unknown arguments: --foo=bar' in err
assert excinfo.value.code == 2
def test_config_options(self):
self.parser.add_argument('--foo')
with open(self.config_file, 'w') as f:
f.write(textwrap.dedent("""
[DEFAULT]
foo=bar
"""))
namespace = self.parser.parse_args(['--foo', 'foo'])
assert namespace.foo == 'foo'
# config args override matching namespace attrs
namespace = self.config_parser.parse_config_options(namespace, configs=[self.config_file])
assert namespace.foo == 'bar'
def test_config_checksets(self):
namespace = self.parser.parse_args([])
namespace.config_checksets = {}
# checksets section exists with no entries
with open(self.config_file, 'w') as f:
f.write(textwrap.dedent("""
[CHECKSETS]
"""))
namespace = self.config_parser.parse_config_options(namespace, configs=[self.config_file])
assert namespace.config_checksets == {}
# checksets section with entries including empty set
with open(self.config_file, 'w') as f:
f.write(textwrap.dedent("""
[CHECKSETS]
set1=keyword
set2=check,-keyword
set3=
"""))
namespace = self.config_parser.parse_config_options(namespace, configs=[self.config_file])
assert namespace.config_checksets == {'set1': ['keyword'], 'set2': ['check', '-keyword']}
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