from checker import run, read_linter_config, prevalidate
def test_run():
    result = run(['true'])
    assert result is True
    result = run(['false'])
    assert result is False
    result = run(['false'], ignore_codes=(1,))
    assert result is True
    result = run(['false'], ignore_codes=(127,))
    assert result is False
    result = run(['echo', 'hi'], get_output=False)
    assert result is True
    result = run(['echo', 'hi'], get_output=True)
    assert result == 'hi\n'
def test_read_linter_config():
    config = read_linter_config('flake8')
    assert config is not None
    assert 'exec' in config
    assert 'setup' in config
    assert len(config['setup']) > 0
    config = read_linter_config('perfectlinter')
    assert config is None
def test_prevalidate():
    assert not prevalidate({})
    config = {'scm': 'fossil', 'url': 'http://www.fossil-scm.org/'}
    assert not prevalidate(config)
    config = {'scm': 'hg', 'url': 'https://selenic.com/hg'}
    assert prevalidate(config)