def test_docs_input_output(rules_statements_output):
from blessings import Terminal
from docopt import docopt
from luca import commandline
rules_path, statement_paths, output_path = rules_statements_output
terminal = Terminal(kind='ansi', force_styling=True)
terminal._height_and_width = lambda: (24, 48)
argv = ['tally', rules_path] + statement_paths
if rules_path.endswith('t.yaml'):
argv.append('-t')
args = docopt(commandline.__doc__, argv)
lines = list(commandline._main(args, terminal))
lines.append('')
output = '\n'.join(lines)
with open(output_path) as output_file:
expected = output_file.read()
assert expected == output
