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# coding=utf-8
"""
Cmd2 testing for argument parsing
"""
import argparse
import pytest
import cmd2
from conftest import run_cmd, StdOut
class ArgparseApp(cmd2.Cmd):
def __init__(self):
self.maxrepeats = 3
cmd2.Cmd.__init__(self)
argparser = argparse.ArgumentParser(
prog='say',
description='Repeats what you tell me to'
)
argparser.add_argument('-p', '--piglatin', action='store_true', help='atinLay')
argparser.add_argument('-s', '--shout', action='store_true', help='N00B EMULATION MODE')
argparser.add_argument('-r', '--repeat', type=int, help='output [n] times')
argparser.add_argument('words', nargs='+', help='words to say')
@cmd2.with_argument_parser(argparser)
def do_say(self, cmdline, args=None):
words = []
for word in args.words:
if word is None:
word = ''
if args.piglatin:
word = '%s%say' % (word[1:], word[0])
if args.shout:
word = word.upper()
words.append(word)
repetitions = args.repeat or 1
for i in range(min(repetitions, self.maxrepeats)):
self.stdout.write(' '.join(words))
self.stdout.write('\n')
@pytest.fixture
def argparse_app():
app = ArgparseApp()
app.stdout = StdOut()
return app
def test_argparse_basic_command(argparse_app):
out = run_cmd(argparse_app, 'say hello')
assert out == ['hello']
def test_argparse_quoted_arguments(argparse_app):
argparse_app.POSIX = False
argparse_app.STRIP_QUOTES_FOR_NON_POSIX = True
out = run_cmd(argparse_app, 'say "hello there"')
assert out == ['hello there']
def test_pargparse_quoted_arguments_too_many(argparse_app):
argparse_app.POSIX = False
argparse_app.STRIP_QUOTES_FOR_NON_POSIX = True
out = run_cmd(argparse_app, 'say "hello there" morty')
assert out == ['hello there morty']
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