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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)
say_parser = argparse.ArgumentParser()
say_parser.add_argument('-p', '--piglatin', action='store_true', help='atinLay')
say_parser.add_argument('-s', '--shout', action='store_true', help='N00B EMULATION MODE')
say_parser.add_argument('-r', '--repeat', type=int, help='output [n] times')
say_parser.add_argument('words', nargs='+', help='words to say')
@cmd2.with_argument_parser(say_parser)
def do_say(self, args):
"""Repeat what you tell me to."""
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')
tag_parser = argparse.ArgumentParser(description='create a html tag')
tag_parser.add_argument('tag', nargs=1, help='tag')
tag_parser.add_argument('content', nargs='+', help='content to surround with tag')
@cmd2.with_argument_parser(tag_parser)
def do_tag(self, args):
self.stdout.write('<{0}>{1}</{0}>'.format(args.tag[0], ' '.join(args.content)))
self.stdout.write('\n')
@cmd2.with_argument_list
def do_arglist(self, arglist):
if isinstance(arglist, list):
self.stdout.write('True')
else:
self.stdout.write('False')
@cmd2.with_argument_list
@cmd2.with_argument_list
def do_arglisttwice(self, arglist):
if isinstance(arglist, list):
self.stdout.write(' '.join(arglist))
else:
self.stdout.write('False')
known_parser = argparse.ArgumentParser()
known_parser.add_argument('-p', '--piglatin', action='store_true', help='atinLay')
known_parser.add_argument('-s', '--shout', action='store_true', help='N00B EMULATION MODE')
known_parser.add_argument('-r', '--repeat', type=int, help='output [n] times')
@cmd2.with_argparser_and_unknown_args(known_parser)
def do_speak(self, args, extra):
"""Repeat what you tell me to."""
words = []
for word in extra:
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')
@cmd2.with_argparser_and_unknown_args(known_parser)
def do_talk(self, args, extra):
words = []
for word in extra:
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_argparse_with_list(argparse_app):
out = run_cmd(argparse_app, 'speak -s hello world!')
assert out == ['HELLO WORLD!']
def test_argparse_with_list_and_empty_doc(argparse_app):
out = run_cmd(argparse_app, 'speak -s hello world!')
assert out == ['HELLO WORLD!']
def test_argparse_quoted_arguments_multiple(argparse_app):
argparse_app.POSIX = False
argparse_app.STRIP_QUOTES_FOR_NON_POSIX = True
out = run_cmd(argparse_app, 'say "hello there" "rick & morty"')
assert out == ['hello there rick & morty']
def test_argparse_quoted_arguments_posix(argparse_app):
argparse_app.POSIX = True
out = run_cmd(argparse_app, 'tag strong this should be loud')
assert out == ['<strong>this should be loud</strong>']
def test_argparse_quoted_arguments_posix_multiple(argparse_app):
argparse_app.POSIX = True
out = run_cmd(argparse_app, 'tag strong this "should be" loud')
assert out == ['<strong>this should be loud</strong>']
def test_argparse_help_docstring(argparse_app):
out = run_cmd(argparse_app, 'help say')
assert out[0] == 'Repeat what you tell me to.'
def test_argparse_help_description(argparse_app):
out = run_cmd(argparse_app, 'help tag')
assert out[2] == 'create a html tag'
def test_argparse_prog(argparse_app):
out = run_cmd(argparse_app, 'help tag')
progname = out[0].split(' ')[1]
assert progname == 'tag'
def test_arglist(argparse_app):
out = run_cmd(argparse_app, 'arglist "we should" get these')
assert out[0] == 'True'
def test_arglist_decorator_twice(argparse_app):
out = run_cmd(argparse_app, 'arglisttwice "we should" get these')
assert out[0] == 'we should get these'
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