tiramisu-cmdline-parser/tests/test_readme.py

891 lines
28 KiB
Python

from io import StringIO
from contextlib import redirect_stdout, redirect_stderr
import pytest
from tiramisu_cmdline_parser import TiramisuCmdlineParser
from tiramisu import IntOption, StrOption, BoolOption, ChoiceOption, \
SymLinkOption, OptionDescription, Config
from tiramisu_api import Config as JsonConfig
def get_config(json, has_tree=False, default_verbosity=False, add_long=False, add_store_false=False):
choiceoption = ChoiceOption('cmd',
'choice the sub argument',
('str', 'list', 'int', 'none'),
properties=('mandatory',
'positional'))
booloption = BoolOption('verbosity',
'increase output verbosity',
default=default_verbosity)
short_booloption = SymLinkOption('v', booloption)
str_ = StrOption('str',
'string option',
properties=('mandatory',),
requires=[{'option': choiceoption,
'expected': 'str',
'action': 'disabled',
'inverse': True}])
list_ = StrOption('list',
'list string option',
multi=True,
properties=('mandatory',),
requires=[{'option': choiceoption,
'expected': 'list',
'action': 'disabled',
'inverse': True}])
int_ = IntOption('int',
'int option',
properties=('mandatory',),
requires=[{'option': choiceoption,
'expected': 'int',
'action': 'disabled',
'inverse': True}])
root = OptionDescription('root',
'root',
[choiceoption,
booloption,
short_booloption,
str_,
list_,
int_
])
if has_tree:
root = OptionDescription('root',
'root',
[root])
config = Config(root)
config.property.read_write()
if add_store_false:
config.option('verbosity').property.add('storefalse')
if add_long:
config.option('verbosity').property.add('longargument')
if json == 'tiramisu':
return config
jconfig = JsonConfig(config.option.dict())
return jconfig
@pytest.fixture(params=['tiramisu', 'tiramisu-json'])
def json(request):
return request.param
def test_readme_help(json):
output = """usage: prog.py [-h] [-v] [-nv] {str,list,int,none}
positional arguments:
{str,list,int,none} choice the sub argument
optional arguments:
-h, --help show this help message and exit
-v, --verbosity increase output verbosity
-nv, --no-verbosity
"""
parser = TiramisuCmdlineParser(get_config(json), 'prog.py')
f = StringIO()
with redirect_stdout(f):
parser.print_help()
assert f.getvalue() == output
def test_readme_help_tree(json):
output = """usage: prog.py [-h] [-v] [-nv] {str,list,int,none}
optional arguments:
-h, --help show this help message and exit
root:
root
{str,list,int,none} choice the sub argument
-v, --root.verbosity increase output verbosity
-nv, --root.no-verbosity
"""
parser = TiramisuCmdlineParser(get_config(json, True), 'prog.py')
f = StringIO()
with redirect_stdout(f):
parser.print_help()
assert f.getvalue() == output
def test_readme_help_tree_flatten(json):
output = """usage: prog.py [-h] [-v] [-nv] {str,list,int,none}
optional arguments:
-h, --help show this help message and exit
root:
root
{str,list,int,none} choice the sub argument
-v, --verbosity increase output verbosity
-nv, --no-verbosity
"""
parser = TiramisuCmdlineParser(get_config(json, True), 'prog.py', fullpath=False)
f = StringIO()
with redirect_stdout(f):
parser.print_help()
assert f.getvalue() == output
def test_readme_help_modif_positional(json):
output = """usage: prog.py "str" [-h] [-v] [-nv] --str STR {str,list,int,none}
positional arguments:
{str,list,int,none} choice the sub argument
optional arguments:
-h, --help show this help message and exit
-v, --verbosity increase output verbosity
-nv, --no-verbosity
--str STR string option
"""
parser = TiramisuCmdlineParser(get_config(json), 'prog.py')
f = StringIO()
with redirect_stdout(f):
try:
parser.parse_args(['str', '--help'])
except SystemExit as err:
assert str(err) == "0"
else:
raise Exception('must raises')
assert f.getvalue() == output
def test_readme_help_modif_positional_remove(json):
output = """usage: prog.py "str" [-h] [-v] [-nv] --str STR
optional arguments:
-h, --help show this help message and exit
-v, --verbosity increase output verbosity
-nv, --no-verbosity
--str STR string option
"""
parser = TiramisuCmdlineParser(get_config(json), 'prog.py', display_modified_value=False)
f = StringIO()
with redirect_stdout(f):
try:
parser.parse_args(['str', '--help'])
except SystemExit as err:
assert str(err) == "0"
else:
raise Exception('must raises')
assert f.getvalue() == output
def test_readme_help_modif(json):
output = """usage: prog.py "str" --str "toto" [-h] [-v] [-nv] --str STR
{str,list,int,none}
positional arguments:
{str,list,int,none} choice the sub argument
optional arguments:
-h, --help show this help message and exit
-v, --verbosity increase output verbosity
-nv, --no-verbosity
--str STR string option
"""
parser = TiramisuCmdlineParser(get_config(json), 'prog.py')
f = StringIO()
with redirect_stdout(f):
try:
parser.parse_args(['str', '--str', 'toto', '--help'])
except SystemExit as err:
assert str(err) == "0"
else:
raise Exception('must raises')
assert f.getvalue() == output
def test_readme_help_modif_remove(json):
output = """usage: prog.py "str" --str "toto" [-h] [-v] [-nv]
optional arguments:
-h, --help show this help message and exit
-v, --verbosity increase output verbosity
-nv, --no-verbosity
"""
parser = TiramisuCmdlineParser(get_config(json), 'prog.py', display_modified_value=False)
f = StringIO()
with redirect_stdout(f):
try:
parser.parse_args(['str', '--str', 'toto', '--help'])
except SystemExit as err:
assert str(err) == "0"
else:
raise Exception('must raises')
assert f.getvalue() == output
def test_readme_help_modif_short(json):
output = """usage: prog.py "str" -v [-h] [-v] [-nv] --str STR {str,list,int,none}
positional arguments:
{str,list,int,none} choice the sub argument
optional arguments:
-h, --help show this help message and exit
-v, --verbosity increase output verbosity
-nv, --no-verbosity
--str STR string option
"""
parser = TiramisuCmdlineParser(get_config(json), 'prog.py')
f = StringIO()
with redirect_stdout(f):
try:
parser.parse_args(['str', '-v', '--help'])
except SystemExit as err:
assert str(err) == "0"
else:
raise Exception('must raises')
assert f.getvalue() == output
def test_readme_help_modif_short_remove(json):
# FIXME -v -nv ?? pas de description
output = """usage: prog.py "str" -v [-h] [-nv] --str STR
optional arguments:
-h, --help show this help message and exit
-nv, --no-verbosity increase output verbosity
--str STR string option
"""
parser = TiramisuCmdlineParser(get_config(json), 'prog.py', display_modified_value=False)
f = StringIO()
with redirect_stdout(f):
try:
parser.parse_args(['str', '-v', '--help'])
except SystemExit as err:
assert str(err) == "0"
else:
raise Exception('must raises')
assert f.getvalue() == output
def test_readme_help_modif_short_no1(json):
output = """usage: prog.py "str" -v [-h] [-v] [-nv] --str STR {str,list,int,none}
positional arguments:
{str,list,int,none} choice the sub argument
optional arguments:
-h, --help show this help message and exit
-v, --verbosity increase output verbosity
-nv, --no-verbosity
--str STR string option
"""
parser = TiramisuCmdlineParser(get_config(json), 'prog.py')
f = StringIO()
with redirect_stdout(f):
try:
parser.parse_args(['str', '-nv', '--help'])
except SystemExit as err:
assert str(err) == "0"
else:
raise Exception('must raises')
assert f.getvalue() == output
def test_readme_help_modif_short_no_remove(json):
output = """usage: prog.py "str" -v [-h] [-v] --str STR
optional arguments:
-h, --help show this help message and exit
-v, --verbosity increase output verbosity
--str STR string option
"""
parser = TiramisuCmdlineParser(get_config(json), 'prog.py', display_modified_value=False)
f = StringIO()
with redirect_stdout(f):
try:
parser.parse_args(['str', '-nv', '--help'])
except SystemExit as err:
assert str(err) == "0"
else:
raise Exception('must raises')
assert f.getvalue() == output
def test_readme_positional_mandatory(json):
output = """usage: prog.py [-h] [-v] [-nv] {str,list,int,none}
prog.py: error: the following arguments are required: cmd
"""
parser = TiramisuCmdlineParser(get_config(json), 'prog.py')
f = StringIO()
with redirect_stderr(f):
try:
parser.parse_args([])
except SystemExit as err:
assert str(err) == "2"
else:
raise Exception('must raises')
assert f.getvalue() == output
def test_readme_positional_mandatory_tree(json):
output = """usage: prog.py [-h] [-v] [-nv] {str,list,int,none}
prog.py: error: the following arguments are required: root.cmd
"""
parser = TiramisuCmdlineParser(get_config(json, True), 'prog.py')
f = StringIO()
with redirect_stderr(f):
try:
parser.parse_args([])
except SystemExit as err:
assert str(err) == "2"
else:
raise Exception('must raises')
assert f.getvalue() == output
def test_readme_positional_mandatory_tree_flatten(json):
output = """usage: prog.py [-h] [-v] [-nv] {str,list,int,none}
prog.py: error: the following arguments are required: cmd
"""
parser = TiramisuCmdlineParser(get_config(json, True), 'prog.py', fullpath=False)
f = StringIO()
with redirect_stderr(f):
try:
parser.parse_args([])
except SystemExit as err:
assert str(err) == "2"
else:
raise Exception('must raises')
assert f.getvalue() == output
def test_readme_mandatory(json):
output = """usage: prog.py "str" [-h] [-v] [-nv] --str STR {str,list,int,none}
prog.py: error: the following arguments are required: --str
"""
parser = TiramisuCmdlineParser(get_config(json), 'prog.py')
f = StringIO()
with redirect_stderr(f):
try:
parser.parse_args(['str'])
except SystemExit as err:
assert str(err) == "2"
else:
raise Exception('must raises')
assert f.getvalue() == output
def test_readme_mandatory_remove(json):
output = """usage: prog.py "str" [-h] [-v] [-nv] --str STR
prog.py: error: the following arguments are required: --str
"""
parser = TiramisuCmdlineParser(get_config(json), 'prog.py', display_modified_value=False)
f = StringIO()
with redirect_stderr(f):
try:
parser.parse_args(['str'])
except SystemExit as err:
assert str(err) == "2"
else:
raise Exception('must raises')
assert f.getvalue() == output
def test_readme_mandatory_tree(json):
output = """usage: prog.py "str" [-h] [-v] [-nv] --root.str STR {str,list,int,none}
prog.py: error: the following arguments are required: --root.str
"""
parser = TiramisuCmdlineParser(get_config(json, True), 'prog.py')
f = StringIO()
with redirect_stderr(f):
try:
parser.parse_args(['str'])
except SystemExit as err:
assert str(err) == "2"
else:
raise Exception('must raises')
assert f.getvalue() == output
def test_readme_mandatory_tree_remove(json):
output = """usage: prog.py "str" [-h] [-v] [-nv] --root.str STR
prog.py: error: the following arguments are required: --root.str
"""
parser = TiramisuCmdlineParser(get_config(json, True), 'prog.py', display_modified_value=False)
f = StringIO()
with redirect_stderr(f):
try:
parser.parse_args(['str'])
except SystemExit as err:
assert str(err) == "2"
else:
raise Exception('must raises')
assert f.getvalue() == output
def test_readme_mandatory_tree_flatten(json):
output = """usage: prog.py "str" [-h] [-v] [-nv] --str STR {str,list,int,none}
prog.py: error: the following arguments are required: --str
"""
parser = TiramisuCmdlineParser(get_config(json, True), 'prog.py', fullpath=False)
f = StringIO()
with redirect_stderr(f):
try:
parser.parse_args(['str'])
except SystemExit as err:
assert str(err) == "2"
else:
raise Exception('must raises')
assert f.getvalue() == output
def test_readme_mandatory_tree_flatten_remove(json):
output = """usage: prog.py "str" [-h] [-v] [-nv] --str STR
prog.py: error: the following arguments are required: --str
"""
parser = TiramisuCmdlineParser(get_config(json, True), 'prog.py', fullpath=False, display_modified_value=False)
f = StringIO()
with redirect_stderr(f):
try:
parser.parse_args(['str'])
except SystemExit as err:
assert str(err) == "2"
else:
raise Exception('must raises')
assert f.getvalue() == output
def test_readme_cross(json):
output = """usage: prog.py "none" [-h] [-v] [-nv] {str,list,int,none}
prog.py: error: unrecognized arguments: --int
"""
parser = TiramisuCmdlineParser(get_config(json), 'prog.py')
f = StringIO()
with redirect_stderr(f):
try:
parser.parse_args(['none', '--int'])
except SystemExit as err:
assert str(err) == "2"
else:
raise Exception('must raises')
assert f.getvalue() == output
def test_readme_cross_remove(json):
output = """usage: prog.py "none" [-h] [-v] [-nv]
prog.py: error: unrecognized arguments: --int
"""
parser = TiramisuCmdlineParser(get_config(json), 'prog.py', display_modified_value=False)
f = StringIO()
with redirect_stderr(f):
try:
parser.parse_args(['none', '--int'])
except SystemExit as err:
assert str(err) == "2"
else:
raise Exception('must raises')
assert f.getvalue() == output
def test_readme_cross_tree(json):
output = """usage: prog.py "none" [-h] [-v] [-nv] {str,list,int,none}
prog.py: error: unrecognized arguments: --root.int
"""
parser = TiramisuCmdlineParser(get_config(json, True), 'prog.py')
f = StringIO()
with redirect_stderr(f):
try:
parser.parse_args(['none', '--root.int'])
except SystemExit as err:
assert str(err) == "2"
else:
raise Exception('must raises')
assert f.getvalue() == output
def test_readme_cross_tree_remove(json):
output = """usage: prog.py "none" [-h] [-v] [-nv]
prog.py: error: unrecognized arguments: --root.int
"""
parser = TiramisuCmdlineParser(get_config(json, True), 'prog.py', display_modified_value=False)
f = StringIO()
with redirect_stderr(f):
try:
parser.parse_args(['none', '--root.int'])
except SystemExit as err:
assert str(err) == "2"
else:
raise Exception('must raises')
assert f.getvalue() == output
def test_readme_cross_tree_flatten(json):
output = """usage: prog.py "none" [-h] [-v] [-nv] {str,list,int,none}
prog.py: error: unrecognized arguments: --int
"""
parser = TiramisuCmdlineParser(get_config(json, True), 'prog.py', fullpath=False)
f = StringIO()
with redirect_stderr(f):
try:
parser.parse_args(['none', '--int'])
except SystemExit as err:
assert str(err) == "2"
else:
raise Exception('must raises')
assert f.getvalue() == output
def test_readme_cross_tree_flatten_remove(json):
output = """usage: prog.py "none" [-h] [-v] [-nv]
prog.py: error: unrecognized arguments: --int
"""
parser = TiramisuCmdlineParser(get_config(json, True), 'prog.py', fullpath=False, display_modified_value=False)
f = StringIO()
with redirect_stderr(f):
try:
parser.parse_args(['none', '--int'])
except SystemExit as err:
assert str(err) == "2"
else:
raise Exception('must raises')
assert f.getvalue() == output
def test_readme_unknown(json):
output = """usage: prog.py [-h] [-v] [-nv] {str,list,int,none}
prog.py: error: argument root.cmd: invalid choice: 'unknown' (choose from 'str', 'list', 'int', 'none')
"""
parser = TiramisuCmdlineParser(get_config(json, True), 'prog.py', fullpath=False)
f = StringIO()
with redirect_stderr(f):
try:
parser.parse_args(['unknown'])
except SystemExit as err:
assert str(err) == "2"
else:
raise Exception('must raises')
assert f.getvalue() == output
def test_readme_int(json):
output = {'cmd': 'int',
'int': 3,
'verbosity': False,
'v': False}
config = get_config(json)
parser = TiramisuCmdlineParser(config, 'prog.py')
parser.parse_args(['int', '--int', '3'])
assert config.value.dict() == output
def test_readme_int_tree(json):
output = {'root.cmd': 'int',
'root.int': 3,
'root.verbosity': False,
'root.v': False}
config = get_config(json, True)
parser = TiramisuCmdlineParser(config, 'prog.py')
parser.parse_args(['int', '--root.int', '3'])
assert config.value.dict() == output
def test_readme_int_tree_flatten(json):
output = {'root.cmd': 'int',
'root.int': 3,
'root.verbosity': False,
'root.v': False}
config = get_config(json, True)
parser = TiramisuCmdlineParser(config, 'prog.py', fullpath=False)
parser.parse_args(['int', '--int', '3'])
assert config.value.dict() == output
def test_readme_int_verbosity(json):
output = {'cmd': 'int',
'int': 3,
'verbosity': True,
'v': True}
config = get_config(json)
parser = TiramisuCmdlineParser(config, 'prog.py')
parser.parse_args(['int', '--int', '3', '--verbosity'])
assert config.value.dict() == output
def test_readme_int_verbosity_tree(json):
output = {'root.cmd': 'int',
'root.int': 3,
'root.verbosity': True,
'root.v': True}
config = get_config(json, True)
parser = TiramisuCmdlineParser(config, 'prog.py')
parser.parse_args(['int', '--root.int', '3', '--root.verbosity'])
assert config.value.dict() == output
def test_readme_int_verbosity_tree_flatten(json):
output = {'root.cmd': 'int',
'root.int': 3,
'root.verbosity': True,
'root.v': True}
config = get_config(json, True)
parser = TiramisuCmdlineParser(config, 'prog.py', fullpath=False)
parser.parse_args(['int', '--int', '3', '--verbosity'])
assert config.value.dict() == output
def test_readme_int_verbosity_short(json):
output = {'cmd': 'int',
'int': 3,
'verbosity': True,
'v': True}
config = get_config(json)
parser = TiramisuCmdlineParser(config, 'prog.py')
parser.parse_args(['int', '--int', '3', '-v'])
assert config.value.dict() == output
def test_readme_int_verbosity_short_store_false(json):
output = {'cmd': 'int',
'int': 3,
'verbosity': None,
'v': True}
config = get_config(json, default_verbosity=None, add_store_false=True)
parser = TiramisuCmdlineParser(config, 'prog.py')
parser.parse_args(['int', '--int', '3', '-v'])
output = {'cmd': 'int',
'int': 3,
'verbosity': False,
'v': False}
assert config.value.dict() == output
parser.parse_args(['int', '--int', '3', '-nv'])
output = {'cmd': 'int',
'int': 3,
'verbosity': True,
'v': True}
assert config.value.dict() == output
def test_readme_int_verbosity_short_no(json):
output = {'cmd': 'int',
'int': 3,
'verbosity': False,
'v': False}
config = get_config(json)
parser = TiramisuCmdlineParser(config, 'prog.py')
parser.parse_args(['int', '--int', '3', '-nv'])
assert config.value.dict() == output
def test_readme_int_verbosity_short_tree(json):
output = {'root.cmd': 'int',
'root.int': 3,
'root.verbosity': True,
'root.v': True}
config = get_config(json, True)
parser = TiramisuCmdlineParser(config, 'prog.py')
parser.parse_args(['int', '--root.int', '3', '-v'])
assert config.value.dict() == output
def test_readme_int_verbosity_short_tree_flatten(json):
output = {'root.cmd': 'int',
'root.int': 3,
'root.verbosity': True,
'root.v': True}
config = get_config(json, True)
parser = TiramisuCmdlineParser(config, 'prog.py', fullpath=False)
parser.parse_args(['int', '--int', '3', '-v'])
assert config.value.dict() == output
def test_readme_int_verbosity_short_and_not(json):
output = {'cmd': 'int',
'int': 3,
'verbosity': False,
'v': False}
config = get_config(json)
parser = TiramisuCmdlineParser(config, 'prog.py')
parser.parse_args(['int', '--int', '3', '-v', '-nv'])
assert config.value.dict() == output
def test_readme_str(json):
output = {'cmd': 'str',
'str': 'value',
'verbosity': False,
'v': False}
config = get_config(json)
parser = TiramisuCmdlineParser(config, 'prog.py')
parser.parse_args(['str', '--str', 'value'])
assert config.value.dict() == output
def test_readme_str_tree(json):
output = {'root.cmd': 'str',
'root.str': 'value',
'root.verbosity': False,
'root.v': False}
config = get_config(json, True)
parser = TiramisuCmdlineParser(config, 'prog.py')
parser.parse_args(['str', '--root.str', 'value'])
assert config.value.dict() == output
def test_readme_str_tree_flatten(json):
output = {'root.cmd': 'str',
'root.str': 'value',
'root.verbosity': False,
'root.v': False}
config = get_config(json, True)
parser = TiramisuCmdlineParser(config, 'prog.py', fullpath=False)
parser.parse_args(['str', '--str', 'value'])
assert config.value.dict() == output
def test_readme_str_int(json):
output = {'cmd': 'str',
'str': '3',
'verbosity': False,
'v': False}
config = get_config(json)
parser = TiramisuCmdlineParser(config, 'prog.py')
parser.parse_args(['str', '--str', '3'])
assert config.value.dict() == output
def test_readme_str_int_tree(json):
output = {'root.cmd': 'str',
'root.str': '3',
'root.verbosity': False,
'root.v': False}
config = get_config(json, True)
parser = TiramisuCmdlineParser(config, 'prog.py')
parser.parse_args(['str', '--root.str', '3'])
assert config.value.dict() == output
def test_readme_str_int_tree_flatten(json):
output = {'root.cmd': 'str',
'root.str': '3',
'root.verbosity': False,
'root.v': False}
config = get_config(json, True)
parser = TiramisuCmdlineParser(config, 'prog.py', fullpath=False)
parser.parse_args(['str', '--str', '3'])
assert config.value.dict() == output
def test_readme_list_single(json):
output = {'cmd': 'list',
'list': ['a'],
'verbosity': False,
'v': False}
config = get_config(json)
parser = TiramisuCmdlineParser(config, 'prog.py')
parser.parse_args(['list', '--list', 'a'])
assert config.value.dict() == output
def test_readme_list(json):
output = {'cmd': 'list',
'list': ['a', 'b', 'c'],
'verbosity': False,
'v': False}
config = get_config(json)
parser = TiramisuCmdlineParser(config, 'prog.py')
parser.parse_args(['list', '--list', 'a', 'b', 'c'])
assert config.value.dict() == output
def test_readme_list_tree(json):
output = {'root.cmd': 'list',
'root.list': ['a', 'b', 'c'],
'root.verbosity': False,
'root.v': False}
config = get_config(json, True)
parser = TiramisuCmdlineParser(config, 'prog.py')
parser.parse_args(['list', '--root.list', 'a', 'b', 'c'])
assert config.value.dict() == output
def test_readme_list_tree_flatten(json):
output = {'root.cmd': 'list',
'root.list': ['a', 'b', 'c'],
'root.verbosity': False,
'root.v': False}
config = get_config(json, True)
parser = TiramisuCmdlineParser(config, 'prog.py', fullpath=False)
parser.parse_args(['list', '--list', 'a', 'b', 'c'])
assert config.value.dict() == output
def test_readme_list_uniq(json):
output = {'cmd': 'list',
'list': ['a'],
'verbosity': False,
'v': False}
config = get_config(json)
parser = TiramisuCmdlineParser(config, 'prog.py')
parser.parse_args(['list', '--list', 'a'])
assert config.value.dict() == output
def test_readme_list_uniq_tree(json):
output = {'root.cmd': 'list',
'root.list': ['a'],
'root.verbosity': False,
'root.v': False}
config = get_config(json, True)
parser = TiramisuCmdlineParser(config, 'prog.py')
parser.parse_args(['list', '--root.list', 'a'])
assert config.value.dict() == output
def test_readme_list_uniq_tree_flatten(json):
output = {'root.cmd': 'list',
'root.list': ['a'],
'root.verbosity': False,
'root.v': False}
config = get_config(json, True)
parser = TiramisuCmdlineParser(config, 'prog.py', fullpath=False)
parser.parse_args(['list', '--list', 'a'])
assert config.value.dict() == output
def test_readme_longargument(json):
output = {'cmd': 'list',
'list': ['a'],
'verbosity': True,
'v': True}
config = get_config(json, add_long=True)
parser = TiramisuCmdlineParser(config, 'prog.py')
parser.parse_args(['list', '--list', 'a', '--v'])
assert config.value.dict() == output
def test_readme_unknown_key(json):
output1 = """usage: prog.py [-h] [-v] [-nv] {str,list,int,none}
prog.py: error: unrecognized arguments: --unknown
"""
output2 = """usage: prog.py [-h] [-v] [-nv] {str,list,int,none}
prog.py: error: unrecognized arguments: --root.unknown
"""
parser = TiramisuCmdlineParser(get_config(json, True), 'prog.py', fullpath=False)
f = StringIO()
with redirect_stderr(f):
try:
parser.parse_args(['--unknown'])
except SystemExit as err:
assert str(err) == "2"
else:
raise Exception('must raises')
assert f.getvalue() == output1
f = StringIO()
with redirect_stderr(f):
try:
parser.parse_args(['--root.unknown'])
except SystemExit as err:
assert str(err) == "2"
else:
raise Exception('must raises')
assert f.getvalue() == output2