xonsh/tests/test_prompt.py
2016-09-15 18:51:13 +03:00

78 lines
2.3 KiB
Python

import pytest
from xonsh.environ import Env
from xonsh.prompt.base import partial_format_prompt
@pytest.mark.parametrize('formatter_dict',[{
'a_string': 'cat',
'none': (lambda: None),
'f': (lambda: 'wakka'),
}])
@pytest.mark.parametrize('inp, exp', [
('my {a_string}', 'my cat'),
('my {none}{a_string}', 'my cat'),
('{f} jawaka', 'wakka jawaka'),
])
def test_format_prompt(inp, exp, formatter_dict, xonsh_builtins):
obs = partial_format_prompt(template=inp, formatter_dict=formatter_dict)
assert exp == obs
@pytest.mark.parametrize('formatter_dict',[{
'a_string': 'cats',
'a_number': 7,
'empty': '',
'current_job': (lambda: 'sleep'),
'none': (lambda: None),
}])
@pytest.mark.parametrize('inp, exp', [
('{a_number:{0:^3}}cats', ' 7 cats'),
( '{current_job:{} | }xonsh', 'sleep | xonsh'),
( '{none:{} | }{a_string}{empty:!}', 'cats!'),
( '{none:{}}', ''),
( '{{{a_string:{{{}}}}}}', '{{cats}}'),
( '{{{none:{{{}}}}}}', '{}'),
])
def test_format_prompt_with_format_spec(inp, exp, formatter_dict, xonsh_builtins):
obs = partial_format_prompt(template=inp, formatter_dict=formatter_dict)
assert exp == obs
def test_format_prompt_with_broken_template(xonsh_builtins):
for p in ('{user', '{user}{hostname'):
assert partial_format_prompt(p) == p
# '{{user' will be parsed to '{user'
for p in ('{{user}', '{{user'):
assert 'user' in partial_format_prompt(p)
def test_format_prompt_with_broken_template_in_func(xonsh_builtins):
for p in (
lambda: '{user',
lambda: '{{user',
lambda: '{{user}',
lambda: '{user}{hostname',
):
# '{{user' will be parsed to '{user'
assert 'user' in partial_format_prompt(p)
def test_format_prompt_with_invalid_func(xonsh_builtins):
xonsh_builtins.__xonsh_env__ = Env()
def p():
foo = bar # raises exception
return '{user}'
assert isinstance(partial_format_prompt(p), str)
def test_format_prompt_with_func_that_raises(capsys, xonsh_builtins):
xonsh_builtins.__xonsh_env__ = Env()
template = 'tt {zerodiv} tt'
exp = 'tt (ERROR:zerodiv) tt'
formatter_dict = {'zerodiv': lambda : 1/0}
obs = partial_format_prompt(template, formatter_dict)
assert exp == obs
out, err = capsys.readouterr()
assert 'prompt: error' in err