106 lines
2.8 KiB
Python
106 lines
2.8 KiB
Python
|
import codecs
|
||
|
|
import locale
|
||
|
|
import os
|
||
|
|
|
||
|
|
import pytest
|
||
|
|
|
||
|
|
from pandas._config.localization import can_set_locale, get_locales, set_locale
|
||
|
|
|
||
|
|
from pandas.compat import is_platform_windows
|
||
|
|
|
||
|
|
import pandas as pd
|
||
|
|
|
||
|
|
_all_locales = get_locales() or []
|
||
|
|
_current_locale = locale.getlocale()
|
||
|
|
|
||
|
|
# Don't run any of these tests if we are on Windows or have no locales.
|
||
|
|
pytestmark = pytest.mark.skipif(
|
||
|
|
is_platform_windows() or not _all_locales, reason="Need non-Windows and locales"
|
||
|
|
)
|
||
|
|
|
||
|
|
_skip_if_only_one_locale = pytest.mark.skipif(
|
||
|
|
len(_all_locales) <= 1, reason="Need multiple locales for meaningful test"
|
||
|
|
)
|
||
|
|
|
||
|
|
|
||
|
|
def test_can_set_locale_valid_set():
|
||
|
|
# Can set the default locale.
|
||
|
|
assert can_set_locale("")
|
||
|
|
|
||
|
|
|
||
|
|
def test_can_set_locale_invalid_set():
|
||
|
|
# Cannot set an invalid locale.
|
||
|
|
assert not can_set_locale("non-existent_locale")
|
||
|
|
|
||
|
|
|
||
|
|
def test_can_set_locale_invalid_get(monkeypatch):
|
||
|
|
# see GH#22129
|
||
|
|
# In some cases, an invalid locale can be set,
|
||
|
|
# but a subsequent getlocale() raises a ValueError.
|
||
|
|
|
||
|
|
def mock_get_locale():
|
||
|
|
raise ValueError()
|
||
|
|
|
||
|
|
with monkeypatch.context() as m:
|
||
|
|
m.setattr(locale, "getlocale", mock_get_locale)
|
||
|
|
assert not can_set_locale("")
|
||
|
|
|
||
|
|
|
||
|
|
def test_get_locales_at_least_one():
|
||
|
|
# see GH#9744
|
||
|
|
assert len(_all_locales) > 0
|
||
|
|
|
||
|
|
|
||
|
|
@_skip_if_only_one_locale
|
||
|
|
def test_get_locales_prefix():
|
||
|
|
first_locale = _all_locales[0]
|
||
|
|
assert len(get_locales(prefix=first_locale[:2])) > 0
|
||
|
|
|
||
|
|
|
||
|
|
@_skip_if_only_one_locale
|
||
|
|
@pytest.mark.parametrize(
|
||
|
|
"lang,enc",
|
||
|
|
[
|
||
|
|
("it_CH", "UTF-8"),
|
||
|
|
("en_US", "ascii"),
|
||
|
|
("zh_CN", "GB2312"),
|
||
|
|
("it_IT", "ISO-8859-1"),
|
||
|
|
],
|
||
|
|
)
|
||
|
|
def test_set_locale(lang, enc):
|
||
|
|
if all(x is None for x in _current_locale):
|
||
|
|
# Not sure why, but on some Travis runs with pytest,
|
||
|
|
# getlocale() returned (None, None).
|
||
|
|
pytest.skip("Current locale is not set.")
|
||
|
|
|
||
|
|
enc = codecs.lookup(enc).name
|
||
|
|
new_locale = lang, enc
|
||
|
|
|
||
|
|
if not can_set_locale(new_locale):
|
||
|
|
msg = "unsupported locale setting"
|
||
|
|
|
||
|
|
with pytest.raises(locale.Error, match=msg):
|
||
|
|
with set_locale(new_locale):
|
||
|
|
pass
|
||
|
|
else:
|
||
|
|
with set_locale(new_locale) as normalized_locale:
|
||
|
|
new_lang, new_enc = normalized_locale.split(".")
|
||
|
|
new_enc = codecs.lookup(enc).name
|
||
|
|
|
||
|
|
normalized_locale = new_lang, new_enc
|
||
|
|
assert normalized_locale == new_locale
|
||
|
|
|
||
|
|
# Once we exit the "with" statement, locale should be back to what it was.
|
||
|
|
current_locale = locale.getlocale()
|
||
|
|
assert current_locale == _current_locale
|
||
|
|
|
||
|
|
|
||
|
|
def test_encoding_detected():
|
||
|
|
system_locale = os.environ.get("LC_ALL")
|
||
|
|
system_encoding = system_locale.split(".")[-1] if system_locale else "utf-8"
|
||
|
|
|
||
|
|
assert (
|
||
|
|
codecs.lookup(pd.options.display.encoding).name
|
||
|
|
== codecs.lookup(system_encoding).name
|
||
|
|
)
|