73 lines
2.4 KiB
Python
73 lines
2.4 KiB
Python
|
import locale
|
||
|
|
|
||
|
|
import pytest
|
||
|
|
|
||
|
|
from pandas._config import detect_console_encoding
|
||
|
|
|
||
|
|
|
||
|
|
class MockEncoding: # TODO(py27): replace with mock
|
||
|
|
"""
|
||
|
|
Used to add a side effect when accessing the 'encoding' property. If the
|
||
|
|
side effect is a str in nature, the value will be returned. Otherwise, the
|
||
|
|
side effect should be an exception that will be raised.
|
||
|
|
"""
|
||
|
|
|
||
|
|
def __init__(self, encoding):
|
||
|
|
super().__init__()
|
||
|
|
self.val = encoding
|
||
|
|
|
||
|
|
@property
|
||
|
|
def encoding(self):
|
||
|
|
return self.raise_or_return(self.val)
|
||
|
|
|
||
|
|
@staticmethod
|
||
|
|
def raise_or_return(val):
|
||
|
|
if isinstance(val, str):
|
||
|
|
return val
|
||
|
|
else:
|
||
|
|
raise val
|
||
|
|
|
||
|
|
|
||
|
|
@pytest.mark.parametrize("empty,filled", [["stdin", "stdout"], ["stdout", "stdin"]])
|
||
|
|
def test_detect_console_encoding_from_stdout_stdin(monkeypatch, empty, filled):
|
||
|
|
# Ensures that when sys.stdout.encoding or sys.stdin.encoding is used when
|
||
|
|
# they have values filled.
|
||
|
|
# GH 21552
|
||
|
|
with monkeypatch.context() as context:
|
||
|
|
context.setattr(f"sys.{empty}", MockEncoding(""))
|
||
|
|
context.setattr(f"sys.{filled}", MockEncoding(filled))
|
||
|
|
assert detect_console_encoding() == filled
|
||
|
|
|
||
|
|
|
||
|
|
@pytest.mark.parametrize("encoding", [AttributeError, IOError, "ascii"])
|
||
|
|
def test_detect_console_encoding_fallback_to_locale(monkeypatch, encoding):
|
||
|
|
# GH 21552
|
||
|
|
with monkeypatch.context() as context:
|
||
|
|
context.setattr("locale.getpreferredencoding", lambda: "foo")
|
||
|
|
context.setattr("sys.stdout", MockEncoding(encoding))
|
||
|
|
assert detect_console_encoding() == "foo"
|
||
|
|
|
||
|
|
|
||
|
|
@pytest.mark.parametrize(
|
||
|
|
"std,locale",
|
||
|
|
[
|
||
|
|
["ascii", "ascii"],
|
||
|
|
["ascii", locale.Error],
|
||
|
|
[AttributeError, "ascii"],
|
||
|
|
[AttributeError, locale.Error],
|
||
|
|
[IOError, "ascii"],
|
||
|
|
[IOError, locale.Error],
|
||
|
|
],
|
||
|
|
)
|
||
|
|
def test_detect_console_encoding_fallback_to_default(monkeypatch, std, locale):
|
||
|
|
# When both the stdout/stdin encoding and locale preferred encoding checks
|
||
|
|
# fail (or return 'ascii', we should default to the sys default encoding.
|
||
|
|
# GH 21552
|
||
|
|
with monkeypatch.context() as context:
|
||
|
|
context.setattr(
|
||
|
|
"locale.getpreferredencoding", lambda: MockEncoding.raise_or_return(locale)
|
||
|
|
)
|
||
|
|
context.setattr("sys.stdout", MockEncoding(std))
|
||
|
|
context.setattr("sys.getdefaultencoding", lambda: "sysDefaultEncoding")
|
||
|
|
assert detect_console_encoding() == "sysDefaultEncoding"
|