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pre-commit/tests/color_test.py
Daniel Baumann 75996f15a7
Adding upstream version 2.18.1.
Signed-off-by: Daniel Baumann <daniel@debian.org>
2025-02-09 21:32:53 +01:00

61 lines
1.8 KiB
Python

from __future__ import annotations
import sys
from unittest import mock
import pytest
from pre_commit import envcontext
from pre_commit.color import format_color
from pre_commit.color import GREEN
from pre_commit.color import use_color
@pytest.mark.parametrize(
('in_text', 'in_color', 'in_use_color', 'expected'), (
('foo', GREEN, True, f'{GREEN}foo\033[m'),
('foo', GREEN, False, 'foo'),
),
)
def test_format_color(in_text, in_color, in_use_color, expected):
ret = format_color(in_text, in_color, in_use_color)
assert ret == expected
def test_use_color_never():
assert use_color('never') is False
def test_use_color_always():
assert use_color('always') is True
def test_use_color_no_tty():
with mock.patch.object(sys.stderr, 'isatty', return_value=False):
assert use_color('auto') is False
def test_use_color_tty_with_color_support():
with mock.patch.object(sys.stderr, 'isatty', return_value=True):
with mock.patch('pre_commit.color.terminal_supports_color', True):
with envcontext.envcontext((('TERM', envcontext.UNSET),)):
assert use_color('auto') is True
def test_use_color_tty_without_color_support():
with mock.patch.object(sys.stderr, 'isatty', return_value=True):
with mock.patch('pre_commit.color.terminal_supports_color', False):
with envcontext.envcontext((('TERM', envcontext.UNSET),)):
assert use_color('auto') is False
def test_use_color_dumb_term():
with mock.patch.object(sys.stderr, 'isatty', return_value=True):
with mock.patch('pre_commit.color.terminal_supports_color', True):
with envcontext.envcontext((('TERM', 'dumb'),)):
assert use_color('auto') is False
def test_use_color_raises_if_given_shenanigans():
with pytest.raises(ValueError):
use_color('herpaderp')