def test_format_safe_lstrip_control():
"""Test handling of non-printing control characters."""
all_formatting = ''.join(formatting.CONTROL_FORMATTING)
# no formatting chars should be stripped,
# but a reset should be added to the end
assert tell._format_safe_lstrip(all_formatting) == all_formatting
# control characters not recognized as formatting should be stripped
assert tell._format_safe_lstrip(''.join(
c for c in formatting.CONTROL_NON_PRINTING
if c not in formatting.CONTROL_FORMATTING)) == ''
def test_format_safe_lstrip_pairs(text, cleaned):
"""Test expected formatting-safe string sanitization."""
assert tell._format_safe_lstrip(text) == cleaned
def test_format_safe_lstrip_invalid_arg():
"""Test for correct exception if non-string is passed."""
with pytest.raises(TypeError):
tell._format_safe_lstrip(None)
def test_format_safe_lstrip_basic():
"""Test handling of basic whitespace."""
assert tell._format_safe_lstrip(''.join(UNICODE_ZS_CATEGORY)) == ''