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import pytest
from wtforms import validators
from wtforms.fields import StringField
from wtforms.form import Form
@pytest.fixture()
def flags():
return StringField(validators=[validators.DataRequired()]).bind(Form(), "a").flags
def test_existing_values(flags):
assert flags.required is True
assert "required" in flags
assert flags.optional is None
assert "optional" not in flags
def test_assignment(flags):
assert "optional" not in flags
flags.optional = True
assert flags.optional is True
assert "optional" in flags
def test_unset(flags):
flags.required = False
assert flags.required is False
assert "required" not in flags
def test_repr(flags):
assert repr(flags) == "<wtforms.fields.Flags: {required=True}>"
def test_underscore_property(flags):
with pytest.raises(AttributeError):
flags._foo # noqa: B018
flags._foo = 42
assert flags._foo == 42
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