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import pytest
from marshmallow import ValidationError

from superset.queries.saved_queries.schemas import validate_label


@pytest.mark.parametrize("value", ["", "   ", "\t\n", None])
def test_validate_label_rejects_blank(value: str | None) -> None:
    with pytest.raises(ValidationError):
        validate_label(value)


@pytest.mark.parametrize("value", ["my query", "  padded  "])
def test_validate_label_accepts_non_blank(value: str) -> None:
    # Should not raise for labels containing non-whitespace characters.
    validate_label(value)