"""Unit tests for the adjustments validation utility functions."""

from abacus_common_logic.adjustments_validation.utils import (
    clean_upc,
    has_intersection,
    is_float,
    is_integer,
    load_json,
)


def test_clean_upc():
    """Test cleaning a UPC."""
    assert clean_upc('111122223333') == '111122223333'
    assert clean_upc('0111102220333') == '111102220333'
    assert clean_upc('00111122223333') == '0111122223333'


def test_is_integer():
    """Test checking if a string represents an integer."""
    assert is_integer('1')
    assert not is_integer('1.2')
    assert not is_integer('a')
    assert not is_integer(str(float('nan')))


def test_is_float():
    """Test checking if a string represents a float."""
    assert is_float('1')
    assert is_float('1.2')
    assert not is_float('a')
    assert not is_float(str(float('nan')))


def test_has_intersection():
    """Test checking if two sets intersect."""
    assert has_intersection({1, 2}, {2, 3})
    assert not has_intersection({1, 2}, {3, 4})


def test_load_json():
    """Test converting a JSON string."""
    assert load_json('{"a": 1}') == {'a': 1}
    assert load_json('') is None
    assert load_json(None) is None