"""Test routing_converters."""
from product import routing_converters


def test_comma_separated_int_to_python():
    """Test CommaSeparatedInt.to_python with valid values."""
    comma_converter = routing_converters.CommaSeparatedInt({})
    assert comma_converter.to_python('1,2,3') == [1, 2, 3]


def test_comma_separated_int_to_python_invalid():
    """Test CommaSeparatedInt.to_python with invalid values."""
    comma_converter = routing_converters.CommaSeparatedInt({})
    assert comma_converter.to_python('1,a,3.5') == []
    assert comma_converter.to_python('1,2,3.5') == []
    assert comma_converter.to_python('') == []


def test_comma_separated_int_to_url():
    """Test CommaSeparatedInt.to_url."""
    comma_converter = routing_converters.CommaSeparatedInt({})
    assert comma_converter.to_url([1, 2, 3]) == '1,2,3'
    assert comma_converter.to_url([]) == ''