import pytest

from ingestor.converters import ConversionError, to_typed_value


@pytest.mark.parametrize('raw,expected', [
    ('false', False), ('False', False), ('0', False), ('no', False),
    ('off', False), ('', False), ('true', True), ('1', True), (True, True),
])
def test_bool_from_json_string(raw, expected):
    assert to_typed_value(raw, 'boolean') is expected


def test_float_and_int():
    assert to_typed_value('42.5', 'float') == 42.5
    assert to_typed_value('7', 'int') == 7


@pytest.mark.parametrize('raw,dtype', [
    (None, 'int'), ('abc', 'float'), ('123.123', 'int'), (None, 'float'),
])
def test_invalid_raises_conversion_error(raw, dtype):
    with pytest.raises(ConversionError):
        to_typed_value(raw, dtype)


@pytest.mark.parametrize('dtype', [None, 123])
def test_non_string_data_type_raises_conversion_error(dtype):
    # contract: never a bare AttributeError/TypeError, always ConversionError
    with pytest.raises(ConversionError):
        to_typed_value('5', dtype)