"""Tests for formatting utilities."""

from decimal import Decimal

import pytest

from moneyhub.utils import formatting


@pytest.mark.parametrize('input_value, expected', [
    (None, None),
    (20.00, Decimal('20.00')),
])
def test_to_decimal(input_value, expected):
    """Test to_decimal method."""
    result = formatting.to_decimal(input_value)
    assert result == expected