import pytest

from atst.filters import dollars


@pytest.mark.parametrize("input,expected", [
    ('0', '$0'),
    ('123.00', '$123'),
    ('1234567', '$1,234,567'),
    ('-1234', '$-1,234'),
    ('one', '$0'),
])
def test_dollar_fomatter(input, expected):
    assert dollars(input) == expected