def test_checksum_calculation_referenceimpl_random():
"""Test that the checksum calculation works, following reference impl."""
base = ''.join(random.choices(string.ascii_letters + string.digits,
k=8)).upper()
ext = ''.join(random.choices(string.ascii_letters + string.digits,
k=3)).upper()
sfn = EightDotThree()
sfn.set_str_name(f"{base}.{ext}")
assert sfn.checksum() == calculate_checksum_referenceimpl(sfn.name)
def test_checksum_calculation_referenceimpl():
"""Test that the checksum calculation works, following reference impl."""
sfn = EightDotThree()
sfn.set_str_name("FILENAME.TXT")
assert sfn.checksum() == calculate_checksum_referenceimpl(sfn.name)
def test_checksum_calculation_precalculated():
"""Test that the checksum calculation works, with a precalculated value."""
sfn = EightDotThree()
sfn.set_str_name("FILENAME.TXT")
assert sfn.checksum() == 58