import os
import sys

sys.path.append(os.path.abspath(os.path.join(os.path.dirname(__file__), "..")))

from src.subtitle_extractor import format_timestamp


def test_format_timestamp():
    assert format_timestamp(0) == "00:00:00,000"
    assert format_timestamp(1.234) == "00:00:01,234"
    assert format_timestamp(3661.5) == "01:01:01,500"