"""
Smoke tests for formatter module.
"""

import sys
sys.path.insert(0, '..')

from formatter import format_duration


def test_format_duration():
    """Test duration formatting."""
    assert format_duration(0) == "—"
    assert format_duration(60) == "1h"
    assert format_duration(90) == "1h 30m"
    assert format_duration(570) == "9h 30m"
    assert format_duration(615) == "10h 15m"
    print("✓ Duration formatting works")


if __name__ == "__main__":
    test_format_duration()
    print("\n✅ All formatter tests passed!")