import datetime
import pytest

from obsidian_import import obsidian


EXAMPLES = [
        obsidian.Event(datetime.time(12, 0, 0), datetime.time(12, 0, 0), "Ate",
                       "Lunch", "instantly"),
        obsidian.Event(datetime.time(20, 0, 0), datetime.time(22, 0, 0),
                       "Watched", "Tom and Jerry", "on the *Television*"),
        obsidian.Event(None, None, None, None, "Took a walk"),
]

@pytest.mark.parametrize("event", EXAMPLES)
def test_format_preserves_information(event: obsidian.Event):
    formatted = obsidian.format_event_string(event)
    assert obsidian.parse_event_string(formatted) == event