from engine.character import MAX_MEDICAL_LOG_ENTRIES, Character


def test_medical_log_starts_empty():
    assert Character().medical_log == []


def test_log_medical_event_appends():
    character = Character()
    character.log_medical_event("Sprained left_leg")
    assert character.medical_log == ["Sprained left_leg"]


def test_log_medical_event_keeps_insertion_order():
    character = Character()
    character.log_medical_event("first")
    character.log_medical_event("second")
    assert character.medical_log == ["first", "second"]


def test_log_medical_event_trims_oldest_past_the_cap():
    character = Character()
    for i in range(MAX_MEDICAL_LOG_ENTRIES + 5):
        character.log_medical_event(f"event {i}")
    assert len(character.medical_log) == MAX_MEDICAL_LOG_ENTRIES
    assert character.medical_log[0] == "event 5"
    assert character.medical_log[-1] == f"event {MAX_MEDICAL_LOG_ENTRIES + 4}"