import pytest
from videos.models import Video


@pytest.mark.django_db
class TestVideoFindOrCreate:
    def test_find_or_create_with_none_returns_none(self):
        result = Video.find_or_create(None)
        assert result is None

    def test_find_or_create_with_empty_string_returns_none(self):
        result = Video.find_or_create("")
        assert result is None

    def test_find_or_create_with_invalid_id_returns_none(self):
        result = Video.find_or_create("invalid-id")
        assert result is None