"""Unit tests for handler utils."""
from analytics.handler_utils import filter_non_empty_items


def test_filter_non_empty_items():
    """Ensure that filter_non_empty_items filters out empty items."""
    params_list = ["9b36a627-4be9-4762-b790-5628676f5f90", [], "", None]
    expected_result = ["9b36a627-4be9-4762-b790-5628676f5f90"]

    result = filter_non_empty_items(params_list)

    assert result == expected_result