"""Unit tests for utils.py."""

from github_client.utils import split_full_name_safely


def test_split_standard_first_and_last() -> None:
    """Standard 'First Last' input returns correct components.

    :return:
    """
    assert split_full_name_safely('John Doe') == ('John', 'Doe')


def test_split_middle_name_is_ignored() -> None:
    """Middle name is discarded; first and last are returned.

    :return:
    """
    assert split_full_name_safely('John Michael Doe') == ('John', 'Doe')


def test_split_strips_title() -> None:
    """Titles such as 'Dr.' are stripped from the result.

    :return:
    """
    assert split_full_name_safely('Dr. Jane Smith') == ('Jane', 'Smith')


def test_split_strips_suffix() -> None:
    """Suffixes such as 'Jr.' are stripped from the result.

    :return:
    """
    assert split_full_name_safely('John Doe Jr.') == ('John', 'Doe')


def test_split_hyphenated_last_name() -> None:
    """Hyphenated last names are kept intact.

    :return:
    """
    assert split_full_name_safely('Mary Jane-Smith') == ('Mary', 'Jane-Smith')


def test_split_single_name_returns_empty_last() -> None:
    """A single-word name returns the word as first and empty string as last.

    :return:
    """
    first, last = split_full_name_safely('Madonna')
    assert first == 'Madonna'
    assert last == ''


def test_split_empty_string_returns_empty_components() -> None:
    """An empty string returns two empty strings without raising.

    :return:
    """
    assert split_full_name_safely('') == ('', '')