"""Test function in module."""

import pytest

from terminaltables3.build import combine


@pytest.mark.parametrize("generator", [False, True])
def test_borders(generator):
    """Test with borders.

    :param bool generator: Test with generator instead of list.
    """
    line = ["One", "Two", "Three"]
    actual = list(combine(iter(line) if generator else line, ">", "|", "<"))
    assert actual == [">", "One", "|", "Two", "|", "Three", "<"]


@pytest.mark.parametrize("generator", [False, True])
def test_no_border(generator):
    """Test without borders.

    :param bool generator: Test with generator instead of list.
    """
    line = ["One", "Two", "Three"]
    actual = list(combine(iter(line) if generator else line, "", "", ""))
    assert actual == ["One", "Two", "Three"]


@pytest.mark.parametrize("generator", [False, True])
def test_no_items(generator):
    """Test with empty list.

    :param bool generator: Test with generator instead of list.
    """
    actual = list(combine(iter([]) if generator else [], ">", "|", "<"))
    assert actual == [">", "<"]