"""Tests for the regex utils library."""

import pytest

from users.utils import regex_utils


@pytest.mark.parametrize(
    'test_input,expected',
    [('oa', True), ('OA', False), ('ao', False), ('alw', True), ('ALW', False), ('wLa', False)],
)
def test_finds_app(test_input, expected):
    """Test if these apps are valid or not."""
    result = regex_utils.is_recognisable_app(test_input)
    assert result == expected


@pytest.mark.parametrize(
    'test_input,expected',
    [
        ('oa:123', True),
        ('OA', False),
        ('OA:123', False),
        ('alw:123', True),
        ('ALW:123', False),
        ('wLa', False),
        ('alw::123', False),
    ],
)
def test_finds_user_id(test_input, expected):
    """Test if these user ids are vaild or not."""
    result = regex_utils.is_recognisable_user_id(test_input)
    assert result == expected


def test_handles_no_app():
    """Test we can handle a none."""
    result = regex_utils.is_recognisable_app(None)
    assert not result


def test_handles_no_user_id():
    """Test we can handle user id as none."""
    result = regex_utils.is_recognisable_user_id()
    assert not result