# -*- coding: utf-8 -
#
# This file is part of gunicorn released under the MIT license.
# See the NOTICE for more information.

import pytest

from gunicorn import util


@pytest.mark.parametrize('test_input, expected', [
    ('unix://var/run/test.sock', 'var/run/test.sock'),
    ('unix:/var/run/test.sock', '/var/run/test.sock'),
    ('', ('0.0.0.0', 8000)),
    ('[::1]:8000', ('::1', 8000)),
    ('localhost:8000', ('localhost', 8000)),
    ('127.0.0.1:8000', ('127.0.0.1', 8000)),
    ('localhost', ('localhost', 8000))
])
def test_parse_address(test_input, expected):
    assert util.parse_address(test_input) == expected


def test_parse_address_invalid():
    with pytest.raises(RuntimeError) as err:
        util.parse_address('127.0.0.1:test')
    assert "'test' is not a valid port number." in str(err)


def test_http_date():
    assert util.http_date(1508607753.740316) == 'Sat, 21 Oct 2017 17:42:33 GMT'


@pytest.mark.parametrize('test_input, expected', [
    ('1200:0000:AB00:1234:0000:2552:7777:1313', True),
    ('1200::AB00:1234::2552:7777:1313', False),
    ('21DA:D3:0:2F3B:2AA:FF:FE28:9C5A', True),
    ('1200:0000:AB00:1234:O000:2552:7777:1313', False),
])
def test_is_ipv6(test_input, expected):
    assert util.is_ipv6(test_input) == expected


def test_warn(capsys):
    util.warn('test warn')
    _, err = capsys.readouterr()
    assert '!!! WARNING: test warn' in err