import sys
import unittest

import pytest

from socketio import asyncio_redis_manager


@unittest.skipIf(sys.version_info < (3, 5), 'only for Python 3.5+')
class TestAsyncRedisManager(unittest.TestCase):
    def test_default_url(self):
        assert asyncio_redis_manager._parse_redis_url('redis://') == (
            'localhost',
            6379,
            None,
            0,
            False,
        )

    def test_only_host_url(self):
        assert asyncio_redis_manager._parse_redis_url(
            'redis://redis.host'
        ) == ('redis.host', 6379, None, 0, False)

    def test_no_db_url(self):
        assert asyncio_redis_manager._parse_redis_url(
            'redis://redis.host:123/1'
        ) == ('redis.host', 123, None, 1, False)

    def test_no_port_url(self):
        assert asyncio_redis_manager._parse_redis_url(
            'redis://redis.host/1'
        ) == ('redis.host', 6379, None, 1, False)

    def test_password(self):
        assert asyncio_redis_manager._parse_redis_url(
            'redis://:pw@redis.host/1'
        ) == ('redis.host', 6379, 'pw', 1, False)

    def test_no_host_url(self):
        assert asyncio_redis_manager._parse_redis_url('redis://:123/1') == (
            'localhost',
            123,
            None,
            1,
            False,
        )

    def test_no_host_password_url(self):
        assert asyncio_redis_manager._parse_redis_url(
            'redis://:pw@:123/1'
        ) == ('localhost', 123, 'pw', 1, False)

    def test_bad_port_url(self):
        with pytest.raises(ValueError):
            asyncio_redis_manager._parse_redis_url('redis://localhost:abc/1')

    def test_bad_db_url(self):
        with pytest.raises(ValueError):
            asyncio_redis_manager._parse_redis_url('redis://localhost:abc/z')

    def test_bad_scheme_url(self):
        with pytest.raises(ValueError):
            asyncio_redis_manager._parse_redis_url('http://redis.host:123/1')

    def test_ssl_scheme(self):
        assert asyncio_redis_manager._parse_redis_url('rediss://') == (
            'localhost',
            6379,
            None,
            0,
            True,
        )