import unittest
from kaya.rsgi import RsgiWebSocket


class RsgiWebSocketTest(unittest.TestCase):

    def test_misconfigured_granian(self):
        class FakeScope:
            scheme = 'ws'
            path = '/ws'
            query_string = ''
            headers = {}
            client = '127.0.0.1:12345'
            server = '127.0.0.1:80'

        class FakeProtocol:
            pass

        with self.assertRaises(RuntimeError) as ctx:
            RsgiWebSocket(FakeScope(), FakeProtocol())  # type: ignore[arg-type]

        self.assertIn('Granian was not configured for websockets', str(ctx.exception))