'L{NameVirtualHost.render} returns the result of rendering the
instance\'s C{default} if it is not L{None} and there is no I{Host}
header in the request.'

def test_renderWithoutHost(self):

    virtualHostResource = NameVirtualHost()
    virtualHostResource.default = Data('correct    result', '')
    request = DummyRequest([''])
    self.assertEqual(virtualHostResource.render(request), 'correct    result')
