wrappers.py 文件源码

def test_type_forcing(self):
        def wsgi_application(environ, start_response):
            start_response('200 OK', [('Content-Type', 'text/html')])
            return ['Hello World!']
        base_response = wrappers.BaseResponse('Hello World!', content_type='text/html')

        class SpecialResponse(wrappers.Response):
            def foo(self):
                return 42

        # good enough for this simple application, but don't ever use that in
        # real world examples!
        fake_env = {}

        for orig_resp in wsgi_application, base_response:
            response = SpecialResponse.force_type(orig_resp, fake_env)
            assert response.__class__ is SpecialResponse
            self.assert_strict_equal(response.foo(), 42)
            self.assert_strict_equal(response.get_data(), b'Hello World!')
            self.assert_equal(response.content_type, 'text/html')

        # without env, no arbitrary conversion
        self.assert_raises(TypeError, SpecialResponse.force_type, wsgi_application)