def __call__(self, tchan_request):
request = _to_request(tchan_request)
v = _Validator(request)
try:
v.validate()
except BadRequestError as e:
raise TChBadRequestError(
'BadRequest: %s\n' % str(e)
)
answer = gen.Future()
@fail_to(answer)
def on_dispatch(future):
if not future.exception():
response = future.result()
tchan_response = Response(
body=response.body,
headers=headers.encode(
request.encoding, response.headers),
transport=None, # TODO transport?
)
answer.set_result(tchan_response)
return
_handle_request_exception(future.exception(), request)
maybe_async(
self.handler.handle, request
).add_done_callback(on_dispatch)
return answer
def _validate(self, request):
v = _Validator(request)
if request.ttl:
v.parse_ttl(request.ttl)
try:
v.validate()
except BadRequestError as e:
m = 'BadRequest: %s\n' % str(e)
self.write(m)
self.set_status(400)
return False
return True
def test_validator(req, ttl, want_err, want_msg, scrub_ttl):
if scrub_ttl:
req.ttl = None
v = _Validator(req)
if ttl:
v.parse_ttl(ttl)
if want_err:
with pytest.raises(want_err) as e:
v.validate()
assert str(e.value) == want_msg
return
v.validate()