class ResponseInterceptor(aio.UnaryUnaryClientInterceptor):
"""Return a raw response"""
response = messages_pb2.SimpleResponse()
async def intercept_unary_unary(self, continuation,
client_call_details, request):
return ResponseInterceptor.response
def UnaryCall(
self, request: messages_pb2.SimpleRequest,
context: grpc.ServicerContext) -> messages_pb2.SimpleResponse:
response = messages_pb2.SimpleResponse()
response.server_id = self._server_id
response.hostname = self._hostname
return response
def UnaryCall(self, request, context):
_maybe_echo_metadata(context)
_maybe_echo_status_and_message(request, context)
return messages_pb2.SimpleResponse(
payload=messages_pb2.Payload(
type=messages_pb2.COMPRESSABLE,
body=b'\x00' * request.response_size))
async def test_response_caching(self):
# Prepares a preset value to help testing
interceptor = _CacheInterceptor({
42:
messages_pb2.SimpleResponse(payload=messages_pb2.Payload(
body=b'\x42'))
})
# Constructs a server with the cache interceptor
server, stub = await _create_server_stub_pair(interceptor)
# Tests if the cache store is used
response = await stub.UnaryCall(
messages_pb2.SimpleRequest(response_size=42))
self.assertEqual(1, len(interceptor.cache_store[42].payload.body))
self.assertEqual(interceptor.cache_store[42], response)
# Tests response can be cached
response = await stub.UnaryCall(
messages_pb2.SimpleRequest(response_size=1337))
self.assertEqual(1337, len(interceptor.cache_store[1337].payload.body))
self.assertEqual(interceptor.cache_store[1337], response)
response = await stub.UnaryCall(
messages_pb2.SimpleRequest(response_size=1337))
self.assertEqual(interceptor.cache_store[1337], response)
def UnaryCall(self, request, context):
if request.HasField('response_status'):
context.set_code(request.response_status.code)
context.set_details(request.response_status.message)
return messages_pb2.SimpleResponse(
payload=messages_pb2.Payload(type=messages_pb2.COMPRESSABLE,
body=b'\x00' * request.response_size))
def UnaryCall(
self, request: messages_pb2.SimpleRequest,
context: grpc.ServicerContext) -> messages_pb2.SimpleResponse:
context.send_initial_metadata((('hostname', self._hostname), ))
response = messages_pb2.SimpleResponse()
response.server_id = self._server_id
response.hostname = self._hostname
return response
def StreamingCall(self, request_iterator, context):
for request in request_iterator:
payload = messages_pb2.Payload(body='\0' * request.response_size)
yield messages_pb2.SimpleResponse(payload=payload)
def UnaryCall(self, request, context):
payload = messages_pb2.Payload(body='\0' * request.response_size)
return messages_pb2.SimpleResponse(payload=payload)
def UnaryCall(self, request, context):
return messages_pb2.SimpleResponse(
payload=messages_pb2.Payload(type=messages_pb2.COMPRESSABLE,
body=b'\x00' * request.response_size))
def UnaryCall(self, request, context):
return messages_pb2.SimpleResponse()
async def UnaryCallWithSleep(self, unused_request, unused_context):
await asyncio.sleep(_constants.UNARY_CALL_WITH_SLEEP_VALUE)
return messages_pb2.SimpleResponse()
async def StreamingFromServer(self, request, context):
payload = messages_pb2.Payload(body=b'\0' * request.response_size)
# Sends response at full capacity!
while True:
yield messages_pb2.SimpleResponse(payload=payload)
def UnaryCallWithSleep(self, unused_request, unused_context):
gevent.sleep(LONG_UNARY_CALL_WITH_SLEEP_VALUE)
return messages_pb2.SimpleResponse()
async def UnaryCall(self, unused_request, context):
await _maybe_echo_metadata(context)
return messages_pb2.SimpleResponse()