test_rst_after_data.py

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# Copyright 2016 gRPC authors.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
 
import http2_base_server
 
 
class TestcaseRstStreamAfterData(object):
    """
    In response to an incoming request, this test sends headers, followed by
    data, followed by a reset stream frame. Client asserts that the RPC failed.
    Client needs to deliver the complete message to the application layer.
  """
 
    def __init__(self):
        self._base_server = http2_base_server.H2ProtocolBaseServer()
        self._base_server._handlers['DataReceived'] = self.on_data_received
        self._base_server._handlers['SendDone'] = self.on_send_done
 
    def get_base_server(self):
        return self._base_server
 
    def on_data_received(self, event):
        self._base_server.on_data_received_default(event)
        sr = self._base_server.parse_received_data(event.stream_id)
        if sr:
            response_data = self._base_server.default_response_data(
                sr.response_size)
            self._ready_to_send = True
            self._base_server.setup_send(response_data, event.stream_id)
            # send reset stream
 
    def on_send_done(self, stream_id):
        self._base_server.send_reset_stream()
        self._base_server._stream_status[stream_id] = False