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#!/usr/bin/env python3
# Copyright 2020 The Pigweed 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
#
# https://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.
"""Tests creating pw_rpc client."""
import unittest
from pw_status import Status
from pw_rpc.internal.packet_pb2 import PacketType, RpcPacket
from pw_rpc import packets
_TEST_IDS = packets.RpcIds(1, 2, 3, 4)
_TEST_STATUS = 321
_TEST_REQUEST = RpcPacket(
type=PacketType.REQUEST,
channel_id=_TEST_IDS.channel_id,
service_id=_TEST_IDS.service_id,
method_id=_TEST_IDS.method_id,
call_id=_TEST_IDS.call_id,
payload=RpcPacket(status=_TEST_STATUS).SerializeToString(),
)
_TEST_RESPONSE = RpcPacket(
type=PacketType.RESPONSE,
channel_id=_TEST_IDS.channel_id,
service_id=_TEST_IDS.service_id,
method_id=_TEST_IDS.method_id,
call_id=_TEST_IDS.call_id,
payload=RpcPacket(status=_TEST_STATUS).SerializeToString(),
)
class PacketsTest(unittest.TestCase):
"""Tests for packet encoding and decoding."""
def test_encode_request(self):
data = packets.encode_request(_TEST_IDS, RpcPacket(status=_TEST_STATUS))
packet = RpcPacket()
packet.ParseFromString(data)
self.assertEqual(_TEST_REQUEST, packet)
def test_encode_response(self):
data = packets.encode_response(
_TEST_IDS, RpcPacket(status=_TEST_STATUS)
)
packet = RpcPacket()
packet.ParseFromString(data)
self.assertEqual(_TEST_RESPONSE, packet)
def test_encode_cancel(self):
data = packets.encode_cancel(packets.RpcIds(9, 8, 7, 6))
packet = RpcPacket()
packet.ParseFromString(data)
self.assertEqual(
packet,
RpcPacket(
type=PacketType.CLIENT_ERROR,
channel_id=9,
service_id=8,
method_id=7,
call_id=6,
status=Status.CANCELLED.value,
),
)
def test_encode_client_error(self):
data = packets.encode_client_error(_TEST_REQUEST, Status.NOT_FOUND)
packet = RpcPacket()
packet.ParseFromString(data)
self.assertEqual(
packet,
RpcPacket(
type=PacketType.CLIENT_ERROR,
channel_id=_TEST_IDS.channel_id,
service_id=_TEST_IDS.service_id,
method_id=_TEST_IDS.method_id,
call_id=_TEST_IDS.call_id,
status=Status.NOT_FOUND.value,
),
)
def test_decode(self):
self.assertEqual(
_TEST_REQUEST, packets.decode(_TEST_REQUEST.SerializeToString())
)
def test_for_server(self):
self.assertTrue(packets.for_server(_TEST_REQUEST))
self.assertFalse(packets.for_server(_TEST_RESPONSE))
if __name__ == '__main__':
unittest.main()
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