Files

121 lines
3.8 KiB
Python

# Copyright The OpenTelemetry 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.
try:
from unittest import IsolatedAsyncioTestCase
except ImportError:
# unittest.IsolatedAsyncioTestCase was introduced in Python 3.8. It's use
# simplifies the following tests. Without it, the amount of test code
# increases significantly, with most of the additional code handling
# the asyncio set up.
from unittest import TestCase
class IsolatedAsyncioTestCase(TestCase):
def run(self, result=None):
self.skipTest(
"This test requires Python 3.8 for unittest.IsolatedAsyncioTestCase"
)
import grpc
import pytest
from opentelemetry.instrumentation.grpc import GrpcAioInstrumentorClient
from opentelemetry.test.test_base import TestBase
from ._aio_client import simple_method
from ._server import create_test_server
from .protobuf import test_server_pb2_grpc # pylint: disable=no-name-in-module
def request_hook(span, request):
span.set_attribute("request_data", request.request_data)
def response_hook(span, response):
span.set_attribute("response_data", response)
def request_hook_with_exception(_span, _request):
raise Exception()
def response_hook_with_exception(_span, _response):
raise Exception()
@pytest.mark.asyncio
class TestAioClientInterceptorWithHooks(TestBase, IsolatedAsyncioTestCase):
def setUp(self):
super().setUp()
self.server = create_test_server(25565)
self.server.start()
def tearDown(self):
super().tearDown()
self.server.stop(None)
async def test_request_and_response_hooks(self):
instrumentor = GrpcAioInstrumentorClient()
try:
instrumentor.instrument(
request_hook=request_hook,
response_hook=response_hook,
)
channel = grpc.aio.insecure_channel(
"localhost:25565",
)
stub = test_server_pb2_grpc.GRPCTestServerStub(channel)
response = await simple_method(stub)
assert response.response_data == "data"
spans = self.memory_exporter.get_finished_spans()
self.assertEqual(len(spans), 1)
span = spans[0]
self.assertIn("request_data", span.attributes)
self.assertEqual(span.attributes["request_data"], "data")
self.assertIn("response_data", span.attributes)
self.assertEqual(span.attributes["response_data"], "")
finally:
instrumentor.uninstrument()
async def test_hooks_with_exception(self):
instrumentor = GrpcAioInstrumentorClient()
try:
instrumentor.instrument(
request_hook=request_hook_with_exception,
response_hook=response_hook_with_exception,
)
channel = grpc.aio.insecure_channel(
"localhost:25565",
)
stub = test_server_pb2_grpc.GRPCTestServerStub(channel)
response = await simple_method(stub)
assert response.response_data == "data"
spans = self.memory_exporter.get_finished_spans()
self.assertEqual(len(spans), 1)
span = spans[0]
self.assertEqual(span.name, "/GRPCTestServer/SimpleMethod")
finally:
instrumentor.uninstrument()