def test_call_with_retries_includes_version_metadata(self):
def digest(s):
"""Hashes a string into a 32-bit integer."""
return int(hashlib.sha256(s.encode("utf-8")).hexdigest(), 16) & 0xffffffff
def handler(request, context):
metadata = context.invocation_metadata()
client_version = grpc_util.extract_version(metadata)
return make_response(digest(client_version))
server = TestGrpcServer(handler)
with server.run() as client:
response = grpc_util.call_with_retries(client.TestRpc, make_request(0))
expected_nonce = digest(
grpc_util.extract_version(grpc_util.version_metadata()))
self.assertEqual(make_response(expected_nonce), response)
def test_roundtrip(self):
result = grpc_util.extract_version(grpc_util.version_metadata())
self.assertEqual(result, version.VERSION)
def handler(request, context):
metadata = context.invocation_metadata()
client_version = grpc_util.extract_version(metadata)
return make_response(digest(client_version))