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# Copyright 2015, Google Inc.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met:
#
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above
# copyright notice, this list of conditions and the following disclaimer
# in the documentation and/or other materials provided with the
# distribution.
# * Neither the name of Google Inc. nor the names of its
# contributors may be used to endorse or promote products derived from
# this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
import time
import unittest
from grpc._cython import cygrpc
from grpc_test._cython import test_utilities
class TypeSmokeTest(unittest.TestCase):
def testStringsInUtilitiesUpDown(self):
self.assertEqual(0, cygrpc.StatusCode.ok)
metadatum = cygrpc.Metadatum('a', 'b')
self.assertEqual('a'.encode(), metadatum.key)
self.assertEqual('b'.encode(), metadatum.value)
metadata = cygrpc.Metadata([metadatum])
self.assertEqual(1, len(metadata))
self.assertEqual(metadatum.key, metadata[0].key)
def testMetadataIteration(self):
metadata = cygrpc.Metadata([
cygrpc.Metadatum('a', 'b'), cygrpc.Metadatum('c', 'd')])
iterator = iter(metadata)
metadatum = next(iterator)
self.assertIsInstance(metadatum, cygrpc.Metadatum)
self.assertEqual(metadatum.key, 'a'.encode())
self.assertEqual(metadatum.value, 'b'.encode())
metadatum = next(iterator)
self.assertIsInstance(metadatum, cygrpc.Metadatum)
self.assertEqual(metadatum.key, 'c'.encode())
self.assertEqual(metadatum.value, 'd'.encode())
with self.assertRaises(StopIteration):
next(iterator)
def testOperationsIteration(self):
operations = cygrpc.Operations([
cygrpc.operation_send_message('asdf')])
iterator = iter(operations)
operation = next(iterator)
self.assertIsInstance(operation, cygrpc.Operation)
# `Operation`s are write-only structures; can't directly debug anything out
# of them. Just check that we stop iterating.
with self.assertRaises(StopIteration):
next(iterator)
def testTimespec(self):
now = time.time()
timespec = cygrpc.Timespec(now)
self.assertAlmostEqual(now, float(timespec), places=8)
def testCompletionQueueUpDown(self):
completion_queue = cygrpc.CompletionQueue()
del completion_queue
def testServerUpDown(self):
server = cygrpc.Server(cygrpc.ChannelArgs([]))
del server
def testChannelUpDown(self):
channel = cygrpc.Channel('[::]:0', cygrpc.ChannelArgs([]))
del channel
@unittest.skip('TODO(atash): undo skip after #2229 is merged')
def testServerStartNoExplicitShutdown(self):
server = cygrpc.Server()
completion_queue = cygrpc.CompletionQueue()
server.register_completion_queue(completion_queue)
port = server.add_http2_port('[::]:0')
self.assertIsInstance(port, int)
server.start()
del server
@unittest.skip('TODO(atash): undo skip after #2229 is merged')
def testServerStartShutdown(self):
completion_queue = cygrpc.CompletionQueue()
server = cygrpc.Server()
server.add_http2_port('[::]:0')
server.register_completion_queue(completion_queue)
server.start()
shutdown_tag = object()
server.shutdown(completion_queue, shutdown_tag)
event = completion_queue.poll()
self.assertEqual(cygrpc.CompletionType.operation_complete, event.type)
self.assertIs(shutdown_tag, event.tag)
del server
del completion_queue
class InsecureServerInsecureClient(unittest.TestCase):
def setUp(self):
self.server_completion_queue = cygrpc.CompletionQueue()
self.server = cygrpc.Server()
self.server.register_completion_queue(self.server_completion_queue)
self.port = self.server.add_http2_port('[::]:0')
self.server.start()
self.client_completion_queue = cygrpc.CompletionQueue()
self.client_channel = cygrpc.Channel('localhost:{}'.format(self.port))
def tearDown(self):
del self.server
del self.client_completion_queue
del self.server_completion_queue
def testEcho(self):
DEADLINE = time.time()+5
DEADLINE_TOLERANCE = 0.25
CLIENT_METADATA_ASCII_KEY = b'key'
CLIENT_METADATA_ASCII_VALUE = b'val'
CLIENT_METADATA_BIN_KEY = b'key-bin'
CLIENT_METADATA_BIN_VALUE = b'\0'*1000
SERVER_INITIAL_METADATA_KEY = b'init_me_me_me'
SERVER_INITIAL_METADATA_VALUE = b'whodawha?'
SERVER_TRAILING_METADATA_KEY = b'California_is_in_a_drought'
SERVER_TRAILING_METADATA_VALUE = b'zomg it is'
SERVER_STATUS_CODE = cygrpc.StatusCode.ok
SERVER_STATUS_DETAILS = b'our work is never over'
REQUEST = b'in death a member of project mayhem has a name'
RESPONSE = b'his name is robert paulson'
METHOD = b'twinkies'
HOST = b'hostess'
cygrpc_deadline = cygrpc.Timespec(DEADLINE)
server_request_tag = object()
request_call_result = self.server.request_call(
self.server_completion_queue, self.server_completion_queue,
server_request_tag)
self.assertEqual(cygrpc.CallError.ok, request_call_result)
client_call_tag = object()
client_call = self.client_channel.create_call(self.client_completion_queue,
METHOD, HOST, cygrpc_deadline)
client_initial_metadata = cygrpc.Metadata([
cygrpc.Metadatum(CLIENT_METADATA_ASCII_KEY,
CLIENT_METADATA_ASCII_VALUE),
cygrpc.Metadatum(CLIENT_METADATA_BIN_KEY, CLIENT_METADATA_BIN_VALUE)])
client_start_batch_result = client_call.start_batch(cygrpc.Operations([
cygrpc.operation_send_initial_metadata(client_initial_metadata),
cygrpc.operation_send_message(REQUEST),
cygrpc.operation_send_close_from_client(),
cygrpc.operation_receive_initial_metadata(),
cygrpc.operation_receive_message(),
cygrpc.operation_receive_status_on_client()
]), client_call_tag)
self.assertEqual(cygrpc.CallError.ok, client_start_batch_result)
client_event_future = test_utilities.CompletionQueuePollFuture(
self.client_completion_queue, cygrpc_deadline)
request_event = self.server_completion_queue.poll(cygrpc_deadline)
self.assertEqual(cygrpc.CompletionType.operation_complete,
request_event.type)
self.assertIsInstance(request_event.operation_call, cygrpc.Call)
self.assertIs(server_request_tag, request_event.tag)
self.assertEqual(0, len(request_event.batch_operations))
self.assertEqual(dict(client_initial_metadata),
dict(request_event.request_metadata))
self.assertEqual(METHOD, request_event.request_call_details.method)
self.assertEqual(HOST, request_event.request_call_details.host)
self.assertLess(
abs(DEADLINE - float(request_event.request_call_details.deadline)),
DEADLINE_TOLERANCE)
server_call_tag = object()
server_call = request_event.operation_call
server_initial_metadata = cygrpc.Metadata([
cygrpc.Metadatum(SERVER_INITIAL_METADATA_KEY,
SERVER_INITIAL_METADATA_VALUE)])
server_trailing_metadata = cygrpc.Metadata([
cygrpc.Metadatum(SERVER_TRAILING_METADATA_KEY,
SERVER_TRAILING_METADATA_VALUE)])
server_start_batch_result = server_call.start_batch([
cygrpc.operation_send_initial_metadata(server_initial_metadata),
cygrpc.operation_receive_message(),
cygrpc.operation_send_message(RESPONSE),
cygrpc.operation_receive_close_on_server(),
cygrpc.operation_send_status_from_server(
server_trailing_metadata, SERVER_STATUS_CODE, SERVER_STATUS_DETAILS)
], server_call_tag)
self.assertEqual(cygrpc.CallError.ok, server_start_batch_result)
client_event = client_event_future.result()
server_event = self.server_completion_queue.poll(cygrpc_deadline)
self.assertEqual(6, len(client_event.batch_operations))
found_client_op_types = set()
for client_result in client_event.batch_operations:
# we expect each op type to be unique
self.assertNotIn(client_result.type, found_client_op_types)
found_client_op_types.add(client_result.type)
if client_result.type == cygrpc.OperationType.receive_initial_metadata:
self.assertEqual(dict(server_initial_metadata),
dict(client_result.received_metadata))
elif client_result.type == cygrpc.OperationType.receive_message:
self.assertEqual(RESPONSE, client_result.received_message.bytes())
elif client_result.type == cygrpc.OperationType.receive_status_on_client:
self.assertEqual(dict(server_trailing_metadata),
dict(client_result.received_metadata))
self.assertEqual(SERVER_STATUS_DETAILS,
client_result.received_status_details)
self.assertEqual(SERVER_STATUS_CODE, client_result.received_status_code)
self.assertEqual(set([
cygrpc.OperationType.send_initial_metadata,
cygrpc.OperationType.send_message,
cygrpc.OperationType.send_close_from_client,
cygrpc.OperationType.receive_initial_metadata,
cygrpc.OperationType.receive_message,
cygrpc.OperationType.receive_status_on_client
]), found_client_op_types)
self.assertEqual(5, len(server_event.batch_operations))
found_server_op_types = set()
for server_result in server_event.batch_operations:
self.assertNotIn(client_result.type, found_server_op_types)
found_server_op_types.add(server_result.type)
if server_result.type == cygrpc.OperationType.receive_message:
self.assertEqual(REQUEST, server_result.received_message.bytes())
elif server_result.type == cygrpc.OperationType.receive_close_on_server:
self.assertFalse(server_result.received_cancelled)
self.assertEqual(set([
cygrpc.OperationType.send_initial_metadata,
cygrpc.OperationType.receive_message,
cygrpc.OperationType.send_message,
cygrpc.OperationType.receive_close_on_server,
cygrpc.OperationType.send_status_from_server
]), found_server_op_types)
del client_call
del server_call
if __name__ == '__main__':
unittest.main(verbosity=2)
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