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#!/usr/bin/env python3
# Copyright 2022 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.
"""Cross-language pw_transfer tests that take several seconds each.
Usage:
bazel run pw_transfer/integration_test:cross_language_medium_write_test
Command-line arguments must be provided after a double-dash:
bazel run pw_transfer/integration_test:cross_language_medium_write_test -- \
--server-port 3304
Which tests to run can be specified as command-line arguments:
bazel run pw_transfer/integration_test:cross_language_medium_write_test -- \
MediumTransferWriteIntegrationTest.test_medium_client_write_1_java
"""
import itertools
from parameterized import parameterized
import random
from google.protobuf import text_format
from pigweed.pw_transfer.integration_test import config_pb2
from pigweed.pw_transfer.integration_test import test_fixture
from test_fixture import TransferIntegrationTestHarness, TransferConfig
_ALL_LANGUAGES = ("cpp", "java", "python")
_ALL_VERSIONS = (
config_pb2.TransferAction.ProtocolVersion.V1,
config_pb2.TransferAction.ProtocolVersion.V2,
)
_ALL_LANGUAGES_AND_VERSIONS = tuple(
itertools.product(_ALL_LANGUAGES, _ALL_VERSIONS)
)
class MediumTransferWriteIntegrationTest(test_fixture.TransferIntegrationTest):
# Each set of transfer tests uses a different client/server port pair to
# allow tests to be run in parallel.
HARNESS_CONFIG = TransferIntegrationTestHarness.Config(
server_port=3316, client_port=3317
)
@parameterized.expand(_ALL_LANGUAGES_AND_VERSIONS)
def test_medium_client_write(self, client_type, protocol_version):
payload = random.Random(67336391945).randbytes(512)
config = self.default_config()
resource_id = 5
self.do_single_write(
client_type, config, resource_id, payload, protocol_version
)
@parameterized.expand(_ALL_LANGUAGES_AND_VERSIONS)
def test_large_hdlc_escape_client_write(
self, client_type, protocol_version
):
# Use bytes that will be escaped by HDLC to ensure transfer over a
# HDLC channel doesn't cause frame corruption due to insufficient
# buffer space. ~10KB is relatively arbitrary, but is to ensure that
# more than a small handful of packets are sent between the server
# and client.
payload = b"~" * 98731
config = self.default_config()
resource_id = 5
self.do_single_write(
client_type, config, resource_id, payload, protocol_version
)
@parameterized.expand(_ALL_LANGUAGES_AND_VERSIONS)
def test_pattern_drop_client_write(self, client_type, protocol_version):
"""Drops packets with an alternating pattern."""
payload = random.Random(67336391945).randbytes(1234)
config = TransferConfig(
self.default_server_config(),
self.default_client_config(),
text_format.Parse(
"""
client_filter_stack: [
{ hdlc_packetizer: {} },
{ keep_drop_queue: {keep_drop_queue: [5, 1]} }
]
server_filter_stack: [
{ hdlc_packetizer: {} },
{ keep_drop_queue: {keep_drop_queue: [5, 1]} }
]""",
config_pb2.ProxyConfig(),
),
)
# Resource ID is arbitrary, but deliberately set to be >1 byte.
resource_id = 1337
# This test deliberately causes flakes during the opening handshake of
# a transfer, so allow the resource_id of this transfer to be reused
# multiple times.
self.do_single_write(
client_type,
config,
resource_id,
payload,
protocol_version,
permanent_resource_id=True,
)
@parameterized.expand(_ALL_LANGUAGES_AND_VERSIONS)
def test_parameter_drop_client_write(self, client_type, protocol_version):
"""Drops the first few transfer initialization packets."""
payload = random.Random(67336391945).randbytes(1234)
config = TransferConfig(
self.default_server_config(),
self.default_client_config(),
text_format.Parse(
"""
client_filter_stack: [
{ hdlc_packetizer: {} },
{ keep_drop_queue: {keep_drop_queue: [2, 1, -1]} }
]
server_filter_stack: [
{ hdlc_packetizer: {} },
{ keep_drop_queue: {keep_drop_queue: [1, 2, -1]} }
]""",
config_pb2.ProxyConfig(),
),
)
# Resource ID is arbitrary, but deliberately set to be >2 bytes.
resource_id = 597419
self.do_single_write(
client_type, config, resource_id, payload, protocol_version
)
if __name__ == '__main__':
test_fixture.run_tests_for(MediumTransferWriteIntegrationTest)
|
