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# 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 are as small/fast as possible.
Usage:
bazel run pw_transfer/integration_test:cross_language_small_test
Command-line arguments must be provided after a double-dash:
bazel run pw_transfer/integration_test:cross_language_small_test -- \
--server-port 3304
Which tests to run can be specified as command-line arguments:
bazel run pw_transfer/integration_test:cross_language_small_test -- \
SmallTransferIntegrationTest.test_single_byte_client_write_1_java
"""
import itertools
from parameterized import parameterized
from pigweed.pw_transfer.integration_test import config_pb2
import test_fixture
from test_fixture import TransferIntegrationTestHarness
_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 SmallTransferIntegrationTest(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=3302, client_port=3303
)
@parameterized.expand(_ALL_LANGUAGES_AND_VERSIONS)
def test_empty_client_write(self, client_type, protocol_version):
payload = b""
config = self.default_config()
resource_id = 5
# Packet drops can cause the resource ID for this to be opened/closed
# multiple times due to the zero-size transfer. Use a
# permanent_resource_id so the retry process can succeed and the harness
# won't flake.
self.do_single_write(
client_type,
config,
resource_id,
payload,
protocol_version,
permanent_resource_id=True,
)
@parameterized.expand(_ALL_LANGUAGES_AND_VERSIONS)
def test_null_byte_client_write(self, client_type, protocol_version):
payload = b"\0"
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_single_byte_client_write(self, client_type, protocol_version):
payload = b"?"
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_small_client_write(self, client_type, protocol_version):
payload = b"some data"
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_empty_client_read(self, client_type, protocol_version):
payload = b""
config = self.default_config()
resource_id = 5
self.do_single_read(
client_type, config, resource_id, payload, protocol_version
)
@parameterized.expand(_ALL_LANGUAGES_AND_VERSIONS)
def test_null_byte_client_read(self, client_type, protocol_version):
payload = b"\0"
config = self.default_config()
resource_id = 5
self.do_single_read(
client_type, config, resource_id, payload, protocol_version
)
@parameterized.expand(_ALL_LANGUAGES_AND_VERSIONS)
def test_single_byte_client_read(self, client_type, protocol_version):
payload = b"?"
config = self.default_config()
resource_id = 5
self.do_single_read(
client_type, config, resource_id, payload, protocol_version
)
@parameterized.expand(_ALL_LANGUAGES_AND_VERSIONS)
def test_small_client_read(self, client_type, protocol_version):
payload = b"some data"
config = self.default_config()
resource_id = 5
self.do_single_read(
client_type, config, resource_id, payload, protocol_version
)
if __name__ == '__main__':
test_fixture.run_tests_for(SmallTransferIntegrationTest)
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