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# Copyright 2024 Proyectos y Sistemas de Mantenimiento SL (eProsima).
#
# 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.
import subprocess
import pytest
delivery_test_cases = [
# Default builtin transports (remove isolated subscriber to avoid flakiness)
('', '-s 20', '--unknown-argument', '', 30),
('', '-s 20', '--unknown-argument', '--ignore-local-endpoints', 30),
# Data-sharing isolated subscriber tested in timeout test cases
('--mechanism data-sharing', '-s 20 --mechanism data-sharing', '--unknown-argument', '--mechanism data-sharing', 30),
('--mechanism data-sharing', '-s 20 --mechanism data-sharing', '--unknown-argument', '--mechanism data-sharing --ignore-local-endpoints', 30),
# Intra-process only makes sense for pubsub entities. This test forces entities != pubsub to fail, so
# only 1 message is expected per sample (the local one)
('--unknown-argument', '--unknown-argument', '--unknown-argument', '--mechanism intra-process', 10),
# Large-data (using shared memory, so isolated subscriber is removed to avoid flakiness)
('--mechanism large-data', '-s 20 --mechanism large-data', '--unknown-argument', '--mechanism large-data', 30),
('--mechanism large-data', '-s 20 --mechanism large-data', '--unknown-argument', '--mechanism large-data --ignore-local-endpoints', 30),
# Shared memory isolated subscriber tested in timeout test cases
('--mechanism shm', '-s 20 --mechanism shm', '--unknown-argument', '--mechanism shm', 30),
('--mechanism shm', '-s 20 --mechanism shm', '--unknown-argument', '--mechanism shm --ignore-local-endpoints', 30),
# TCP takes longer to match, so explicitly expect much more samples in this case.
# TCP is configured through initial peers (a single locator), so we test only one publisher at a time
# Note: pubsub with TCP and ignore-local-endpoints NOT set is not supported, tested in expected output test cases
('-s 100 --mechanism tcpv4', '-s 100 --mechanism tcpv4', '-s 100 --mechanism tcpv4', '--unknown-command', 200),
('-s 100 --mechanism tcpv6', '-s 100 --mechanism tcpv6', '-s 100 --mechanism tcpv6', '--unknown-command', 200),
# UDP
('--mechanism udpv4', '-s 20 --mechanism udpv4', '-s 20 --mechanism udpv4', '--mechanism udpv4', 50),
('--mechanism udpv4', '-s 20 --mechanism udpv4', '-s 20 --mechanism udpv4', '--mechanism udpv4 --ignore-local-endpoints', 50),
('--mechanism udpv6', '-s 20 --mechanism udpv6', '-s 20 --mechanism udpv6', '--mechanism udpv6', 50),
('--mechanism udpv6', '-s 20 --mechanism udpv6', '-s 20 --mechanism udpv6', '--mechanism udpv6 --ignore-local-endpoints', 50)
]
@pytest.mark.parametrize("pub_args, sub_args, isub_args, pubsub_args, repetitions", delivery_test_cases)
def test_delivery_mechanisms(pub_args, sub_args, isub_args, pubsub_args, repetitions):
"""."""
ret = False
out = ''
command_prerequisites = 'PUB_ARGS="' + pub_args + '" SUB_ARGS="' + sub_args + '" ISUB_ARGS="' + isub_args + '" PUBSUB_ARGS="' + pubsub_args + '" '
try:
out = subprocess.check_output(command_prerequisites + '@DOCKER_EXECUTABLE@ compose -f delivery_mechanisms.compose.yml up',
stderr=subprocess.STDOUT,
shell=True,
timeout=30
).decode().split('\n')
sent = 0
received = 0
for line in out:
if 'SENT' in line:
sent += 1
if 'RECEIVED' in line:
received += 1
if sent != 0 and received != 0 and repetitions == received:
ret = True
else:
print('ERROR: sent: ' + str(sent) + ', but received: ' + str(received) +
' (expected: ' + str(repetitions) + ')')
raise subprocess.CalledProcessError(1, '')
except subprocess.CalledProcessError:
for l in out:
print(l)
except subprocess.TimeoutExpired:
print('TIMEOUT')
print(out)
assert(ret)
timeout_test_cases = [
# Shared memory and data-sharing isolated subscriber timeout test cases
('--mechanism shm', '--unknown-argument', '--mechanism shm', '--unknown-argument'),
('--mechanism data-sharing', '--unknown-argument', '--mechanism data-sharing', '--unknown-argument'),
# Incompatible mechanisms timeout test cases
('--mechanism tcpv4', '--mechanism udpv4', '--mechanism udpv6', '--mechanism tcpv6 -i'),
('--mechanism shm', '--mechanism data-sharing', '--mechanism large-data', '--mechanism intra-process -i')
]
@pytest.mark.parametrize("pub_args, sub_args, isub_args, pubsub_args", timeout_test_cases)
def test_delivery_mechanisms_timeout(pub_args, sub_args, isub_args, pubsub_args):
"""."""
ret = False
out = ''
command_prerequisites = 'PUB_ARGS="' + pub_args + '" SUB_ARGS="' + sub_args + '" ISUB_ARGS="' + isub_args + '" PUBSUB_ARGS="' + pubsub_args + '" '
try:
out = subprocess.check_output(command_prerequisites + '@DOCKER_EXECUTABLE@ compose -f delivery_mechanisms.compose.yml up',
stderr=subprocess.STDOUT,
shell=True,
timeout=10
)
except subprocess.CalledProcessError as e:
print (e.output)
except subprocess.TimeoutExpired:
ret = True
subprocess.check_output('@DOCKER_EXECUTABLE@ compose -f delivery_mechanisms.compose.yml down',
stderr=subprocess.STDOUT,
shell=True,
timeout=15
)
assert(ret)
# Unsupported delivery mechanisms corner case test
expected_output_test_cases = [
('--unknown-argument', '--unknown-argument', '--mechanism tcp', 'Unsupported', 1)
]
@pytest.mark.parametrize("pub_args, sub_args, pubsub_args, expected_message, n_messages", expected_output_test_cases)
def test_delivery_mechanisms_expected_output(pub_args, sub_args, pubsub_args, expected_message, n_messages):
"""."""
ret = False
out = ''
render_out = ''
command_prerequisites = 'PUB_ARGS="' + pub_args + '" SUB_ARGS="' + sub_args + '" ISUB_ARGS="' + sub_args + '" PUBSUB_ARGS="' + pubsub_args + '" '
try:
out = subprocess.check_output(command_prerequisites + '@DOCKER_EXECUTABLE@ compose -f delivery_mechanisms.compose.yml up',
stderr=subprocess.STDOUT,
shell=True,
timeout=20
)
render_out = out.decode().split('\n')
count = 0
for line in render_out:
if expected_message in line:
count += 1
if count >= int(n_messages):
ret = True
else:
print ('ERROR: expected at least: ' + n_messages +' "' + expected_message + '" messages, but received ' + str(count))
raise subprocess.CalledProcessError(1, render_out)
except subprocess.CalledProcessError as e:
print (render_out)
except subprocess.TimeoutExpired:
print('TIMEOUT')
print(out)
assert(ret)
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