pyinfra/test/unit_tests/consumer_test.py

125 lines
3.9 KiB
Python

import gzip
import logging
from operator import itemgetter
import pytest
from pyinfra.exceptions import ProcessingFailure
from pyinfra.queue.consumer import Consumer
from pyinfra.visitor import get_object_descriptor, ForwardingStrategy
logger = logging.getLogger()
@pytest.fixture(scope="session")
def consumer(queue_manager, callback):
return Consumer(callback, queue_manager)
@pytest.fixture(scope="session")
def access_callback():
return itemgetter("fileId")
@pytest.fixture()
def items():
def inner():
for i in range(3):
body = {
"dossierId": "folder",
"fileId": f"file{i}",
"targetFileExtension": "in.gz",
"responseFileExtension": "out.gz",
}
yield f"{i}".encode(), body
return list(inner())
class TestConsumer:
@pytest.mark.parametrize("queue_manager_name", ["mock", "pika"], scope="session")
def test_consuming_empty_input_queue_does_not_put_anything_on_output_queue(self, consumer, queue_manager):
queue_manager.clear()
consumer.consume()
assert queue_manager.output_queue.empty()
@pytest.mark.parametrize("queue_manager_name", ["mock", "pika"], scope="session")
def test_consuming_nonempty_input_queue_puts_messages_on_output_queue_in_fifo_order(
self, consumer, queue_manager, callback
):
def produce_items():
return map(str, range(3))
def mock_visitor(callback):
def inner(data):
return callback({"data": data.encode()})
return inner
callback = mock_visitor(callback)
queue_manager.clear()
for item in produce_items():
queue_manager.publish_request(item)
requests = consumer.consume()
for _, r in zip(produce_items(), requests):
queue_manager.publish_response(r, callback)
assert queue_manager.output_queue.to_list() == ["00", "11", "22"]
@pytest.mark.parametrize("queue_manager_name", ["mock", "pika"], scope="session")
@pytest.mark.parametrize("client_name", ["mock", "s3", "azure"], scope="session")
@pytest.mark.parametrize("response_strategy_name", ["forwarding", "storage"], scope="session")
def test_consuming_nonempty_input_queue_with_visitor_puts_messages_on_output_queue_in_fifo_order(
self, consumer, queue_manager, visitor, bucket_name, storage, items
):
visitor.response_strategy = ForwardingStrategy()
queue_manager.clear()
storage.clear_bucket(bucket_name)
for data, message in items:
storage.put_object(**get_object_descriptor(message), data=gzip.compress(data))
queue_manager.publish_request(message)
requests = consumer.consume(inactivity_timeout=5)
for itm, req in zip(items, requests):
logger.debug(f"Processing item {itm}")
queue_manager.publish_response(req, visitor)
assert list(map(itemgetter("data"), queue_manager.output_queue.to_list())) == ["00", "11", "22"]
@pytest.mark.parametrize("queue_manager_name", ["pika"], scope="session")
def test_message_is_republished_when_callback_raises_processing_failure_exception(
self, consumer, queue_manager, bucket_name, items
):
class DebugError(Exception):
pass
def callback(_):
raise ProcessingFailure()
def reject_patch(*args, **kwargs):
raise DebugError()
queue_manager.reject = reject_patch
queue_manager.clear()
for data, message in items:
queue_manager.publish_request(message)
requests = consumer.consume()
logger = logging.getLogger("pyinfra.queue.queue_manager.pika_queue_manager")
logger.addFilter(lambda record: False)
with pytest.raises(DebugError):
while True:
queue_manager.publish_response(next(requests), callback)