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352634a851
This helper does some nice things like printing out the data structure incase of failure.
111 lines
3.8 KiB
Python
111 lines
3.8 KiB
Python
from typing import Any, Dict, List
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from unittest import mock
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import orjson
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from django.test import override_settings
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from pika.exceptions import AMQPConnectionError, ConnectionClosed
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from zerver.lib.queue import TornadoQueueClient, get_queue_client, queue_json_publish
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from zerver.lib.test_classes import ZulipTestCase
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class TestTornadoQueueClient(ZulipTestCase):
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@mock.patch("zerver.lib.queue.ExceptionFreeTornadoConnection", autospec=True)
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def test_on_open_closed(self, mock_cxn: mock.MagicMock) -> None:
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with self.assertLogs("zulip.queue", "WARNING") as m:
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connection = TornadoQueueClient()
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connection.connection.channel.side_effect = ConnectionClosed("500", "test")
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connection._on_open(mock.MagicMock())
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self.assertEqual(
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m.output,
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[
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"WARNING:zulip.queue:TornadoQueueClient couldn't open channel: connection already closed"
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],
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)
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class TestQueueImplementation(ZulipTestCase):
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@override_settings(USING_RABBITMQ=True)
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def test_register_consumer(self) -> None:
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output = []
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queue_client = get_queue_client()
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def collect(events: List[Dict[str, Any]]) -> None:
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assert len(events) == 1
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output.append(events[0])
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queue_client.stop_consuming()
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queue_json_publish("test_suite", {"event": "my_event"})
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queue_client.start_json_consumer("test_suite", collect)
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self.assert_length(output, 1)
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self.assertEqual(output[0]["event"], "my_event")
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@override_settings(USING_RABBITMQ=True)
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def test_register_consumer_nack(self) -> None:
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output = []
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count = 0
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queue_client = get_queue_client()
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def collect(events: List[Dict[str, Any]]) -> None:
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assert len(events) == 1
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queue_client.stop_consuming()
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nonlocal count
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count += 1
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if count == 1:
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raise Exception("Make me nack!")
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output.append(events[0])
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queue_json_publish("test_suite", {"event": "my_event"})
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try:
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queue_client.start_json_consumer("test_suite", collect)
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except Exception:
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queue_client.start_json_consumer("test_suite", collect)
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# Confirm that we processed the event fully once
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self.assertEqual(count, 2)
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self.assert_length(output, 1)
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self.assertEqual(output[0]["event"], "my_event")
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@override_settings(USING_RABBITMQ=True)
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def test_queue_error_json(self) -> None:
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queue_client = get_queue_client()
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actual_publish = queue_client.publish
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self.counter = 0
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def throw_connection_error_once(self_obj: Any, *args: Any, **kwargs: Any) -> None:
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self.counter += 1
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if self.counter <= 1:
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raise AMQPConnectionError("test")
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actual_publish(*args, **kwargs)
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with mock.patch(
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"zerver.lib.queue.SimpleQueueClient.publish", throw_connection_error_once
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), self.assertLogs("zulip.queue", level="WARN") as warn_logs:
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queue_json_publish("test_suite", {"event": "my_event"})
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self.assertEqual(
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warn_logs.output,
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["WARNING:zulip.queue:Failed to send to rabbitmq, trying to reconnect and send again"],
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)
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assert queue_client.channel
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(_, _, message) = queue_client.channel.basic_get("test_suite")
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assert message
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result = orjson.loads(message)
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self.assertEqual(result["event"], "my_event")
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(_, _, message) = queue_client.channel.basic_get("test_suite")
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assert not message
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@override_settings(USING_RABBITMQ=True)
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def tearDown(self) -> None:
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queue_client = get_queue_client()
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assert queue_client.channel
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queue_client.channel.queue_purge("test_suite")
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super().tearDown()
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