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89 lines
3.2 KiB
Python
89 lines
3.2 KiB
Python
import time
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from unittest import TestCase, mock
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from scripts.lib.check_rabbitmq_queue import CRITICAL, OK, UNKNOWN, WARNING, analyze_queue_stats
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class AnalyzeQueueStatsTests(TestCase):
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def test_no_stats_available(self) -> None:
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result = analyze_queue_stats("name", {}, 0)
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self.assertEqual(result["status"], UNKNOWN)
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def test_queue_stuck(self) -> None:
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"""Last update > 5 minutes ago and there's events in the queue."""
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result = analyze_queue_stats("name", {"update_time": time.time() - 301}, 100)
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self.assertEqual(result["status"], CRITICAL)
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self.assertIn("queue appears to be stuck", result["message"])
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def test_queue_just_started(self) -> None:
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"""
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We just started processing a burst of events, and haven't processed enough
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to log productivity statistics yet.
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"""
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result = analyze_queue_stats(
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"name",
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{
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"update_time": time.time(),
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"current_queue_size": 10000,
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"recent_average_consume_time": None,
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},
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10000,
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)
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self.assertEqual(result["status"], OK)
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def test_queue_normal(self) -> None:
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"""10000 events and each takes a second => it'll take a long time to empty."""
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result = analyze_queue_stats(
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"name",
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{
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"update_time": time.time(),
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"current_queue_size": 10000,
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"queue_last_emptied_timestamp": time.time() - 10000,
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"recent_average_consume_time": 1,
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},
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10000,
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)
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self.assertEqual(result["status"], CRITICAL)
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self.assertIn("clearing the backlog", result["message"])
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# If we're doing 10K/sec, it's OK.
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result = analyze_queue_stats(
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"name",
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{
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"update_time": time.time(),
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"current_queue_size": 10000,
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"queue_last_emptied_timestamp": time.time() - 10000,
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"recent_average_consume_time": 0.0001,
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},
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10000,
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)
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self.assertEqual(result["status"], OK)
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# Verify logic around whether it'll take MAX_SECONDS_TO_CLEAR to clear queue.
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with mock.patch.dict("scripts.lib.check_rabbitmq_queue.MAX_SECONDS_TO_CLEAR", {"name": 10}):
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result = analyze_queue_stats(
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"name",
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{
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"update_time": time.time(),
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"current_queue_size": 11,
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"queue_last_emptied_timestamp": time.time() - 10000,
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"recent_average_consume_time": 1,
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},
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11,
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)
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self.assertEqual(result["status"], WARNING)
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self.assertIn("clearing the backlog", result["message"])
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result = analyze_queue_stats(
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"name",
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{
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"update_time": time.time(),
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"current_queue_size": 9,
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"queue_last_emptied_timestamp": time.time() - 10000,
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"recent_average_consume_time": 1,
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},
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9,
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)
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self.assertEqual(result["status"], OK)
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