feat: import Chinese-localized Buzz source snapshot

Signed-off-by: cls_宁波本机 <908705107@qq.com>

perf/test_relay_bus_scaling.py

@@ -0,0 +1,65 @@
+#!/usr/bin/env python3
+"""Unit tests for the relay bus scaling harness."""
+
+from __future__ import annotations
+
+import argparse
+import unittest
+
+import relay_bus_scaling as harness
+
+
+class RelayBusScalingTests(unittest.TestCase):
+    def args(self, **overrides: object) -> argparse.Namespace:
+        defaults = dict(
+            mode="model",
+            pods="1,2,4",
+            communities=64,
+            events_per_community_per_sec=100.0,
+            subscribed_communities=1,
+            interested_pods_per_subscribed_community=0,
+            redis_url="redis://127.0.0.1:6379/0",
+            redis_timeout=1.0,
+            assert_scaling=True,
+            min_reduction_ratio=0.95,
+            max_scoped_irrelevant_pct=0.0,
+        )
+        defaults.update(overrides)
+        return argparse.Namespace(**defaults)
+
+    def test_scoped_global_channel_matches_relay_topic_shape(self) -> None:
+        community = "00000000-0000-0000-0000-000000000001"
+        self.assertEqual(
+            harness.scoped_global_channel(community),
+            "buzz:00000000-0000-0000-0000-000000000001:global",
+        )
+
+    def test_model_default_proves_sixty_four_x_reduction_for_one_two_four_pods(self) -> None:
+        args = self.args()
+        rows = harness.model_measurements(args, [1, 2, 4])
+
+        self.assertEqual([row.pods for row in rows], [1, 2, 4])
+        self.assertEqual([row.reduction for row in rows], [64.0, 64.0, 64.0])
+        self.assertEqual([row.new_irrelevant_pct for row in rows], [0.0, 0.0, 0.0])
+        harness.assert_scaling(args, rows)
+
+    def test_assertion_fails_when_scoped_bus_receives_irrelevant_messages(self) -> None:
+        args = self.args()
+        mutant_row = harness.Measurement(
+            pods=4,
+            old_cluster=25_600,
+            old_avg_pod=6_400,
+            old_irrelevant_pct=98.44,
+            new_cluster=25_600,
+            new_avg_pod=6_400,
+            new_irrelevant_pct=98.44,
+            reduction=1.0,
+            published=6_400,
+        )
+
+        with self.assertRaises(AssertionError):
+            harness.assert_scaling(args, [mutant_row])
+
+
+if __name__ == "__main__":
+    unittest.main()