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discover/TEST.md

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Discover Module Test Report

Test Coverage

  • Standard Discovery: Basic registration and discovery via Redis. (Verified in TestDiscover)
  • WebSocket Support: Caller supports transparent WebSocket proxying. (Verified in TestDiscover)
  • Multi-Instance Isolation: Verified that multiple Discoverer instances can coexist and correctly discover each other when configured, while remaining isolated in their own lifecycle. (Verified in TestMultipleDiscoverer)
  • EasyStart: Automatic IP and port detection for zero-config startup. (Verified in TestEasyStart)

Deadlock & Stability Fixes

  • Stop() Deadlock: Fixed by releasing appLock before calling blocking Redis/PubSub operations.
  • AddExternalApp Deadlock: Fixed by removing unnecessary lock acquisition during subscription, avoiding non-reentrant lock traps.
  • Daemon Shutdown: Improved daemon thread exit logic using select and close(signal), ensuring immediate termination upon Stop().
  • H2C Optimization: Avoided slow retries in tests by explicitly configuring HTTP/1.1 for mock servers.

Benchmarks

  • BenchmarkDiscover: ~500 ns/op (Core node selection and load balancing logic)

Date: 2026-05-05 Environment: Darwin / Intel(R) Core(TM) i9-9980HK CPU @ 2.40GHz