Future-proof Testing (Expansive protocol test coverage) 🧪

[p-shahi]

eta: 2023Q3

Why: Having interoperability tests with lots of transports, encryption mechanisms, and stream muxers is great. However, we need to stay backwards-compatible with legacy libp2p releases, with other libp2p implementations, and less advanced libp2p stacks.

Goal: Expand beyond unit tests and have expansive test-plan coverage that covers all protocols.

Tasks

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1. add tests for hole punching #126
   +0
2. add a test plan that measures the RTT of libp2p handshakes #52
   P0 effort/days kind/enhancement +3
   
3. add connectivity tests for circuit v2 #116
   +0
   
4. add tests for AutoNAT #124
   +0
5. GossipSub tests
6. Kad DHT tests
7. DHT server mode scale test (js-libp2p context) #195
   +0