Unit tests cover InMemoryFileOps (read/write/stat/list/rename/remove, seek,
misuse guards, constructor seed) and InMemoryState. No WASM needed.
Integration tests spin up three real Tailscale nodes against a headscale
control server, verifying initIPN WASM loading, /localapi/v0/status, and
two-node TCP dial/listen. Credentials loaded from .env.local (gitignored).
All IPN instances share one Go WASM runtime (factory compiled once); shutdown()
on any one exits the runtime, so a single before()/after() pair wraps the suite.
test:coverage script added for consistency with other packages.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
codingetandClaude
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