dnstest

package
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Published: Oct 19, 2026 License: MIT Imports: 7 Imported by: 0

Documentation

Overview

Package dnstest starts embedded pkgs/dns servers on free ports for tests.

Index

Constants

This section is empty.

Variables

This section is empty.

Functions

func FreeAddr

func FreeAddr(t *testing.T) string

FreeAddr returns a 127.0.0.1 address whose port was free on both UDP and TCP at call time, for code that starts its own DNS server (still racy, but narrower).

func Start

Start runs a DNS server on a free 127.0.0.1 port, retrying when the UDP or TCP side of the chosen port is already taken. Stop is registered in t.Cleanup; the returned cancel func cancels the server context and is safe to call twice.

Types

This section is empty.

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