tailscale/ipn/localapi/localapi_test.go

// Copyright (c) Tailscale Inc & AUTHORS
// SPDX-License-Identifier: BSD-3-Clause

package localapi

import (
	"testing"

	"tailscale.com/client/tailscale/apitype"
)

func TestValidHost(t *testing.T) {
	tests := []struct {
		host  string
		valid bool
	}{
		{"", true},
		{apitype.LocalAPIHost, true},
		{"localhost:9109", validLocalHost},
		{"127.0.0.1:9110", validLocalHost},
		{"[::1]:9111", validLocalHost},
		{"100.100.100.100:41112", false},
		{"10.0.0.1:41112", false},
		{"37.16.9.210:41112", false},
	}

	for _, test := range tests {
		t.Run(test.host, func(t *testing.T) {
			if got := validHost(test.host); got != test.valid {
				t.Errorf("validHost(%q)=%v, want %v", test.host, got, test.valid)
			}
		})
	}
}