// SPDX-License-Identifier: BSD-3-Clause package util_test import ( "testing" "git.froth.zone/sam/awl/util" "github.com/miekg/dns" "gotest.tools/v3/assert" ) var ( PTR = dns.StringToType["PTR"] NAPTR = dns.StringToType["NAPTR"] ) func TestIPv4(t *testing.T) { t.Parallel() act, err := util.ReverseDNS("8.8.4.4", PTR) assert.NilError(t, err) assert.Equal(t, act, "4.4.8.8.in-addr.arpa.", "IPv4 reverse") } func TestIPv6(t *testing.T) { t.Parallel() act, err := util.ReverseDNS("2606:4700:4700::1111", PTR) assert.NilError(t, err) assert.Equal(t, act, "1.1.1.1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.7.4.0.0.7.4.6.0.6.2.ip6.arpa.", "IPv6 reverse") } func TestNAPTR(t *testing.T) { t.Parallel() tests := []struct { in string want string }{ {"1-800-555-1234", "4.3.2.1.5.5.5.0.0.8.1.e164.arpa."}, {"+1 800555 1234", "4.3.2.1.5.5.5.0.0.8.1.e164.arpa."}, {"+46766861004", "4.0.0.1.6.8.6.6.7.6.4.e164.arpa."}, {"17705551212", "2.1.2.1.5.5.5.0.7.7.1.e164.arpa."}, } for _, test := range tests { // Thanks Goroutines, very cool! test := test t.Run(test.in, func(t *testing.T) { t.Parallel() act, err := util.ReverseDNS(test.in, NAPTR) assert.NilError(t, err) assert.Equal(t, test.want, act) }) } } func TestInvalid(t *testing.T) { t.Parallel() _, err := util.ReverseDNS("AAAAA", 1) assert.ErrorContains(t, err, "no IP found") }