mirror of https://github.com/hashicorp/consul
123 lines
3.0 KiB
Go
123 lines
3.0 KiB
Go
// Copyright (c) HashiCorp, Inc.
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// SPDX-License-Identifier: BUSL-1.1
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package dnsutil
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import (
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"net"
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"testing"
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"github.com/stretchr/testify/require"
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)
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func TestValidLabel(t *testing.T) {
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cases := map[string]bool{
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"CrEaTeD": true,
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"created": true,
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"create-deleted": true,
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"foo": true,
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"": false,
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"_foo_": false,
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"-foo": false,
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"foo-": false,
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"-foo-": false,
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"-foo-bar-": false,
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"no spaces allowed": false,
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"thisvaluecontainsalotofcharactersbutnottoomanyandthecaseisatrue": true, // 63 chars
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"thisvaluecontainstoomanycharactersandisthusinvalidandtestisfalse": false, // 64 chars
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}
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t.Run("*", func(t *testing.T) {
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t.Run("IsValidLabel", func(t *testing.T) {
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require.False(t, IsValidLabel("*"))
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})
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t.Run("ValidateLabel", func(t *testing.T) {
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require.Error(t, ValidateLabel("*"))
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})
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})
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for name, expect := range cases {
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t.Run(name, func(t *testing.T) {
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t.Run("IsValidDNSLabel", func(t *testing.T) {
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require.Equal(t, expect, IsValidLabel(name))
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})
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t.Run("ValidateLabel", func(t *testing.T) {
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if expect {
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require.NoError(t, ValidateLabel(name))
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} else {
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require.Error(t, ValidateLabel(name))
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}
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})
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})
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}
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}
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func TestDNSInvalidRegex(t *testing.T) {
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tests := []struct {
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desc string
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in string
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invalid bool
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}{
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{"Valid Hostname", "testnode", false},
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{"Valid Hostname", "test-node", false},
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{"Invalid Hostname with special chars", "test#$$!node", true},
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{"Invalid Hostname with special chars in the end", "testnode%^", true},
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{"Whitespace", " ", true},
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{"Only special chars", "./$", true},
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}
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for _, test := range tests {
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t.Run(test.desc, func(t *testing.T) {
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if got, want := InvalidNameRe.MatchString(test.in), test.invalid; got != want {
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t.Fatalf("Expected %v to return %v", test.in, want)
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}
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})
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}
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}
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func Test_IPFromARPA(t *testing.T) {
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testCases := []struct {
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name string
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input string
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expected net.IP
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}{
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{
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name: "valid ipv4",
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input: "4.3.2.1.in-addr.arpa.",
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expected: net.ParseIP("1.2.3.4"),
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},
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{
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name: "valid ipv6",
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input: "b.a.9.8.7.6.5.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.8.b.d.0.1.0.0.2.ip6.arpa",
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expected: net.ParseIP("2001:db8::567:89ab"),
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},
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{
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name: "invalid subdomain",
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input: "4.3.2.1.addressplz.arpa",
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},
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{
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name: "invalid ipv4 - invalid octet",
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input: "277.3.2.1.in-addr.arpa",
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},
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{
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name: "invalid ipv4 - too short",
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input: "3.2.1.in-addr.arpa",
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},
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{
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name: "invalid ipv6 - invalid hex char",
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input: "x.a.9.8.7.6.5.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.8.b.d.0.1.0.0.2.ip6.arpa",
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},
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{
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name: "invalid ipv6 - too long",
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input: "d.b.a.9.8.7.6.5.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.8.b.d.0.1.0.0.2.ip6.arpa",
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},
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}
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for _, tc := range testCases {
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t.Run(tc.name, func(t *testing.T) {
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actual := IPFromARPA(tc.input)
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require.Equal(t, tc.expected, actual)
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})
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}
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}
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