consul/internal/dnsutil/dns_test.go

53 lines
1.3 KiB
Go

// Copyright (c) HashiCorp, Inc.
// SPDX-License-Identifier: BUSL-1.1
package dnsutil
import (
"testing"
"github.com/stretchr/testify/require"
)
func TestValidLabel(t *testing.T) {
cases := map[string]bool{
"CrEaTeD": true,
"created": true,
"create-deleted": true,
"foo": true,
"": false,
"_foo_": false,
"-foo": false,
"foo-": false,
"-foo-": false,
"-foo-bar-": false,
"no spaces allowed": false,
"thisvaluecontainsalotofcharactersbutnottoomanyandthecaseisatrue": true, // 63 chars
"thisvaluecontainstoomanycharactersandisthusinvalidandtestisfalse": false, // 64 chars
}
t.Run("*", func(t *testing.T) {
t.Run("IsValidLabel", func(t *testing.T) {
require.False(t, IsValidLabel("*"))
})
t.Run("ValidateLabel", func(t *testing.T) {
require.Error(t, ValidateLabel("*"))
})
})
for name, expect := range cases {
t.Run(name, func(t *testing.T) {
t.Run("IsValidDNSLabel", func(t *testing.T) {
require.Equal(t, expect, IsValidLabel(name))
})
t.Run("ValidateLabel", func(t *testing.T) {
if expect {
require.NoError(t, ValidateLabel(name))
} else {
require.Error(t, ValidateLabel(name))
}
})
})
}
}