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package dnsutil
import (
"testing"
"github.com/miekg/dns"
)
func TestDuplicateCNAME(t *testing.T) {
tests := []struct {
cname string
records []string
expected bool
}{
{
"1.0.0.192.IN-ADDR.ARPA. 3600 IN CNAME 1.0.0.0.192.IN-ADDR.ARPA.",
[]string{
"US. 86400 IN NSEC 0-.us. NS SOA RRSIG NSEC DNSKEY TYPE65534",
"1.0.0.192.IN-ADDR.ARPA. 3600 IN CNAME 1.0.0.0.192.IN-ADDR.ARPA.",
},
true,
},
{
"1.0.0.192.IN-ADDR.ARPA. 3600 IN CNAME 1.0.0.0.192.IN-ADDR.ARPA.",
[]string{
"US. 86400 IN NSEC 0-.us. NS SOA RRSIG NSEC DNSKEY TYPE65534",
},
false,
},
{
"1.0.0.192.IN-ADDR.ARPA. 3600 IN CNAME 1.0.0.0.192.IN-ADDR.ARPA.",
[]string{},
false,
},
}
for i, test := range tests {
cnameRR, err := dns.NewRR(test.cname)
if err != nil {
t.Fatalf("Test %d, cname ('%s') error (%s)!", i, test.cname, err)
}
cname := cnameRR.(*dns.CNAME)
records := []dns.RR{}
for j, r := range test.records {
rr, err := dns.NewRR(r)
if err != nil {
t.Fatalf("Test %d, record %d ('%s') error (%s)!", i, j, r, err)
}
records = append(records, rr)
}
got := DuplicateCNAME(cname, records)
if got != test.expected {
t.Errorf("Test %d, expected '%v', got '%v' for CNAME ('%s') and RECORDS (%v)", i, test.expected, got, test.cname, test.records)
}
}
}
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