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package test
import (
"testing"
"github.com/coredns/coredns/plugin/test"
"github.com/miekg/dns"
)
func TestLookupProxy(t *testing.T) {
t.Parallel()
name, rm, err := test.TempFile(".", exampleOrg)
if err != nil {
t.Fatalf("Failed to create zone: %s", err)
}
defer rm()
corefile := `example.org:0 {
file ` + name + `
}`
i, udp, _, err := CoreDNSServerAndPorts(corefile)
if err != nil {
t.Fatalf("Could not get CoreDNS serving instance: %s", err)
}
defer i.Stop()
m := new(dns.Msg)
m.SetQuestion("example.org.", dns.TypeA)
resp, err := dns.Exchange(m, udp)
if err != nil {
t.Fatal("Expected to receive reply, but didn't")
}
// expect answer section with A record in it
if len(resp.Answer) == 0 {
t.Fatalf("Expected to at least one RR in the answer section, got none: %s", resp)
}
if resp.Answer[0].Header().Rrtype != dns.TypeA {
t.Errorf("Expected RR to A, got: %d", resp.Answer[0].Header().Rrtype)
}
if resp.Answer[0].(*dns.A).A.String() != "127.0.0.1" {
t.Errorf("Expected 127.0.0.1, got: %s", resp.Answer[0].(*dns.A).A.String())
}
}
func BenchmarkProxyLookup(b *testing.B) {
t := new(testing.T)
name, rm, err := test.TempFile(".", exampleOrg)
if err != nil {
t.Fatalf("Failed to created zone: %s", err)
}
defer rm()
corefile := `example.org:0 {
file ` + name + `
}`
i, err := CoreDNSServer(corefile)
if err != nil {
t.Fatalf("Could not get CoreDNS serving instance: %s", err)
}
udp, _ := CoreDNSServerPorts(i, 0)
if udp == "" {
t.Fatalf("Could not get udp listening port")
}
defer i.Stop()
m := new(dns.Msg)
m.SetQuestion("example.org.", dns.TypeA)
b.ResetTimer()
for i := 0; i < b.N; i++ {
if _, err := dns.Exchange(m, udp); err != nil {
b.Fatal("Expected to receive reply, but didn't")
}
}
}
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