coredns/test/grpc_test.go
2017-03-18 17:08:39 +00:00

61 lines
1.2 KiB
Go

package test
import (
"io/ioutil"
"log"
"testing"
"time"
"github.com/miekg/dns"
"golang.org/x/net/context"
"google.golang.org/grpc"
"github.com/coredns/coredns/pb"
)
func TestGrpc(t *testing.T) {
log.SetOutput(ioutil.Discard)
corefile := `grpc://.:0 {
whoami
}
`
g, err := CoreDNSServer(corefile)
if err != nil {
t.Fatalf("Could not get CoreDNS serving instance: %s", err)
}
_, tcp := CoreDNSServerPorts(g, 0)
defer g.Stop()
conn, err := grpc.Dial(tcp, grpc.WithInsecure(), grpc.WithBlock(), grpc.WithTimeout(5*time.Second))
if err != nil {
t.Fatalf("Expected no error but got: %s", err)
}
defer conn.Close()
client := pb.NewDnsServiceClient(conn)
m := new(dns.Msg)
m.SetQuestion("whoami.example.org.", dns.TypeA)
msg, _ := m.Pack()
reply, err := client.Query(context.TODO(), &pb.DnsPacket{Msg: msg})
if err != nil {
t.Errorf("Expected no error but got: %s", err)
}
d := new(dns.Msg)
err = d.Unpack(reply.Msg)
if err != nil {
t.Errorf("Expected no error but got: %s", err)
}
if d.Rcode != dns.RcodeSuccess {
t.Errorf("Expected success but got %s", d.Rcode)
}
if len(d.Extra) != 2 {
t.Errorf("Expected 2 RRs in additional section, but got %s", len(d.Extra))
}
}