58 lines
1.3 KiB
Go
58 lines
1.3 KiB
Go
package test
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import (
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"context"
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"testing"
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"time"
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"github.com/coredns/coredns/pb"
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"github.com/miekg/dns"
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"google.golang.org/grpc"
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"google.golang.org/grpc/credentials/insecure"
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)
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func TestGrpc(t *testing.T) {
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corefile := `grpc://.:0 {
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whoami
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}`
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g, _, tcp, err := CoreDNSServerAndPorts(corefile)
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if err != nil {
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t.Fatalf("Could not get CoreDNS serving instance: %s", err)
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}
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defer g.Stop()
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ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
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defer cancel()
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conn, err := grpc.DialContext(ctx, tcp, grpc.WithTransportCredentials(insecure.NewCredentials()), grpc.WithBlock())
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if err != nil {
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t.Fatalf("Expected no error but got: %s", err)
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}
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defer conn.Close()
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client := pb.NewDnsServiceClient(conn)
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m := new(dns.Msg)
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m.SetQuestion("whoami.example.org.", dns.TypeA)
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msg, _ := m.Pack()
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reply, err := client.Query(context.TODO(), &pb.DnsPacket{Msg: msg})
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if err != nil {
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t.Errorf("Expected no error but got: %s", err)
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}
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d := new(dns.Msg)
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err = d.Unpack(reply.Msg)
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if err != nil {
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t.Errorf("Expected no error but got: %s", err)
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}
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if d.Rcode != dns.RcodeSuccess {
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t.Errorf("Expected success but got %d", d.Rcode)
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}
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if len(d.Extra) != 2 {
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t.Errorf("Expected 2 RRs in additional section, but got %d", len(d.Extra))
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}
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}
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