177e32b62e
add a test to see if we copy the rcode correctly. Some minor cleanup in import ordering and renaming NewUpstream to New as we already are in the upstream package.
68 lines
1.8 KiB
Go
68 lines
1.8 KiB
Go
package forward
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import (
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"testing"
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"github.com/coredns/coredns/plugin/pkg/dnstest"
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"github.com/coredns/coredns/plugin/test"
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"github.com/coredns/coredns/request"
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"github.com/miekg/dns"
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)
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func TestForward(t *testing.T) {
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s := dnstest.NewServer(func(w dns.ResponseWriter, r *dns.Msg) {
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ret := new(dns.Msg)
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ret.SetReply(r)
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ret.Answer = append(ret.Answer, test.A("example.org. IN A 127.0.0.1"))
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w.WriteMsg(ret)
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})
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defer s.Close()
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p := NewProxy(s.Addr, nil /* not TLS */)
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f := New()
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f.SetProxy(p)
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defer f.Close()
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state := request.Request{W: &test.ResponseWriter{}, Req: new(dns.Msg)}
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state.Req.SetQuestion("example.org.", dns.TypeA)
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resp, err := f.Forward(state)
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if err != nil {
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t.Fatal("Expected to receive reply, but didn't")
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}
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// expect answer section with A record in it
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if len(resp.Answer) == 0 {
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t.Fatalf("Expected to at least one RR in the answer section, got none: %s", resp)
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}
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if resp.Answer[0].Header().Rrtype != dns.TypeA {
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t.Errorf("Expected RR to A, got: %d", resp.Answer[0].Header().Rrtype)
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}
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if resp.Answer[0].(*dns.A).A.String() != "127.0.0.1" {
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t.Errorf("Expected 127.0.0.1, got: %s", resp.Answer[0].(*dns.A).A.String())
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}
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}
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func TestForwardRefused(t *testing.T) {
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s := dnstest.NewServer(func(w dns.ResponseWriter, r *dns.Msg) {
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ret := new(dns.Msg)
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ret.SetReply(r)
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ret.Rcode = dns.RcodeRefused
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w.WriteMsg(ret)
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})
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defer s.Close()
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p := NewProxy(s.Addr, nil)
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f := New()
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f.SetProxy(p)
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defer f.Close()
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state := request.Request{W: &test.ResponseWriter{}, Req: new(dns.Msg)}
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state.Req.SetQuestion("example.org.", dns.TypeA)
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resp, err := f.Forward(state)
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if err != nil {
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t.Fatal("Expected to receive reply, but didn't")
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}
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if resp.Rcode != dns.RcodeRefused {
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t.Errorf("Expected rcode to be %d, got %d", dns.RcodeRefused, resp.Rcode)
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}
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}
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