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			46 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
		
		
			
		
	
	
			46 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
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								package file
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								import (
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									"context"
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									"strings"
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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/miekg/dns"
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								)
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								const exampleApexOnly = `$ORIGIN example.com.
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								@   IN      SOA     ns1.example.com. admin.example.com.  (
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								                               2005011437 ; Serial
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								                               1200       ; Refresh
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								                               144        ; Retry
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								                               1814400    ; Expire
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								                               2h )       ; Minimum
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								@           IN  NS      ns1.example.com.
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								`
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								func TestLookupApex(t *testing.T) {
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									// this tests a zone with *only* an apex. The behavior here is wrong, we should return NODATA, but we do a NXDOMAIN.
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									// Adding this test to document this. Note a zone that doesn't have any data is pretty useless anyway, so rather than
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									// fix this with an entirely new branch in lookup.go, just live with it.
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									zone, err := Parse(strings.NewReader(exampleApexOnly), "example.com.", "stdin", 0)
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									if err != nil {
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										t.Fatalf("Expected no error when reading zone, got %q", err)
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									}
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									fm := File{Next: test.ErrorHandler(), Zones: Zones{Z: map[string]*Zone{"example.com.": zone}, Names: []string{"example.com."}}}
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									ctx := context.TODO()
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									m := new(dns.Msg)
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									m.SetQuestion("example.com.", dns.TypeA)
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									rec := dnstest.NewRecorder(&test.ResponseWriter{})
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									if _, err := fm.ServeDNS(ctx, rec, m); err != nil {
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										t.Errorf("Expected no error, got %v", err)
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									}
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									if rec.Msg.Rcode != dns.RcodeNameError { // Should be RcodeSuccess in a perfect world.
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										t.Errorf("Expected rcode %d, got %d", dns.RcodeNameError, rec.Msg.Rcode)
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									}
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								}
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