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	* Modifies NODATA handling Signed-off-by: ykhr53 <ykhr53@yokohei.com> * fix some comments Signed-off-by: ykhr53 <ykhr53@yokohei.com> * fix test code to take care NODATA Signed-off-by: ykhr53 <ykhr53@yokohei.com> * add if statement to avoid nil pointer Signed-off-by: ykhr53 <ykhr53@yokohei.com> * Modifies NODATA handling Signed-off-by: ykhr53 <ykhr53@yokohei.com> * fix some comments Signed-off-by: ykhr53 <ykhr53@yokohei.com> * fix test code to take care NODATA Signed-off-by: ykhr53 <ykhr53@yokohei.com> * add if statement to avoid nil pointer Signed-off-by: ykhr53 <ykhr53@yokohei.com>
		
			
				
	
	
		
			121 lines
		
	
	
		
			2.5 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			121 lines
		
	
	
		
			2.5 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
package hosts
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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/pkg/fall"
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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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func TestLookupA(t *testing.T) {
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	for _, tc := range hostsTestCases {
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		m := tc.Msg()
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		var tcFall fall.F
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		isFall := tc.Qname == "fallthrough-example.org."
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		if isFall {
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			tcFall = fall.Root
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		} else {
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			tcFall = fall.Zero
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		}
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		h := Hosts{
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			Next: test.NextHandler(dns.RcodeNameError, nil),
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			Hostsfile: &Hostsfile{
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				Origins: []string{"."},
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				hmap:    newMap(),
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				inline:  newMap(),
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				options: newOptions(),
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			},
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			Fall: tcFall,
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		}
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		h.hmap = h.parse(strings.NewReader(hostsExample))
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		rec := dnstest.NewRecorder(&test.ResponseWriter{})
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		rcode, err := h.ServeDNS(context.Background(), rec, m)
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		if err != nil {
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			t.Errorf("Expected no error, got %v", err)
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			return
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		}
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		if isFall && tc.Rcode != rcode {
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			t.Errorf("Expected rcode is %d, but got %d", tc.Rcode, rcode)
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			return
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		}
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		if resp := rec.Msg; rec.Msg != nil {
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			if err := test.SortAndCheck(resp, tc); err != nil {
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				t.Error(err)
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			}
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		}
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	}
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}
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var hostsTestCases = []test.Case{
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	{
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		Qname: "example.org.", Qtype: dns.TypeA,
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		Answer: []dns.RR{
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			test.A("example.org. 3600	IN	A 10.0.0.1"),
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		},
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	},
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	{
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		Qname: "example.com.", Qtype: dns.TypeA,
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		Answer: []dns.RR{
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			test.A("example.com. 3600	IN	A 10.0.0.2"),
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		},
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	},
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	{
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		Qname: "localhost.", Qtype: dns.TypeAAAA,
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		Answer: []dns.RR{
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			test.AAAA("localhost. 3600	IN	AAAA ::1"),
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		},
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	},
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	{
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		Qname: "1.0.0.10.in-addr.arpa.", Qtype: dns.TypePTR,
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		Answer: []dns.RR{
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			test.PTR("1.0.0.10.in-addr.arpa. 3600 PTR example.org."),
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		},
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	},
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	{
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		Qname: "2.0.0.10.in-addr.arpa.", Qtype: dns.TypePTR,
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		Answer: []dns.RR{
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			test.PTR("2.0.0.10.in-addr.arpa. 3600 PTR example.com."),
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		},
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	},
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	{
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		Qname: "1.0.0.127.in-addr.arpa.", Qtype: dns.TypePTR,
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		Answer: []dns.RR{
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			test.PTR("1.0.0.127.in-addr.arpa. 3600 PTR localhost."),
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			test.PTR("1.0.0.127.in-addr.arpa. 3600 PTR localhost.domain."),
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		},
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	},
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	{
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		Qname: "example.org.", Qtype: dns.TypeAAAA,
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		Answer: []dns.RR{},
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	},
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	{
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		Qname: "example.org.", Qtype: dns.TypeMX,
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		Answer: []dns.RR{},
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	},
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	{
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		Qname: "fallthrough-example.org.", Qtype: dns.TypeAAAA,
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		Answer: []dns.RR{}, Rcode: dns.RcodeSuccess,
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	},
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}
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const hostsExample = `
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127.0.0.1 localhost localhost.domain
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::1 localhost localhost.domain
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10.0.0.1 example.org
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::FFFF:10.0.0.2 example.com
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10.0.0.3 fallthrough-example.org
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reload 5s
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timeout 3600
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`
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