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			60 lines
		
	
	
		
			2.1 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
		
		
			
		
	
	
			60 lines
		
	
	
		
			2.1 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
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								package rewrite
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								import (
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									"testing"
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									"github.com/coredns/coredns/plugin"
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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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									"golang.org/x/net/context"
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								)
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								func TestResponseReverter(t *testing.T) {
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									rules := []Rule{}
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									r, _ := newNameRule("stop", "regex", `(core)\.(dns)\.(rocks)`, "{2}.{1}.{3}", "answer", "name", `(dns)\.(core)\.(rocks)`, "{2}.{1}.{3}")
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									rules = append(rules, r)
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									tests := []struct {
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										from     string
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										fromType uint16
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										answer   []dns.RR
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										to       string
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										toType   uint16
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										noRevert bool
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									}{
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										{"core.dns.rocks", dns.TypeA, []dns.RR{test.A("dns.core.rocks.  5   IN  A  10.0.0.1")}, "core.dns.rocks", dns.TypeA, false},
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										{"core.dns.rocks", dns.TypeSRV, []dns.RR{test.SRV("dns.core.rocks.  5  IN  SRV 0 100 100 srv1.dns.core.rocks.")}, "core.dns.rocks", dns.TypeSRV, false},
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										{"core.dns.rocks", dns.TypeA, []dns.RR{test.A("core.dns.rocks.  5   IN  A  10.0.0.1")}, "dns.core.rocks.", dns.TypeA, true},
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										{"core.dns.rocks", dns.TypeSRV, []dns.RR{test.SRV("core.dns.rocks.  5  IN  SRV 0 100 100 srv1.dns.core.rocks.")}, "dns.core.rocks.", dns.TypeSRV, true},
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										{"core.dns.rocks", dns.TypeHINFO, []dns.RR{test.HINFO("core.dns.rocks.  5  HINFO INTEL-64 \"RHEL 7.4\"")}, "core.dns.rocks", dns.TypeHINFO, false},
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										{"core.dns.rocks", dns.TypeA, []dns.RR{
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											test.A("dns.core.rocks.  5   IN  A  10.0.0.1"),
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											test.A("dns.core.rocks.  5   IN  A  10.0.0.2"),
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										}, "core.dns.rocks", dns.TypeA, false},
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									}
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									ctx := context.TODO()
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									for i, tc := range tests {
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										m := new(dns.Msg)
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										m.SetQuestion(tc.from, tc.fromType)
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										m.Question[0].Qclass = dns.ClassINET
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										m.Answer = tc.answer
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										rw := Rewrite{
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											Next:     plugin.HandlerFunc(msgPrinter),
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											Rules:    rules,
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											noRevert: tc.noRevert,
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										}
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										rec := dnstest.NewRecorder(&test.ResponseWriter{})
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										rw.ServeDNS(ctx, rec, m)
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										resp := rec.Msg
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										if resp.Question[0].Name != tc.to {
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											t.Errorf("Test %d: Expected Name to be %q but was %q", i, tc.to, resp.Question[0].Name)
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										}
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										if resp.Question[0].Qtype != tc.toType {
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											t.Errorf("Test %d: Expected Type to be '%d' but was '%d'", i, tc.toType, resp.Question[0].Qtype)
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										}
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									}
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								}
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