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			49 lines
		
	
	
		
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			49 lines
		
	
	
		
			979 B
		
	
	
	
		
			Go
		
	
	
	
	
	
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								package test
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								import (
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									"io/ioutil"
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									"log"
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									"testing"
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									// Plug in CoreDNS, needed for AppVersion and AppName in this test.
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									_ "github.com/coredns/coredns/coremain"
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									"github.com/mholt/caddy"
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									"github.com/miekg/dns"
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								)
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								func TestChaos(t *testing.T) {
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									corefile := `.:0 {
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										chaos
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								}
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								`
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									i, err := CoreDNSServer(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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									// Stop the server.
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									defer i.Stop()
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									udp, _ := CoreDNSServerPorts(i, 0)
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									if udp == "" {
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										t.Fatalf("Could not get UDP listening port")
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									}
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									log.SetOutput(ioutil.Discard)
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									m := new(dns.Msg)
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									m.SetQuestion("version.bind.", dns.TypeTXT)
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									m.Question[0].Qclass = dns.ClassCHAOS
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									resp, err := dns.Exchange(m, udp)
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									if err != nil {
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										t.Fatalf("Expected to receive reply, but didn't: %v", err)
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									}
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									chTxt := resp.Answer[0].(*dns.TXT).Txt[0]
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									version := caddy.AppName + "-" + caddy.AppVersion
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									if chTxt != version {
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										t.Fatalf("Expected version to bo %s, got %s", version, chTxt)
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									}
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								}
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