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package test
import (
"testing"
"github.com/miekg/dns"
)
// Start 2 tests server, server A will proxy to B, server B is an CH server.
func TestProxyToChaosServer(t *testing.T) {
corefile := `.:0 {
chaos CoreDNS-001 miek@miek.nl
}
`
chaos, tcpCH, udpCH, err := Server(t, corefile)
if err != nil {
t.Fatalf("Could get server: %s", err)
}
defer chaos.Stop()
corefileProxy := `.:0 {
proxy . ` + udpCH + `
}
`
proxy, _, udp, err := Server(t, corefileProxy)
if err != nil {
t.Fatalf("Could get server: %s", err)
}
defer proxy.Stop()
chaosTest(t, udpCH, "udp")
chaosTest(t, tcpCH, "tcp")
chaosTest(t, udp, "udp")
// chaosTest(t, tcp, "tcp"), commented out because we use the original transport to reach the
// proxy and we only forward to the udp port.
}
func chaosTest(t *testing.T, server, net string) {
m := Msg("version.bind.", dns.TypeTXT, nil)
m.Question[0].Qclass = dns.ClassCHAOS
r, err := Exchange(m, server, net)
if err != nil {
t.Fatalf("Could not send message: %s", err)
}
if r.Rcode != dns.RcodeSuccess || len(r.Answer) == 0 {
t.Fatalf("Expected successful reply on %s, got %s", net, dns.RcodeToString[r.Rcode])
}
if r.Answer[0].String() != `version.bind. 0 CH TXT "CoreDNS-001"` {
t.Fatalf("Expected version.bind. reply, got %s", r.Answer[0].String())
}
}
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