Files
coredns/test/proxy_health_test.go
Miek Gieben 0c3ad499d8 middleware/proxy: add read/writeDeadline (#477)
Add deadline to break the connection. We use the default of 5 seconds.
After this the backend is marked unhealthy and not used for some time.

Fixes #467
2017-01-11 21:23:57 +00:00

44 lines
894 B
Go

package test
import (
"io/ioutil"
"log"
"testing"
"github.com/miekg/coredns/middleware/proxy"
"github.com/miekg/coredns/middleware/test"
"github.com/miekg/coredns/request"
"github.com/miekg/dns"
)
func TestProxyErratic(t *testing.T) {
log.SetOutput(ioutil.Discard)
corefile := `example.org:0 {
erratic {
drop 2
}
}
`
backend, err := CoreDNSServer(corefile)
if err != nil {
t.Fatalf("Could not get CoreDNS serving instance: %s", err)
}
udp, _ := CoreDNSServerPorts(backend, 0)
if udp == "" {
t.Fatalf("Could not get UDP listening port")
}
defer backend.Stop()
p := proxy.New([]string{udp})
state := request.Request{W: &test.ResponseWriter{}, Req: new(dns.Msg)}
// We do one lookup that should not time out.
// After this the backend is marked unhealthy anyway. So basically this
// tests that it times out.
p.Lookup(state, "example.org.", dns.TypeA)
}