94c59da577
Create a small speedup running the tests: PASS ok github.com/miekg/coredns/test 10.329s PASS ok github.com/miekg/coredns/test 6.079s Skip the etcd ones. Doing the middleware/*/*_test ones doesn't yield any speedup as these are still done on a per directory basis.
88 lines
2 KiB
Go
88 lines
2 KiB
Go
package test
|
|
|
|
import (
|
|
"io/ioutil"
|
|
"log"
|
|
"testing"
|
|
"time"
|
|
|
|
"github.com/miekg/coredns/middleware/proxy"
|
|
"github.com/miekg/coredns/middleware/test"
|
|
"github.com/miekg/coredns/request"
|
|
|
|
"github.com/miekg/dns"
|
|
)
|
|
|
|
func TestLookupCache(t *testing.T) {
|
|
t.Parallel()
|
|
// Start auth. CoreDNS holding the auth zone.
|
|
name, rm, err := test.TempFile(".", exampleOrg)
|
|
if err != nil {
|
|
t.Fatalf("failed to created zone: %s", err)
|
|
}
|
|
defer rm()
|
|
|
|
corefile := `example.org:0 {
|
|
file ` + name + `
|
|
}
|
|
`
|
|
i, err := CoreDNSServer(corefile)
|
|
if err != nil {
|
|
t.Fatalf("Could not get CoreDNS serving instance: %s", err)
|
|
}
|
|
|
|
udp, _ := CoreDNSServerPorts(i, 0)
|
|
if udp == "" {
|
|
t.Fatalf("Could not get UDP listening port")
|
|
}
|
|
defer i.Stop()
|
|
|
|
// Start caching proxy CoreDNS that we want to test.
|
|
corefile = `example.org:0 {
|
|
proxy . ` + udp + `
|
|
cache
|
|
}
|
|
`
|
|
i, err = CoreDNSServer(corefile)
|
|
if err != nil {
|
|
t.Fatalf("Could not get CoreDNS serving instance: %s", err)
|
|
}
|
|
|
|
udp, _ = CoreDNSServerPorts(i, 0)
|
|
if udp == "" {
|
|
t.Fatalf("Could not get UDP listening port")
|
|
}
|
|
defer i.Stop()
|
|
|
|
log.SetOutput(ioutil.Discard)
|
|
|
|
p := proxy.New([]string{udp})
|
|
state := request.Request{W: &test.ResponseWriter{}, Req: new(dns.Msg)}
|
|
|
|
resp, err := p.Lookup(state, "example.org.", dns.TypeA)
|
|
if err != nil {
|
|
t.Fatal("Expected to receive reply, but didn't")
|
|
}
|
|
// expect answer section with A record in it
|
|
if len(resp.Answer) == 0 {
|
|
t.Error("Expected to at least one RR in the answer section, got none")
|
|
}
|
|
|
|
ttl := resp.Answer[0].Header().Ttl
|
|
|
|
time.Sleep(2 * time.Second) // TODO(miek): meh.
|
|
|
|
resp, err = p.Lookup(state, "example.org.", dns.TypeA)
|
|
if err != nil {
|
|
t.Fatal("Expected to receive reply, but didn't")
|
|
}
|
|
|
|
// expect answer section with A record in it
|
|
if len(resp.Answer) == 0 {
|
|
t.Error("Expected to at least one RR in the answer section, got none")
|
|
}
|
|
newTTL := resp.Answer[0].Header().Ttl
|
|
if newTTL >= ttl {
|
|
t.Errorf("Expected TTL to be lower than: %d, got %d", ttl, newTTL)
|
|
}
|
|
}
|