coredns/plugin/file/reload_test.go
Zou Nengren 5191959bd7
cleanup deprecated package io/ioutil (#4920)
Signed-off-by: zounengren <zouyee1989@gmail.com>
2021-10-13 09:30:31 +02:00

90 lines
2.4 KiB
Go

package file
import (
"context"
"os"
"strings"
"testing"
"time"
"github.com/coredns/coredns/plugin/test"
"github.com/coredns/coredns/plugin/transfer"
"github.com/coredns/coredns/request"
"github.com/miekg/dns"
)
func TestZoneReload(t *testing.T) {
fileName, rm, err := test.TempFile(".", reloadZoneTest)
if err != nil {
t.Fatalf("Failed to create zone: %s", err)
}
defer rm()
reader, err := os.Open(fileName)
if err != nil {
t.Fatalf("Failed to open zone: %s", err)
}
z, err := Parse(reader, "miek.nl", fileName, 0)
if err != nil {
t.Fatalf("Failed to parse zone: %s", err)
}
z.ReloadInterval = 10 * time.Millisecond
z.Reload(&transfer.Transfer{})
time.Sleep(20 * time.Millisecond)
ctx := context.TODO()
r := new(dns.Msg)
r.SetQuestion("miek.nl", dns.TypeSOA)
state := request.Request{W: &test.ResponseWriter{}, Req: r}
if _, _, _, res := z.Lookup(ctx, state, "miek.nl."); res != Success {
t.Fatalf("Failed to lookup, got %d", res)
}
r = new(dns.Msg)
r.SetQuestion("miek.nl", dns.TypeNS)
state = request.Request{W: &test.ResponseWriter{}, Req: r}
if _, _, _, res := z.Lookup(ctx, state, "miek.nl."); res != Success {
t.Fatalf("Failed to lookup, got %d", res)
}
rrs, err := z.ApexIfDefined() // all apex records.
if err != nil {
t.Fatal(err)
}
if len(rrs) != 5 {
t.Fatalf("Expected 5 RRs, got %d", len(rrs))
}
if err := os.WriteFile(fileName, []byte(reloadZone2Test), 0644); err != nil {
t.Fatalf("Failed to write new zone data: %s", err)
}
// Could still be racy, but we need to wait a bit for the event to be seen
time.Sleep(30 * time.Millisecond)
rrs, err = z.ApexIfDefined()
if err != nil {
t.Fatal(err)
}
if len(rrs) != 3 {
t.Fatalf("Expected 3 RRs, got %d", len(rrs))
}
}
func TestZoneReloadSOAChange(t *testing.T) {
_, err := Parse(strings.NewReader(reloadZoneTest), "miek.nl.", "stdin", 1460175181)
if err == nil {
t.Fatalf("Zone should not have been re-parsed")
}
}
const reloadZoneTest = `miek.nl. 1627 IN SOA linode.atoom.net. miek.miek.nl. 1460175181 14400 3600 604800 14400
miek.nl. 1627 IN NS ext.ns.whyscream.net.
miek.nl. 1627 IN NS omval.tednet.nl.
miek.nl. 1627 IN NS linode.atoom.net.
miek.nl. 1627 IN NS ns-ext.nlnetlabs.nl.
`
const reloadZone2Test = `miek.nl. 1627 IN SOA linode.atoom.net. miek.miek.nl. 1460175182 14400 3600 604800 14400
miek.nl. 1627 IN NS ext.ns.whyscream.net.
miek.nl. 1627 IN NS omval.tednet.nl.
`