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https://github.com/coredns/coredns.git
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284061eee7
Add a full test server impl in this new package + tests. Move dnsrecorder into this package as well and finish up the commented out tests that were left in the old dnsrecorder package. Update all callers and tests.
55 lines
1.4 KiB
Go
55 lines
1.4 KiB
Go
package cache
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import (
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"fmt"
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"testing"
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"time"
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"github.com/coredns/coredns/plugin"
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"github.com/coredns/coredns/plugin/pkg/cache"
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"github.com/coredns/coredns/plugin/pkg/dnstest"
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"github.com/coredns/coredns/plugin/test"
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"github.com/miekg/dns"
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"golang.org/x/net/context"
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)
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var p = false
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func TestPrefetch(t *testing.T) {
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c := &Cache{Zones: []string{"."}, pcap: defaultCap, ncap: defaultCap, pttl: maxTTL, nttl: maxTTL}
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c.pcache = cache.New(c.pcap)
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c.ncache = cache.New(c.ncap)
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c.prefetch = 1
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c.duration = 1 * time.Second
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c.Next = PrefetchHandler(t, dns.RcodeSuccess, nil)
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ctx := context.TODO()
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req := new(dns.Msg)
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req.SetQuestion("lowttl.example.org.", dns.TypeA)
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rec := dnstest.NewRecorder(&test.ResponseWriter{})
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c.ServeDNS(ctx, rec, req)
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p = true // prefetch should be true for the 2nd fetch
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c.ServeDNS(ctx, rec, req)
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}
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func PrefetchHandler(t *testing.T, rcode int, err error) plugin.Handler {
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return plugin.HandlerFunc(func(ctx context.Context, w dns.ResponseWriter, r *dns.Msg) (int, error) {
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m := new(dns.Msg)
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m.SetQuestion("lowttl.example.org.", dns.TypeA)
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m.Response = true
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m.RecursionAvailable = true
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m.Answer = append(m.Answer, test.A("lowttl.example.org. 80 IN A 127.0.0.53"))
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if p != w.(*ResponseWriter).prefetch {
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err = fmt.Errorf("cache prefetch not equal to p: got %t, want %t", p, w.(*ResponseWriter).prefetch)
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t.Fatal(err)
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}
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w.WriteMsg(m)
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return rcode, err
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})
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}
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