6966bce653
This fixes a crash when we resolve (or try to) an external CNAME when no proxy is set. Add test as well.
77 lines
1.7 KiB
Go
77 lines
1.7 KiB
Go
package test
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import (
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"io/ioutil"
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"log"
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"testing"
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"time"
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"github.com/coredns/coredns/middleware/proxy"
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"github.com/coredns/coredns/middleware/test"
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"github.com/coredns/coredns/request"
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"github.com/miekg/dns"
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)
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func TestZoneReload(t *testing.T) {
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t.Parallel()
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log.SetOutput(ioutil.Discard)
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name, rm, err := TempFile(".", exampleOrg)
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if err != nil {
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t.Fatalf("Failed to create zone: %s", err)
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}
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defer rm()
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// Corefile with two stanzas
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corefile := `example.org:0 {
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file ` + name + `
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}
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example.net:0 {
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file ` + name + `
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}
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`
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i, err := CoreDNSServer(corefile)
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if err != nil {
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t.Fatalf("Could not get CoreDNS serving instance: %s", err)
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}
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udp, _ := CoreDNSServerPorts(i, 0)
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if udp == "" {
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t.Fatalf("Could not get UDP listening port")
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}
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defer i.Stop()
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p := proxy.NewLookup([]string{udp})
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state := request.Request{W: &test.ResponseWriter{}, Req: new(dns.Msg)}
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resp, err := p.Lookup(state, "example.org.", dns.TypeA)
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if err != nil {
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t.Fatalf("Expected to receive reply, but didn't: %s", err)
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}
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if len(resp.Answer) != 2 {
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t.Fatalf("Expected two RR in answer section got %d", len(resp.Answer))
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}
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// Remove RR from the Apex
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ioutil.WriteFile(name, []byte(exampleOrgUpdated), 0644)
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time.Sleep(1 * time.Second) // fsnotify
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resp, err = p.Lookup(state, "example.org.", dns.TypeA)
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if err != nil {
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t.Fatal("Expected to receive reply, but didn't")
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}
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if len(resp.Answer) != 1 {
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t.Fatalf("Expected two RR in answer section got %d", len(resp.Answer))
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}
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}
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const exampleOrgUpdated = `; example.org test file
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example.org. IN SOA sns.dns.icann.org. noc.dns.icann.org. 2016082541 7200 3600 1209600 3600
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example.org. IN NS b.iana-servers.net.
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example.org. IN NS a.iana-servers.net.
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example.org. IN A 127.0.0.2
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`
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