mirror of
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.
125 lines
3.3 KiB
Go
125 lines
3.3 KiB
Go
package file
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import (
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"strings"
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"testing"
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"github.com/coredns/coredns/plugin/pkg/dnstest"
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"github.com/coredns/coredns/plugin/proxy"
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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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func TestLookupCNAMEChain(t *testing.T) {
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name := "example.org."
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zone, err := Parse(strings.NewReader(dbExampleCNAME), name, "stdin", 0)
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if err != nil {
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t.Fatalf("Expected no error when reading zone, got %q", err)
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}
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fm := File{Next: test.ErrorHandler(), Zones: Zones{Z: map[string]*Zone{name: zone}, Names: []string{name}}}
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ctx := context.TODO()
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for _, tc := range cnameTestCases {
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m := tc.Msg()
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rec := dnstest.NewRecorder(&test.ResponseWriter{})
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_, err := fm.ServeDNS(ctx, rec, m)
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if err != nil {
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t.Errorf("Expected no error, got %v\n", err)
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return
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}
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resp := rec.Msg
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test.SortAndCheck(t, resp, tc)
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}
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}
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var cnameTestCases = []test.Case{
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{
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Qname: "a.example.org.", Qtype: dns.TypeA,
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Answer: []dns.RR{
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test.A("a.example.org. 1800 IN A 127.0.0.1"),
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},
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},
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{
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Qname: "www3.example.org.", Qtype: dns.TypeCNAME,
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Answer: []dns.RR{
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test.CNAME("www3.example.org. 1800 IN CNAME www2.example.org."),
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},
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},
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{
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Qname: "dangling.example.org.", Qtype: dns.TypeA,
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Answer: []dns.RR{
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test.CNAME("dangling.example.org. 1800 IN CNAME foo.example.org."),
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},
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},
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{
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Qname: "www3.example.org.", Qtype: dns.TypeA,
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Answer: []dns.RR{
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test.A("a.example.org. 1800 IN A 127.0.0.1"),
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test.CNAME("www.example.org. 1800 IN CNAME a.example.org."),
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test.CNAME("www1.example.org. 1800 IN CNAME www.example.org."),
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test.CNAME("www2.example.org. 1800 IN CNAME www1.example.org."),
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test.CNAME("www3.example.org. 1800 IN CNAME www2.example.org."),
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},
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},
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}
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func TestLookupCNAMEExternal(t *testing.T) {
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name := "example.org."
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zone, err := Parse(strings.NewReader(dbExampleCNAME), name, "stdin", 0)
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if err != nil {
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t.Fatalf("Expected no error when reading zone, got %q", err)
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}
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zone.Proxy = proxy.NewLookup([]string{"8.8.8.8:53"}) // TODO(miek): point to local instance
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fm := File{Next: test.ErrorHandler(), Zones: Zones{Z: map[string]*Zone{name: zone}, Names: []string{name}}}
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ctx := context.TODO()
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for _, tc := range exernalTestCases {
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m := tc.Msg()
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rec := dnstest.NewRecorder(&test.ResponseWriter{})
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_, err := fm.ServeDNS(ctx, rec, m)
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if err != nil {
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t.Errorf("Expected no error, got %v\n", err)
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return
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}
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resp := rec.Msg
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test.SortAndCheck(t, resp, tc)
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}
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}
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var exernalTestCases = []test.Case{
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{
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Qname: "external.example.org.", Qtype: dns.TypeA,
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Answer: []dns.RR{
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test.CNAME("external.example.org. 1800 CNAME www.example.net."),
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// magic 303 TTL that says: don't check TTL.
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test.A("www.example.net. 303 IN A 93.184.216.34"),
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},
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},
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}
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const dbExampleCNAME = `
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$TTL 30M
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$ORIGIN example.org.
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@ IN SOA linode.atoom.net. miek.miek.nl. (
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1282630057 ; Serial
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4H ; Refresh
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1H ; Retry
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7D ; Expire
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4H ) ; Negative Cache TTL
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a IN A 127.0.0.1
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www3 IN CNAME www2
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www2 IN CNAME www1
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www1 IN CNAME www
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www IN CNAME a
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dangling IN CNAME foo
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external IN CNAME www.example.net.`
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