70 lines
2.4 KiB
Go
70 lines
2.4 KiB
Go
package rewrite
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import (
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"context"
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"testing"
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"github.com/coredns/coredns/plugin"
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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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)
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var tests = []struct {
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from string
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fromType uint16
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answer []dns.RR
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to string
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toType uint16
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noRevert bool
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}{
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{"core.dns.rocks", dns.TypeA, []dns.RR{test.A("dns.core.rocks. 5 IN A 10.0.0.1")}, "core.dns.rocks", dns.TypeA, false},
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{"core.dns.rocks", dns.TypeSRV, []dns.RR{test.SRV("dns.core.rocks. 5 IN SRV 0 100 100 srv1.dns.core.rocks.")}, "core.dns.rocks", dns.TypeSRV, false},
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{"core.dns.rocks", dns.TypeA, []dns.RR{test.A("core.dns.rocks. 5 IN A 10.0.0.1")}, "dns.core.rocks.", dns.TypeA, true},
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{"core.dns.rocks", dns.TypeSRV, []dns.RR{test.SRV("core.dns.rocks. 5 IN SRV 0 100 100 srv1.dns.core.rocks.")}, "dns.core.rocks.", dns.TypeSRV, true},
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{"core.dns.rocks", dns.TypeHINFO, []dns.RR{test.HINFO("core.dns.rocks. 5 HINFO INTEL-64 \"RHEL 7.4\"")}, "core.dns.rocks", dns.TypeHINFO, false},
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{"core.dns.rocks", dns.TypeA, []dns.RR{
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test.A("dns.core.rocks. 5 IN A 10.0.0.1"),
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test.A("dns.core.rocks. 5 IN A 10.0.0.2"),
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}, "core.dns.rocks", dns.TypeA, false},
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}
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func TestResponseReverter(t *testing.T) {
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rules := []Rule{}
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r, _ := newNameRule("stop", "regex", `(core)\.(dns)\.(rocks)`, "{2}.{1}.{3}", "answer", "name", `(dns)\.(core)\.(rocks)`, "{2}.{1}.{3}")
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rules = append(rules, r)
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doReverterTests(rules, t)
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rules = []Rule{}
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r, _ = newNameRule("continue", "regex", `(core)\.(dns)\.(rocks)`, "{2}.{1}.{3}", "answer", "name", `(dns)\.(core)\.(rocks)`, "{2}.{1}.{3}")
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rules = append(rules, r)
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doReverterTests(rules, t)
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}
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func doReverterTests(rules []Rule, t *testing.T) {
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ctx := context.TODO()
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for i, tc := range tests {
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m := new(dns.Msg)
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m.SetQuestion(tc.from, tc.fromType)
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m.Question[0].Qclass = dns.ClassINET
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m.Answer = tc.answer
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rw := Rewrite{
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Next: plugin.HandlerFunc(msgPrinter),
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Rules: rules,
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noRevert: tc.noRevert,
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}
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rec := dnstest.NewRecorder(&test.ResponseWriter{})
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rw.ServeDNS(ctx, rec, m)
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resp := rec.Msg
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if resp.Question[0].Name != tc.to {
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t.Errorf("Test %d: Expected Name to be %q but was %q", i, tc.to, resp.Question[0].Name)
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}
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if resp.Question[0].Qtype != tc.toType {
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t.Errorf("Test %d: Expected Type to be '%d' but was '%d'", i, tc.toType, resp.Question[0].Qtype)
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}
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}
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}
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