db3d689a8a
Split up the previous changes a bit. This PR only returns the expected error when the received packet has the wrong EDNS version. EDNS0 handling in the middleware needs a nicer abstraction, like ReflectEdns() or something.
37 lines
633 B
Go
37 lines
633 B
Go
package middleware
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import (
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"testing"
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"github.com/miekg/dns"
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)
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func TestEdns0Version(t *testing.T) {
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m := ednsMsg()
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m.Extra[0].(*dns.OPT).SetVersion(2)
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_, err := Edns0Version(m)
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if err == nil {
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t.Errorf("expected wrong version, but got OK")
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}
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}
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func TestEdns0VersionNoEdns(t *testing.T) {
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m := ednsMsg()
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m.Extra = nil
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_, err := Edns0Version(m)
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if err != nil {
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t.Errorf("expected no error, but got one: %s", err)
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}
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}
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func ednsMsg() *dns.Msg {
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m := new(dns.Msg)
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m.SetQuestion("example.com.", dns.TypeA)
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o := new(dns.OPT)
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o.Hdr.Name = "."
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o.Hdr.Rrtype = dns.TypeOPT
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m.Extra = append(m.Extra, o)
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return m
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}
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