Files
coredns/plugin/traffic/traffic_test.go
Miek Gieben d5c5ba010c Add traffic plugin
This allows for advanced loadbalancing and maybe geoIP loadbalancing.

Signed-off-by: Miek Gieben <miek@miek.nl>
2020-01-09 17:07:22 +01:00

124 lines
4.3 KiB
Go

package traffic
/*
func TestTraffic(t *testing.T) {
rm := Traffic{Next: handler()}
// the first X records must be cnames after this test
tests := []struct {
answer []dns.RR
extra []dns.RR
cnameAnswer int
cnameExtra int
addressAnswer int
addressExtra int
mxAnswer int
mxExtra int
}{
{
answer: []dns.RR{
test.CNAME("cname1.region2.skydns.test. 300 IN CNAME cname2.region2.skydns.test."),
test.CNAME("cname2.region2.skydns.test. 300 IN CNAME cname3.region2.skydns.test."),
test.CNAME("cname5.region2.skydns.test. 300 IN CNAME cname6.region2.skydns.test."),
test.CNAME("cname6.region2.skydns.test. 300 IN CNAME endpoint.region2.skydns.test."),
test.A("endpoint.region2.skydns.test. 300 IN A 10.240.0.1"),
test.MX("mx.region2.skydns.test. 300 IN MX 1 mx1.region2.skydns.test."),
test.MX("mx.region2.skydns.test. 300 IN MX 2 mx2.region2.skydns.test."),
test.MX("mx.region2.skydns.test. 300 IN MX 3 mx3.region2.skydns.test."),
},
cnameAnswer: 4,
addressAnswer: 1,
mxAnswer: 3,
},
{
answer: []dns.RR{
test.A("endpoint.region2.skydns.test. 300 IN A 10.240.0.1"),
test.MX("mx.region2.skydns.test. 300 IN MX 1 mx1.region2.skydns.test."),
test.CNAME("cname.region2.skydns.test. 300 IN CNAME endpoint.region2.skydns.test."),
},
cnameAnswer: 1,
addressAnswer: 1,
mxAnswer: 1,
},
{
answer: []dns.RR{
test.MX("mx.region2.skydns.test. 300 IN MX 1 mx1.region2.skydns.test."),
test.A("endpoint.region2.skydns.test. 300 IN A 10.240.0.1"),
test.A("endpoint.region2.skydns.test. 300 IN A 10.240.0.2"),
test.MX("mx.region2.skydns.test. 300 IN MX 1 mx2.region2.skydns.test."),
test.CNAME("cname2.region2.skydns.test. 300 IN CNAME cname3.region2.skydns.test."),
test.A("endpoint.region2.skydns.test. 300 IN A 10.240.0.3"),
test.MX("mx.region2.skydns.test. 300 IN MX 1 mx3.region2.skydns.test."),
},
extra: []dns.RR{
test.A("endpoint.region2.skydns.test. 300 IN A 10.240.0.1"),
test.AAAA("endpoint.region2.skydns.test. 300 IN AAAA ::1"),
test.MX("mx.region2.skydns.test. 300 IN MX 1 mx1.region2.skydns.test."),
test.CNAME("cname2.region2.skydns.test. 300 IN CNAME cname3.region2.skydns.test."),
test.MX("mx.region2.skydns.test. 300 IN MX 1 mx2.region2.skydns.test."),
test.A("endpoint.region2.skydns.test. 300 IN A 10.240.0.3"),
test.AAAA("endpoint.region2.skydns.test. 300 IN AAAA ::2"),
test.MX("mx.region2.skydns.test. 300 IN MX 1 mx3.region2.skydns.test."),
},
cnameAnswer: 1,
cnameExtra: 1,
addressAnswer: 3,
addressExtra: 4,
mxAnswer: 3,
mxExtra: 3,
},
}
rec := dnstest.NewRecorder(&test.ResponseWriter{})
for i, test := range tests {
req := new(dns.Msg)
req.SetQuestion("region2.skydns.test.", dns.TypeSRV)
req.Answer = test.answer
req.Extra = test.extra
_, err := rm.ServeDNS(context.TODO(), rec, req)
if err != nil {
t.Errorf("Test %d: Expected no error, but got %s", i, err)
continue
}
cname, address, mx, sorted := countRecords(rec.Msg.Answer)
if !sorted {
t.Errorf("Test %d: Expected CNAMEs, then AAAAs, then MX in Answer, but got mixed", i)
}
if cname != test.cnameAnswer {
t.Errorf("Test %d: Expected %d CNAMEs in Answer, but got %d", i, test.cnameAnswer, cname)
}
if address != test.addressAnswer {
t.Errorf("Test %d: Expected %d A/AAAAs in Answer, but got %d", i, test.addressAnswer, address)
}
if mx != test.mxAnswer {
t.Errorf("Test %d: Expected %d MXs in Answer, but got %d", i, test.mxAnswer, mx)
}
cname, address, mx, sorted = countRecords(rec.Msg.Extra)
if !sorted {
t.Errorf("Test %d: Expected CNAMEs, then AAAAs, then MX in Extra, but got mixed", i)
}
if cname != test.cnameExtra {
t.Errorf("Test %d: Expected %d CNAMEs in Extra, but got %d", i, test.cnameAnswer, cname)
}
if address != test.addressExtra {
t.Errorf("Test %d: Expected %d A/AAAAs in Extra, but got %d", i, test.addressAnswer, address)
}
if mx != test.mxExtra {
t.Errorf("Test %d: Expected %d MXs in Extra, but got %d", i, test.mxAnswer, mx)
}
}
}
func handler() plugin.Handler {
return plugin.HandlerFunc(func(ctx context.Context, w dns.ResponseWriter, r *dns.Msg) (int, error) {
w.WriteMsg(r)
return dns.RcodeSuccess, nil
})
}
*/