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restore change detection (#2696)

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Chris O'Haver 2019-03-26 11:26:19 -04:00 • committed by Miek Gieben
parent 53f3f0b666
commit f6eb2a4c14
2 changed files with 183 additions and 3 deletions
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86
plugin/kubernetes/xfr_test.go
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@ -5,6 +5,7 @@ import (
"strings"
"testing"
"github.com/coredns/coredns/plugin/kubernetes/object"
"github.com/coredns/coredns/plugin/pkg/dnstest"
"github.com/coredns/coredns/plugin/test"
@ -141,3 +142,88 @@ func difference(testRRs []dns.RR, gotRRs []dns.RR) []dns.RR {
}
return foundRRs
}
func TestEndpointsEquivalent(t *testing.T) {
epA := object.Endpoints{
Subsets: []object.EndpointSubset{{
Addresses: []object.EndpointAddress{{IP: "1.2.3.4", Hostname: "foo"}},
}},
}
epB := object.Endpoints{
Subsets: []object.EndpointSubset{{
Addresses: []object.EndpointAddress{{IP: "1.2.3.4", Hostname: "foo"}},
}},
}
epC := object.Endpoints{
Subsets: []object.EndpointSubset{{
Addresses: []object.EndpointAddress{{IP: "1.2.3.5", Hostname: "foo"}},
}},
}
epD := object.Endpoints{
Subsets: []object.EndpointSubset{{
Addresses: []object.EndpointAddress{{IP: "1.2.3.5", Hostname: "foo"}},
},
{
Addresses: []object.EndpointAddress{{IP: "1.2.2.2", Hostname: "foofoo"}},
}},
}
epE := object.Endpoints{
Subsets: []object.EndpointSubset{{
Addresses: []object.EndpointAddress{{IP: "1.2.3.5", Hostname: "foo"}, {IP: "1.1.1.1"}},
}},
}
epF := object.Endpoints{
Subsets: []object.EndpointSubset{{
Addresses: []object.EndpointAddress{{IP: "1.2.3.4", Hostname: "foofoo"}},
}},
}
epG := object.Endpoints{
Subsets: []object.EndpointSubset{{
Addresses: []object.EndpointAddress{{IP: "1.2.3.4", Hostname: "foo"}},
Ports: []object.EndpointPort{{Name: "http", Port: 80, Protocol: "TCP"}},
}},
}
epH := object.Endpoints{
Subsets: []object.EndpointSubset{{
Addresses: []object.EndpointAddress{{IP: "1.2.3.4", Hostname: "foo"}},
Ports: []object.EndpointPort{{Name: "newportname", Port: 80, Protocol: "TCP"}},
}},
}
epI := object.Endpoints{
Subsets: []object.EndpointSubset{{
Addresses: []object.EndpointAddress{{IP: "1.2.3.4", Hostname: "foo"}},
Ports: []object.EndpointPort{{Name: "http", Port: 8080, Protocol: "TCP"}},
}},
}
epJ := object.Endpoints{
Subsets: []object.EndpointSubset{{
Addresses: []object.EndpointAddress{{IP: "1.2.3.4", Hostname: "foo"}},
Ports: []object.EndpointPort{{Name: "http", Port: 80, Protocol: "UDP"}},
}},
}
tests := []struct {
equiv bool
a *object.Endpoints
b *object.Endpoints
}{
{true, &epA, &epB},
{false, &epA, &epC},
{false, &epA, &epD},
{false, &epA, &epE},
{false, &epA, &epF},
{false, &epF, &epG},
{false, &epG, &epH},
{false, &epG, &epI},
{false, &epG, &epJ},
}
for i, tc := range tests {
if tc.equiv && !endpointsEquivalent(tc.a, tc.b) {
t.Errorf("Test %d: expected endpoints to be equivalent and they are not.", i)
}
if !tc.equiv && endpointsEquivalent(tc.a, tc.b) {
t.Errorf("Test %d: expected endpoints to be seen as different but they were not.", i)
}
}
}