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|
package kubernetes
import (
"strconv"
"strings"
"testing"
"github.com/coredns/coredns/plugin/kubernetes/object"
)
func endpointSubsets(addrs ...string) (eps []object.EndpointSubset) {
for _, ap := range addrs {
apa := strings.Split(ap, ":")
address := apa[0]
port, _ := strconv.Atoi(apa[1])
eps = append(eps, object.EndpointSubset{Addresses: []object.EndpointAddress{{IP: address}}, Ports: []object.EndpointPort{{Port: int32(port)}}})
}
return eps
}
func TestEndpointsSubsetDiffs(t *testing.T) {
var tests = []struct {
a, b, expected object.Endpoints
}{
{ // From a->b: Nothing changes
object.Endpoints{Subsets: endpointSubsets("10.0.0.1:80", "10.0.0.2:8080")},
object.Endpoints{Subsets: endpointSubsets("10.0.0.1:80", "10.0.0.2:8080")},
object.Endpoints{},
},
{ // From a->b: Everything goes away
object.Endpoints{Subsets: endpointSubsets("10.0.0.1:80", "10.0.0.2:8080")},
object.Endpoints{},
object.Endpoints{Subsets: endpointSubsets("10.0.0.1:80", "10.0.0.2:8080")},
},
{ // From a->b: Everything is new
object.Endpoints{},
object.Endpoints{Subsets: endpointSubsets("10.0.0.1:80", "10.0.0.2:8080")},
object.Endpoints{Subsets: endpointSubsets("10.0.0.1:80", "10.0.0.2:8080")},
},
{ // From a->b: One goes away, one is new
object.Endpoints{Subsets: endpointSubsets("10.0.0.2:8080")},
object.Endpoints{Subsets: endpointSubsets("10.0.0.1:80")},
object.Endpoints{Subsets: endpointSubsets("10.0.0.2:8080", "10.0.0.1:80")},
},
}
for i, te := range tests {
got := endpointsSubsetDiffs(&te.a, &te.b)
if !endpointsEquivalent(got, &te.expected) {
t.Errorf("Expected '%v' for test %v, got '%v'.", te.expected, i, got)
}
}
}
|
