113 lines
2.2 KiB
Go
113 lines
2.2 KiB
Go
package k8s
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import (
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"context"
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"fmt"
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"testing"
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"github.com/stretchr/testify/require"
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v1 "k8s.io/api/core/v1"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"sigs.k8s.io/controller-runtime/pkg/client/fake"
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)
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func TestGetEndpoints(t *testing.T) {
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r := require.New(t)
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ctx := context.Background()
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const (
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ns = "testns"
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svcName = "testsvc"
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svcPort = "8081"
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)
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endpoints := &v1.Endpoints{
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ObjectMeta: metav1.ObjectMeta{
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Name: svcName,
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Namespace: ns,
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},
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Subsets: []v1.EndpointSubset{
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{
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Addresses: []v1.EndpointAddress{
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{
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IP: "1.2.3.4",
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Hostname: "testhost1",
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},
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},
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},
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{
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Addresses: []v1.EndpointAddress{
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{
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IP: "2.3.4.5",
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Hostname: "testhost2",
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},
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},
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},
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},
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}
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urls, err := EndpointsForService(
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ctx,
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ns,
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svcName,
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svcPort,
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func(context.Context, string, string) (*v1.Endpoints, error) {
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return endpoints, nil
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},
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)
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r.NoError(err)
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addrLookup := map[string]*v1.EndpointAddress{}
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for _, subset := range endpoints.Subsets {
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for _, addr := range subset.Addresses {
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key := fmt.Sprintf("http://%s:%s", addr.IP, svcPort)
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addrLookup[key] = &addr
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}
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}
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r.Equal(len(addrLookup), len(urls))
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for _, url := range urls {
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_, ok := addrLookup[url.String()]
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r.True(ok, "address %s was returned but not expected", url)
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}
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}
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func TestEndpointsFuncForControllerClient(t *testing.T) {
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ctx := context.Background()
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const (
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ns = "testns"
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svcName = "testsvc"
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svcPort = "8081"
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)
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r := require.New(t)
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endpoints := &v1.Endpoints{
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ObjectMeta: metav1.ObjectMeta{
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Name: svcName,
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Namespace: ns,
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},
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Subsets: []v1.EndpointSubset{
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{
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Addresses: []v1.EndpointAddress{
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{
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IP: "1.2.3.4",
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Hostname: "testhost1",
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},
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},
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},
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{
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Addresses: []v1.EndpointAddress{
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{
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IP: "2.3.4.5",
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Hostname: "testhost2",
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},
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},
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},
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},
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}
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cl := fake.NewClientBuilder().WithObjects(
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endpoints,
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).Build()
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fn := EndpointsFuncForControllerClient(cl)
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ret, err := fn(ctx, ns, svcName)
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r.NoError(err)
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r.Equal(len(endpoints.Subsets), len(ret.Subsets))
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// we don't need to introspect the return value, because we
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// do so in depth in the above TestGetEndpoints test
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}
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