karmada/pkg/util/common_test.go

110 lines
2.8 KiB
Go

package util
import (
"fmt"
"reflect"
"sort"
"testing"
)
type sigMultiCluster struct {
Name string
Status string
LatestVersion string
Comment string
}
func (smc sigMultiCluster) String() string {
return fmt.Sprintf("%s/%s/%s", smc.Name, smc.Status, smc.LatestVersion)
}
var (
kubefed = sigMultiCluster{
Name: "kubefed",
Status: "archived",
LatestVersion: "v0.9.2",
}
karmada = sigMultiCluster{
Name: "karmada",
Status: "active",
LatestVersion: "v1.6.0",
}
virtualKubelet = sigMultiCluster{
Name: "virtual-kubelet",
Status: "active",
LatestVersion: "v1.10.0",
Comment: "However, it should be noted that VK is explicitly not intended to be an alternative to Kubernetes federation.",
}
)
func TestDiffKey(t *testing.T) {
t.Run("all old remove, all new added", func(t *testing.T) {
previous := map[string]sigMultiCluster{
"kubefed": kubefed,
}
current := map[string]string{
"karmada": "v1.6.0",
}
added, removed := DiffKey(previous, current)
if len(added) != 1 || added[0] != "karmada" {
t.Errorf("added = %v, want []string{\"karmada\"}", added)
}
if len(removed) != 1 || removed[0] != "kubefed" {
t.Errorf("removed = %v, want []string{\"kubefed\"}", removed)
}
})
t.Run("no old, all new added", func(t *testing.T) {
previous := map[string]sigMultiCluster{}
current := map[string]string{
"karmada": "v1.6.0",
}
added, removed := DiffKey(previous, current)
if len(added) != 1 || added[0] != "karmada" {
t.Errorf("added = %v, want []string{\"karmada\"}", added)
}
if len(removed) != 0 {
t.Errorf("removed = %v, want nil", removed)
}
})
t.Run("removed, added and remained", func(t *testing.T) {
previous := map[string]sigMultiCluster{
"kubefed": kubefed,
"virtual-kubelet": virtualKubelet,
}
current := map[string]string{
"karmada": "v1.6.0",
"virtual-kubelet": virtualKubelet.Comment,
}
added, removed := DiffKey(previous, current)
if len(added) != 1 || added[0] != "karmada" {
t.Errorf("added = %v, want []string{\"karmada\"}", added)
}
if len(removed) != 1 || removed[0] != "kubefed" {
t.Errorf("removed = %v, want []string{\"kubefed\"}", removed)
}
})
}
func TestStringerJoin(t *testing.T) {
mcs := []sigMultiCluster{kubefed, karmada}
got := StringerJoin(mcs, "; ")
expect := "kubefed/archived/v0.9.2; karmada/active/v1.6.0"
if got != expect {
t.Errorf("got = %s, want %s", got, expect)
}
}
func TestKeys(t *testing.T) {
mcs := map[string]sigMultiCluster{
kubefed.Name: kubefed,
karmada.Name: karmada,
}
got := Keys(mcs)
expect := []string{kubefed.Name, karmada.Name}
sort.Strings(got)
sort.Strings(expect)
if !reflect.DeepEqual(got, expect) {
t.Errorf("got = %v, want %v", got, expect)
}
}