126 lines
3.3 KiB
Go
126 lines
3.3 KiB
Go
/*
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Copyright 2023 The Karmada Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package util
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import (
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"fmt"
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"reflect"
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"sort"
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"testing"
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)
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type sigMultiCluster struct {
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Name string
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Status string
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LatestVersion string
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Comment string
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}
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func (smc sigMultiCluster) String() string {
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return fmt.Sprintf("%s/%s/%s", smc.Name, smc.Status, smc.LatestVersion)
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}
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var (
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kubefed = sigMultiCluster{
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Name: "kubefed",
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Status: "archived",
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LatestVersion: "v0.9.2",
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}
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karmada = sigMultiCluster{
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Name: "karmada",
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Status: "active",
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LatestVersion: "v1.6.0",
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}
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virtualKubelet = sigMultiCluster{
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Name: "virtual-kubelet",
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Status: "active",
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LatestVersion: "v1.10.0",
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Comment: "However, it should be noted that VK is explicitly not intended to be an alternative to Kubernetes federation.",
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}
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)
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func TestDiffKey(t *testing.T) {
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t.Run("all old remove, all new added", func(t *testing.T) {
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previous := map[string]sigMultiCluster{
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"kubefed": kubefed,
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}
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current := map[string]string{
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"karmada": "v1.6.0",
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}
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added, removed := DiffKey(previous, current)
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if len(added) != 1 || added[0] != "karmada" {
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t.Errorf("added = %v, want []string{\"karmada\"}", added)
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}
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if len(removed) != 1 || removed[0] != "kubefed" {
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t.Errorf("removed = %v, want []string{\"kubefed\"}", removed)
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}
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})
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t.Run("no old, all new added", func(t *testing.T) {
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previous := map[string]sigMultiCluster{}
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current := map[string]string{
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"karmada": "v1.6.0",
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}
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added, removed := DiffKey(previous, current)
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if len(added) != 1 || added[0] != "karmada" {
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t.Errorf("added = %v, want []string{\"karmada\"}", added)
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}
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if len(removed) != 0 {
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t.Errorf("removed = %v, want nil", removed)
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}
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})
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t.Run("removed, added and remained", func(t *testing.T) {
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previous := map[string]sigMultiCluster{
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"kubefed": kubefed,
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"virtual-kubelet": virtualKubelet,
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}
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current := map[string]string{
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"karmada": "v1.6.0",
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"virtual-kubelet": virtualKubelet.Comment,
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}
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added, removed := DiffKey(previous, current)
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if len(added) != 1 || added[0] != "karmada" {
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t.Errorf("added = %v, want []string{\"karmada\"}", added)
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}
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if len(removed) != 1 || removed[0] != "kubefed" {
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t.Errorf("removed = %v, want []string{\"kubefed\"}", removed)
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}
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})
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}
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func TestStringerJoin(t *testing.T) {
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mcs := []sigMultiCluster{kubefed, karmada}
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got := StringerJoin(mcs, "; ")
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expect := "kubefed/archived/v0.9.2; karmada/active/v1.6.0"
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if got != expect {
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t.Errorf("got = %s, want %s", got, expect)
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}
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}
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func TestKeys(t *testing.T) {
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mcs := map[string]sigMultiCluster{
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kubefed.Name: kubefed,
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karmada.Name: karmada,
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}
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got := Keys(mcs)
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expect := []string{kubefed.Name, karmada.Name}
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sort.Strings(got)
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sort.Strings(expect)
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if !reflect.DeepEqual(got, expect) {
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t.Errorf("got = %v, want %v", got, expect)
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}
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}
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