293 lines
9.2 KiB
Go
293 lines
9.2 KiB
Go
/*
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Copyright 2024 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 tasks
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import (
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"fmt"
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"net/http"
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"strings"
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"testing"
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"time"
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"k8s.io/apimachinery/pkg/runtime"
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fakeclientset "k8s.io/client-go/kubernetes/fake"
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"k8s.io/client-go/rest"
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fakerest "k8s.io/client-go/rest/fake"
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"github.com/karmada-io/karmada/operator/pkg/util"
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"github.com/karmada-io/karmada/operator/pkg/util/apiclient"
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"github.com/karmada-io/karmada/operator/pkg/workflow"
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)
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func TestNewCheckApiserverHealthTask(t *testing.T) {
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tests := []struct {
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name string
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wantTask *workflow.Task
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}{
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{
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name: "NewCheckApiserverHealthTask",
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wantTask: &workflow.Task{
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Name: "check-apiserver-health",
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Run: runWaitApiserver,
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},
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},
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}
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for _, test := range tests {
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t.Run(test.name, func(t *testing.T) {
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checkAPIServerHealthTask := NewCheckApiserverHealthTask()
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if err := util.DeepEqualTasks(checkAPIServerHealthTask, *test.wantTask); err != nil {
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t.Errorf("unexpected error, got: %v", err)
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}
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})
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}
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}
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func TestRunWaitAPIServer(t *testing.T) {
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tests := []struct {
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name string
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runData workflow.RunData
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prep func(workflow.RunData) error
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wantErr bool
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errMsg string
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}{
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{
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name: "RunWaitAPIServer_InvalidTypeAssertion_TypeAssertionFailed",
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runData: &MyTestData{Data: "test"},
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prep: func(workflow.RunData) error { return nil },
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wantErr: true,
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errMsg: "check-apiserver-health task invoked with an invalid data struct",
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},
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{
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name: "RunWaitAPIServer_WaitingForAPIServerHealthyStatus_Timeout",
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runData: &TestInitData{
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Name: "karmada-demo",
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Namespace: "test",
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RemoteClientConnector: &apiclient.MockK8SRESTClient{
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RESTClientConnector: &fakerest.RESTClient{
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NegotiatedSerializer: runtime.NewSimpleNegotiatedSerializer(runtime.SerializerInfo{}),
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Client: fakerest.CreateHTTPClient(func(req *http.Request) (*http.Response, error) {
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return nil, fmt.Errorf("unexpected error, endpoint %s does not exist", req.URL.Path)
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}),
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},
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},
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ControlplaneConfigREST: &rest.Config{},
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},
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prep: func(workflow.RunData) error {
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componentBeReadyTimeout, failureThreshold = time.Second, 1
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return nil
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},
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wantErr: true,
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errMsg: "the karmada apiserver is unhealthy",
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},
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{
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name: "RunWaitAPIServer_WaitingForAPIServerHealthyStatus_APIServerIsHealthy",
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runData: &TestInitData{
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Name: "karmada-demo",
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Namespace: "test",
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RemoteClientConnector: &apiclient.MockK8SRESTClient{
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RESTClientConnector: &fakerest.RESTClient{
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NegotiatedSerializer: runtime.NewSimpleNegotiatedSerializer(runtime.SerializerInfo{}),
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Client: fakerest.CreateHTTPClient(func(req *http.Request) (*http.Response, error) {
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if req.URL.Path == "/healthz" {
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// Return a fake 200 OK response.
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return &http.Response{
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StatusCode: http.StatusOK,
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Body: http.NoBody,
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}, nil
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}
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return nil, fmt.Errorf("unexpected error, endpoint %s does not exist", req.URL.Path)
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}),
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},
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},
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ControlplaneConfigREST: &rest.Config{},
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},
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prep: func(workflow.RunData) error { return nil },
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wantErr: false,
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},
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}
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for _, test := range tests {
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t.Run(test.name, func(t *testing.T) {
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if err := test.prep(test.runData); err != nil {
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t.Errorf("failed to prep waiting for APIServer: %v", err)
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}
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err := runWaitApiserver(test.runData)
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if err == nil && test.wantErr {
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t.Errorf("expected error, but got none")
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}
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if err != nil && !test.wantErr {
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t.Errorf("unexpected error: %v", err)
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}
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if err != nil && test.wantErr && !strings.Contains(err.Error(), test.errMsg) {
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t.Errorf("expected %s error msg to contain %s", err.Error(), test.errMsg)
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}
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})
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}
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}
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func TestNewWaitControlPlaneTask(t *testing.T) {
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tests := []struct {
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name string
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wantTask *workflow.Task
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}{
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{
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name: "NewCheckApiserverHealthTask",
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wantTask: &workflow.Task{
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Name: "wait-controlPlane",
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Run: runWaitControlPlane,
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RunSubTasks: true,
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Tasks: []workflow.Task{
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newWaitControlPlaneSubTask("KubeControllerManager", kubeControllerManagerLabels),
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newWaitControlPlaneSubTask("KarmadaControllerManager", karmadaControllerManagerLabels),
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newWaitControlPlaneSubTask("KarmadaScheduler", karmadaSchedulerLabels),
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newWaitControlPlaneSubTask("KarmadaWebhook", karmadaWebhookLabels),
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},
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},
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},
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}
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for _, test := range tests {
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t.Run(test.name, func(t *testing.T) {
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waitControlPlaneTask := NewWaitControlPlaneTask()
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if err := util.DeepEqualTasks(waitControlPlaneTask, *test.wantTask); err != nil {
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t.Errorf("unexpected error, got: %v", err)
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}
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})
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}
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}
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func TestRunWaitControlPlane(t *testing.T) {
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tests := []struct {
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name string
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runData workflow.RunData
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prep func(workflow.RunData) error
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wantErr bool
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errMsg string
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}{
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{
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name: "RunWaitControlPlane_InvalidTypeAssertion_TypeAssertionFailed",
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runData: &MyTestData{Data: "test"},
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prep: func(workflow.RunData) error { return nil },
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wantErr: true,
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errMsg: "wait-controlPlane task invoked with an invalid data struct",
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},
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{
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name: "RunWaitControlPlane_ValidTypeAssertion_TypeAssertionSucceeded",
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runData: &TestInitData{
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Name: "test-karmada",
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Namespace: "test",
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},
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prep: func(workflow.RunData) error { return nil },
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wantErr: false,
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},
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}
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for _, test := range tests {
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t.Run(test.name, func(t *testing.T) {
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if err := test.prep(test.runData); err != nil {
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t.Errorf("failed to prep waiting control plane: %v", err)
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}
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err := runWaitControlPlane(test.runData)
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if err == nil && test.wantErr {
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t.Errorf("expected error, but got none")
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}
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if err != nil && !test.wantErr {
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t.Errorf("unexpected error: %v", err)
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}
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if err != nil && test.wantErr && !strings.Contains(err.Error(), test.errMsg) {
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t.Errorf("expected %s error msg to contain %s", err.Error(), test.errMsg)
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}
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})
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}
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}
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func TestRunWaitControlPlaneSubTask(t *testing.T) {
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tests := []struct {
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name string
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runData workflow.RunData
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prep func(workflow.RunData) error
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wantErr bool
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errMsg string
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}{
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{
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name: "RunWaitControlPlaneSubTask_InvalidTypeAssertion_TypeAssertionFailed",
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runData: &MyTestData{Data: "test"},
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prep: func(workflow.RunData) error { return nil },
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wantErr: true,
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errMsg: "wait-controlPlane task invoked with an invalid data struct",
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},
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{
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name: "RunWaitControlPlaneSubTask_WaitingForSomeKarmadaControllerManagerPods_Timeout",
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runData: &TestInitData{
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Name: "karmada-demo",
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Namespace: "test",
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RemoteClientConnector: fakeclientset.NewSimpleClientset(),
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ControlplaneConfigREST: &rest.Config{},
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},
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prep: func(workflow.RunData) error {
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componentBeReadyTimeout = time.Second
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return nil
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},
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wantErr: true,
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errMsg: "waiting for karmada-demo-controller-manager to ready timeout",
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},
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{
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name: "RunWaitControlPlaneSubTask_WaitingForSomeKarmadaControllerManagerPods_KarmadaControllerManagerIsReady",
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runData: &TestInitData{
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Name: "karmada-demo",
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Namespace: "test",
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RemoteClientConnector: fakeclientset.NewSimpleClientset(),
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ControlplaneConfigREST: &rest.Config{},
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},
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prep: func(rd workflow.RunData) error {
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data := rd.(*TestInitData)
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if _, err := apiclient.CreatePods(data.RemoteClient(), data.GetNamespace(), util.KarmadaControllerManagerName(data.GetName()), 3, karmadaControllerManagerLabels, true); err != nil {
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return fmt.Errorf("failed to create pods: %v", err)
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}
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return nil
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},
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wantErr: false,
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},
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}
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for _, test := range tests {
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t.Run(test.name, func(t *testing.T) {
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if err := test.prep(test.runData); err != nil {
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t.Errorf("failed to prep waiting for Karmada Controller Manager: %v", err)
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}
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karmadaControllerManagerName := getKarmadaControllerManagerName(test.runData)
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waitForKarmadaControllerManager := runWaitControlPlaneSubTask(karmadaControllerManagerName, karmadaControllerManagerLabels)
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err := waitForKarmadaControllerManager(test.runData)
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if err == nil && test.wantErr {
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t.Errorf("expected error, but got none")
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}
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if err != nil && !test.wantErr {
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t.Errorf("unexpected error: %v", err)
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}
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if err != nil && test.wantErr && !strings.Contains(err.Error(), test.errMsg) {
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t.Errorf("expected %s error msg to contain %s", err.Error(), test.errMsg)
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}
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})
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}
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}
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// getKarmadaControllerManagerName returns the Karmada controller manager name from the provided RunData.
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// It checks if RunData is *TestInitData, otherwise retrieves it from *MyTestData.
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func getKarmadaControllerManagerName(rd workflow.RunData) string {
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data, ok := rd.(*TestInitData)
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if ok {
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return util.KarmadaControllerManagerName(data.GetName())
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}
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return rd.(*MyTestData).Data
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}
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