393 lines
12 KiB
Go
393 lines
12 KiB
Go
/*
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Copyright The Velero Contributors.
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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 datamover
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import (
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"context"
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"fmt"
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"testing"
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"time"
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"github.com/pkg/errors"
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"github.com/sirupsen/logrus"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/mock"
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"k8s.io/apimachinery/pkg/runtime"
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kbclient "sigs.k8s.io/controller-runtime/pkg/client"
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clientFake "sigs.k8s.io/controller-runtime/pkg/client/fake"
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"github.com/vmware-tanzu/velero/pkg/builder"
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"github.com/vmware-tanzu/velero/pkg/datapath"
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datapathmockes "github.com/vmware-tanzu/velero/pkg/datapath/mocks"
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"github.com/vmware-tanzu/velero/pkg/uploader"
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velerov1api "github.com/vmware-tanzu/velero/pkg/apis/velero/v1"
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velerov2alpha1api "github.com/vmware-tanzu/velero/pkg/apis/velero/v2alpha1"
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velerotest "github.com/vmware-tanzu/velero/pkg/test"
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)
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func TestOnDataDownloadFailed(t *testing.T) {
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dataDownloadName := "fake-data-download"
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bt := &backupMsTestHelper{}
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bs := &RestoreMicroService{
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dataDownloadName: dataDownloadName,
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dataPathMgr: datapath.NewManager(1),
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eventRecorder: bt,
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resultSignal: make(chan dataPathResult),
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logger: velerotest.NewLogger(),
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}
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expectedErr := "Data path for data download fake-data-download failed: fake-error"
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expectedEventReason := datapath.EventReasonFailed
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expectedEventMsg := "Data path for data download fake-data-download failed, error fake-error"
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go bs.OnDataDownloadFailed(context.TODO(), velerov1api.DefaultNamespace, dataDownloadName, errors.New("fake-error"))
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result := <-bs.resultSignal
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assert.EqualError(t, result.err, expectedErr)
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assert.Equal(t, expectedEventReason, bt.EventReason())
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assert.Equal(t, expectedEventMsg, bt.EventMessage())
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}
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func TestOnDataDownloadCancelled(t *testing.T) {
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dataDownloadName := "fake-data-download"
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bt := &backupMsTestHelper{}
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bs := &RestoreMicroService{
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dataDownloadName: dataDownloadName,
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dataPathMgr: datapath.NewManager(1),
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eventRecorder: bt,
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resultSignal: make(chan dataPathResult),
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logger: velerotest.NewLogger(),
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}
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expectedErr := datapath.ErrCancelled
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expectedEventReason := datapath.EventReasonCancelled
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expectedEventMsg := "Data path for data download fake-data-download canceled"
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go bs.OnDataDownloadCancelled(context.TODO(), velerov1api.DefaultNamespace, dataDownloadName)
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result := <-bs.resultSignal
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assert.EqualError(t, result.err, expectedErr)
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assert.Equal(t, expectedEventReason, bt.EventReason())
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assert.Equal(t, expectedEventMsg, bt.EventMessage())
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}
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func TestOnDataDownloadCompleted(t *testing.T) {
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tests := []struct {
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name string
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expectedErr string
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expectedEventReason string
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expectedEventMsg string
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marshalErr error
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marshallStr string
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}{
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{
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name: "marshal fail",
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marshalErr: errors.New("fake-marshal-error"),
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expectedErr: "Failed to marshal restore result {{ }}: fake-marshal-error",
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},
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{
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name: "succeed",
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marshallStr: "fake-complete-string",
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expectedEventReason: datapath.EventReasonCompleted,
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expectedEventMsg: "fake-complete-string",
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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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dataDownloadName := "fake-data-download"
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bt := &backupMsTestHelper{
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marshalErr: test.marshalErr,
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marshalBytes: []byte(test.marshallStr),
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}
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bs := &RestoreMicroService{
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dataPathMgr: datapath.NewManager(1),
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eventRecorder: bt,
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resultSignal: make(chan dataPathResult),
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logger: velerotest.NewLogger(),
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}
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funcMarshal = bt.Marshal
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go bs.OnDataDownloadCompleted(context.TODO(), velerov1api.DefaultNamespace, dataDownloadName, datapath.Result{})
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result := <-bs.resultSignal
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if test.marshalErr != nil {
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assert.EqualError(t, result.err, test.expectedErr)
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} else {
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assert.NoError(t, result.err)
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assert.Equal(t, test.expectedEventReason, bt.EventReason())
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assert.Equal(t, test.expectedEventMsg, bt.EventMessage())
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}
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})
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}
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}
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func TestOnDataDownloadProgress(t *testing.T) {
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tests := []struct {
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name string
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expectedEventReason string
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expectedEventMsg string
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marshalErr error
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marshallStr string
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}{
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{
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name: "marshal fail",
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marshalErr: errors.New("fake-marshal-error"),
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},
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{
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name: "succeed",
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marshallStr: "fake-progress-string",
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expectedEventReason: datapath.EventReasonProgress,
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expectedEventMsg: "fake-progress-string",
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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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dataDownloadName := "fake-data-download"
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bt := &backupMsTestHelper{
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marshalErr: test.marshalErr,
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marshalBytes: []byte(test.marshallStr),
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}
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bs := &RestoreMicroService{
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dataPathMgr: datapath.NewManager(1),
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eventRecorder: bt,
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logger: velerotest.NewLogger(),
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}
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funcMarshal = bt.Marshal
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bs.OnDataDownloadProgress(context.TODO(), velerov1api.DefaultNamespace, dataDownloadName, &uploader.Progress{})
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if test.marshalErr != nil {
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assert.False(t, bt.withEvent)
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} else {
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assert.True(t, bt.withEvent)
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assert.Equal(t, test.expectedEventReason, bt.EventReason())
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assert.Equal(t, test.expectedEventMsg, bt.EventMessage())
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}
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})
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}
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}
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func TestCancelDataDownload(t *testing.T) {
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tests := []struct {
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name string
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expectedEventReason string
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expectedEventMsg string
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expectedErr string
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}{
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{
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name: "no fs restore",
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expectedEventReason: datapath.EventReasonCancelled,
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expectedEventMsg: "Data path for data download fake-data-download canceled",
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expectedErr: datapath.ErrCancelled,
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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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dataDownloadName := "fake-data-download"
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dd := builder.ForDataDownload(velerov1api.DefaultNamespace, dataDownloadName).Result()
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bt := &backupMsTestHelper{}
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bs := &RestoreMicroService{
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dataPathMgr: datapath.NewManager(1),
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eventRecorder: bt,
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resultSignal: make(chan dataPathResult),
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logger: velerotest.NewLogger(),
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}
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go bs.cancelDataDownload(dd)
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result := <-bs.resultSignal
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assert.EqualError(t, result.err, test.expectedErr)
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assert.True(t, bt.withEvent)
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assert.Equal(t, test.expectedEventReason, bt.EventReason())
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assert.Equal(t, test.expectedEventMsg, bt.EventMessage())
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})
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}
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}
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func TestRunCancelableRestore(t *testing.T) {
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dataDownloadName := "fake-data-download"
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dd := builder.ForDataDownload(velerov1api.DefaultNamespace, dataDownloadName).Phase(velerov2alpha1api.DataDownloadPhaseNew).Result()
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ddInProgress := builder.ForDataDownload(velerov1api.DefaultNamespace, dataDownloadName).Phase(velerov2alpha1api.DataDownloadPhaseInProgress).Result()
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ctxTimeout, cancel := context.WithTimeout(context.Background(), time.Second)
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tests := []struct {
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name string
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ctx context.Context
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result *dataPathResult
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dataPathMgr *datapath.Manager
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kubeClientObj []runtime.Object
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initErr error
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startErr error
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dataPathStarted bool
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expectedEventMsg string
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expectedErr string
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}{
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{
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name: "no dd",
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ctx: ctxTimeout,
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expectedErr: "error waiting for dd: context deadline exceeded",
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},
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{
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name: "dd not in in-progress",
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ctx: ctxTimeout,
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kubeClientObj: []runtime.Object{dd},
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expectedErr: "error waiting for dd: context deadline exceeded",
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},
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{
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name: "create data path fail",
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ctx: context.Background(),
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kubeClientObj: []runtime.Object{ddInProgress},
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dataPathMgr: datapath.NewManager(0),
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expectedErr: "error to create data path: Concurrent number exceeds",
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},
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{
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name: "init data path fail",
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ctx: context.Background(),
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kubeClientObj: []runtime.Object{ddInProgress},
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initErr: errors.New("fake-init-error"),
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expectedErr: "error to initialize data path: fake-init-error",
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},
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{
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name: "start data path fail",
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ctx: context.Background(),
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kubeClientObj: []runtime.Object{ddInProgress},
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startErr: errors.New("fake-start-error"),
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expectedErr: "error starting data path restore: fake-start-error",
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},
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{
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name: "data path timeout",
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ctx: ctxTimeout,
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kubeClientObj: []runtime.Object{ddInProgress},
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dataPathStarted: true,
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expectedEventMsg: fmt.Sprintf("Data path for %s stopped", dataDownloadName),
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expectedErr: "timed out waiting for fs restore to complete",
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},
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{
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name: "data path returns error",
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ctx: context.Background(),
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kubeClientObj: []runtime.Object{ddInProgress},
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dataPathStarted: true,
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result: &dataPathResult{
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err: errors.New("fake-data-path-error"),
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},
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expectedEventMsg: fmt.Sprintf("Data path for %s stopped", dataDownloadName),
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expectedErr: "fake-data-path-error",
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},
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{
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name: "succeed",
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ctx: context.Background(),
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kubeClientObj: []runtime.Object{ddInProgress},
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dataPathStarted: true,
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result: &dataPathResult{
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result: "fake-succeed-result",
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},
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expectedEventMsg: fmt.Sprintf("Data path for %s stopped", dataDownloadName),
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},
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}
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scheme := runtime.NewScheme()
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velerov2alpha1api.AddToScheme(scheme)
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for _, test := range tests {
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t.Run(test.name, func(t *testing.T) {
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fakeClientBuilder := clientFake.NewClientBuilder()
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fakeClientBuilder = fakeClientBuilder.WithScheme(scheme)
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fakeClient := fakeClientBuilder.WithRuntimeObjects(test.kubeClientObj...).Build()
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bt := &backupMsTestHelper{}
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rs := &RestoreMicroService{
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namespace: velerov1api.DefaultNamespace,
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dataDownloadName: dataDownloadName,
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ctx: context.Background(),
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client: fakeClient,
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dataPathMgr: datapath.NewManager(1),
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eventRecorder: bt,
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resultSignal: make(chan dataPathResult),
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logger: velerotest.NewLogger(),
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}
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if test.ctx != nil {
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rs.ctx = test.ctx
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}
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if test.dataPathMgr != nil {
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rs.dataPathMgr = test.dataPathMgr
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}
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datapath.FSBRCreator = func(string, string, kbclient.Client, string, datapath.Callbacks, logrus.FieldLogger) datapath.AsyncBR {
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fsBR := datapathmockes.NewAsyncBR(t)
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if test.initErr != nil {
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fsBR.On("Init", mock.Anything, mock.Anything).Return(test.initErr)
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}
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if test.startErr != nil {
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fsBR.On("Init", mock.Anything, mock.Anything).Return(nil)
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fsBR.On("StartRestore", mock.Anything, mock.Anything, mock.Anything).Return(test.startErr)
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}
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if test.dataPathStarted {
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fsBR.On("Init", mock.Anything, mock.Anything).Return(nil)
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fsBR.On("StartRestore", mock.Anything, mock.Anything, mock.Anything).Return(nil)
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}
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return fsBR
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}
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if test.result != nil {
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go func() {
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time.Sleep(time.Millisecond * 500)
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rs.resultSignal <- *test.result
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}()
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}
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result, err := rs.RunCancelableDataPath(test.ctx)
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if test.expectedErr != "" {
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assert.EqualError(t, err, test.expectedErr)
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} else {
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assert.NoError(t, err)
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assert.Equal(t, test.result.result, result)
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}
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if test.expectedEventMsg != "" {
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assert.True(t, bt.withEvent)
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assert.Equal(t, test.expectedEventMsg, bt.EventMessage())
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}
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})
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}
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cancel()
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}
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