mirror of
https://github.com/vmware-tanzu/velero.git
synced 2026-09-27 18:34:18 +00:00
113 lines
3.2 KiB
Go
113 lines
3.2 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 block
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import (
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"context"
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"testing"
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"github.com/cockroachdb/errors"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/mock"
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"github.com/stretchr/testify/require"
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"github.com/vmware-tanzu/velero/pkg/repository/udmrepo"
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udmrepomocks "github.com/vmware-tanzu/velero/pkg/repository/udmrepo/mocks"
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)
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func TestLoadObjectFromSnapshot(t *testing.T) {
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testCases := []struct {
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name string
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snapshot *udmrepo.Snapshot
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setupMocks func(repo *udmrepomocks.BackupRepo)
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expectedErrStr string
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expectedID udmrepo.ID
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}{
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{
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name: "nil snapshot",
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snapshot: nil,
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expectedErrStr: "snapshot is empty",
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},
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{
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name: "ReadMetadata error",
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snapshot: &udmrepo.Snapshot{
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RootObject: udmrepo.ObjectMetadata{ID: "root-obj"},
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},
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setupMocks: func(repo *udmrepomocks.BackupRepo) {
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repo.On("ReadMetadata", mock.Anything, udmrepo.ID("root-obj")).
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Return(nil, errors.New("read error"))
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},
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expectedErrStr: "error reading snapshot metadata",
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},
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{
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name: "unexpected number of subobjects (0)",
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snapshot: &udmrepo.Snapshot{
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RootObject: udmrepo.ObjectMetadata{ID: "root-obj"},
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},
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setupMocks: func(repo *udmrepomocks.BackupRepo) {
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repo.On("ReadMetadata", mock.Anything, udmrepo.ID("root-obj")).
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Return(&udmrepo.Metadata{SubObjects: []udmrepo.ObjectMetadata{}}, nil)
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},
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expectedErrStr: "unexpected number of bdev object",
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},
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{
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name: "unexpected number of subobjects (2)",
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snapshot: &udmrepo.Snapshot{
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RootObject: udmrepo.ObjectMetadata{ID: "root-obj"},
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},
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setupMocks: func(repo *udmrepomocks.BackupRepo) {
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repo.On("ReadMetadata", mock.Anything, udmrepo.ID("root-obj")).
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Return(&udmrepo.Metadata{SubObjects: []udmrepo.ObjectMetadata{{ID: "obj-1"}, {ID: "obj-2"}}}, nil)
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},
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expectedErrStr: "unexpected number of bdev object",
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},
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{
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name: "success",
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snapshot: &udmrepo.Snapshot{
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RootObject: udmrepo.ObjectMetadata{ID: "root-obj"},
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},
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setupMocks: func(repo *udmrepomocks.BackupRepo) {
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repo.On("ReadMetadata", mock.Anything, udmrepo.ID("root-obj")).
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Return(&udmrepo.Metadata{SubObjects: []udmrepo.ObjectMetadata{{ID: "bdev-obj"}}}, nil)
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},
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expectedID: "bdev-obj",
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},
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}
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for _, tc := range testCases {
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t.Run(tc.name, func(t *testing.T) {
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ctx := context.Background()
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mockRepo := udmrepomocks.NewBackupRepo(t)
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if tc.setupMocks != nil {
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tc.setupMocks(mockRepo)
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}
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id, err := loadObjectFromSnapshot(ctx, mockRepo, tc.snapshot)
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if tc.expectedErrStr != "" {
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require.Error(t, err)
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require.ErrorContains(t, err, tc.expectedErrStr)
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assert.Empty(t, id)
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} else {
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require.NoError(t, err)
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assert.Equal(t, tc.expectedID, id)
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}
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})
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}
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}
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