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// _ _
// __ _____ __ ___ ___ __ _| |_ ___
// \ \ /\ / / _ \/ _` \ \ / / |/ _` | __/ _ \
// \ V V / __/ (_| |\ V /| | (_| | || __/
// \_/\_/ \___|\__,_| \_/ |_|\__,_|\__\___|
//
// Copyright © 2016 - 2024 Weaviate B.V. All rights reserved.
//
// CONTACT: [email protected]
//
package backup
import (
"bytes"
"context"
"encoding/json"
"io"
"os"
"sync"
"github.com/stretchr/testify/mock"
"github.com/weaviate/weaviate/entities/backup"
"github.com/weaviate/weaviate/entities/modulecapabilities"
)
var chunks map[string][]byte
func init() {
path := "test_data/chunk-1.tar.gz"
data, err := os.ReadFile(path)
if err != nil {
panic("missing test file: " + path)
}
chunks = map[string][]byte{
chunkKey("DemoClass", 1): data,
}
}
type fakeBackupBackendProvider struct {
backend modulecapabilities.BackupBackend
err error
}
func (bsp *fakeBackupBackendProvider) BackupBackend(backend string) (modulecapabilities.BackupBackend, error) {
return bsp.backend, bsp.err
}
type fakeSourcer struct {
mock.Mock
}
func (s *fakeSourcer) ReleaseBackup(ctx context.Context, id, class string) error {
args := s.Called(ctx, id, class)
return args.Error(0)
}
func (s *fakeSourcer) Backupable(ctx context.Context, classes []string) error {
args := s.Called(ctx, classes)
return args.Error(0)
}
func (s *fakeSourcer) ListBackupable() []string {
args := s.Called()
return args.Get(0).([]string)
}
func (s *fakeSourcer) BackupDescriptors(ctx context.Context, bakid string, classes []string,
) <-chan backup.ClassDescriptor {
args := s.Called(ctx, bakid, classes)
return args.Get(0).(<-chan backup.ClassDescriptor)
}
func (s *fakeSourcer) ClassExists(name string) bool {
args := s.Called(name)
return args.Bool(0)
}
type fakeBackend struct {
mock.Mock
sync.RWMutex
meta backup.BackupDescriptor
glMeta backup.DistributedBackupDescriptor
files map[string][]byte
chunks map[string][]byte
doneChan chan bool
}
func newFakeBackend() *fakeBackend {
return &fakeBackend{
doneChan: make(chan bool),
files: map[string][]byte{},
chunks: chunks,
}
}
func (fb *fakeBackend) HomeDir(backupID string) string {
fb.RLock()
defer fb.RUnlock()
args := fb.Called(backupID)
return args.String(0)
}
func (fb *fakeBackend) PutFile(ctx context.Context, backupID, key, srcPath string) error {
fb.Lock()
defer fb.Unlock()
args := fb.Called(ctx, backupID, key, srcPath)
return args.Error(0)
}
func (fb *fakeBackend) PutObject(ctx context.Context, backupID, key string, bytes []byte) error {
fb.Lock()
defer fb.Unlock()
args := fb.Called(ctx, backupID, key, bytes)
if key == BackupFile {
json.Unmarshal(bytes, &fb.meta)
} else if key == GlobalBackupFile || key == GlobalRestoreFile {
json.Unmarshal(bytes, &fb.glMeta)
if fb.glMeta.Status == backup.Success || fb.glMeta.Status == backup.Failed {
close(fb.doneChan)
}
}
return args.Error(0)
}
func (fb *fakeBackend) GetObject(ctx context.Context, backupID, key string) ([]byte, error) {
fb.RLock()
defer fb.RUnlock()
args := fb.Called(ctx, backupID, key)
if args.Get(0) != nil {
return args.Get(0).([]byte), args.Error(1)
}
return nil, args.Error(1)
}
func (fb *fakeBackend) Initialize(ctx context.Context, backupID string) error {
fb.Lock()
defer fb.Unlock()
args := fb.Called(ctx, backupID)
return args.Error(0)
}
func (fb *fakeBackend) SourceDataPath() string {
fb.RLock()
defer fb.RUnlock()
args := fb.Called()
return args.String(0)
}
func (fb *fakeBackend) IsExternal() bool {
return true
}
func (fb *fakeBackend) Name() string {
return "fakeBackend"
}
func (fb *fakeBackend) WriteToFile(ctx context.Context, backupID, key, destPath string) error {
fb.Lock()
defer fb.Unlock()
args := fb.Called(ctx, backupID, key, destPath)
return args.Error(0)
}
func (fb *fakeBackend) Read(ctx context.Context, backupID, key string, w io.WriteCloser) (int64, error) {
fb.Lock()
defer fb.Unlock()
defer w.Close()
args := fb.Called(ctx, backupID, key, w)
if err := args.Error(1); err != nil {
return 0, err
}
if data := fb.chunks[key]; data != nil {
io.Copy(w, bytes.NewReader(data))
}
return 0, args.Error(1)
}
func (fb *fakeBackend) Write(ctx context.Context, backupID, key string, r io.ReadCloser) (int64, error) {
fb.Lock()
defer fb.Unlock()
defer r.Close()
args := fb.Called(ctx, backupID, key, r)
if err := args.Error(1); err != nil {
return 0, err
}
buf := bytes.Buffer{}
n, err := io.Copy(&buf, r)
fb.files[backupID+"/"+key] = buf.Bytes()
return n, err
}
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