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storerMock.go
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storerMock.go
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package genericMocks
import (
"encoding/hex"
"errors"
"fmt"
"sync"
"github.com/ElrondNetwork/elrond-go-core/core/atomic"
"github.com/ElrondNetwork/elrond-go-core/core/container"
"github.com/ElrondNetwork/elrond-go-core/marshal"
)
// StorerMock -
type StorerMock struct {
mutex sync.RWMutex
Name string
DataByEpoch map[uint32]*container.MutexMap
currentEpoch atomic.Uint32
}
// NewStorerMock -
func NewStorerMock(name string, currentEpoch uint32) *StorerMock {
sm := &StorerMock{
Name: name,
DataByEpoch: make(map[uint32]*container.MutexMap),
}
sm.SetCurrentEpoch(currentEpoch)
return sm
}
// SetCurrentEpoch -
func (sm *StorerMock) SetCurrentEpoch(epoch uint32) {
sm.currentEpoch.Set(epoch)
}
// GetCurrentEpochData -
func (sm *StorerMock) GetCurrentEpochData() *container.MutexMap {
return sm.GetEpochData(sm.currentEpoch.Get())
}
// GetEpochData -
func (sm *StorerMock) GetEpochData(epoch uint32) *container.MutexMap {
sm.mutex.Lock()
defer sm.mutex.Unlock()
data, ok := sm.DataByEpoch[epoch]
if ok {
return data
}
data = container.NewMutexMap()
sm.DataByEpoch[epoch] = data
return data
}
// GetFromEpoch -
func (sm *StorerMock) GetFromEpoch(key []byte, epoch uint32) ([]byte, error) {
data := sm.GetEpochData(epoch)
value, ok := data.Get(string(key))
if !ok {
return nil, sm.newErrNotFound(key, epoch)
}
return value.([]byte), nil
}
// GetBulkFromEpoch -
func (sm *StorerMock) GetBulkFromEpoch(keys [][]byte, epoch uint32) (map[string][]byte, error) {
data := sm.GetEpochData(epoch)
result := map[string][]byte{}
for _, key := range keys {
value, ok := data.Get(string(key))
if ok {
result[string(key)] = value.([]byte)
}
}
return result, nil
}
// hasInEpoch -
func (sm *StorerMock) hasInEpoch(key []byte, epoch uint32) error {
data := sm.GetEpochData(epoch)
_, ok := data.Get(string(key))
if ok {
return nil
}
return sm.newErrNotFound(key, epoch)
}
// Put -
func (sm *StorerMock) Put(key, value []byte) error {
data := sm.GetCurrentEpochData()
data.Set(string(key), value)
return nil
}
// PutInEpoch -
func (sm *StorerMock) PutInEpoch(key, value []byte, epoch uint32) error {
data := sm.GetEpochData(epoch)
data.Set(string(key), value)
return nil
}
// PutWithMarshalizer -
func (sm *StorerMock) PutWithMarshalizer(key []byte, obj interface{}, marshalizer marshal.Marshalizer) error {
data, err := marshalizer.Marshal(obj)
if err != nil {
return err
}
return sm.Put(key, data)
}
// Get -
func (sm *StorerMock) Get(key []byte) ([]byte, error) {
data := sm.GetCurrentEpochData()
value, ok := data.Get(string(key))
if !ok {
return nil, sm.newErrNotFound(key, sm.currentEpoch.Get())
}
return value.([]byte), nil
}
// GetFromEpochWithMarshalizer -
func (sm *StorerMock) GetFromEpochWithMarshalizer(key []byte, epoch uint32, obj interface{}, marshalizer marshal.Marshalizer) error {
data, err := sm.GetFromEpoch(key, epoch)
if err != nil {
return err
}
err = marshalizer.Unmarshal(obj, data)
if err != nil {
return err
}
return nil
}
// SearchFirst -
func (sm *StorerMock) SearchFirst(key []byte) ([]byte, error) {
return sm.Get(key)
}
// Close -
func (sm *StorerMock) Close() error {
return nil
}
// Has -
func (sm *StorerMock) Has(key []byte) error {
return sm.hasInEpoch(key, sm.currentEpoch.Get())
}
// Remove -
func (sm *StorerMock) Remove(_ []byte) error {
return errors.New("not implemented")
}
// ClearCache -
func (sm *StorerMock) ClearCache() {
}
// DestroyUnit -
func (sm *StorerMock) DestroyUnit() error {
return nil
}
// RangeKeys -
func (sm *StorerMock) RangeKeys(handler func(key []byte, value []byte) bool) {
if handler == nil {
return
}
data := sm.GetCurrentEpochData()
for _, key := range data.Keys() {
value, ok := data.Get(key)
if !ok {
continue
}
shouldContinueRange := handler([]byte(key.(string)), value.([]byte))
if !shouldContinueRange {
return
}
}
}
// GetOldestEpoch -
func (sm *StorerMock) GetOldestEpoch() (uint32, error) {
return 0, nil
}
// IsInterfaceNil returns true if there is no value under the interface
func (sm *StorerMock) IsInterfaceNil() bool {
return sm == nil
}
func (sm *StorerMock) newErrNotFound(key []byte, epoch uint32) error {
return fmt.Errorf("StorerMock: not found in %s: key = %s, epoch = %d", sm.Name, hex.EncodeToString(key), epoch)
}