gotosocial/testrig/storage.go
2021-11-27 15:26:58 +01:00

191 lines
4.6 KiB
Go

/*
GoToSocial
Copyright (C) 2021 GoToSocial Authors admin@gotosocial.org
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package testrig
import (
"bytes"
"errors"
"fmt"
"io"
"os"
"codeberg.org/gruf/go-store/kv"
"codeberg.org/gruf/go-store/storage"
"codeberg.org/gruf/go-store/util"
)
// NewTestStorage returns a new in memory storage with the default test config
func NewTestStorage() *kv.KVStore {
storage, err := kv.OpenStorage(&inMemStorage{storage: map[string][]byte{}, overwrite: false})
if err != nil {
panic(err)
}
return storage
}
// StandardStorageSetup populates the storage with standard test entries from the given directory.
func StandardStorageSetup(s *kv.KVStore, relativePath string) {
storedA := newTestStoredAttachments()
a := NewTestAttachments()
for k, paths := range storedA {
attachmentInfo, ok := a[k]
if !ok {
panic(fmt.Errorf("key %s not found in test attachments", k))
}
filenameOriginal := paths.Original
filenameSmall := paths.Small
pathOriginal := attachmentInfo.File.Path
pathSmall := attachmentInfo.Thumbnail.Path
bOriginal, err := os.ReadFile(fmt.Sprintf("%s/%s", relativePath, filenameOriginal))
if err != nil {
panic(err)
}
if err := s.Put(pathOriginal, bOriginal); err != nil {
panic(err)
}
bSmall, err := os.ReadFile(fmt.Sprintf("%s/%s", relativePath, filenameSmall))
if err != nil {
panic(err)
}
if err := s.Put(pathSmall, bSmall); err != nil {
panic(err)
}
}
storedE := newTestStoredEmoji()
e := NewTestEmojis()
for k, paths := range storedE {
emojiInfo, ok := e[k]
if !ok {
panic(fmt.Errorf("key %s not found in test emojis", k))
}
filenameOriginal := paths.Original
filenameStatic := paths.Static
pathOriginal := emojiInfo.ImagePath
pathStatic := emojiInfo.ImageStaticPath
bOriginal, err := os.ReadFile(fmt.Sprintf("%s/%s", relativePath, filenameOriginal))
if err != nil {
panic(err)
}
if err := s.Put(pathOriginal, bOriginal); err != nil {
panic(err)
}
bStatic, err := os.ReadFile(fmt.Sprintf("%s/%s", relativePath, filenameStatic))
if err != nil {
panic(err)
}
if err := s.Put(pathStatic, bStatic); err != nil {
panic(err)
}
}
}
// StandardStorageTeardown deletes everything in storage so that it's clean for the next test
func StandardStorageTeardown(s *kv.KVStore) {
iter, err := s.Iterator(nil)
if err != nil {
panic(err)
}
keys := []string{}
for iter.Next() {
keys = append(keys, iter.Key())
}
iter.Release()
for _, k := range keys {
if err := s.Delete(k); err != nil {
panic(err)
}
}
}
type inMemStorage struct {
storage map[string][]byte
overwrite bool
}
func (s *inMemStorage) Clean() error {
return nil
}
func (s *inMemStorage) ReadBytes(key string) ([]byte, error) {
b, ok := s.storage[key]
if !ok {
return nil, errors.New("key not found")
}
return b, nil
}
func (s *inMemStorage) ReadStream(key string) (io.ReadCloser, error) {
b, err := s.ReadBytes(key)
if err != nil {
return nil, err
}
return util.NopReadCloser(bytes.NewReader(b)), nil
}
func (s *inMemStorage) WriteBytes(key string, value []byte) error {
if _, ok := s.storage[key]; ok && !s.overwrite {
return errors.New("key already in storage")
}
s.storage[key] = copyBytes(value)
return nil
}
func (s *inMemStorage) WriteStream(key string, r io.Reader) error {
b, err := io.ReadAll(r)
if err != nil {
return err
}
return s.WriteBytes(key, b)
}
func (s *inMemStorage) Stat(key string) (bool, error) {
_, ok := s.storage[key]
return ok, nil
}
func (s *inMemStorage) Remove(key string) error {
if _, ok := s.storage[key]; !ok {
return errors.New("key not found")
}
delete(s.storage, key)
return nil
}
func (s *inMemStorage) WalkKeys(opts storage.WalkKeysOptions) error {
if opts.WalkFn == nil {
return errors.New("invalid walkfn")
}
for key := range s.storage {
opts.WalkFn(entry(key))
}
return nil
}
type entry string
func (e entry) Key() string {
return string(e)
}
func copyBytes(b []byte) []byte {
p := make([]byte, len(b))
copy(p, b)
return p
}