Official Go implementation of the Ethereum protocol
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go-ethereum/swarm/storage/feed/testutil.go

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2.2 KiB

// Copyright 2018 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library 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 Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package feed
import (
"context"
"fmt"
"path/filepath"
"sync"
"github.com/ethereum/go-ethereum/p2p/enode"
"github.com/ethereum/go-ethereum/swarm/storage"
)
const (
testDbDirName = "feeds"
)
type TestHandler struct {
*Handler
}
func (t *TestHandler) Close() {
t.chunkStore.Close()
}
type mockNetFetcher struct{}
func (m *mockNetFetcher) Request(hopCount uint8) {
}
func (m *mockNetFetcher) Offer(source *enode.ID) {
}
func newFakeNetFetcher(context.Context, storage.Address, *sync.Map) storage.NetFetcher {
return &mockNetFetcher{}
}
// NewTestHandler creates Handler object to be used for testing purposes.
func NewTestHandler(datadir string, params *HandlerParams) (*TestHandler, error) {
path := filepath.Join(datadir, testDbDirName)
fh := NewHandler(params)
localstoreparams := storage.NewDefaultLocalStoreParams()
localstoreparams.Init(path)
localStore, err := storage.NewLocalStore(localstoreparams, nil)
if err != nil {
return nil, fmt.Errorf("localstore create fail, path %s: %v", path, err)
}
localStore.Validators = append(localStore.Validators, storage.NewContentAddressValidator(storage.MakeHashFunc(feedsHashAlgorithm)))
localStore.Validators = append(localStore.Validators, fh)
netStore, err := storage.NewNetStore(localStore, nil)
if err != nil {
return nil, err
}
netStore.NewNetFetcherFunc = newFakeNetFetcher
fh.SetStore(netStore)
return &TestHandler{fh}, nil
}