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// Copyright 2017 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 testutil
import (
"context"
"io/ioutil"
"math/big"
"net/http"
"net/http/httptest"
"os"
"testing"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/swarm/api"
"github.com/ethereum/go-ethereum/swarm/storage"
"github.com/ethereum/go-ethereum/swarm/storage/mru"
)
type TestServer interface {
ServeHTTP(http.ResponseWriter, *http.Request)
}
type fakeBackend struct {
blocknumber int64
}
func (f *fakeBackend) HeaderByNumber(context context.Context, _ string, bigblock *big.Int) (*types.Header, error) {
f.blocknumber++
biggie := big.NewInt(f.blocknumber)
return &types.Header{
Number: biggie,
}, nil
}
func NewTestSwarmServer(t *testing.T, serverFunc func(*api.API) TestServer) *TestSwarmServer {
dir, err := ioutil.TempDir("", "swarm-storage-test")
if err != nil {
t.Fatal(err)
}
storeparams := storage.NewDefaultLocalStoreParams()
storeparams.DbCapacity = 5000000
storeparams.CacheCapacity = 5000
storeparams.Init(dir)
localStore, err := storage.NewLocalStore(storeparams, nil)
if err != nil {
os.RemoveAll(dir)
t.Fatal(err)
}
fileStore := storage.NewFileStore(localStore, storage.NewFileStoreParams())
// mutable resources test setup
resourceDir, err := ioutil.TempDir("", "swarm-resource-test")
if err != nil {
t.Fatal(err)
}
rhparams := &mru.HandlerParams{
QueryMaxPeriods: &mru.LookupParams{},
HeaderGetter: &fakeBackend{
blocknumber: 42,
},
}
rh, err := mru.NewTestHandler(resourceDir, rhparams)
if err != nil {
t.Fatal(err)
}
a := api.NewAPI(fileStore, nil, rh)
srv := httptest.NewServer(serverFunc(a))
return &TestSwarmServer{
Server: srv,
FileStore: fileStore,
dir: dir,
Hasher: storage.MakeHashFunc(storage.DefaultHash)(),
cleanup: func() {
srv.Close()
rh.Close()
os.RemoveAll(dir)
os.RemoveAll(resourceDir)
},
}
}
type TestSwarmServer struct {
*httptest.Server
Hasher storage.SwarmHash
FileStore *storage.FileStore
dir string
cleanup func()
}
func (t *TestSwarmServer) Close() {
t.cleanup()
}
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