path: root/swarm/api/http/test_server.go

// 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 http

import (
    "io/ioutil"
    "net/http"
    "net/http/httptest"
    "os"
    "testing"

    "github.com/ethereum/go-ethereum/swarm/api"
    "github.com/ethereum/go-ethereum/swarm/storage"
    "github.com/ethereum/go-ethereum/swarm/storage/feed"
)

type TestServer interface {
    ServeHTTP(http.ResponseWriter, *http.Request)
}

func NewTestSwarmServer(t *testing.T, serverFunc func(*api.API) TestServer, resolver api.Resolver) *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())

    // Swarm feeds test setup
    feedsDir, err := ioutil.TempDir("", "swarm-feeds-test")
    if err != nil {
        t.Fatal(err)
    }

    rhparams := &feed.HandlerParams{}
    rh, err := feed.NewTestHandler(feedsDir, rhparams)
    if err != nil {
        t.Fatal(err)
    }

    a := api.NewAPI(fileStore, resolver, rh.Handler, nil)
    srv := httptest.NewServer(serverFunc(a))
    tss := &TestSwarmServer{
        Server:    srv,
        FileStore: fileStore,
        dir:       dir,
        Hasher:    storage.MakeHashFunc(storage.DefaultHash)(),
        cleanup: func() {
            srv.Close()
            rh.Close()
            os.RemoveAll(dir)
            os.RemoveAll(feedsDir)
        },
        CurrentTime: 42,
    }
    feed.TimestampProvider = tss
    return tss
}

type TestSwarmServer struct {
    *httptest.Server
    Hasher      storage.SwarmHash
    FileStore   *storage.FileStore
    dir         string
    cleanup     func()
    CurrentTime uint64
}

func (t *TestSwarmServer) Close() {
    t.cleanup()
}

func (t *TestSwarmServer) Now() feed.Timestamp {
    return feed.Timestamp{Time: t.CurrentTime}
}