7c9314f231
* swarm: propagate ctx, enable opentracing * swarm/tracing: log error when tracing is misconfigured
124 lines
3.1 KiB
Go
124 lines
3.1 KiB
Go
// 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 storage
|
|
|
|
import (
|
|
"context"
|
|
"encoding/hex"
|
|
"errors"
|
|
"io/ioutil"
|
|
"testing"
|
|
"time"
|
|
|
|
"github.com/ethereum/go-ethereum/swarm/network"
|
|
)
|
|
|
|
var (
|
|
errUnknown = errors.New("unknown error")
|
|
)
|
|
|
|
type mockRetrieve struct {
|
|
requests map[string]int
|
|
}
|
|
|
|
func NewMockRetrieve() *mockRetrieve {
|
|
return &mockRetrieve{requests: make(map[string]int)}
|
|
}
|
|
|
|
func newDummyChunk(addr Address) *Chunk {
|
|
chunk := NewChunk(addr, make(chan bool))
|
|
chunk.SData = []byte{3, 4, 5}
|
|
chunk.Size = 3
|
|
|
|
return chunk
|
|
}
|
|
|
|
func (m *mockRetrieve) retrieve(ctx context.Context, chunk *Chunk) error {
|
|
hkey := hex.EncodeToString(chunk.Addr)
|
|
m.requests[hkey] += 1
|
|
|
|
// on second call return error
|
|
if m.requests[hkey] == 2 {
|
|
return errUnknown
|
|
}
|
|
|
|
// on third call return data
|
|
if m.requests[hkey] == 3 {
|
|
*chunk = *newDummyChunk(chunk.Addr)
|
|
go func() {
|
|
time.Sleep(100 * time.Millisecond)
|
|
close(chunk.ReqC)
|
|
}()
|
|
|
|
return nil
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
func TestNetstoreFailedRequest(t *testing.T) {
|
|
searchTimeout = 300 * time.Millisecond
|
|
|
|
// setup
|
|
addr := network.RandomAddr() // tested peers peer address
|
|
|
|
// temp datadir
|
|
datadir, err := ioutil.TempDir("", "netstore")
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
params := NewDefaultLocalStoreParams()
|
|
params.Init(datadir)
|
|
params.BaseKey = addr.Over()
|
|
localStore, err := NewTestLocalStoreForAddr(params)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
r := NewMockRetrieve()
|
|
netStore := NewNetStore(localStore, r.retrieve)
|
|
|
|
key := Address{}
|
|
|
|
// first call is done by the retry on ErrChunkNotFound, no need to do it here
|
|
// _, err = netStore.Get(key)
|
|
// if err == nil || err != ErrChunkNotFound {
|
|
// t.Fatalf("expected to get ErrChunkNotFound, but got: %s", err)
|
|
// }
|
|
|
|
// second call
|
|
_, err = netStore.Get(context.TODO(), key)
|
|
if got := r.requests[hex.EncodeToString(key)]; got != 2 {
|
|
t.Fatalf("expected to have called retrieve two times, but got: %v", got)
|
|
}
|
|
if err != errUnknown {
|
|
t.Fatalf("expected to get an unknown error, but got: %s", err)
|
|
}
|
|
|
|
// third call
|
|
chunk, err := netStore.Get(context.TODO(), key)
|
|
if got := r.requests[hex.EncodeToString(key)]; got != 3 {
|
|
t.Fatalf("expected to have called retrieve three times, but got: %v", got)
|
|
}
|
|
if err != nil || chunk == nil {
|
|
t.Fatalf("expected to get a chunk but got: %v, %s", chunk, err)
|
|
}
|
|
if len(chunk.SData) != 3 {
|
|
t.Fatalf("expected to get a chunk with size 3, but got: %v", chunk.SData)
|
|
}
|
|
}
|