2019-02-07 08:46:58 -06:00
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// Copyright 2019 The go-ethereum Authors
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// This file is part of go-ethereum.
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//
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// go-ethereum is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// go-ethereum is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
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package main
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import (
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"context"
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"io/ioutil"
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"net"
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"net/http"
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"os"
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"testing"
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"time"
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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/rpc"
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mockRPC "github.com/ethereum/go-ethereum/swarm/storage/mock/rpc"
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)
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// TestHTTP_InMemory tests in-memory global store that exposes
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// HTTP server.
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func TestHTTP_InMemory(t *testing.T) {
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testHTTP(t, true)
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}
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// TestHTTP_Database tests global store with persisted database
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// that exposes HTTP server.
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func TestHTTP_Database(t *testing.T) {
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dir, err := ioutil.TempDir("", "swarm-global-store-")
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if err != nil {
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t.Fatal(err)
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}
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defer os.RemoveAll(dir)
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// create a fresh global store
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testHTTP(t, true, "--dir", dir)
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// check if data saved by the previous global store instance
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testHTTP(t, false, "--dir", dir)
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}
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// testWebsocket starts global store binary with HTTP server
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// and validates that it can store and retrieve data.
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// If put is false, no data will be stored, only retrieved,
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// giving the possibility to check if data is present in the
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// storage directory.
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func testHTTP(t *testing.T, put bool, args ...string) {
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addr := findFreeTCPAddress(t)
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testCmd := runGlobalStore(t, append([]string{"http", "--addr", addr}, args...)...)
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2019-02-20 15:58:25 -06:00
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defer testCmd.Kill()
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2019-02-07 08:46:58 -06:00
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client, err := rpc.DialHTTP("http://" + addr)
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if err != nil {
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t.Fatal(err)
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}
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// wait until global store process is started as
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// rpc.DialHTTP is actually not connecting
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for i := 0; i < 1000; i++ {
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_, err = http.DefaultClient.Get("http://" + addr)
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if err == nil {
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break
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}
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time.Sleep(10 * time.Millisecond)
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}
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if err != nil {
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t.Fatal(err)
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}
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store := mockRPC.NewGlobalStore(client)
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defer store.Close()
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node := store.NewNodeStore(common.HexToAddress("123abc"))
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wantKey := "key"
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wantValue := "value"
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if put {
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err = node.Put([]byte(wantKey), []byte(wantValue))
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if err != nil {
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t.Fatal(err)
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}
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}
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gotValue, err := node.Get([]byte(wantKey))
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if err != nil {
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t.Fatal(err)
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}
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if string(gotValue) != wantValue {
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t.Errorf("got value %s for key %s, want %s", string(gotValue), wantKey, wantValue)
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}
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}
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// TestWebsocket_InMemory tests in-memory global store that exposes
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// WebSocket server.
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func TestWebsocket_InMemory(t *testing.T) {
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testWebsocket(t, true)
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}
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// TestWebsocket_Database tests global store with persisted database
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// that exposes HTTP server.
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func TestWebsocket_Database(t *testing.T) {
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dir, err := ioutil.TempDir("", "swarm-global-store-")
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if err != nil {
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t.Fatal(err)
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}
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defer os.RemoveAll(dir)
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// create a fresh global store
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testWebsocket(t, true, "--dir", dir)
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// check if data saved by the previous global store instance
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testWebsocket(t, false, "--dir", dir)
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}
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// testWebsocket starts global store binary with WebSocket server
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// and validates that it can store and retrieve data.
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// If put is false, no data will be stored, only retrieved,
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// giving the possibility to check if data is present in the
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// storage directory.
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func testWebsocket(t *testing.T, put bool, args ...string) {
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addr := findFreeTCPAddress(t)
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testCmd := runGlobalStore(t, append([]string{"ws", "--addr", addr}, args...)...)
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2019-02-20 15:58:25 -06:00
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defer testCmd.Kill()
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2019-02-07 08:46:58 -06:00
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var client *rpc.Client
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var err error
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// wait until global store process is started
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for i := 0; i < 1000; i++ {
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client, err = rpc.DialWebsocket(context.Background(), "ws://"+addr, "")
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if err == nil {
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break
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}
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time.Sleep(10 * time.Millisecond)
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}
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if err != nil {
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t.Fatal(err)
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}
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store := mockRPC.NewGlobalStore(client)
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defer store.Close()
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node := store.NewNodeStore(common.HexToAddress("123abc"))
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wantKey := "key"
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wantValue := "value"
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if put {
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err = node.Put([]byte(wantKey), []byte(wantValue))
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if err != nil {
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t.Fatal(err)
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}
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}
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gotValue, err := node.Get([]byte(wantKey))
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if err != nil {
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t.Fatal(err)
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}
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if string(gotValue) != wantValue {
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t.Errorf("got value %s for key %s, want %s", string(gotValue), wantKey, wantValue)
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}
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}
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// findFreeTCPAddress returns a local address (IP:Port) to which
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// global store can listen on.
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func findFreeTCPAddress(t *testing.T) (addr string) {
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t.Helper()
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listener, err := net.Listen("tcp", "")
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if err != nil {
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t.Fatal(err)
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}
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defer listener.Close()
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return listener.Addr().String()
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}
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