// Copyright 2018 The go-ethereum Authors
// This file is part of go-ethereum.
//
// go-ethereum is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// go-ethereum 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 General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
// +build linux darwin freebsd
package main
import (
"bytes"
"io"
"io/ioutil"
"os"
"path/filepath"
"strings"
"testing"
"time"
"github.com/ethereum/go-ethereum/log"
colorable "github.com/mattn/go-colorable"
)
func init() {
log.PrintOrigins(true)
log.Root().SetHandler(log.LvlFilterHandler(log.Lvl(*loglevel), log.StreamHandler(colorable.NewColorableStderr(), log.TerminalFormat(true))))
}
type testFile struct {
filePath string
content string
}
// TestCLISwarmFs is a high-level test of swarmfs
func TestCLISwarmFs(t *testing.T) {
cluster := newTestCluster(t, 3)
defer cluster.Shutdown()
// create a tmp dir
mountPoint, err := ioutil.TempDir("", "swarm-test")
log.Debug("swarmfs cli test", "1st mount", mountPoint)
if err != nil {
t.Fatal(err)
}
defer os.RemoveAll(mountPoint)
handlingNode := cluster.Nodes[0]
mhash := doUploadEmptyDir(t, handlingNode)
log.Debug("swarmfs cli test: mounting first run", "ipc path", filepath.Join(handlingNode.Dir, handlingNode.IpcPath))
mount := runSwarm(t, []string{
"fs",
"mount",
"--ipcpath", filepath.Join(handlingNode.Dir, handlingNode.IpcPath),
mhash,
mountPoint,
}...)
mount.ExpectExit()
filesToAssert := []*testFile{}
dirPath, err := createDirInDir(mountPoint, "testSubDir")
if err != nil {
t.Fatal(err)
}
dirPath2, err := createDirInDir(dirPath, "AnotherTestSubDir")
dummyContent := "somerandomtestcontentthatshouldbeasserted"
dirs := []string{
mountPoint,
dirPath,
dirPath2,
}
files := []string{"f1.tmp", "f2.tmp"}
for _, d := range dirs {
for _, entry := range files {
tFile, err := createTestFileInPath(d, entry, dummyContent)
if err != nil {
t.Fatal(err)
}
filesToAssert = append(filesToAssert, tFile)
}
}
if len(filesToAssert) != len(dirs)*len(files) {
t.Fatalf("should have %d files to assert now, got %d", len(dirs)*len(files), len(filesToAssert))
}
hashRegexp := `[a-f\d]{64}`
log.Debug("swarmfs cli test: unmounting first run...", "ipc path", filepath.Join(handlingNode.Dir, handlingNode.IpcPath))
unmount := runSwarm(t, []string{
"fs",
"unmount",
"--ipcpath", filepath.Join(handlingNode.Dir, handlingNode.IpcPath),
mountPoint,
}...)
_, matches := unmount.ExpectRegexp(hashRegexp)
unmount.ExpectExit()
hash := matches[0]
if hash == mhash {
t.Fatal("this should not be equal")
}
log.Debug("swarmfs cli test: asserting no files in mount point")
//check that there's nothing in the mount folder
filesInDir, err := ioutil.ReadDir(mountPoint)
if err != nil {
t.Fatalf("had an error reading the directory: %v", err)
}
if len(filesInDir) != 0 {
t.Fatal("there shouldn't be anything here")
}
secondMountPoint, err := ioutil.TempDir("", "swarm-test")
log.Debug("swarmfs cli test", "2nd mount point at", secondMountPoint)
if err != nil {
t.Fatal(err)
}
defer os.RemoveAll(secondMountPoint)
log.Debug("swarmfs cli test: remounting at second mount point", "ipc path", filepath.Join(handlingNode.Dir, handlingNode.IpcPath))
//remount, check files
newMount := runSwarm(t, []string{
"fs",
"mount",
"--ipcpath", filepath.Join(handlingNode.Dir, handlingNode.IpcPath),
hash, // the latest hash
secondMountPoint,
}...)
newMount.ExpectExit()
time.Sleep(1 * time.Second)
filesInDir, err = ioutil.ReadDir(secondMountPoint)
if err != nil {
t.Fatal(err)
}
if len(filesInDir) == 0 {
t.Fatal("there should be something here")
}
log.Debug("swarmfs cli test: traversing file tree to see it matches previous mount")
for _, file := range filesToAssert {
file.filePath = strings.Replace(file.filePath, mountPoint, secondMountPoint, -1)
fileBytes, err := ioutil.ReadFile(file.filePath)
if err != nil {
t.Fatal(err)
}
if !bytes.Equal(fileBytes, bytes.NewBufferString(file.content).Bytes()) {
t.Fatal("this should be equal")
}
}
log.Debug("swarmfs cli test: unmounting second run", "ipc path", filepath.Join(handlingNode.Dir, handlingNode.IpcPath))
unmountSec := runSwarm(t, []string{
"fs",
"unmount",
"--ipcpath", filepath.Join(handlingNode.Dir, handlingNode.IpcPath),
secondMountPoint,
}...)
_, matches = unmountSec.ExpectRegexp(hashRegexp)
unmountSec.ExpectExit()
if matches[0] != hash {
t.Fatal("these should be equal - no changes made")
}
}
func doUploadEmptyDir(t *testing.T, node *testNode) string {
// create a tmp dir
tmpDir, err := ioutil.TempDir("", "swarm-test")
if err != nil {
t.Fatal(err)
}
defer os.RemoveAll(tmpDir)
hashRegexp := `[a-f\d]{64}`
flags := []string{
"--bzzapi", node.URL,
"--recursive",
"up",
tmpDir}
log.Info("swarmfs cli test: uploading dir with 'swarm up'")
up := runSwarm(t, flags...)
_, matches := up.ExpectRegexp(hashRegexp)
up.ExpectExit()
hash := matches[0]
log.Info("swarmfs cli test: dir uploaded", "hash", hash)
return hash
}
func createDirInDir(createInDir string, dirToCreate string) (string, error) {
fullpath := filepath.Join(createInDir, dirToCreate)
err := os.MkdirAll(fullpath, 0777)
if err != nil {
return "", err
}
return fullpath, nil
}
func createTestFileInPath(dir, filename, content string) (*testFile, error) {
tFile := &testFile{}
filePath := filepath.Join(dir, filename)
if file, err := os.Create(filePath); err == nil {
tFile.content = content
tFile.filePath = filePath
_, err = io.WriteString(file, content)
if err != nil {
return nil, err
}
file.Close()
}
return tFile, nil
}
