// Copyright 2016 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 api
import (
"bytes"
"io/ioutil"
"os"
"path/filepath"
"sync"
"testing"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/swarm/storage"
)
var testDownloadDir, _ = ioutil.TempDir(os.TempDir(), "bzz-test")
func testFileSystem(t *testing.T, f func(*FileSystem)) {
testApi(t, func(api *Api) {
f(NewFileSystem(api))
})
}
func readPath(t *testing.T, parts ...string) string {
file := filepath.Join(parts...)
content, err := ioutil.ReadFile(file)
if err != nil {
t.Fatalf("unexpected error reading '%v': %v", file, err)
}
return string(content)
}
func TestApiDirUpload0(t *testing.T) {
testFileSystem(t, func(fs *FileSystem) {
api := fs.api
bzzhash, err := fs.Upload(filepath.Join("testdata", "test0"), "")
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
content := readPath(t, "testdata", "test0", "index.html")
resp := testGet(t, api, bzzhash, "index.html")
exp := expResponse(content, "text/html; charset=utf-8", 0)
checkResponse(t, resp, exp)
content = readPath(t, "testdata", "test0", "index.css")
resp = testGet(t, api, bzzhash, "index.css")
exp = expResponse(content, "text/css", 0)
checkResponse(t, resp, exp)
key := storage.Key(common.Hex2Bytes(bzzhash))
_, _, _, err = api.Get(key, "")
if err == nil {
t.Fatalf("expected error: %v", err)
}
downloadDir := filepath.Join(testDownloadDir, "test0")
defer os.RemoveAll(downloadDir)
err = fs.Download(bzzhash, downloadDir)
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
newbzzhash, err := fs.Upload(downloadDir, "")
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
if bzzhash != newbzzhash {
t.Fatalf("download %v reuploaded has incorrect hash, expected %v, got %v", downloadDir, bzzhash, newbzzhash)
}
})
}
func TestApiDirUploadModify(t *testing.T) {
testFileSystem(t, func(fs *FileSystem) {
api := fs.api
bzzhash, err := fs.Upload(filepath.Join("testdata", "test0"), "")
if err != nil {
t.Errorf("unexpected error: %v", err)
return
}
key := storage.Key(common.Hex2Bytes(bzzhash))
key, err = api.Modify(key, "index.html", "", "")
if err != nil {
t.Errorf("unexpected error: %v", err)
return
}
index, err := ioutil.ReadFile(filepath.Join("testdata", "test0", "index.html"))
if err != nil {
t.Errorf("unexpected error: %v", err)
return
}
wg := &sync.WaitGroup{}
hash, err := api.Store(bytes.NewReader(index), int64(len(index)), wg)
wg.Wait()
if err != nil {
t.Errorf("unexpected error: %v", err)
return
}
key, err = api.Modify(key, "index2.html", hash.Hex(), "text/html; charset=utf-8")
if err != nil {
t.Errorf("unexpected error: %v", err)
return
}
key, err = api.Modify(key, "img/logo.png", hash.Hex(), "text/html; charset=utf-8")
if err != nil {
t.Errorf("unexpected error: %v", err)
return
}
bzzhash = key.String()
content := readPath(t, "testdata", "test0", "index.html")
resp := testGet(t, api, bzzhash, "index2.html")
exp := expResponse(content, "text/html; charset=utf-8", 0)
checkResponse(t, resp, exp)
resp = testGet(t, api, bzzhash, "img/logo.png")
exp = expResponse(content, "text/html; charset=utf-8", 0)
checkResponse(t, resp, exp)
content = readPath(t, "testdata", "test0", "index.css")
resp = testGet(t, api, bzzhash, "index.css")
exp = expResponse(content, "text/css", 0)
checkResponse(t, resp, exp)
_, _, _, err = api.Get(key, "")
if err == nil {
t.Errorf("expected error: %v", err)
}
})
}
func TestApiDirUploadWithRootFile(t *testing.T) {
testFileSystem(t, func(fs *FileSystem) {
api := fs.api
bzzhash, err := fs.Upload(filepath.Join("testdata", "test0"), "index.html")
if err != nil {
t.Errorf("unexpected error: %v", err)
return
}
content := readPath(t, "testdata", "test0", "index.html")
resp := testGet(t, api, bzzhash, "")
exp := expResponse(content, "text/html; charset=utf-8", 0)
checkResponse(t, resp, exp)
})
}
func TestApiFileUpload(t *testing.T) {
testFileSystem(t, func(fs *FileSystem) {
api := fs.api
bzzhash, err := fs.Upload(filepath.Join("testdata", "test0", "index.html"), "")
if err != nil {
t.Errorf("unexpected error: %v", err)
return
}
content := readPath(t, "testdata", "test0", "index.html")
resp := testGet(t, api, bzzhash, "index.html")
exp := expResponse(content, "text/html; charset=utf-8", 0)
checkResponse(t, resp, exp)
})
}
func TestApiFileUploadWithRootFile(t *testing.T) {
testFileSystem(t, func(fs *FileSystem) {
api := fs.api
bzzhash, err := fs.Upload(filepath.Join("testdata", "test0", "index.html"), "index.html")
if err != nil {
t.Errorf("unexpected error: %v", err)
return
}
content := readPath(t, "testdata", "test0", "index.html")
resp := testGet(t, api, bzzhash, "")
exp := expResponse(content, "text/html; charset=utf-8", 0)
checkResponse(t, resp, exp)
})
}
