plugeth/swarm/api/client/client_test.go

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// 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 client
import (
"bytes"
"io/ioutil"
"os"
"path/filepath"
"reflect"
"sort"
"testing"
"github.com/ethereum/go-ethereum/swarm/api"
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swarmhttp "github.com/ethereum/go-ethereum/swarm/api/http"
"github.com/ethereum/go-ethereum/swarm/testutil"
)
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func serverFunc(api *api.API) testutil.TestServer {
return swarmhttp.NewServer(api, "")
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}
// TestClientUploadDownloadRaw test uploading and downloading raw data to swarm
func TestClientUploadDownloadRaw(t *testing.T) {
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testClientUploadDownloadRaw(false, t)
}
func TestClientUploadDownloadRawEncrypted(t *testing.T) {
testClientUploadDownloadRaw(true, t)
}
func testClientUploadDownloadRaw(toEncrypt bool, t *testing.T) {
srv := testutil.NewTestSwarmServer(t, serverFunc)
defer srv.Close()
client := NewClient(srv.URL)
// upload some raw data
data := []byte("foo123")
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hash, err := client.UploadRaw(bytes.NewReader(data), int64(len(data)), toEncrypt)
if err != nil {
t.Fatal(err)
}
// check we can download the same data
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res, isEncrypted, err := client.DownloadRaw(hash)
if err != nil {
t.Fatal(err)
}
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if isEncrypted != toEncrypt {
t.Fatalf("Expected encyption status %v got %v", toEncrypt, isEncrypted)
}
defer res.Close()
gotData, err := ioutil.ReadAll(res)
if err != nil {
t.Fatal(err)
}
if !bytes.Equal(gotData, data) {
t.Fatalf("expected downloaded data to be %q, got %q", data, gotData)
}
}
// TestClientUploadDownloadFiles test uploading and downloading files to swarm
// manifests
func TestClientUploadDownloadFiles(t *testing.T) {
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testClientUploadDownloadFiles(false, t)
}
func TestClientUploadDownloadFilesEncrypted(t *testing.T) {
testClientUploadDownloadFiles(true, t)
}
func testClientUploadDownloadFiles(toEncrypt bool, t *testing.T) {
srv := testutil.NewTestSwarmServer(t, serverFunc)
defer srv.Close()
client := NewClient(srv.URL)
upload := func(manifest, path string, data []byte) string {
file := &File{
ReadCloser: ioutil.NopCloser(bytes.NewReader(data)),
ManifestEntry: api.ManifestEntry{
Path: path,
ContentType: "text/plain",
Size: int64(len(data)),
},
}
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hash, err := client.Upload(file, manifest, toEncrypt)
if err != nil {
t.Fatal(err)
}
return hash
}
checkDownload := func(manifest, path string, expected []byte) {
file, err := client.Download(manifest, path)
if err != nil {
t.Fatal(err)
}
defer file.Close()
if file.Size != int64(len(expected)) {
t.Fatalf("expected downloaded file to be %d bytes, got %d", len(expected), file.Size)
}
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if file.ContentType != "text/plain" {
t.Fatalf("expected downloaded file to have type %q, got %q", "text/plain", file.ContentType)
}
data, err := ioutil.ReadAll(file)
if err != nil {
t.Fatal(err)
}
if !bytes.Equal(data, expected) {
t.Fatalf("expected downloaded data to be %q, got %q", expected, data)
}
}
// upload a file to the root of a manifest
rootData := []byte("some-data")
rootHash := upload("", "", rootData)
// check we can download the root file
checkDownload(rootHash, "", rootData)
// upload another file to the same manifest
otherData := []byte("some-other-data")
newHash := upload(rootHash, "some/other/path", otherData)
// check we can download both files from the new manifest
checkDownload(newHash, "", rootData)
checkDownload(newHash, "some/other/path", otherData)
// replace the root file with different data
newHash = upload(newHash, "", otherData)
// check both files have the other data
checkDownload(newHash, "", otherData)
checkDownload(newHash, "some/other/path", otherData)
}
var testDirFiles = []string{
"file1.txt",
"file2.txt",
"dir1/file3.txt",
"dir1/file4.txt",
"dir2/file5.txt",
"dir2/dir3/file6.txt",
"dir2/dir4/file7.txt",
"dir2/dir4/file8.txt",
}
func newTestDirectory(t *testing.T) string {
dir, err := ioutil.TempDir("", "swarm-client-test")
if err != nil {
t.Fatal(err)
}
for _, file := range testDirFiles {
path := filepath.Join(dir, file)
if err := os.MkdirAll(filepath.Dir(path), 0755); err != nil {
os.RemoveAll(dir)
t.Fatalf("error creating dir for %s: %s", path, err)
}
if err := ioutil.WriteFile(path, []byte(file), 0644); err != nil {
os.RemoveAll(dir)
t.Fatalf("error writing file %s: %s", path, err)
}
}
return dir
}
// TestClientUploadDownloadDirectory tests uploading and downloading a
// directory of files to a swarm manifest
func TestClientUploadDownloadDirectory(t *testing.T) {
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srv := testutil.NewTestSwarmServer(t, serverFunc)
defer srv.Close()
dir := newTestDirectory(t)
defer os.RemoveAll(dir)
// upload the directory
client := NewClient(srv.URL)
defaultPath := filepath.Join(dir, testDirFiles[0])
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hash, err := client.UploadDirectory(dir, defaultPath, "", false)
if err != nil {
t.Fatalf("error uploading directory: %s", err)
}
// check we can download the individual files
checkDownloadFile := func(path string, expected []byte) {
file, err := client.Download(hash, path)
if err != nil {
t.Fatal(err)
}
defer file.Close()
data, err := ioutil.ReadAll(file)
if err != nil {
t.Fatal(err)
}
if !bytes.Equal(data, expected) {
t.Fatalf("expected data to be %q, got %q", expected, data)
}
}
for _, file := range testDirFiles {
checkDownloadFile(file, []byte(file))
}
// check we can download the default path
checkDownloadFile("", []byte(testDirFiles[0]))
// check we can download the directory
tmp, err := ioutil.TempDir("", "swarm-client-test")
if err != nil {
t.Fatal(err)
}
defer os.RemoveAll(tmp)
if err := client.DownloadDirectory(hash, "", tmp); err != nil {
t.Fatal(err)
}
for _, file := range testDirFiles {
data, err := ioutil.ReadFile(filepath.Join(tmp, file))
if err != nil {
t.Fatal(err)
}
if !bytes.Equal(data, []byte(file)) {
t.Fatalf("expected data to be %q, got %q", file, data)
}
}
}
// TestClientFileList tests listing files in a swarm manifest
func TestClientFileList(t *testing.T) {
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testClientFileList(false, t)
}
func TestClientFileListEncrypted(t *testing.T) {
testClientFileList(true, t)
}
func testClientFileList(toEncrypt bool, t *testing.T) {
srv := testutil.NewTestSwarmServer(t, serverFunc)
defer srv.Close()
dir := newTestDirectory(t)
defer os.RemoveAll(dir)
client := NewClient(srv.URL)
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hash, err := client.UploadDirectory(dir, "", "", toEncrypt)
if err != nil {
t.Fatalf("error uploading directory: %s", err)
}
ls := func(prefix string) []string {
list, err := client.List(hash, prefix)
if err != nil {
t.Fatal(err)
}
paths := make([]string, 0, len(list.CommonPrefixes)+len(list.Entries))
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paths = append(paths, list.CommonPrefixes...)
for _, entry := range list.Entries {
paths = append(paths, entry.Path)
}
sort.Strings(paths)
return paths
}
tests := map[string][]string{
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"": {"dir1/", "dir2/", "file1.txt", "file2.txt"},
"file": {"file1.txt", "file2.txt"},
"file1": {"file1.txt"},
"file2.txt": {"file2.txt"},
"file12": {},
"dir": {"dir1/", "dir2/"},
"dir1": {"dir1/"},
"dir1/": {"dir1/file3.txt", "dir1/file4.txt"},
"dir1/file": {"dir1/file3.txt", "dir1/file4.txt"},
"dir1/file3.txt": {"dir1/file3.txt"},
"dir1/file34": {},
"dir2/": {"dir2/dir3/", "dir2/dir4/", "dir2/file5.txt"},
"dir2/file": {"dir2/file5.txt"},
"dir2/dir": {"dir2/dir3/", "dir2/dir4/"},
"dir2/dir3/": {"dir2/dir3/file6.txt"},
"dir2/dir4/": {"dir2/dir4/file7.txt", "dir2/dir4/file8.txt"},
"dir2/dir4/file": {"dir2/dir4/file7.txt", "dir2/dir4/file8.txt"},
"dir2/dir4/file7.txt": {"dir2/dir4/file7.txt"},
"dir2/dir4/file78": {},
}
for prefix, expected := range tests {
actual := ls(prefix)
if !reflect.DeepEqual(actual, expected) {
t.Fatalf("expected prefix %q to return %v, got %v", prefix, expected, actual)
}
}
}
// TestClientMultipartUpload tests uploading files to swarm using a multipart
// upload
func TestClientMultipartUpload(t *testing.T) {
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srv := testutil.NewTestSwarmServer(t, serverFunc)
defer srv.Close()
// define an uploader which uploads testDirFiles with some data
data := []byte("some-data")
uploader := UploaderFunc(func(upload UploadFn) error {
for _, name := range testDirFiles {
file := &File{
ReadCloser: ioutil.NopCloser(bytes.NewReader(data)),
ManifestEntry: api.ManifestEntry{
Path: name,
ContentType: "text/plain",
Size: int64(len(data)),
},
}
if err := upload(file); err != nil {
return err
}
}
return nil
})
// upload the files as a multipart upload
client := NewClient(srv.URL)
hash, err := client.MultipartUpload("", uploader)
if err != nil {
t.Fatal(err)
}
// check we can download the individual files
checkDownloadFile := func(path string) {
file, err := client.Download(hash, path)
if err != nil {
t.Fatal(err)
}
defer file.Close()
gotData, err := ioutil.ReadAll(file)
if err != nil {
t.Fatal(err)
}
if !bytes.Equal(gotData, data) {
t.Fatalf("expected data to be %q, got %q", data, gotData)
}
}
for _, file := range testDirFiles {
checkDownloadFile(file)
}
}