torrent/testutil/testutil.go

53 lines
1.2 KiB
Go

// Package testutil contains stuff for testing torrent-related behaviour.
//
// "greeting" is a single-file torrent of a file called "greeting" that
// "contains "hello, world\n".
package testutil
import (
"io"
"io/ioutil"
"os"
"path/filepath"
metainfo "github.com/nsf/libtorgo/torrent"
"bytes"
)
const GreetingFileContents = "hello, world\n"
func CreateDummyTorrentData(dirName string) string {
f, _ := os.Create(filepath.Join(dirName, "greeting"))
f.WriteString("hello, world\n")
return f.Name()
}
func CreateMetaInfo(name string, w io.Writer) {
builder := metainfo.Builder{}
builder.AddFile(name)
builder.AddAnnounceGroup([]string{"lol://cheezburger"})
batch, err := builder.Submit()
if err != nil {
panic(err)
}
errs, _ := batch.Start(w, 1)
<-errs
}
// Gives a temporary directory containing the completed "greeting" torrent,
// and a corresponding metainfo describing it. The temporary directory can be
// cleaned away with os.RemoveAll.
func GreetingTestTorrent() (tempDir string, metaInfo *metainfo.MetaInfo) {
tempDir, err := ioutil.TempDir(os.TempDir(), "")
if err != nil {
panic(err)
}
name := CreateDummyTorrentData(tempDir)
w := &bytes.Buffer{}
CreateMetaInfo(name, w)
metaInfo, _ = metainfo.Load(w)
return
}