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path: root/meta/torrent_test.go
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package meta

import (
	"io/ioutil"
	"testing"

	"dim13.org/btget/bencode"
)

var tors = map[string]string{
	"bsd": "OpenBSD_5.9_amd64_install59.iso-2016-03-29-0449.torrent",
	"ogg": "OpenBSD_songs_ogg-2016-03-25-0127.torrent",
	"deb": "debian-8.5.0-amd64-netinst.iso.torrent",
	"mul": "multi.torrent",
}

func Open(fname string) (Torrent, error) {
	var tor Torrent
	body, err := ioutil.ReadFile(fname)
	if err != nil {
		return Torrent{}, err
	}
	err = bencode.Unmarshal(body, &tor)
	if err != nil {
		return Torrent{}, err
	}
	return tor, nil
}

func TestPieces(t *testing.T) {
	tor, err := Open("../examples/" + tors["mul"])
	if err != nil {
		t.Error(err)
	}
	for i := 0; i < tor.Info.NPieces(); i++ {
		off := i * tor.Info.PieceLength
		n, foff := tor.Info.FindFile(off)
		t.Log(off, n, foff)
	}
}

func TestPieces2(t *testing.T) {
	tor, err := Open("../examples/" + tors["mul"])
	if err != nil {
		t.Error(err)
	}
	for i, p := range tor.Info.GetPieces() {
		t.Logf("%d %x\n", i, p)
	}
}

func TestReadAt(t *testing.T) {
	t.Skip()
	tor, err := Open("../examples/" + tors["bsd"])
	if err != nil {
		t.Error(err)
	}
	buf := make([]byte, tor.Info.PieceLength)
	n, err := tor.Info.ReadAt(buf, 0)
	if err != nil {
		t.Log(err)
	}
	if n != len(buf) {
		t.Error("expected", len(buf), "got", n)
	}
	//t.Logf("% x\n", buf)
}