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path: root/bencode/bencode_test.go
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package bencode

import (
	"encoding/hex"
	"io/ioutil"
	"testing"
	"time"

	"dim13.org/btr/meta"
)

func TestMarshal(t *testing.T) {
	v := meta.Torrent{
		Announce:     "test",
		AnnounceList: []string{"test1", "test2", "test3"},
		CreationDate: time.Now(),
		Info: meta.Info{
			Length: 1000,
			Files: []meta.File{
				{Path: []string{"A"}},
				{Path: []string{"B"}},
			},
		},
	}
	out, err := Marshal(v)
	if err != nil {
		t.Error(err)
	}
	t.Logf("%q\n", string(out))
}

func TestParseString(t *testing.T) {
	in := "4:testZZZ"
	s, l := parseString([]byte(in))
	if s != "test" || l != 6 {
		t.Error("expected test, got", s)
	}
}

func TestParseInt(t *testing.T) {
	in := "i12345e999"
	i, l := parseInt([]byte(in))
	if i != 12345 || l != 7 {
		t.Error("expected 12345, got", i)
	}
}

var testCase = []struct {
	Torrent  string
	InfoHash string
}{
	{
		Torrent:  "../examples/OpenBSD_5.9_amd64_install59.iso-2016-03-29-0449.torrent",
		InfoHash: "e840038dea1998c39614dcd28594501df02bd32d",
	},
	{
		Torrent:  "../examples/OpenBSD_songs_ogg-2016-03-25-0127.torrent",
		InfoHash: "1aa5af9f6f533961a65169bdeeb801e611724d32",
	},
	{
		Torrent:  "../examples/debian-8.5.0-amd64-netinst.iso.torrent",
		InfoHash: "47b9ad52c009f3bd562ffc6da40e5c55d3fb47f3",
	},
}

func TestUnmarshal(t *testing.T) {
	for _, tc := range testCase {
		var tor meta.Torrent
		body, err := ioutil.ReadFile(tc.Torrent)
		if err != nil {
			t.Error(err)
		}
		sum, err := Unmarshal(body, &tor)
		if err != nil {
			t.Error(err)
		}
		h := hex.EncodeToString(sum)
		if h != tc.InfoHash {
			t.Error("got", h, "expected", tc.InfoHash)
		}
	}
}