// Prepare a Torrent without any attachment to a Client. That means we can
// initialize fields all fields that don't require the Client without locking
// it.
func (cl *Client) newTorrent(ih metainfo.Hash) (t *Torrent) {
t = &Torrent{
cl: cl,
infoHash: ih,
chunkSize: defaultChunkSize,
peers: make(map[peersKey]Peer),
halfOpen: make(map[string]struct{}),
pieceStateChanges: pubsub.NewPubSub(),
storageOpener: cl.defaultStorage,
}
return
}
func TestTorrentInitialState(t *testing.T) {
dir, mi := testutil.GreetingTestTorrent()
defer os.RemoveAll(dir)
tor := &Torrent{
infoHash: mi.Info.Hash(),
pieceStateChanges: pubsub.NewPubSub(),
}
tor.chunkSize = 2
tor.storageOpener = storage.NewFile("/dev/null")
// Needed to lock for asynchronous piece verification.
tor.cl = new(Client)
err := tor.setInfoBytes(mi.Info.Bytes)
require.NoError(t, err)
require.Len(t, tor.pieces, 3)
tor.pendAllChunkSpecs(0)
tor.cl.mu.Lock()
assert.EqualValues(t, 3, tor.pieceNumPendingChunks(0))
tor.cl.mu.Unlock()
assert.EqualValues(t, chunkSpec{4, 1}, chunkIndexSpec(2, tor.pieceLength(0), tor.chunkSize))
}