func TestCallbacksWork(t *testing.T) {
fake := new(FakeStream)
var sent int64
var recv int64
sentCB := func(n int64, proto protocol.ID, p peer.ID) {
sent += n
}
recvCB := func(n int64, proto protocol.ID, p peer.ID) {
recv += n
}
ms := newMeteredStream(fake, protocol.ID("TEST"), peer.ID("PEER"), recvCB, sentCB)
toWrite := int64(100000)
toRead := int64(100000)
fake.ReadBuf = io.LimitReader(u.NewTimeSeededRand(), toRead)
writeData := io.LimitReader(u.NewTimeSeededRand(), toWrite)
n, err := io.Copy(ms, writeData)
if err != nil {
t.Fatal(err)
}
if n != toWrite {
t.Fatal("incorrect write amount")
}
if toWrite != sent {
t.Fatal("incorrectly reported writes", toWrite, sent)
}
n, err = io.Copy(ioutil.Discard, ms)
if err != nil {
t.Fatal(err)
}
if n != toRead {
t.Fatal("incorrect read amount")
}
if toRead != recv {
t.Fatal("incorrectly reported reads")
}
}
func randBuf(t *testing.T, size int) []byte {
buf := make([]byte, size)
if _, err := u.NewTimeSeededRand().Read(buf); err != nil {
t.Fatal("failed to read enough randomness")
}
return buf
}
func RandTestBogusPrivateKey() (TestBogusPrivateKey, error) {
r := u.NewTimeSeededRand()
k := make([]byte, 5)
if _, err := io.ReadFull(r, k); err != nil {
return nil, err
}
return TestBogusPrivateKey(k), nil
}
// RandPeerID generates random "valid" peer IDs. it does not NEED to generate
// keys because it is as if we lost the key right away. fine to read randomness
// and hash it. to generate proper keys and corresponding PeerID, use:
// sk, pk, _ := testutil.RandKeyPair()
// id, _ := peer.IDFromPublicKey(pk)
func RandPeerID() (peer.ID, error) {
buf := make([]byte, 16)
if _, err := io.ReadFull(u.NewTimeSeededRand(), buf); err != nil {
return "", err
}
h := u.Hash(buf)
return peer.ID(h), nil
}
func TestBatchFetch(t *testing.T) {
read := io.LimitReader(u.NewTimeSeededRand(), 1024*32)
runBatchFetchTest(t, read)
}