kubo/importer/importer_test.go
Steven Allen 3eba14aa24 gx update
Updates:

* go-kad-dht: Query performance improvements, DHT client fixes, validates
  records on *local* put.
* go-libp2p-swarm/go-libp2p-transport: Timeout improvements.
* go-multiaddr-net: Exposes useful Conn methods (CloseWrite, CloseRead, etc.)
* go-log: fixes possible panic when enabling/disabling events.
* go-multiaddr: fixes possible panic when stringifying malformed multiaddrs,
  adds support for consuming /p2p/ multiaddrs.

fixes #5113
unblocks #4895

License: MIT
Signed-off-by: Steven Allen <steven@stebalien.com>
2018-06-26 17:11:33 -07:00

119 lines
2.6 KiB
Go

package importer
import (
"bytes"
"context"
"io"
"io/ioutil"
"testing"
mdtest "github.com/ipfs/go-ipfs/merkledag/test"
uio "github.com/ipfs/go-ipfs/unixfs/io"
u "gx/ipfs/QmPdKqUcHGFdeSpvjVoaTRPPstGif9GBZb5Q56RVw9o69A/go-ipfs-util"
ipld "gx/ipfs/QmWi2BYBL5gJ3CiAiQchg6rn1A8iBsrWy51EYxvHVjFvLb/go-ipld-format"
chunker "gx/ipfs/QmXnzH7wowyLZy8XJxxaQCVTgLMcDXdMBznmsrmQWCyiQV/go-ipfs-chunker"
)
func getBalancedDag(t testing.TB, size int64, blksize int64) (ipld.Node, ipld.DAGService) {
ds := mdtest.Mock()
r := io.LimitReader(u.NewTimeSeededRand(), size)
nd, err := BuildDagFromReader(ds, chunker.NewSizeSplitter(r, blksize))
if err != nil {
t.Fatal(err)
}
return nd, ds
}
func getTrickleDag(t testing.TB, size int64, blksize int64) (ipld.Node, ipld.DAGService) {
ds := mdtest.Mock()
r := io.LimitReader(u.NewTimeSeededRand(), size)
nd, err := BuildTrickleDagFromReader(ds, chunker.NewSizeSplitter(r, blksize))
if err != nil {
t.Fatal(err)
}
return nd, ds
}
func TestBalancedDag(t *testing.T) {
ds := mdtest.Mock()
buf := make([]byte, 10000)
u.NewTimeSeededRand().Read(buf)
r := bytes.NewReader(buf)
nd, err := BuildDagFromReader(ds, chunker.DefaultSplitter(r))
if err != nil {
t.Fatal(err)
}
dr, err := uio.NewDagReader(context.Background(), nd, ds)
if err != nil {
t.Fatal(err)
}
out, err := ioutil.ReadAll(dr)
if err != nil {
t.Fatal(err)
}
if !bytes.Equal(out, buf) {
t.Fatal("bad read")
}
}
func BenchmarkBalancedReadSmallBlock(b *testing.B) {
b.StopTimer()
nbytes := int64(10000000)
nd, ds := getBalancedDag(b, nbytes, 4096)
b.SetBytes(nbytes)
b.StartTimer()
runReadBench(b, nd, ds)
}
func BenchmarkTrickleReadSmallBlock(b *testing.B) {
b.StopTimer()
nbytes := int64(10000000)
nd, ds := getTrickleDag(b, nbytes, 4096)
b.SetBytes(nbytes)
b.StartTimer()
runReadBench(b, nd, ds)
}
func BenchmarkBalancedReadFull(b *testing.B) {
b.StopTimer()
nbytes := int64(10000000)
nd, ds := getBalancedDag(b, nbytes, chunker.DefaultBlockSize)
b.SetBytes(nbytes)
b.StartTimer()
runReadBench(b, nd, ds)
}
func BenchmarkTrickleReadFull(b *testing.B) {
b.StopTimer()
nbytes := int64(10000000)
nd, ds := getTrickleDag(b, nbytes, chunker.DefaultBlockSize)
b.SetBytes(nbytes)
b.StartTimer()
runReadBench(b, nd, ds)
}
func runReadBench(b *testing.B, nd ipld.Node, ds ipld.DAGService) {
for i := 0; i < b.N; i++ {
ctx, cancel := context.WithCancel(context.Background())
read, err := uio.NewDagReader(ctx, nd, ds)
if err != nil {
b.Fatal(err)
}
_, err = read.WriteTo(ioutil.Discard)
if err != nil && err != io.EOF {
b.Fatal(err)
}
cancel()
}
}