lotus/fr32/fr32_ffi_cmp_test.go
2020-05-28 19:49:25 +02:00

67 lines
1.3 KiB
Go

package fr32
import (
"bytes"
"io"
"io/ioutil"
"os"
"testing"
"github.com/stretchr/testify/require"
ffi "github.com/filecoin-project/filecoin-ffi"
"github.com/filecoin-project/specs-actors/actors/abi"
"github.com/filecoin-project/sector-storage/ffiwrapper"
)
func TestWriteTwoPcs(t *testing.T) {
tf, _ := ioutil.TempFile("/tmp/", "scrb-")
paddedSize := abi.PaddedPieceSize(16 << 20)
n := 2
var rawBytes []byte
for i := 0; i < n; i++ {
buf := bytes.Repeat([]byte{0xab * byte(i)}, int(paddedSize.Unpadded()))
rawBytes = append(rawBytes, buf...)
rf, w, _ := ffiwrapper.ToReadableFile(bytes.NewReader(buf), int64(len(buf)))
_, _, _, err := ffi.WriteWithAlignment(abi.RegisteredProof_StackedDRG32GiBSeal, rf, abi.UnpaddedPieceSize(len(buf)), tf, nil)
if err != nil {
panic(err)
}
if err := w(); err != nil {
panic(err)
}
}
if _, err := tf.Seek(io.SeekStart, 0); err != nil {
panic(err)
}
ffiBytes, err := ioutil.ReadAll(tf)
if err != nil {
panic(err)
}
if err := tf.Close(); err != nil {
panic(err)
}
if err := os.Remove(tf.Name()); err != nil {
panic(err)
}
outBytes := make([]byte, int(paddedSize) * n)
Pad(rawBytes, outBytes)
require.Equal(t, ffiBytes, outBytes)
unpadBytes := make([]byte, int(paddedSize.Unpadded()) * n)
Unpad(ffiBytes, unpadBytes)
require.Equal(t, rawBytes, unpadBytes)
}