lotus/extern/sector-storage/fr32/readers_test.go

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package fr32_test
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import (
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"bufio"
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"bytes"
"io/ioutil"
"testing"
"github.com/stretchr/testify/require"
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"github.com/filecoin-project/go-state-types/abi"
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"github.com/filecoin-project/lotus/extern/sector-storage/fr32"
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)
func TestUnpadReader(t *testing.T) {
ps := abi.PaddedPieceSize(64 << 20).Unpadded()
raw := bytes.Repeat([]byte{0x77}, int(ps))
padOut := make([]byte, ps.Padded())
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fr32.Pad(raw, padOut)
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r, err := fr32.NewUnpadReader(bytes.NewReader(padOut), ps.Padded())
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if err != nil {
t.Fatal(err)
}
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// using bufio reader to make sure reads are big enough for the padreader - it can't handle small reads right now
readered, err := ioutil.ReadAll(bufio.NewReaderSize(r, 512))
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if err != nil {
t.Fatal(err)
}
require.Equal(t, raw, readered)
}