116 lines
2.8 KiB
Go
116 lines
2.8 KiB
Go
package zerocomm_test
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import (
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"bytes"
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"fmt"
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"io"
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"testing"
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commcid "github.com/filecoin-project/go-fil-commcid"
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abi "github.com/filecoin-project/specs-actors/actors/abi"
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"github.com/ipfs/go-cid"
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"github.com/filecoin-project/sector-storage/ffiwrapper"
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"github.com/filecoin-project/sector-storage/zerocomm"
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)
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func TestComms(t *testing.T) {
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t.Skip("don't have enough ram") // no, but seriously, currently this needs like 3tb of /tmp
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var expPieceComms [zerocomm.Levels - zerocomm.Skip]cid.Cid
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{
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l2, err := ffiwrapper.GeneratePieceCIDFromFile(abi.RegisteredSealProof_StackedDrg2KiBV1, bytes.NewReader(make([]byte, 127)), 127)
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if err != nil {
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t.Fatal(err)
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}
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expPieceComms[0] = l2
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}
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for i := 1; i < zerocomm.Levels-2; i++ {
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var err error
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sz := abi.UnpaddedPieceSize(127 << uint(i))
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fmt.Println(i, sz)
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r := io.LimitReader(&NullReader{}, int64(sz))
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expPieceComms[i], err = ffiwrapper.GeneratePieceCIDFromFile(abi.RegisteredSealProof_StackedDrg2KiBV1, r, sz)
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if err != nil {
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t.Fatal(err)
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}
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}
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for i, comm := range expPieceComms {
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c, err := commcid.CIDToPieceCommitmentV1(comm)
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if err != nil {
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t.Fatal(err)
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}
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if string(c) != string(zerocomm.PieceComms[i][:]) {
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t.Errorf("zero commitment %d didn't match", i)
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}
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}
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for _, comm := range expPieceComms { // Could do codegen, but this is good enough
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fmt.Printf("%#v,\n", comm)
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}
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}
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func TestCommsSmall(t *testing.T) {
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var expPieceComms [8]cid.Cid
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lvls := len(expPieceComms) + zerocomm.Skip
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{
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l2, err := ffiwrapper.GeneratePieceCIDFromFile(abi.RegisteredSealProof_StackedDrg2KiBV1, bytes.NewReader(make([]byte, 127)), 127)
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if err != nil {
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t.Fatal(err)
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}
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expPieceComms[0] = l2
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}
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for i := 1; i < lvls-2; i++ {
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var err error
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sz := abi.UnpaddedPieceSize(127 << uint(i))
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fmt.Println(i, sz)
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r := io.LimitReader(&NullReader{}, int64(sz))
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expPieceComms[i], err = ffiwrapper.GeneratePieceCIDFromFile(abi.RegisteredSealProof_StackedDrg2KiBV1, r, sz)
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if err != nil {
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t.Fatal(err)
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}
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}
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for i, comm := range expPieceComms {
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c, err := commcid.CIDToPieceCommitmentV1(comm)
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if err != nil {
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t.Fatal(err)
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}
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if string(c) != string(zerocomm.PieceComms[i][:]) {
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t.Errorf("zero commitment %d didn't match", i)
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}
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}
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for _, comm := range expPieceComms { // Could do codegen, but this is good enough
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fmt.Printf("%#v,\n", comm)
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}
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}
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func TestForSise(t *testing.T) {
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exp, err := ffiwrapper.GeneratePieceCIDFromFile(abi.RegisteredSealProof_StackedDrg2KiBV1, bytes.NewReader(make([]byte, 1016)), 1016)
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if err != nil {
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return
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}
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actual := zerocomm.ZeroPieceCommitment(1016)
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if !exp.Equals(actual) {
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t.Errorf("zero commitment didn't match")
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}
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}
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type NullReader struct{}
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func (NullReader) Read(out []byte) (int, error) {
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for i := range out {
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out[i] = 0
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}
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return len(out), nil
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}
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