mirror of
https://gitlab.com/pulsechaincom/go-pulse.git
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7c9314f231
* swarm: propagate ctx, enable opentracing * swarm/tracing: log error when tracing is misconfigured
465 lines
16 KiB
Go
465 lines
16 KiB
Go
// Copyright 2016 The go-ethereum Authors
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// This file is part of the go-ethereum library.
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//
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// The go-ethereum library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// The go-ethereum library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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package storage
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import (
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"bytes"
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"context"
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"crypto/rand"
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"encoding/binary"
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"errors"
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"fmt"
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"io"
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"testing"
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"github.com/ethereum/go-ethereum/crypto/sha3"
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)
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/*
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Tests TreeChunker by splitting and joining a random byte slice
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*/
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type test interface {
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Fatalf(string, ...interface{})
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Logf(string, ...interface{})
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}
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type chunkerTester struct {
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inputs map[uint64][]byte
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t test
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}
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// fakeChunkStore doesn't store anything, just implements the ChunkStore interface
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// It can be used to inject into a hasherStore if you don't want to actually store data just do the
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// hashing
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type fakeChunkStore struct {
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}
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// Put doesn't store anything it is just here to implement ChunkStore
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func (f *fakeChunkStore) Put(context.Context, *Chunk) {
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}
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// Gut doesn't store anything it is just here to implement ChunkStore
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func (f *fakeChunkStore) Get(context.Context, Address) (*Chunk, error) {
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return nil, errors.New("FakeChunkStore doesn't support Get")
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}
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// Close doesn't store anything it is just here to implement ChunkStore
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func (f *fakeChunkStore) Close() {
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}
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func newTestHasherStore(chunkStore ChunkStore, hash string) *hasherStore {
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return NewHasherStore(chunkStore, MakeHashFunc(hash), false)
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}
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func testRandomBrokenData(n int, tester *chunkerTester) {
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data := io.LimitReader(rand.Reader, int64(n))
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brokendata := brokenLimitReader(data, n, n/2)
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buf := make([]byte, n)
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_, err := brokendata.Read(buf)
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if err == nil || err.Error() != "Broken reader" {
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tester.t.Fatalf("Broken reader is not broken, hence broken. Returns: %v", err)
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}
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data = io.LimitReader(rand.Reader, int64(n))
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brokendata = brokenLimitReader(data, n, n/2)
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putGetter := newTestHasherStore(NewMapChunkStore(), SHA3Hash)
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expectedError := fmt.Errorf("Broken reader")
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addr, _, err := TreeSplit(context.TODO(), brokendata, int64(n), putGetter)
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if err == nil || err.Error() != expectedError.Error() {
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tester.t.Fatalf("Not receiving the correct error! Expected %v, received %v", expectedError, err)
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}
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tester.t.Logf(" Key = %v\n", addr)
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}
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func testRandomData(usePyramid bool, hash string, n int, tester *chunkerTester) Address {
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if tester.inputs == nil {
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tester.inputs = make(map[uint64][]byte)
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}
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input, found := tester.inputs[uint64(n)]
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var data io.Reader
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if !found {
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data, input = generateRandomData(n)
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tester.inputs[uint64(n)] = input
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} else {
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data = io.LimitReader(bytes.NewReader(input), int64(n))
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}
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putGetter := newTestHasherStore(NewMapChunkStore(), hash)
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var addr Address
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var wait func(context.Context) error
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var err error
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ctx := context.TODO()
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if usePyramid {
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addr, wait, err = PyramidSplit(ctx, data, putGetter, putGetter)
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} else {
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addr, wait, err = TreeSplit(ctx, data, int64(n), putGetter)
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}
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if err != nil {
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tester.t.Fatalf(err.Error())
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}
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tester.t.Logf(" Key = %v\n", addr)
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err = wait(ctx)
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if err != nil {
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tester.t.Fatalf(err.Error())
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}
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reader := TreeJoin(context.TODO(), addr, putGetter, 0)
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output := make([]byte, n)
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r, err := reader.Read(output)
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if r != n || err != io.EOF {
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tester.t.Fatalf("read error read: %v n = %v err = %v\n", r, n, err)
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}
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if input != nil {
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if !bytes.Equal(output, input) {
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tester.t.Fatalf("input and output mismatch\n IN: %v\nOUT: %v\n", input, output)
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}
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}
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// testing partial read
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for i := 1; i < n; i += 10000 {
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readableLength := n - i
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output := make([]byte, readableLength)
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r, err := reader.ReadAt(output, int64(i))
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if r != readableLength || err != io.EOF {
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tester.t.Fatalf("readAt error with offset %v read: %v n = %v err = %v\n", i, r, readableLength, err)
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}
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if input != nil {
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if !bytes.Equal(output, input[i:]) {
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tester.t.Fatalf("input and output mismatch\n IN: %v\nOUT: %v\n", input[i:], output)
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}
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}
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}
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return addr
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}
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func TestSha3ForCorrectness(t *testing.T) {
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tester := &chunkerTester{t: t}
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size := 4096
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input := make([]byte, size+8)
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binary.LittleEndian.PutUint64(input[:8], uint64(size))
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io.LimitReader(bytes.NewReader(input[8:]), int64(size))
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rawSha3 := sha3.NewKeccak256()
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rawSha3.Reset()
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rawSha3.Write(input)
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rawSha3Output := rawSha3.Sum(nil)
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sha3FromMakeFunc := MakeHashFunc(SHA3Hash)()
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sha3FromMakeFunc.ResetWithLength(input[:8])
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sha3FromMakeFunc.Write(input[8:])
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sha3FromMakeFuncOutput := sha3FromMakeFunc.Sum(nil)
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if len(rawSha3Output) != len(sha3FromMakeFuncOutput) {
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tester.t.Fatalf("Original SHA3 and abstracted Sha3 has different length %v:%v\n", len(rawSha3Output), len(sha3FromMakeFuncOutput))
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}
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if !bytes.Equal(rawSha3Output, sha3FromMakeFuncOutput) {
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tester.t.Fatalf("Original SHA3 and abstracted Sha3 mismatch %v:%v\n", rawSha3Output, sha3FromMakeFuncOutput)
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}
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}
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func TestDataAppend(t *testing.T) {
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sizes := []int{1, 1, 1, 4095, 4096, 4097, 1, 1, 1, 123456, 2345678, 2345678}
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appendSizes := []int{4095, 4096, 4097, 1, 1, 1, 8191, 8192, 8193, 9000, 3000, 5000}
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tester := &chunkerTester{t: t}
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for i := range sizes {
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n := sizes[i]
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m := appendSizes[i]
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if tester.inputs == nil {
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tester.inputs = make(map[uint64][]byte)
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}
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input, found := tester.inputs[uint64(n)]
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var data io.Reader
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if !found {
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data, input = generateRandomData(n)
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tester.inputs[uint64(n)] = input
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} else {
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data = io.LimitReader(bytes.NewReader(input), int64(n))
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}
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chunkStore := NewMapChunkStore()
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putGetter := newTestHasherStore(chunkStore, SHA3Hash)
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ctx := context.TODO()
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addr, wait, err := PyramidSplit(ctx, data, putGetter, putGetter)
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if err != nil {
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tester.t.Fatalf(err.Error())
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}
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err = wait(ctx)
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if err != nil {
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tester.t.Fatalf(err.Error())
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}
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//create a append data stream
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appendInput, found := tester.inputs[uint64(m)]
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var appendData io.Reader
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if !found {
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appendData, appendInput = generateRandomData(m)
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tester.inputs[uint64(m)] = appendInput
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} else {
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appendData = io.LimitReader(bytes.NewReader(appendInput), int64(m))
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}
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putGetter = newTestHasherStore(chunkStore, SHA3Hash)
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newAddr, wait, err := PyramidAppend(ctx, addr, appendData, putGetter, putGetter)
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if err != nil {
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tester.t.Fatalf(err.Error())
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}
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err = wait(ctx)
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if err != nil {
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tester.t.Fatalf(err.Error())
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}
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reader := TreeJoin(ctx, newAddr, putGetter, 0)
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newOutput := make([]byte, n+m)
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r, err := reader.Read(newOutput)
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if r != (n + m) {
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tester.t.Fatalf("read error read: %v n = %v m = %v err = %v\n", r, n, m, err)
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}
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newInput := append(input, appendInput...)
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if !bytes.Equal(newOutput, newInput) {
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tester.t.Fatalf("input and output mismatch\n IN: %v\nOUT: %v\n", newInput, newOutput)
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}
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}
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}
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func TestRandomData(t *testing.T) {
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// This test can validate files up to a relatively short length, as tree chunker slows down drastically.
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// Validation of longer files is done by TestLocalStoreAndRetrieve in swarm package.
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sizes := []int{1, 60, 83, 179, 253, 1024, 4095, 4096, 4097, 8191, 8192, 8193, 12287, 12288, 12289, 524288, 524288 + 1, 524288 + 4097, 7 * 524288, 7*524288 + 1, 7*524288 + 4097}
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tester := &chunkerTester{t: t}
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for _, s := range sizes {
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treeChunkerKey := testRandomData(false, SHA3Hash, s, tester)
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pyramidChunkerKey := testRandomData(true, SHA3Hash, s, tester)
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if treeChunkerKey.String() != pyramidChunkerKey.String() {
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tester.t.Fatalf("tree chunker and pyramid chunker key mismatch for size %v\n TC: %v\n PC: %v\n", s, treeChunkerKey.String(), pyramidChunkerKey.String())
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}
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}
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for _, s := range sizes {
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treeChunkerKey := testRandomData(false, BMTHash, s, tester)
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pyramidChunkerKey := testRandomData(true, BMTHash, s, tester)
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if treeChunkerKey.String() != pyramidChunkerKey.String() {
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tester.t.Fatalf("tree chunker and pyramid chunker key mismatch for size %v\n TC: %v\n PC: %v\n", s, treeChunkerKey.String(), pyramidChunkerKey.String())
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}
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}
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}
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func TestRandomBrokenData(t *testing.T) {
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sizes := []int{1, 60, 83, 179, 253, 1024, 4095, 4096, 4097, 8191, 8192, 8193, 12287, 12288, 12289, 123456, 2345678}
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tester := &chunkerTester{t: t}
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for _, s := range sizes {
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testRandomBrokenData(s, tester)
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}
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}
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func benchReadAll(reader LazySectionReader) {
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size, _ := reader.Size(context.TODO(), nil)
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output := make([]byte, 1000)
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for pos := int64(0); pos < size; pos += 1000 {
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reader.ReadAt(output, pos)
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}
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}
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func benchmarkSplitJoin(n int, t *testing.B) {
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t.ReportAllocs()
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for i := 0; i < t.N; i++ {
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data := testDataReader(n)
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putGetter := newTestHasherStore(NewMapChunkStore(), SHA3Hash)
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ctx := context.TODO()
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key, wait, err := PyramidSplit(ctx, data, putGetter, putGetter)
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if err != nil {
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t.Fatalf(err.Error())
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}
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err = wait(ctx)
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if err != nil {
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t.Fatalf(err.Error())
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}
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reader := TreeJoin(ctx, key, putGetter, 0)
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benchReadAll(reader)
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}
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}
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func benchmarkSplitTreeSHA3(n int, t *testing.B) {
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t.ReportAllocs()
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for i := 0; i < t.N; i++ {
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data := testDataReader(n)
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putGetter := newTestHasherStore(&fakeChunkStore{}, SHA3Hash)
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_, _, err := TreeSplit(context.TODO(), data, int64(n), putGetter)
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if err != nil {
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t.Fatalf(err.Error())
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}
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}
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}
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func benchmarkSplitTreeBMT(n int, t *testing.B) {
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t.ReportAllocs()
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for i := 0; i < t.N; i++ {
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data := testDataReader(n)
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putGetter := newTestHasherStore(&fakeChunkStore{}, BMTHash)
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_, _, err := TreeSplit(context.TODO(), data, int64(n), putGetter)
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if err != nil {
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t.Fatalf(err.Error())
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}
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}
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}
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func benchmarkSplitPyramidSHA3(n int, t *testing.B) {
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t.ReportAllocs()
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for i := 0; i < t.N; i++ {
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data := testDataReader(n)
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putGetter := newTestHasherStore(&fakeChunkStore{}, SHA3Hash)
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_, _, err := PyramidSplit(context.TODO(), data, putGetter, putGetter)
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if err != nil {
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t.Fatalf(err.Error())
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}
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}
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}
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func benchmarkSplitPyramidBMT(n int, t *testing.B) {
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t.ReportAllocs()
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for i := 0; i < t.N; i++ {
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data := testDataReader(n)
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putGetter := newTestHasherStore(&fakeChunkStore{}, BMTHash)
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_, _, err := PyramidSplit(context.TODO(), data, putGetter, putGetter)
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if err != nil {
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t.Fatalf(err.Error())
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}
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}
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}
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func benchmarkSplitAppendPyramid(n, m int, t *testing.B) {
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t.ReportAllocs()
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for i := 0; i < t.N; i++ {
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data := testDataReader(n)
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data1 := testDataReader(m)
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chunkStore := NewMapChunkStore()
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putGetter := newTestHasherStore(chunkStore, SHA3Hash)
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ctx := context.TODO()
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key, wait, err := PyramidSplit(ctx, data, putGetter, putGetter)
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if err != nil {
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t.Fatalf(err.Error())
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}
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err = wait(ctx)
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if err != nil {
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t.Fatalf(err.Error())
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}
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putGetter = newTestHasherStore(chunkStore, SHA3Hash)
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_, wait, err = PyramidAppend(ctx, key, data1, putGetter, putGetter)
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if err != nil {
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t.Fatalf(err.Error())
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}
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err = wait(ctx)
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if err != nil {
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t.Fatalf(err.Error())
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}
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}
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}
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func BenchmarkSplitJoin_2(t *testing.B) { benchmarkSplitJoin(100, t) }
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func BenchmarkSplitJoin_3(t *testing.B) { benchmarkSplitJoin(1000, t) }
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func BenchmarkSplitJoin_4(t *testing.B) { benchmarkSplitJoin(10000, t) }
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func BenchmarkSplitJoin_5(t *testing.B) { benchmarkSplitJoin(100000, t) }
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func BenchmarkSplitJoin_6(t *testing.B) { benchmarkSplitJoin(1000000, t) }
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func BenchmarkSplitJoin_7(t *testing.B) { benchmarkSplitJoin(10000000, t) }
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// func BenchmarkSplitJoin_8(t *testing.B) { benchmarkJoin(100000000, t) }
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func BenchmarkSplitTreeSHA3_2(t *testing.B) { benchmarkSplitTreeSHA3(100, t) }
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func BenchmarkSplitTreeSHA3_2h(t *testing.B) { benchmarkSplitTreeSHA3(500, t) }
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func BenchmarkSplitTreeSHA3_3(t *testing.B) { benchmarkSplitTreeSHA3(1000, t) }
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func BenchmarkSplitTreeSHA3_3h(t *testing.B) { benchmarkSplitTreeSHA3(5000, t) }
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func BenchmarkSplitTreeSHA3_4(t *testing.B) { benchmarkSplitTreeSHA3(10000, t) }
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func BenchmarkSplitTreeSHA3_4h(t *testing.B) { benchmarkSplitTreeSHA3(50000, t) }
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func BenchmarkSplitTreeSHA3_5(t *testing.B) { benchmarkSplitTreeSHA3(100000, t) }
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func BenchmarkSplitTreeSHA3_6(t *testing.B) { benchmarkSplitTreeSHA3(1000000, t) }
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func BenchmarkSplitTreeSHA3_7(t *testing.B) { benchmarkSplitTreeSHA3(10000000, t) }
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// func BenchmarkSplitTreeSHA3_8(t *testing.B) { benchmarkSplitTreeSHA3(100000000, t) }
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func BenchmarkSplitTreeBMT_2(t *testing.B) { benchmarkSplitTreeBMT(100, t) }
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func BenchmarkSplitTreeBMT_2h(t *testing.B) { benchmarkSplitTreeBMT(500, t) }
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func BenchmarkSplitTreeBMT_3(t *testing.B) { benchmarkSplitTreeBMT(1000, t) }
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func BenchmarkSplitTreeBMT_3h(t *testing.B) { benchmarkSplitTreeBMT(5000, t) }
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func BenchmarkSplitTreeBMT_4(t *testing.B) { benchmarkSplitTreeBMT(10000, t) }
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func BenchmarkSplitTreeBMT_4h(t *testing.B) { benchmarkSplitTreeBMT(50000, t) }
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func BenchmarkSplitTreeBMT_5(t *testing.B) { benchmarkSplitTreeBMT(100000, t) }
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func BenchmarkSplitTreeBMT_6(t *testing.B) { benchmarkSplitTreeBMT(1000000, t) }
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func BenchmarkSplitTreeBMT_7(t *testing.B) { benchmarkSplitTreeBMT(10000000, t) }
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// func BenchmarkSplitTreeBMT_8(t *testing.B) { benchmarkSplitTreeBMT(100000000, t) }
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func BenchmarkSplitPyramidSHA3_2(t *testing.B) { benchmarkSplitPyramidSHA3(100, t) }
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func BenchmarkSplitPyramidSHA3_2h(t *testing.B) { benchmarkSplitPyramidSHA3(500, t) }
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func BenchmarkSplitPyramidSHA3_3(t *testing.B) { benchmarkSplitPyramidSHA3(1000, t) }
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func BenchmarkSplitPyramidSHA3_3h(t *testing.B) { benchmarkSplitPyramidSHA3(5000, t) }
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func BenchmarkSplitPyramidSHA3_4(t *testing.B) { benchmarkSplitPyramidSHA3(10000, t) }
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func BenchmarkSplitPyramidSHA3_4h(t *testing.B) { benchmarkSplitPyramidSHA3(50000, t) }
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func BenchmarkSplitPyramidSHA3_5(t *testing.B) { benchmarkSplitPyramidSHA3(100000, t) }
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func BenchmarkSplitPyramidSHA3_6(t *testing.B) { benchmarkSplitPyramidSHA3(1000000, t) }
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func BenchmarkSplitPyramidSHA3_7(t *testing.B) { benchmarkSplitPyramidSHA3(10000000, t) }
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// func BenchmarkSplitPyramidSHA3_8(t *testing.B) { benchmarkSplitPyramidSHA3(100000000, t) }
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func BenchmarkSplitPyramidBMT_2(t *testing.B) { benchmarkSplitPyramidBMT(100, t) }
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func BenchmarkSplitPyramidBMT_2h(t *testing.B) { benchmarkSplitPyramidBMT(500, t) }
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func BenchmarkSplitPyramidBMT_3(t *testing.B) { benchmarkSplitPyramidBMT(1000, t) }
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func BenchmarkSplitPyramidBMT_3h(t *testing.B) { benchmarkSplitPyramidBMT(5000, t) }
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func BenchmarkSplitPyramidBMT_4(t *testing.B) { benchmarkSplitPyramidBMT(10000, t) }
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func BenchmarkSplitPyramidBMT_4h(t *testing.B) { benchmarkSplitPyramidBMT(50000, t) }
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func BenchmarkSplitPyramidBMT_5(t *testing.B) { benchmarkSplitPyramidBMT(100000, t) }
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func BenchmarkSplitPyramidBMT_6(t *testing.B) { benchmarkSplitPyramidBMT(1000000, t) }
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func BenchmarkSplitPyramidBMT_7(t *testing.B) { benchmarkSplitPyramidBMT(10000000, t) }
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// func BenchmarkSplitPyramidBMT_8(t *testing.B) { benchmarkSplitPyramidBMT(100000000, t) }
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func BenchmarkSplitAppendPyramid_2(t *testing.B) { benchmarkSplitAppendPyramid(100, 1000, t) }
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func BenchmarkSplitAppendPyramid_2h(t *testing.B) { benchmarkSplitAppendPyramid(500, 1000, t) }
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func BenchmarkSplitAppendPyramid_3(t *testing.B) { benchmarkSplitAppendPyramid(1000, 1000, t) }
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func BenchmarkSplitAppendPyramid_4(t *testing.B) { benchmarkSplitAppendPyramid(10000, 1000, t) }
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func BenchmarkSplitAppendPyramid_4h(t *testing.B) { benchmarkSplitAppendPyramid(50000, 1000, t) }
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func BenchmarkSplitAppendPyramid_5(t *testing.B) { benchmarkSplitAppendPyramid(1000000, 1000, t) }
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func BenchmarkSplitAppendPyramid_6(t *testing.B) { benchmarkSplitAppendPyramid(1000000, 1000, t) }
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func BenchmarkSplitAppendPyramid_7(t *testing.B) { benchmarkSplitAppendPyramid(10000000, 1000, t) }
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// func BenchmarkAppendPyramid_8(t *testing.B) { benchmarkAppendPyramid(100000000, 1000, t) }
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// go test -timeout 20m -cpu 4 -bench=./swarm/storage -run no
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// If you dont add the timeout argument above .. the benchmark will timeout and dump
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