forked from cerc-io/plugeth
b797dd07d2
* swarm/shed, swarm/storage/localstore: add LastPullSubscriptionChunk * swarm/shed: fix comments * swarm/shed: fix TestIncByteSlice test * swarm/storage/localstore: fix TestDB_LastPullSubscriptionChunk
928 lines
20 KiB
Go
928 lines
20 KiB
Go
// Copyright 2018 The go-ethereum Authors
|
|
// This file is part of the go-ethereum library.
|
|
//
|
|
// The go-ethereum library is free software: you can redistribute it and/or modify
|
|
// it under the terms of the GNU Lesser General Public License as published by
|
|
// the Free Software Foundation, either version 3 of the License, or
|
|
// (at your option) any later version.
|
|
//
|
|
// The go-ethereum library is distributed in the hope that it will be useful,
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
// GNU Lesser General Public License for more details.
|
|
//
|
|
// You should have received a copy of the GNU Lesser General Public License
|
|
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
package shed
|
|
|
|
import (
|
|
"bytes"
|
|
"encoding/binary"
|
|
"fmt"
|
|
"sort"
|
|
"testing"
|
|
"time"
|
|
|
|
"github.com/syndtr/goleveldb/leveldb"
|
|
)
|
|
|
|
// Index functions for the index that is used in tests in this file.
|
|
var retrievalIndexFuncs = IndexFuncs{
|
|
EncodeKey: func(fields Item) (key []byte, err error) {
|
|
return fields.Address, nil
|
|
},
|
|
DecodeKey: func(key []byte) (e Item, err error) {
|
|
e.Address = key
|
|
return e, nil
|
|
},
|
|
EncodeValue: func(fields Item) (value []byte, err error) {
|
|
b := make([]byte, 8)
|
|
binary.BigEndian.PutUint64(b, uint64(fields.StoreTimestamp))
|
|
value = append(b, fields.Data...)
|
|
return value, nil
|
|
},
|
|
DecodeValue: func(keyItem Item, value []byte) (e Item, err error) {
|
|
e.StoreTimestamp = int64(binary.BigEndian.Uint64(value[:8]))
|
|
e.Data = value[8:]
|
|
return e, nil
|
|
},
|
|
}
|
|
|
|
// TestIndex validates put, get and delete functions of the Index implementation.
|
|
func TestIndex(t *testing.T) {
|
|
db, cleanupFunc := newTestDB(t)
|
|
defer cleanupFunc()
|
|
|
|
index, err := db.NewIndex("retrieval", retrievalIndexFuncs)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
t.Run("put", func(t *testing.T) {
|
|
want := Item{
|
|
Address: []byte("put-hash"),
|
|
Data: []byte("DATA"),
|
|
StoreTimestamp: time.Now().UTC().UnixNano(),
|
|
}
|
|
|
|
err := index.Put(want)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
got, err := index.Get(Item{
|
|
Address: want.Address,
|
|
})
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
checkItem(t, got, want)
|
|
|
|
t.Run("overwrite", func(t *testing.T) {
|
|
want := Item{
|
|
Address: []byte("put-hash"),
|
|
Data: []byte("New DATA"),
|
|
StoreTimestamp: time.Now().UTC().UnixNano(),
|
|
}
|
|
|
|
err = index.Put(want)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
got, err := index.Get(Item{
|
|
Address: want.Address,
|
|
})
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
checkItem(t, got, want)
|
|
})
|
|
})
|
|
|
|
t.Run("put in batch", func(t *testing.T) {
|
|
want := Item{
|
|
Address: []byte("put-in-batch-hash"),
|
|
Data: []byte("DATA"),
|
|
StoreTimestamp: time.Now().UTC().UnixNano(),
|
|
}
|
|
|
|
batch := new(leveldb.Batch)
|
|
index.PutInBatch(batch, want)
|
|
err := db.WriteBatch(batch)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
got, err := index.Get(Item{
|
|
Address: want.Address,
|
|
})
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
checkItem(t, got, want)
|
|
|
|
t.Run("overwrite", func(t *testing.T) {
|
|
want := Item{
|
|
Address: []byte("put-in-batch-hash"),
|
|
Data: []byte("New DATA"),
|
|
StoreTimestamp: time.Now().UTC().UnixNano(),
|
|
}
|
|
|
|
batch := new(leveldb.Batch)
|
|
index.PutInBatch(batch, want)
|
|
db.WriteBatch(batch)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
got, err := index.Get(Item{
|
|
Address: want.Address,
|
|
})
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
checkItem(t, got, want)
|
|
})
|
|
})
|
|
|
|
t.Run("put in batch twice", func(t *testing.T) {
|
|
// ensure that the last item of items with the same db keys
|
|
// is actually saved
|
|
batch := new(leveldb.Batch)
|
|
address := []byte("put-in-batch-twice-hash")
|
|
|
|
// put the first item
|
|
index.PutInBatch(batch, Item{
|
|
Address: address,
|
|
Data: []byte("DATA"),
|
|
StoreTimestamp: time.Now().UTC().UnixNano(),
|
|
})
|
|
|
|
want := Item{
|
|
Address: address,
|
|
Data: []byte("New DATA"),
|
|
StoreTimestamp: time.Now().UTC().UnixNano(),
|
|
}
|
|
// then put the item that will produce the same key
|
|
// but different value in the database
|
|
index.PutInBatch(batch, want)
|
|
db.WriteBatch(batch)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
got, err := index.Get(Item{
|
|
Address: address,
|
|
})
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
checkItem(t, got, want)
|
|
})
|
|
|
|
t.Run("delete", func(t *testing.T) {
|
|
want := Item{
|
|
Address: []byte("delete-hash"),
|
|
Data: []byte("DATA"),
|
|
StoreTimestamp: time.Now().UTC().UnixNano(),
|
|
}
|
|
|
|
err := index.Put(want)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
got, err := index.Get(Item{
|
|
Address: want.Address,
|
|
})
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
checkItem(t, got, want)
|
|
|
|
err = index.Delete(Item{
|
|
Address: want.Address,
|
|
})
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
wantErr := leveldb.ErrNotFound
|
|
got, err = index.Get(Item{
|
|
Address: want.Address,
|
|
})
|
|
if err != wantErr {
|
|
t.Fatalf("got error %v, want %v", err, wantErr)
|
|
}
|
|
})
|
|
|
|
t.Run("delete in batch", func(t *testing.T) {
|
|
want := Item{
|
|
Address: []byte("delete-in-batch-hash"),
|
|
Data: []byte("DATA"),
|
|
StoreTimestamp: time.Now().UTC().UnixNano(),
|
|
}
|
|
|
|
err := index.Put(want)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
got, err := index.Get(Item{
|
|
Address: want.Address,
|
|
})
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
checkItem(t, got, want)
|
|
|
|
batch := new(leveldb.Batch)
|
|
index.DeleteInBatch(batch, Item{
|
|
Address: want.Address,
|
|
})
|
|
err = db.WriteBatch(batch)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
wantErr := leveldb.ErrNotFound
|
|
got, err = index.Get(Item{
|
|
Address: want.Address,
|
|
})
|
|
if err != wantErr {
|
|
t.Fatalf("got error %v, want %v", err, wantErr)
|
|
}
|
|
})
|
|
}
|
|
|
|
// TestIndex_Iterate validates index Iterate
|
|
// functions for correctness.
|
|
func TestIndex_Iterate(t *testing.T) {
|
|
db, cleanupFunc := newTestDB(t)
|
|
defer cleanupFunc()
|
|
|
|
index, err := db.NewIndex("retrieval", retrievalIndexFuncs)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
items := []Item{
|
|
{
|
|
Address: []byte("iterate-hash-01"),
|
|
Data: []byte("data80"),
|
|
},
|
|
{
|
|
Address: []byte("iterate-hash-03"),
|
|
Data: []byte("data22"),
|
|
},
|
|
{
|
|
Address: []byte("iterate-hash-05"),
|
|
Data: []byte("data41"),
|
|
},
|
|
{
|
|
Address: []byte("iterate-hash-02"),
|
|
Data: []byte("data84"),
|
|
},
|
|
{
|
|
Address: []byte("iterate-hash-06"),
|
|
Data: []byte("data1"),
|
|
},
|
|
}
|
|
batch := new(leveldb.Batch)
|
|
for _, i := range items {
|
|
index.PutInBatch(batch, i)
|
|
}
|
|
err = db.WriteBatch(batch)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
item04 := Item{
|
|
Address: []byte("iterate-hash-04"),
|
|
Data: []byte("data0"),
|
|
}
|
|
err = index.Put(item04)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
items = append(items, item04)
|
|
|
|
sort.SliceStable(items, func(i, j int) bool {
|
|
return bytes.Compare(items[i].Address, items[j].Address) < 0
|
|
})
|
|
|
|
t.Run("all", func(t *testing.T) {
|
|
var i int
|
|
err := index.Iterate(func(item Item) (stop bool, err error) {
|
|
if i > len(items)-1 {
|
|
return true, fmt.Errorf("got unexpected index item: %#v", item)
|
|
}
|
|
want := items[i]
|
|
checkItem(t, item, want)
|
|
i++
|
|
return false, nil
|
|
}, nil)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
})
|
|
|
|
t.Run("start from", func(t *testing.T) {
|
|
startIndex := 2
|
|
i := startIndex
|
|
err := index.Iterate(func(item Item) (stop bool, err error) {
|
|
if i > len(items)-1 {
|
|
return true, fmt.Errorf("got unexpected index item: %#v", item)
|
|
}
|
|
want := items[i]
|
|
checkItem(t, item, want)
|
|
i++
|
|
return false, nil
|
|
}, &IterateOptions{
|
|
StartFrom: &items[startIndex],
|
|
})
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
})
|
|
|
|
t.Run("skip start from", func(t *testing.T) {
|
|
startIndex := 2
|
|
i := startIndex + 1
|
|
err := index.Iterate(func(item Item) (stop bool, err error) {
|
|
if i > len(items)-1 {
|
|
return true, fmt.Errorf("got unexpected index item: %#v", item)
|
|
}
|
|
want := items[i]
|
|
checkItem(t, item, want)
|
|
i++
|
|
return false, nil
|
|
}, &IterateOptions{
|
|
StartFrom: &items[startIndex],
|
|
SkipStartFromItem: true,
|
|
})
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
})
|
|
|
|
t.Run("stop", func(t *testing.T) {
|
|
var i int
|
|
stopIndex := 3
|
|
var count int
|
|
err := index.Iterate(func(item Item) (stop bool, err error) {
|
|
if i > len(items)-1 {
|
|
return true, fmt.Errorf("got unexpected index item: %#v", item)
|
|
}
|
|
want := items[i]
|
|
checkItem(t, item, want)
|
|
count++
|
|
if i == stopIndex {
|
|
return true, nil
|
|
}
|
|
i++
|
|
return false, nil
|
|
}, nil)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
wantItemsCount := stopIndex + 1
|
|
if count != wantItemsCount {
|
|
t.Errorf("got %v items, expected %v", count, wantItemsCount)
|
|
}
|
|
})
|
|
|
|
t.Run("no overflow", func(t *testing.T) {
|
|
secondIndex, err := db.NewIndex("second-index", retrievalIndexFuncs)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
secondItem := Item{
|
|
Address: []byte("iterate-hash-10"),
|
|
Data: []byte("data-second"),
|
|
}
|
|
err = secondIndex.Put(secondItem)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
var i int
|
|
err = index.Iterate(func(item Item) (stop bool, err error) {
|
|
if i > len(items)-1 {
|
|
return true, fmt.Errorf("got unexpected index item: %#v", item)
|
|
}
|
|
want := items[i]
|
|
checkItem(t, item, want)
|
|
i++
|
|
return false, nil
|
|
}, nil)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
i = 0
|
|
err = secondIndex.Iterate(func(item Item) (stop bool, err error) {
|
|
if i > 1 {
|
|
return true, fmt.Errorf("got unexpected index item: %#v", item)
|
|
}
|
|
checkItem(t, item, secondItem)
|
|
i++
|
|
return false, nil
|
|
}, nil)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
})
|
|
}
|
|
|
|
// TestIndex_Iterate_withPrefix validates index Iterate
|
|
// function for correctness.
|
|
func TestIndex_Iterate_withPrefix(t *testing.T) {
|
|
db, cleanupFunc := newTestDB(t)
|
|
defer cleanupFunc()
|
|
|
|
index, err := db.NewIndex("retrieval", retrievalIndexFuncs)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
allItems := []Item{
|
|
{Address: []byte("want-hash-00"), Data: []byte("data80")},
|
|
{Address: []byte("skip-hash-01"), Data: []byte("data81")},
|
|
{Address: []byte("skip-hash-02"), Data: []byte("data82")},
|
|
{Address: []byte("skip-hash-03"), Data: []byte("data83")},
|
|
{Address: []byte("want-hash-04"), Data: []byte("data84")},
|
|
{Address: []byte("want-hash-05"), Data: []byte("data85")},
|
|
{Address: []byte("want-hash-06"), Data: []byte("data86")},
|
|
{Address: []byte("want-hash-07"), Data: []byte("data87")},
|
|
{Address: []byte("want-hash-08"), Data: []byte("data88")},
|
|
{Address: []byte("want-hash-09"), Data: []byte("data89")},
|
|
{Address: []byte("skip-hash-10"), Data: []byte("data90")},
|
|
}
|
|
batch := new(leveldb.Batch)
|
|
for _, i := range allItems {
|
|
index.PutInBatch(batch, i)
|
|
}
|
|
err = db.WriteBatch(batch)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
prefix := []byte("want")
|
|
|
|
items := make([]Item, 0)
|
|
for _, item := range allItems {
|
|
if bytes.HasPrefix(item.Address, prefix) {
|
|
items = append(items, item)
|
|
}
|
|
}
|
|
sort.SliceStable(items, func(i, j int) bool {
|
|
return bytes.Compare(items[i].Address, items[j].Address) < 0
|
|
})
|
|
|
|
t.Run("with prefix", func(t *testing.T) {
|
|
var i int
|
|
err := index.Iterate(func(item Item) (stop bool, err error) {
|
|
if i > len(items)-1 {
|
|
return true, fmt.Errorf("got unexpected index item: %#v", item)
|
|
}
|
|
want := items[i]
|
|
checkItem(t, item, want)
|
|
i++
|
|
return false, nil
|
|
}, &IterateOptions{
|
|
Prefix: prefix,
|
|
})
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if i != len(items) {
|
|
t.Errorf("got %v items, want %v", i, len(items))
|
|
}
|
|
})
|
|
|
|
t.Run("with prefix and start from", func(t *testing.T) {
|
|
startIndex := 2
|
|
var count int
|
|
i := startIndex
|
|
err := index.Iterate(func(item Item) (stop bool, err error) {
|
|
if i > len(items)-1 {
|
|
return true, fmt.Errorf("got unexpected index item: %#v", item)
|
|
}
|
|
want := items[i]
|
|
checkItem(t, item, want)
|
|
i++
|
|
count++
|
|
return false, nil
|
|
}, &IterateOptions{
|
|
StartFrom: &items[startIndex],
|
|
Prefix: prefix,
|
|
})
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
wantCount := len(items) - startIndex
|
|
if count != wantCount {
|
|
t.Errorf("got %v items, want %v", count, wantCount)
|
|
}
|
|
})
|
|
|
|
t.Run("with prefix and skip start from", func(t *testing.T) {
|
|
startIndex := 2
|
|
var count int
|
|
i := startIndex + 1
|
|
err := index.Iterate(func(item Item) (stop bool, err error) {
|
|
if i > len(items)-1 {
|
|
return true, fmt.Errorf("got unexpected index item: %#v", item)
|
|
}
|
|
want := items[i]
|
|
checkItem(t, item, want)
|
|
i++
|
|
count++
|
|
return false, nil
|
|
}, &IterateOptions{
|
|
StartFrom: &items[startIndex],
|
|
SkipStartFromItem: true,
|
|
Prefix: prefix,
|
|
})
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
wantCount := len(items) - startIndex - 1
|
|
if count != wantCount {
|
|
t.Errorf("got %v items, want %v", count, wantCount)
|
|
}
|
|
})
|
|
|
|
t.Run("stop", func(t *testing.T) {
|
|
var i int
|
|
stopIndex := 3
|
|
var count int
|
|
err := index.Iterate(func(item Item) (stop bool, err error) {
|
|
if i > len(items)-1 {
|
|
return true, fmt.Errorf("got unexpected index item: %#v", item)
|
|
}
|
|
want := items[i]
|
|
checkItem(t, item, want)
|
|
count++
|
|
if i == stopIndex {
|
|
return true, nil
|
|
}
|
|
i++
|
|
return false, nil
|
|
}, &IterateOptions{
|
|
Prefix: prefix,
|
|
})
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
wantItemsCount := stopIndex + 1
|
|
if count != wantItemsCount {
|
|
t.Errorf("got %v items, expected %v", count, wantItemsCount)
|
|
}
|
|
})
|
|
|
|
t.Run("no overflow", func(t *testing.T) {
|
|
secondIndex, err := db.NewIndex("second-index", retrievalIndexFuncs)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
secondItem := Item{
|
|
Address: []byte("iterate-hash-10"),
|
|
Data: []byte("data-second"),
|
|
}
|
|
err = secondIndex.Put(secondItem)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
var i int
|
|
err = index.Iterate(func(item Item) (stop bool, err error) {
|
|
if i > len(items)-1 {
|
|
return true, fmt.Errorf("got unexpected index item: %#v", item)
|
|
}
|
|
want := items[i]
|
|
checkItem(t, item, want)
|
|
i++
|
|
return false, nil
|
|
}, &IterateOptions{
|
|
Prefix: prefix,
|
|
})
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if i != len(items) {
|
|
t.Errorf("got %v items, want %v", i, len(items))
|
|
}
|
|
})
|
|
}
|
|
|
|
// TestIndex_count tests if Index.Count and Index.CountFrom
|
|
// returns the correct number of items.
|
|
func TestIndex_count(t *testing.T) {
|
|
db, cleanupFunc := newTestDB(t)
|
|
defer cleanupFunc()
|
|
|
|
index, err := db.NewIndex("retrieval", retrievalIndexFuncs)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
items := []Item{
|
|
{
|
|
Address: []byte("iterate-hash-01"),
|
|
Data: []byte("data80"),
|
|
},
|
|
{
|
|
Address: []byte("iterate-hash-02"),
|
|
Data: []byte("data84"),
|
|
},
|
|
{
|
|
Address: []byte("iterate-hash-03"),
|
|
Data: []byte("data22"),
|
|
},
|
|
{
|
|
Address: []byte("iterate-hash-04"),
|
|
Data: []byte("data41"),
|
|
},
|
|
{
|
|
Address: []byte("iterate-hash-05"),
|
|
Data: []byte("data1"),
|
|
},
|
|
}
|
|
batch := new(leveldb.Batch)
|
|
for _, i := range items {
|
|
index.PutInBatch(batch, i)
|
|
}
|
|
err = db.WriteBatch(batch)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
t.Run("Count", func(t *testing.T) {
|
|
got, err := index.Count()
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
want := len(items)
|
|
if got != want {
|
|
t.Errorf("got %v items count, want %v", got, want)
|
|
}
|
|
})
|
|
|
|
t.Run("CountFrom", func(t *testing.T) {
|
|
got, err := index.CountFrom(Item{
|
|
Address: items[1].Address,
|
|
})
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
want := len(items) - 1
|
|
if got != want {
|
|
t.Errorf("got %v items count, want %v", got, want)
|
|
}
|
|
})
|
|
|
|
// update the index with another item
|
|
t.Run("add item", func(t *testing.T) {
|
|
item04 := Item{
|
|
Address: []byte("iterate-hash-06"),
|
|
Data: []byte("data0"),
|
|
}
|
|
err = index.Put(item04)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
count := len(items) + 1
|
|
|
|
t.Run("Count", func(t *testing.T) {
|
|
got, err := index.Count()
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
want := count
|
|
if got != want {
|
|
t.Errorf("got %v items count, want %v", got, want)
|
|
}
|
|
})
|
|
|
|
t.Run("CountFrom", func(t *testing.T) {
|
|
got, err := index.CountFrom(Item{
|
|
Address: items[1].Address,
|
|
})
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
want := count - 1
|
|
if got != want {
|
|
t.Errorf("got %v items count, want %v", got, want)
|
|
}
|
|
})
|
|
})
|
|
|
|
// delete some items
|
|
t.Run("delete items", func(t *testing.T) {
|
|
deleteCount := 3
|
|
|
|
for _, item := range items[:deleteCount] {
|
|
err := index.Delete(item)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}
|
|
|
|
count := len(items) + 1 - deleteCount
|
|
|
|
t.Run("Count", func(t *testing.T) {
|
|
got, err := index.Count()
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
want := count
|
|
if got != want {
|
|
t.Errorf("got %v items count, want %v", got, want)
|
|
}
|
|
})
|
|
|
|
t.Run("CountFrom", func(t *testing.T) {
|
|
got, err := index.CountFrom(Item{
|
|
Address: items[deleteCount+1].Address,
|
|
})
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
want := count - 1
|
|
if got != want {
|
|
t.Errorf("got %v items count, want %v", got, want)
|
|
}
|
|
})
|
|
})
|
|
}
|
|
|
|
// checkItem is a test helper function that compares if two Index items are the same.
|
|
func checkItem(t *testing.T, got, want Item) {
|
|
t.Helper()
|
|
|
|
if !bytes.Equal(got.Address, want.Address) {
|
|
t.Errorf("got hash %q, expected %q", string(got.Address), string(want.Address))
|
|
}
|
|
if !bytes.Equal(got.Data, want.Data) {
|
|
t.Errorf("got data %q, expected %q", string(got.Data), string(want.Data))
|
|
}
|
|
if got.StoreTimestamp != want.StoreTimestamp {
|
|
t.Errorf("got store timestamp %v, expected %v", got.StoreTimestamp, want.StoreTimestamp)
|
|
}
|
|
if got.AccessTimestamp != want.AccessTimestamp {
|
|
t.Errorf("got access timestamp %v, expected %v", got.AccessTimestamp, want.AccessTimestamp)
|
|
}
|
|
}
|
|
|
|
// TestIndex_firstAndLast validates that index First and Last methods
|
|
// are returning expected results based on the provided prefix.
|
|
func TestIndex_firstAndLast(t *testing.T) {
|
|
db, cleanupFunc := newTestDB(t)
|
|
defer cleanupFunc()
|
|
|
|
index, err := db.NewIndex("retrieval", retrievalIndexFuncs)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
addrs := [][]byte{
|
|
{0, 0, 0, 0, 0},
|
|
{0, 1},
|
|
{0, 1, 0, 0, 0},
|
|
{0, 1, 0, 0, 1},
|
|
{0, 1, 0, 0, 2},
|
|
{0, 2, 0, 0, 1},
|
|
{0, 4, 0, 0, 0},
|
|
{0, 10, 0, 0, 10},
|
|
{0, 10, 0, 0, 11},
|
|
{0, 10, 0, 0, 20},
|
|
{1, 32, 255, 0, 1},
|
|
{1, 32, 255, 0, 2},
|
|
{1, 32, 255, 0, 3},
|
|
{255, 255, 255, 255, 32},
|
|
{255, 255, 255, 255, 64},
|
|
{255, 255, 255, 255, 255},
|
|
}
|
|
|
|
// ensure that the addresses are sorted for
|
|
// validation of nil prefix
|
|
sort.Slice(addrs, func(i, j int) (less bool) {
|
|
return bytes.Compare(addrs[i], addrs[j]) == -1
|
|
})
|
|
|
|
batch := new(leveldb.Batch)
|
|
for _, addr := range addrs {
|
|
index.PutInBatch(batch, Item{
|
|
Address: addr,
|
|
})
|
|
}
|
|
err = db.WriteBatch(batch)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
for _, tc := range []struct {
|
|
prefix []byte
|
|
first []byte
|
|
last []byte
|
|
err error
|
|
}{
|
|
{
|
|
prefix: nil,
|
|
first: addrs[0],
|
|
last: addrs[len(addrs)-1],
|
|
},
|
|
{
|
|
prefix: []byte{0, 0},
|
|
first: []byte{0, 0, 0, 0, 0},
|
|
last: []byte{0, 0, 0, 0, 0},
|
|
},
|
|
{
|
|
prefix: []byte{0},
|
|
first: []byte{0, 0, 0, 0, 0},
|
|
last: []byte{0, 10, 0, 0, 20},
|
|
},
|
|
{
|
|
prefix: []byte{0, 1},
|
|
first: []byte{0, 1},
|
|
last: []byte{0, 1, 0, 0, 2},
|
|
},
|
|
{
|
|
prefix: []byte{0, 10},
|
|
first: []byte{0, 10, 0, 0, 10},
|
|
last: []byte{0, 10, 0, 0, 20},
|
|
},
|
|
{
|
|
prefix: []byte{1, 32, 255},
|
|
first: []byte{1, 32, 255, 0, 1},
|
|
last: []byte{1, 32, 255, 0, 3},
|
|
},
|
|
{
|
|
prefix: []byte{255},
|
|
first: []byte{255, 255, 255, 255, 32},
|
|
last: []byte{255, 255, 255, 255, 255},
|
|
},
|
|
{
|
|
prefix: []byte{255, 255, 255, 255, 255},
|
|
first: []byte{255, 255, 255, 255, 255},
|
|
last: []byte{255, 255, 255, 255, 255},
|
|
},
|
|
{
|
|
prefix: []byte{0, 3},
|
|
err: leveldb.ErrNotFound,
|
|
},
|
|
{
|
|
prefix: []byte{222},
|
|
err: leveldb.ErrNotFound,
|
|
},
|
|
} {
|
|
got, err := index.Last(tc.prefix)
|
|
if tc.err != err {
|
|
t.Errorf("got error %v for Last with prefix %v, want %v", err, tc.prefix, tc.err)
|
|
} else {
|
|
if !bytes.Equal(got.Address, tc.last) {
|
|
t.Errorf("got %v for Last with prefix %v, want %v", got.Address, tc.prefix, tc.last)
|
|
}
|
|
}
|
|
|
|
got, err = index.First(tc.prefix)
|
|
if tc.err != err {
|
|
t.Errorf("got error %v for First with prefix %v, want %v", err, tc.prefix, tc.err)
|
|
} else {
|
|
if !bytes.Equal(got.Address, tc.first) {
|
|
t.Errorf("got %v for First with prefix %v, want %v", got.Address, tc.prefix, tc.first)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// TestIncByteSlice validates returned values of incByteSlice function.
|
|
func TestIncByteSlice(t *testing.T) {
|
|
for _, tc := range []struct {
|
|
b []byte
|
|
want []byte
|
|
}{
|
|
{b: nil, want: nil},
|
|
{b: []byte{}, want: nil},
|
|
{b: []byte{0}, want: []byte{1}},
|
|
{b: []byte{42}, want: []byte{43}},
|
|
{b: []byte{255}, want: nil},
|
|
{b: []byte{0, 0}, want: []byte{0, 1}},
|
|
{b: []byte{1, 0}, want: []byte{1, 1}},
|
|
{b: []byte{1, 255}, want: []byte{2, 0}},
|
|
{b: []byte{255, 255}, want: nil},
|
|
{b: []byte{32, 0, 255}, want: []byte{32, 1, 0}},
|
|
} {
|
|
got := incByteSlice(tc.b)
|
|
if !bytes.Equal(got, tc.want) {
|
|
t.Errorf("got %v, want %v", got, tc.want)
|
|
}
|
|
}
|
|
}
|