prysm-pulse/beacon-chain/utils/shuffle_test.go

67 lines
1.9 KiB
Go

package utils
import (
"reflect"
"testing"
"github.com/ethereum/go-ethereum/common"
"github.com/prysmaticlabs/prysm/beacon-chain/params"
)
func TestFaultyShuffleIndices(t *testing.T) {
var list []uint32
for i := 0; i < params.MaxValidators+1; i++ {
list = append(list, uint32(i))
}
if _, err := ShuffleIndices(common.Hash{'a'}, list); err == nil {
t.Error("Shuffle should have failed when validator count exceeds MaxValidators")
}
}
func TestShuffleIndices(t *testing.T) {
hash1 := common.BytesToHash([]byte{'a', 'b', 'c', 'd', 'e', 'f', 'g', 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'a', 'b', 'c', 'd', 'e', 'f', 'g'})
hash2 := common.BytesToHash([]byte{'1', '2', '3', '4', '5', '6', '7', '1', '2', '3', '4', '5', '6', '7', '1', '2', '3', '4', '5', '6', '7', '1', '2', '3', '4', '5', '6', '7', '1', '2', '3', '4', '5', '6', '7'})
var list1 []uint32
for i := 0; i < 100; i++ {
list1 = append(list1, uint32(i))
}
list2 := make([]uint32, len(list1))
copy(list2, list1)
list1, err := ShuffleIndices(hash1, list1)
if err != nil {
t.Errorf("Shuffle failed with: %v", err)
}
list2, err = ShuffleIndices(hash2, list2)
if err != nil {
t.Errorf("Shuffle failed with: %v", err)
}
if reflect.DeepEqual(list1, list2) {
t.Errorf("2 shuffled lists shouldn't be equal")
}
}
func TestSplitIndices(t *testing.T) {
var l []uint32
validators := 64000
for i := 0; i < validators; i++ {
l = append(l, uint32(i))
}
split := SplitIndices(l, params.CycleLength)
if len(split) != params.CycleLength {
t.Errorf("Split list failed due to incorrect length, wanted:%v, got:%v", params.CycleLength, len(split))
}
for _, s := range split {
if len(s) != validators/params.CycleLength {
t.Errorf("Split list failed due to incorrect length, wanted:%v, got:%v", validators/params.CycleLength, len(s))
}
}
}