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

34 lines
1.1 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) {
if _, err := ShuffleIndices(common.Hash{'a'}, params.MaxValidators+1); 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'})
list1, err := ShuffleIndices(hash1, 100)
if err != nil {
t.Errorf("Shuffle failed with: %v", err)
}
list2, err := ShuffleIndices(hash2, 100)
if err != nil {
t.Errorf("Shuffle failed with: %v", err)
}
if reflect.DeepEqual(list1, list2) {
t.Errorf("2 shuffled lists shouldn't be equal")
}
}