package blockchain

import (
	"context"
	"testing"

	pb "github.com/prysmaticlabs/prysm/proto/beacon/p2p/v1"
	"github.com/prysmaticlabs/prysm/shared/testutil"
	"github.com/prysmaticlabs/prysm/shared/testutil/require"
)

func TestReportEpochMetrics_BadHeadState(t *testing.T) {
	s := testutil.NewBeaconState()
	h := testutil.NewBeaconState()
	require.NoError(t, h.SetValidators(nil))
	err := reportEpochMetrics(context.Background(), s, h)
	require.ErrorContains(t, "failed to initialize precompute: nil validators in state", err)
}

func TestReportEpochMetrics_BadAttestation(t *testing.T) {
	s := testutil.NewBeaconState()
	h := testutil.NewBeaconState()
	require.NoError(t, h.SetCurrentEpochAttestations([]*pb.PendingAttestation{{InclusionDelay: 0}}))
	err := reportEpochMetrics(context.Background(), s, h)
	require.ErrorContains(t, "attestation with inclusion delay of 0", err)
}