package operations

import (
	"path"
	"testing"

	"github.com/golang/snappy"
	ethpb "github.com/prysmaticlabs/ethereumapis/eth/v1alpha1"
	"github.com/prysmaticlabs/prysm/beacon-chain/core/blocks"
	"github.com/prysmaticlabs/prysm/shared/testutil"
	"github.com/prysmaticlabs/prysm/shared/testutil/require"
	"github.com/prysmaticlabs/prysm/spectest/utils"
)

// RunAttestationTest executes "operations/attestation" tests.
func RunAttestationTest(t *testing.T, config string) {
	require.NoError(t, utils.SetConfig(t, config))
	testFolders, testsFolderPath := utils.TestFolders(t, config, "phase0", "operations/attestation/pyspec_tests")
	for _, folder := range testFolders {
		t.Run(folder.Name(), func(t *testing.T) {
			folderPath := path.Join(testsFolderPath, folder.Name())
			attestationFile, err := testutil.BazelFileBytes(folderPath, "attestation.ssz_snappy")
			require.NoError(t, err)
			attestationSSZ, err := snappy.Decode(nil /* dst */, attestationFile)
			require.NoError(t, err, "Failed to decompress")
			att := &ethpb.Attestation{}
			require.NoError(t, att.UnmarshalSSZ(attestationSSZ), "Failed to unmarshal")

			body := &ethpb.BeaconBlockBody{Attestations: []*ethpb.Attestation{att}}
			RunBlockOperationTest(t, folderPath, body, blocks.ProcessAttestations)
		})
	}
}