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// Copyright (C) 2019-2023 Algorand, Inc.
// This file is part of go-algorand
//
// go-algorand is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as
// published by the Free Software Foundation, either version 3 of the
// License, or (at your option) any later version.
//
// go-algorand 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 Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with go-algorand. If not, see <https://www.gnu.org/licenses/>.
package agreement
import (
"encoding/base64"
"testing"
"github.com/algorand/go-algorand/protocol"
"github.com/algorand/go-algorand/test/partitiontest"
"github.com/stretchr/testify/require"
)
// TestSerializableErrorBackwardCompatible ensures Err field of type serializableError can be
// properly decoded from ConsensusVersionView.
// This test is only needed for agreement state serialization switch from reflection to msgp.
func TestSerializableErrorBackwardCompatibility(t *testing.T) {
partitiontest.PartitionTest(t)
encodedEmpty, err := base64.StdEncoding.DecodeString("gqNFcnLAp1ZlcnNpb26jdjEw")
require.NoError(t, err)
encoded, err := base64.StdEncoding.DecodeString("gqNFcnKndGVzdGVycqdWZXJzaW9uo3YxMA==")
require.NoError(t, err)
// run on master f57a276 to get the encoded data for above
// cv := ConsensusVersionView{
// Err: nil,
// Version: protocol.ConsensusV10,
// }
// result := protocol.EncodeReflect(&cv)
// fmt.Println(base64.StdEncoding.EncodeToString(result))
// se := serializableErrorUnderlying("testerr")
// cv = ConsensusVersionView{
// Err: &se,
// Version: protocol.ConsensusV10,
// }
// result = protocol.EncodeReflect(&cv)
// fmt.Println(base64.StdEncoding.EncodeToString(result))
cvEmpty := ConsensusVersionView{
Err: nil,
Version: protocol.ConsensusV10,
}
se := serializableError("testerr")
cv := ConsensusVersionView{
Err: &se,
Version: protocol.ConsensusV10,
}
cv1 := ConsensusVersionView{}
err = protocol.Decode(encodedEmpty, &cv1)
require.NoError(t, err)
cv2 := ConsensusVersionView{}
err = protocol.DecodeReflect(encodedEmpty, &cv2)
require.NoError(t, err)
require.Equal(t, cv1, cv2)
require.Equal(t, cvEmpty, cv2)
cv1 = ConsensusVersionView{}
err = protocol.Decode(encoded, &cv1)
require.NoError(t, err)
cv2 = ConsensusVersionView{}
err = protocol.DecodeReflect(encoded, &cv2)
require.NoError(t, err)
require.Equal(t, cv1, cv2)
require.Equal(t, cv, cv2)
}
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