/*
 * Copyright (c) 2014, 2015 Cisco Systems, Inc. and others.  All rights reserved.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
 * and is available at http://www.eclipse.org/legal/epl-v10.html
 */

package org.opendaylight.controller.cluster.datastore;

import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import org.junit.Assert;
import org.junit.Test;
import org.opendaylight.controller.cluster.datastore.modification.MutableCompositeModification;
import org.opendaylight.controller.cluster.datastore.modification.WriteModification;
import org.opendaylight.controller.cluster.raft.RaftVersions;
import org.opendaylight.controller.cluster.raft.ReplicatedLogEntry;
import org.opendaylight.controller.cluster.raft.messages.AppendEntries;
import org.opendaylight.controller.cluster.raft.protobuff.client.messages.CompositeModificationPayload;
import org.opendaylight.controller.cluster.raft.protobuff.client.messages.Payload;
import org.opendaylight.controller.md.cluster.datastore.model.TestModel;
import org.opendaylight.controller.protobuff.messages.cluster.raft.AppendEntriesMessages;
import org.opendaylight.yangtools.yang.data.impl.schema.ImmutableNodes;

@Deprecated
public class CompositeModificationPayloadTest {

    @Test
    public void testBasic() throws IOException {

        List<ReplicatedLogEntry> entries = new ArrayList<>();

        entries.add(0, new ReplicatedLogEntry() {
            @Override public Payload getData() {
                WriteModification writeModification =
                    new WriteModification(TestModel.TEST_PATH, ImmutableNodes
                        .containerNode(TestModel.TEST_QNAME));

                MutableCompositeModification compositeModification =
                    new MutableCompositeModification();

                compositeModification.addModification(writeModification);

                return new CompositeModificationPayload(compositeModification.toSerializable());
            }

            @Override public long getTerm() {
                return 1;
            }

            @Override public long getIndex() {
                return 1;
            }

            @Override
            public int size() {
                return getData().size();
            }
        });

        AppendEntries appendEntries =
            new AppendEntries(1, "member-1", 0, 100, entries, 1, -1, (short)0);

        AppendEntriesMessages.AppendEntries o = (AppendEntriesMessages.AppendEntries)
                appendEntries.toSerializable(RaftVersions.HELIUM_VERSION);

        ByteArrayOutputStream bos = new ByteArrayOutputStream();
        o.writeDelimitedTo(bos);

        AppendEntriesMessages.AppendEntries appendEntries2 =
            AppendEntriesMessages.AppendEntries
                .parseDelimitedFrom(new ByteArrayInputStream(bos.toByteArray()));

        AppendEntries appendEntries1 = AppendEntries.fromSerializable(appendEntries2);

        Payload data = appendEntries1.getEntries().get(0).getData();


        Assert.assertTrue(((CompositeModificationPayload) data).getModification().toString().contains(TestModel.TEST_QNAME.getNamespace().toString()));
    }
}