/*
 * Copyright (c) 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.config.yang.netconf.mdsal.notification;

import static org.mockito.Matchers.any;
import static org.mockito.Matchers.anyBoolean;
import static org.mockito.Mockito.doNothing;
import static org.mockito.Mockito.doReturn;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.verify;

import com.google.common.util.concurrent.Futures;
import org.junit.Before;
import org.junit.Test;
import org.mockito.Mock;
import org.mockito.MockitoAnnotations;
import org.opendaylight.controller.md.sal.binding.api.DataBroker;
import org.opendaylight.controller.md.sal.binding.api.WriteTransaction;
import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
import org.opendaylight.controller.sal.binding.api.BindingAwareBroker;
import org.opendaylight.netconf.notifications.NetconfNotificationCollector;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.netconf.notification._1._0.rev080714.StreamNameType;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.netmod.notification.rev080714.Netconf;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.netmod.notification.rev080714.netconf.Streams;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.netmod.notification.rev080714.netconf.streams.Stream;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.netmod.notification.rev080714.netconf.streams.StreamBuilder;
import org.opendaylight.yangtools.yang.binding.DataObject;
import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;

public class NotificationToMdsalWriterTest {

    @Mock
    private DataBroker dataBroker;

    private NotificationToMdsalWriter writer;

    @Before
    public void setUp() throws Exception {
        MockitoAnnotations.initMocks(this);
        final NetconfNotificationCollector notificationCollector = mock(NetconfNotificationCollector.class);
        final BindingAwareBroker.ProviderContext session = mock(BindingAwareBroker.ProviderContext.class);
        doReturn(null).when(notificationCollector).registerStreamListener(any(
                NetconfNotificationCollector.NetconfNotificationStreamListener.class));
        doReturn(dataBroker).when(session).getSALService(DataBroker.class);

        WriteTransaction tx = mock(WriteTransaction.class);
        doNothing().when(tx).merge(any(LogicalDatastoreType.class), any(InstanceIdentifier.class)
                , any(DataObject.class), anyBoolean());
        doNothing().when(tx).delete(any(LogicalDatastoreType.class), any(InstanceIdentifier.class));
        doReturn(Futures.immediateCheckedFuture(null)).when(tx).submit();
        doReturn(tx).when(dataBroker).newWriteOnlyTransaction();

        writer = new NotificationToMdsalWriter(notificationCollector);
        writer.onSessionInitiated(session);
    }

    @Test
    public void testStreamRegisteration() {
        final StreamNameType testStreamName = new StreamNameType("TESTSTREAM");
        final Stream testStream = new StreamBuilder().setName(testStreamName).build();
        final InstanceIdentifier streamIdentifier = InstanceIdentifier.create(Netconf.class).child(Streams.class)
                .builder().child(Stream.class, testStream.getKey()).build();

        writer.onStreamRegistered(testStream);

        verify(dataBroker.newWriteOnlyTransaction()).merge(LogicalDatastoreType.OPERATIONAL, streamIdentifier, testStream, true);

        writer.onStreamUnregistered(testStreamName);

        verify(dataBroker.newWriteOnlyTransaction()).delete(LogicalDatastoreType.OPERATIONAL, streamIdentifier);
    }
}