/*
 * Copyright (c) 2017 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.openflowplugin.applications.bulk.o.matic;

import static org.mockito.Mockito.doReturn;

import java.util.concurrent.ExecutorService;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.ArgumentMatchers;
import org.mockito.Mock;
import org.mockito.Mockito;
import org.mockito.junit.MockitoJUnitRunner;
import org.opendaylight.mdsal.binding.api.DataBroker;
import org.opendaylight.mdsal.binding.api.WriteTransaction;
import org.opendaylight.mdsal.common.api.CommitInfo;
import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
import org.opendaylight.yangtools.yang.binding.DataObject;
import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;

/**
 * Test for {@link FlowWriterSequential}.
 */
@RunWith(MockitoJUnitRunner.class)
public class TableWriterTest {
    private static final int TABLES_PER_DPN = 100;
    private static final int DPN_COUNT = 1;
    private static final short START_TABLE_ID = 0;
    private static final short END_TABLE_ID = 99;

    @Mock
    private DataBroker mockDataBroker;
    @Mock
    private ExecutorService mockTablePusher;
    @Mock
    private WriteTransaction writeTransaction;

    private TableWriter tableWriter;

    @Before
    public void setUp() throws Exception {

        doReturn(writeTransaction).when(mockDataBroker).newWriteOnlyTransaction();
        doReturn(CommitInfo.emptyFluentFuture()).when(writeTransaction).commit();

        Mockito.doAnswer(invocation -> {
            ((Runnable) invocation.getArguments()[0]).run();
            return null;
        }).when(mockTablePusher).execute(ArgumentMatchers.<Runnable>any());

        tableWriter = new TableWriter(mockDataBroker, mockTablePusher);
    }

    @Test
    public void testAddTables() throws Exception {
        tableWriter.addTables(DPN_COUNT, START_TABLE_ID, END_TABLE_ID);
        Mockito.verify(writeTransaction, Mockito.times(TABLES_PER_DPN))
                .put(ArgumentMatchers.<LogicalDatastoreType>any(),
                        ArgumentMatchers.<InstanceIdentifier<DataObject>>any(), ArgumentMatchers.<DataObject>any(),
                        ArgumentMatchers.anyBoolean());
    }

    @Test
    public void testDeleteTables() throws Exception {
        tableWriter.deleteTables(DPN_COUNT, START_TABLE_ID, END_TABLE_ID);
        Mockito.verify(writeTransaction, Mockito.times(TABLES_PER_DPN))
                .delete(ArgumentMatchers.<LogicalDatastoreType>any(),
                        ArgumentMatchers.<InstanceIdentifier<DataObject>>any());
    }
}