/*
 * Copyright (c) 2013 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.datastore.internal;

import java.util.concurrent.ConcurrentHashMap;

import org.apache.felix.dm.Component;
import org.junit.BeforeClass;
import org.junit.Test;
import org.opendaylight.controller.clustering.services.CacheConfigException;
import org.opendaylight.controller.clustering.services.CacheExistException;
import org.opendaylight.controller.clustering.services.IClusterGlobalServices;
import org.opendaylight.controller.md.sal.common.api.data.DataCommitHandler.DataCommitTransaction;
import org.opendaylight.controller.md.sal.common.api.data.DataModification;
import org.opendaylight.yangtools.yang.data.api.CompositeNode;
import org.opendaylight.yangtools.yang.data.api.InstanceIdentifier;

import static junit.framework.Assert.assertNotNull;
import static org.junit.Assert.assertEquals;
import static org.mockito.Matchers.any;
import static org.mockito.Mockito.doReturn;
import static org.mockito.Mockito.doThrow;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.spy;
import static org.mockito.Mockito.when;

public class ClusteredDataStoreManagerTest {

    private static ClusteredDataStoreManager clusteredDSMgr = null;
    private IClusterGlobalServices icClusterGlbServices = mock(IClusterGlobalServices.class);

    @BeforeClass
    public static void construct() {
        clusteredDSMgr = new ClusteredDataStoreManager();
        assertNotNull(clusteredDSMgr);
    }

    @Test
    public void construct_OnSetClusterGlobalServices_AssertNoException() {
        doReturn(new ConcurrentHashMap<InstanceIdentifier, CompositeNode>()).when(icClusterGlbServices).getCache(ClusteredDataStoreImpl.CONFIGURATION_DATA_CACHE);
        doReturn(new ConcurrentHashMap<InstanceIdentifier, CompositeNode>()).when(icClusterGlbServices).getCache(ClusteredDataStoreImpl.OPERATIONAL_DATA_CACHE);
        clusteredDSMgr.setClusterGlobalServices(icClusterGlbServices);
    }

    @Test
    public void construct_init_AssertNoException() throws CacheExistException, CacheConfigException {
        ClusteredDataStoreImpl clusteredDSImpl = mock(ClusteredDataStoreImpl.class);

        ClusteredDataStoreManager clusteredDSManager = spy(new ClusteredDataStoreManager());
        doReturn(clusteredDSImpl).when(clusteredDSManager).createClusteredDataStore();
        clusteredDSManager.start();
    }


    @Test
    public void construct_readOperationalData_AssertNoException() throws CacheExistException, CacheConfigException {
        ClusteredDataStoreImpl clusteredDSImpl = mock(ClusteredDataStoreImpl.class);

        ClusteredDataStoreManager clusteredDSManager = spy(new ClusteredDataStoreManager());
        doReturn(clusteredDSImpl).when(clusteredDSManager).createClusteredDataStore();
        Component c = mock(Component.class);
        
        clusteredDSManager.start();
        clusteredDSManager.setClusterGlobalServices(icClusterGlbServices);
        CompositeNode o = mock(CompositeNode.class);

        when(clusteredDSImpl.readOperationalData(any(InstanceIdentifier.class))).thenReturn(o);
        assertEquals(o, clusteredDSManager.readOperationalData(any(InstanceIdentifier.class)));
    }

    @Test
    public void construct_readConfigurationData_AssertNoException() throws CacheExistException, CacheConfigException {
        ClusteredDataStoreImpl clusteredDSImpl = mock(ClusteredDataStoreImpl.class);

        ClusteredDataStoreManager clusteredDSManager = spy(new ClusteredDataStoreManager());
        doReturn(clusteredDSImpl).when(clusteredDSManager).createClusteredDataStore();
        Component c = mock(Component.class);

        clusteredDSManager.start();
        clusteredDSManager.setClusterGlobalServices(icClusterGlbServices);
        
        CompositeNode o = mock(CompositeNode.class);

        when(clusteredDSImpl.readConfigurationData(any(InstanceIdentifier.class))).thenReturn(o);
        assertEquals(o, clusteredDSManager.readConfigurationData(any(InstanceIdentifier.class)));
    }

    @Test
    public void construct_requestCommit_AssertNoException() throws CacheExistException, CacheConfigException {
        ClusteredDataStoreImpl clusteredDSImpl = mock(ClusteredDataStoreImpl.class);

        ClusteredDataStoreManager clusteredDSManager = spy(new ClusteredDataStoreManager());
        doReturn(clusteredDSImpl).when(clusteredDSManager).createClusteredDataStore();
        IClusterGlobalServices globalServices = mock(IClusterGlobalServices.class);
        clusteredDSManager.setClusterGlobalServices(globalServices);
        clusteredDSManager.start();
        DataCommitTransaction dataCommitTransaction = mock(DataCommitTransaction.class);

        when(clusteredDSImpl.requestCommit(any(DataModification.class))).thenReturn(dataCommitTransaction);
        assertEquals(dataCommitTransaction, clusteredDSManager.requestCommit(any(DataModification.class)));
    }
}