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path: root/infra/translate-utils/src/test/java/io/fd/honeycomb/translate/util/RealtimeMappingContextTest.java
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/*
 * Copyright (c) 2016 Cisco and/or its affiliates.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at:
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package io.fd.honeycomb.translate.util;

import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertSame;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;

import com.google.common.util.concurrent.FluentFuture;
import java.util.Optional;
import org.junit.Before;
import org.junit.Test;
import org.mockito.Mock;
import org.mockito.MockitoAnnotations;
import org.opendaylight.mdsal.binding.api.DataBroker;
import org.opendaylight.mdsal.binding.api.ReadTransaction;
import org.opendaylight.mdsal.binding.api.WriteTransaction;
import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
import org.opendaylight.mdsal.common.api.TransactionCommitFailedException;
import org.opendaylight.yangtools.util.concurrent.FluentFutures;
import org.opendaylight.yangtools.yang.binding.DataObject;
import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;

public class RealtimeMappingContextTest {

    @Mock
    private DataBroker broker;
    private RealtimeMappingContext ctx;
    private InstanceIdentifier<DataObject> id = InstanceIdentifier.create(DataObject.class);
    @Mock
    private ReadTransaction readTx;
    @Mock
    private WriteTransaction writeTx;
    @Mock
    private DataObject data;
    private TransactionCommitFailedException ex = new TransactionCommitFailedException("test fail");

    @Before
    public void setUp() throws Exception {
        MockitoAnnotations.initMocks(this);
        ctx = new RealtimeMappingContext(broker);

        when(broker.newReadOnlyTransaction()).thenReturn(readTx);
        when(broker.newWriteOnlyTransaction()).thenReturn(writeTx);
        when(writeTx.commit()).thenReturn(FluentFutures.immediateNullFluentFuture());
    }

    @Test
    public void testRead() {
        final FluentFuture<Optional<DataObject>> futureData =
                FluentFutures.immediateFluentFuture(Optional.of((data)));
        when(readTx.read(LogicalDatastoreType.OPERATIONAL, id)).thenReturn(futureData);

        assertSame(ctx.read(id).get(), data);
        verify(broker).newReadOnlyTransaction();
        verify(readTx).read(LogicalDatastoreType.OPERATIONAL, id);

        when(readTx.read(LogicalDatastoreType.OPERATIONAL, id))
                .thenReturn(FluentFutures.immediateFluentFuture(Optional.empty()));
        assertFalse(ctx.read(id).isPresent());
    }

    @Test
    public void testMerge() {
        ctx.merge(id, data);
        verify(broker).newWriteOnlyTransaction();
        verify(writeTx).mergeParentStructureMerge(LogicalDatastoreType.OPERATIONAL, id, data);
    }

    @Test(expected = IllegalStateException.class)
    public void testMergeFailure() throws Exception {
        when(writeTx.commit()).thenReturn(FluentFutures.immediateFailedFluentFuture(ex));
        ctx.merge(id, data);
    }

    @Test
    public void testPut() {
        ctx.put(id, data);
        verify(broker).newWriteOnlyTransaction();
        verify(writeTx).mergeParentStructurePut(LogicalDatastoreType.OPERATIONAL, id, data);
    }

    @Test(expected = IllegalStateException.class)
    public void testPutFailure() {
        when(writeTx.commit()).thenReturn(FluentFutures.immediateFailedFluentFuture(ex));
        ctx.put(id, data);
    }

    @Test
    public void testDelete() {
        ctx.delete(id);
        verify(broker).newWriteOnlyTransaction();
        verify(writeTx).delete(LogicalDatastoreType.OPERATIONAL, id);
    }

    @Test(expected = IllegalStateException.class)
    public void testDeleteFailure() {
        when(writeTx.commit()).thenReturn(FluentFutures.immediateFailedFluentFuture(ex));
        ctx.delete(id);
    }
}