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/*
* Copyright (c) 2017 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.data.impl;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
import static org.mockito.ArgumentMatchers.any;
import static org.mockito.ArgumentMatchers.eq;
import static org.mockito.Mockito.doThrow;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.times;
import static org.mockito.Mockito.verify;
import com.google.common.collect.ImmutableList;
import io.fd.honeycomb.translate.TranslationException;
import io.fd.honeycomb.translate.write.DataObjectUpdate;
import io.fd.honeycomb.translate.write.WriteContext;
import io.fd.honeycomb.translate.write.registry.UpdateFailedException;
import io.fd.honeycomb.translate.write.registry.WriterRegistry;
import java.util.Collections;
import java.util.Iterator;
import org.junit.Before;
import org.junit.Test;
import org.mockito.ArgumentCaptor;
import org.mockito.Captor;
import org.mockito.Mock;
import org.mockito.MockitoAnnotations;
import org.opendaylight.yangtools.yang.binding.DataObject;
import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
public class ReverterTest {
private static final InstanceIdentifier<DataObject> IID_0 = InstanceIdentifier.create(DataObject.class);
private static final InstanceIdentifier<DataObject1> IID_1 = InstanceIdentifier.create(DataObject1.class);
private static final InstanceIdentifier<DataObject2> IID_2 = InstanceIdentifier.create(DataObject2.class);
@Mock
private WriterRegistry registry;
@Mock
private WriteContext writeContext;
@Captor
private ArgumentCaptor<WriterRegistry.DataObjectUpdates> updateCaptor;
@Before
public void init() {
MockitoAnnotations.initMocks(this);
}
@Test
public void revertSingle() throws Exception {
final DataObjectUpdate create = DataObjectUpdate.create(IID_0, null, mock(DataObject.class));
new Reverter(ImmutableList.of(create), registry).revert(writeContext);
assertSingleRevert(create);
}
@Test
public void revertSingleFailed() throws TranslationException {
final DataObjectUpdate create = DataObjectUpdate.create(IID_0, null, mock(DataObject.class));
final UpdateFailedException ex =
new UpdateFailedException(new IllegalStateException(), Collections.emptyList(), create);
doThrow(ex).when(registry)
.processModifications(any(WriterRegistry.DataObjectUpdates.class), any(WriteContext.class));
try {
new Reverter(ImmutableList.of(create), registry).revert(writeContext);
} catch (Reverter.RevertFailedException e) {
assertEquals(ex, e.getCause());
assertSingleRevert(create);
return;
}
fail("Reverter.RevertFailedException was expected");
}
@Test
public void revertSingleFailedWithUnexpectedEx() throws TranslationException {
final DataObjectUpdate create = DataObjectUpdate.create(IID_0, null, mock(DataObject.class));
final IllegalStateException ex = new IllegalStateException();
doThrow(ex).when(registry)
.processModifications(any(WriterRegistry.DataObjectUpdates.class), any(WriteContext.class));
try {
new Reverter(ImmutableList.of(create), registry).revert(writeContext);
} catch (Reverter.RevertFailedException e) {
assertEquals(ex, e.getCause());
assertSingleRevert(create);
return;
}
fail("IllegalStateException was expected");
}
@Test
public void revertMultiple() throws Exception {
final DataObjectUpdate create = DataObjectUpdate.create(IID_0, null, mock(DataObject.class));
final DataObjectUpdate update =
DataObjectUpdate.create(IID_1, mock(DataObject1.class), mock(DataObject1.class));
final DataObjectUpdate delete = DataObjectUpdate.create(IID_2, mock(DataObject2.class), null);
new Reverter(ImmutableList.of(create, update, delete), registry).revert(writeContext);
assertMultiRevert(create, update, delete);
}
@Test
public void revertMultipleFailed() throws Exception {
final DataObjectUpdate create = DataObjectUpdate.create(IID_0, null, mock(DataObject.class));
final DataObjectUpdate update =
DataObjectUpdate.create(IID_1, mock(DataObject1.class), mock(DataObject1.class));
final DataObjectUpdate delete = DataObjectUpdate.create(IID_2, mock(DataObject2.class), null);
final UpdateFailedException ex =
new UpdateFailedException(new IllegalStateException(), ImmutableList.of(create, update), create);
doThrow(ex).when(registry)
.processModifications(any(WriterRegistry.DataObjectUpdates.class), any(WriteContext.class));
try {
new Reverter(ImmutableList.of(create, update, delete), registry).revert(writeContext);
} catch (Reverter.RevertFailedException e) {
assertEquals(ex, e.getCause());
assertMultiRevert(create, update, delete);
return;
}
fail("Reverter.RevertFailedException was expected");
}
@Test
public void revertMultipleFailedWithUnnexpectedException() throws Exception {
final DataObjectUpdate create = DataObjectUpdate.create(IID_0, null, mock(DataObject.class));
final DataObjectUpdate update =
DataObjectUpdate.create(IID_1, mock(DataObject1.class), mock(DataObject1.class));
final DataObjectUpdate delete = DataObjectUpdate.create(IID_2, mock(DataObject2.class), null);
final IllegalStateException ex = new IllegalStateException();
doThrow(ex).when(registry)
.processModifications(any(WriterRegistry.DataObjectUpdates.class), any(WriteContext.class));
try {
new Reverter(ImmutableList.of(create, update, delete), registry).revert(writeContext);
} catch (Reverter.RevertFailedException e) {
assertEquals(ex, e.getCause());
assertMultiRevert(create, update, delete);
return;
}
fail("IllegalStateException was expected");
}
private void assertSingleRevert(final DataObjectUpdate create) throws TranslationException {
verify(registry, times(1)).processModifications(updateCaptor.capture(), eq(writeContext));
final WriterRegistry.DataObjectUpdates updates = updateCaptor.getValue();
assertTrue(updates.getDeletes().containsValue(create.reverse()));
assertTrue(updates.getUpdates().isEmpty());
}
private void assertMultiRevert(final DataObjectUpdate create, final DataObjectUpdate update,
final DataObjectUpdate delete) throws TranslationException {
verify(registry, times(1)).processModifications(updateCaptor.capture(), eq(writeContext));
final WriterRegistry.DataObjectUpdates updates = updateCaptor.getValue();
final Iterator<DataObjectUpdate.DataObjectDelete> deletesIterator = updates.getDeletes().values().iterator();
final Iterator<DataObjectUpdate> updatesIterator = updates.getUpdates().values().iterator();
assertEquals(updatesIterator.next(), delete.reverse());
assertEquals(updatesIterator.next(), update.reverse());
assertEquals(deletesIterator.next(), create.reverse());
}
private interface DataObject1 extends DataObject {
}
private interface DataObject2 extends DataObject {
}
}
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