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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.v3po.translate.impl.write.util;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.fail;
import static org.mockito.Mockito.doReturn;
import static org.mockito.Mockito.doThrow;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.never;
import static org.mockito.Mockito.verify;
import io.fd.honeycomb.v3po.translate.util.write.DelegatingWriterRegistry;
import io.fd.honeycomb.v3po.translate.write.WriteContext;
import io.fd.honeycomb.v3po.translate.write.WriteFailedException;
import io.fd.honeycomb.v3po.translate.write.Writer;
import io.fd.honeycomb.v3po.translate.write.WriterRegistry;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.junit.Before;
import org.junit.Test;
import org.mockito.Mockito;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.Interfaces;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev150105.Vpp;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev150105.VppState;
import org.opendaylight.yangtools.yang.binding.DataObject;
import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
public class DelegatingWriterRegistryTest {
private final InstanceIdentifier<Vpp> vppId;
private final InstanceIdentifier<VppState> vppStateId;
private final InstanceIdentifier<Interfaces> interfaceId;
private WriteContext ctx;
private Writer<Vpp> writer;
private Writer<VppState> vppStateWriter;
private Writer<Interfaces> interfacesWriter;
private DelegatingWriterRegistry registry;
public DelegatingWriterRegistryTest() {
vppId = InstanceIdentifier.create(Vpp.class);
vppStateId = InstanceIdentifier.create(VppState.class);
interfaceId = InstanceIdentifier.create(Interfaces.class);
}
@SuppressWarnings("unchecked")
private <D extends DataObject> Writer<D> mockWriter(Class<D> clazz) {
final Writer<D> mock = (Writer<D>) Mockito.mock(Writer.class);
doReturn(InstanceIdentifier.create(clazz)).when(mock).getManagedDataObjectType();
return mock;
}
private DataObject mockDataObject(final String name, final Class<? extends DataObject> classToMock) {
final DataObject dataBefore = mock(classToMock, name);
doReturn(classToMock).when(dataBefore).getImplementedInterface();
return dataBefore;
}
@SuppressWarnings("unchecked")
private static Map<InstanceIdentifier<?>, DataObject> asMap(DataObject... objects) {
final Map<InstanceIdentifier<?>, DataObject> map = new HashMap<>();
for (DataObject object : objects) {
final Class<? extends DataObject> implementedInterface =
(Class<? extends DataObject>) object.getImplementedInterface();
final InstanceIdentifier<?> id = InstanceIdentifier.create(implementedInterface);
map.put(id, object);
}
return map;
}
@Before
public void setUp() {
ctx = mock(WriteContext.class);
writer = mockWriter(Vpp.class);
vppStateWriter = mockWriter(VppState.class);
interfacesWriter = mockWriter(Interfaces.class);
final List<Writer<? extends DataObject>> writers = new ArrayList<>();
writers.add(writer);
writers.add(vppStateWriter);
writers.add(interfacesWriter);
registry = new DelegatingWriterRegistry(writers);
}
@Test(expected = UnsupportedOperationException.class)
public void testGetManagedDataObjectType() {
registry.getManagedDataObjectType();
}
@Test
public void testBulkUpdateRevert() throws Exception {
// Prepare data changes:
final DataObject dataBefore1 = mockDataObject("Vpp before", Vpp.class);
final DataObject dataAfter1 = mockDataObject("Vpp after", Vpp.class);
final DataObject dataBefore2 = mockDataObject("VppState before", VppState.class);
final DataObject dataAfter2 = mockDataObject("VppState after", VppState.class);
// Fail on update
Mockito.doThrow(new WriteFailedException(InstanceIdentifier.create(Vpp.class), "vpp failed"))
.when(vppStateWriter).update(vppStateId, dataBefore2, dataAfter2, ctx);
// Run the test
try {
registry.update(asMap(dataBefore1, dataBefore2), asMap(dataAfter1, dataAfter2), ctx);
} catch (WriterRegistry.BulkUpdateException e) {
// Check second update failed
assertEquals(vppStateId, e.getFailedId());
verify(writer).update(vppId, dataBefore1, dataAfter1, ctx);
verify(vppStateWriter).update(vppStateId, dataBefore2, dataAfter2, ctx);
// Try to revert changes
e.revertChanges();
// Check revert was successful
verify(writer).update(vppId, dataAfter1, dataBefore1, ctx);
verify(vppStateWriter, never()).update(vppStateId, dataAfter2, dataBefore2, ctx);
return;
}
fail("BulkUpdateException expected");
}
@Test
public void testBulkUpdateRevertFail() throws Exception {
// Prepare data changes:
final DataObject dataBefore1 = mockDataObject("Vpp before", Vpp.class);
final DataObject dataAfter1 = mockDataObject("Vpp after", Vpp.class);
final DataObject dataBefore2 = mockDataObject("VppState before", VppState.class);
final DataObject dataAfter2 = mockDataObject("VppState after", VppState.class);
final DataObject dataBefore3 = mockDataObject("Interfaces before", Interfaces.class);
final DataObject dataAfter3 = mockDataObject("Interfaces after", Interfaces.class);
// Fail on the third update
doThrow(new WriteFailedException(InstanceIdentifier.create(Vpp.class), "vpp failed")).when(interfacesWriter)
.update(interfaceId, dataBefore3, dataAfter3, ctx);
// Fail on the second revert
doThrow(new WriteFailedException(InstanceIdentifier.create(Vpp.class), "vpp failed")).when(writer)
.update(vppId, dataAfter1, dataBefore1, ctx);
// Run the test
try {
registry.update(asMap(dataBefore1, dataBefore2, dataBefore3), asMap(dataAfter1, dataAfter2, dataAfter3), ctx);
} catch (WriterRegistry.BulkUpdateException e) {
// Check third update failed
assertEquals(interfaceId, e.getFailedId());
verify(writer).update(vppId, dataBefore1, dataAfter1, ctx);
verify(vppStateWriter).update(vppStateId, dataBefore2, dataAfter2, ctx);
verify(interfacesWriter).update(interfaceId, dataBefore3, dataAfter3, ctx);
// Try to revert changes
try {
e.revertChanges();
} catch (WriterRegistry.Reverter.RevertFailedException e2) {
// Check second revert failed
assertEquals(Collections.singletonList(vppId), e2.getNotRevertedChanges());
verify(writer).update(vppId, dataAfter1, dataBefore1, ctx);
verify(vppStateWriter).update(vppStateId, dataAfter2, dataBefore2, ctx);
verify(interfacesWriter, never()).update(interfaceId, dataAfter3, dataBefore3, ctx);
return;
}
fail("WriterRegistry.Revert.RevertFailedException expected");
}
fail("BulkUpdateException expected");
}
}
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