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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.read.registry;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import static org.mockito.Mockito.when;
import com.google.common.collect.ImmutableMap;
import com.google.common.collect.Lists;
import io.fd.honeycomb.translate.read.Reader;
import io.fd.honeycomb.translate.read.registry.ReaderRegistry;
import io.fd.honeycomb.translate.util.DataObjects;
import java.util.List;
import java.util.Map;
import org.junit.Test;
import org.mockito.Mockito;
import org.opendaylight.yangtools.concepts.Builder;
import org.opendaylight.yangtools.yang.binding.DataObject;
import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
public class CompositeReaderRegistryBuilderTest {
private Reader<DataObjects.DataObject1, Builder<DataObjects.DataObject1>> reader1 =
mock(DataObjects.DataObject1.class);
private Reader<DataObjects.DataObject2, Builder<DataObjects.DataObject2>> reader2 =
mock(DataObjects.DataObject2.class);
private Reader<DataObjects.DataObject3, Builder<DataObjects.DataObject3>> reader3 =
mock(DataObjects.DataObject3.class);
private Reader<DataObjects.DataObject3.DataObject31, Builder<DataObjects.DataObject3.DataObject31>> reader31 =
mock(DataObjects.DataObject3.DataObject31.class);
private Reader<DataObjects.DataObject4, Builder<DataObjects.DataObject4>> reader4 =
mock(DataObjects.DataObject4.class);
private Reader<DataObjects.DataObject4.DataObject41, Builder<DataObjects.DataObject4.DataObject41>> reader41 =
mock(DataObjects.DataObject4.DataObject41.class);
private Reader<DataObjects.DataObject4.DataObject41.DataObject411, Builder<DataObjects.DataObject4.DataObject41.DataObject411>> reader411 =
mock(DataObjects.DataObject4.DataObject41.DataObject411.class);
private Reader<DataObjects.DataObject4.DataObject42, Builder<DataObjects.DataObject4.DataObject42>> reader42 =
mock(DataObjects.DataObject4.DataObject42.class);
@SuppressWarnings("unchecked")
private <D extends DataObject> Reader<D, Builder<D>> mock(final Class<D> dataObjectType) {
final Reader<D, Builder<D>> mock = Mockito.mock(Reader.class);
try {
when(mock.getManagedDataObjectType())
.thenReturn(((InstanceIdentifier<D>) dataObjectType.getDeclaredField("IID").get(null)));
} catch (IllegalAccessException | NoSuchFieldException e) {
throw new RuntimeException(e);
}
return mock;
}
@Test
public void testCompositeStructure() throws Exception {
final CompositeReaderRegistryBuilder compositeReaderRegistryBuilder = new CompositeReaderRegistryBuilder();
/*
Composite reader structure ordered left from right
1, 2, 3, 4
31 42, 41
411
*/
compositeReaderRegistryBuilder.add(reader1);
compositeReaderRegistryBuilder.addAfter(reader2, reader1.getManagedDataObjectType());
compositeReaderRegistryBuilder.addAfter(reader3, reader2.getManagedDataObjectType());
compositeReaderRegistryBuilder.addAfter(reader31, reader1.getManagedDataObjectType());
compositeReaderRegistryBuilder.addAfter(reader4, reader3.getManagedDataObjectType());
compositeReaderRegistryBuilder.add(reader41);
compositeReaderRegistryBuilder.addBefore(reader42, reader41.getManagedDataObjectType());
compositeReaderRegistryBuilder.add(reader411);
final ReaderRegistry build = compositeReaderRegistryBuilder.build();
final Map<Class<? extends DataObject>, Reader<? extends DataObject, ? extends Builder<?>>> rootReaders =
((CompositeReaderRegistry) build).getRootReaders();
final List<Class<? extends DataObject>> rootReaderOrder = Lists.newArrayList(rootReaders.keySet());
assertEquals(reader1.getManagedDataObjectType().getTargetType(), rootReaderOrder.get(0));
assertEquals(reader2.getManagedDataObjectType().getTargetType(), rootReaderOrder.get(1));
assertEquals(reader3.getManagedDataObjectType().getTargetType(), rootReaderOrder.get(2));
assertEquals(reader4.getManagedDataObjectType().getTargetType(), rootReaderOrder.get(3));
assertFalse(rootReaders.get(DataObjects.DataObject1.class) instanceof CompositeReader);
assertFalse(rootReaders.get(DataObjects.DataObject2.class) instanceof CompositeReader);
assertTrue(rootReaders.get(DataObjects.DataObject3.class) instanceof CompositeReader);
assertTrue(rootReaders.get(DataObjects.DataObject4.class) instanceof CompositeReader);
final ImmutableMap<Class<?>, Reader<? extends DataObject, ? extends Builder<?>>> childReaders =
((CompositeReader<? extends DataObject, ? extends Builder<?>>) rootReaders
.get(DataObjects.DataObject4.class)).getChildReaders();
final List<Class<?>> orderedChildReaders = Lists.newArrayList(childReaders.keySet());
assertEquals(reader42.getManagedDataObjectType().getTargetType(), orderedChildReaders.get(0));
assertEquals(reader41.getManagedDataObjectType().getTargetType(), orderedChildReaders.get(1));
assertTrue(childReaders.get(DataObjects.DataObject4.DataObject41.class) instanceof CompositeReader);
assertFalse(childReaders.get(DataObjects.DataObject4.DataObject42.class) instanceof CompositeReader);
}
}
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