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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.impl.read.registry;
import static io.fd.honeycomb.translate.util.DataObjects.DataObject3;
import static io.fd.honeycomb.translate.util.DataObjects.DataObject3.DataObject31;
import static io.fd.honeycomb.translate.util.DataObjects.DataObject4;
import static io.fd.honeycomb.translate.util.DataObjects.DataObject4.DataObject41;
import static org.mockito.Matchers.any;
import static org.mockito.Mockito.doReturn;
import static org.mockito.Mockito.inOrder;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.times;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;
import com.google.common.base.Optional;
import com.google.common.collect.ImmutableMap;
import com.google.common.collect.Lists;
import io.fd.honeycomb.translate.read.ReadContext;
import io.fd.honeycomb.translate.read.Reader;
import org.junit.Before;
import org.junit.Test;
import org.mockito.InOrder;
import org.mockito.Mock;
import org.mockito.Mockito;
import org.mockito.MockitoAnnotations;
import org.opendaylight.yangtools.concepts.Builder;
import org.opendaylight.yangtools.yang.binding.DataObject;
import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
public class CompositeReaderRegistryTest {
@Mock
private ReadContext ctx;
private CompositeReaderRegistry reg;
private Reader<DataObject31, Builder<DataObject31>> reader31;
private Reader<DataObject3, Builder<DataObject3>> rootReader3;
private Reader<DataObject41, Builder<DataObject41>> reader41;
private Reader<DataObject4, Builder<DataObject4>> rootReader4;
@Before
public void setUp() throws Exception {
MockitoAnnotations.initMocks(this);
reader31 = mockReader(DataObject31.class);
final Reader<DataObject3, Builder<DataObject3>> mockedReader3 = mockReader(DataObject3.class);
rootReader3 =
Mockito.spy(CompositeReader.createForReader(
mockedReader3,
ImmutableMap.of(DataObject31.class, reader31)));
// This is a workaround. This functionality is already present in CompositeReader, however when wrapping as spy
// null is always returned. That's why we need to explicitly stub the method with its actual implementation.
// The problem is that the method is inherited as default method from an interface and mockito's spy seems to
// have a problem there
doReturn(mockedReader3.getBuilder(InstanceIdentifier.create(DataObject3.class)))
.when(rootReader3).getBuilder(any(InstanceIdentifier.class));
reader41 = mockReader(DataObject41.class);
final Reader<DataObject4, Builder<DataObject4>> mockedReader4 = mockReader(DataObject4.class);
rootReader4 =
Mockito.spy(CompositeReader.createForReader(
mockedReader4, ImmutableMap.of(
DataObject41.class, reader41)));
// Workaround
doReturn(mockedReader4.getBuilder(InstanceIdentifier.create(DataObject4.class)))
.when(rootReader4).getBuilder(any(InstanceIdentifier.class));
reg = new CompositeReaderRegistry(Lists.newArrayList(rootReader3, rootReader4));
}
@Test
public void testReadAll() throws Exception {
reg.readAll(ctx);
// Invoked according to composite ordering
final InOrder inOrder = inOrder(rootReader3, rootReader4, reader31, reader41);
inOrder.verify(rootReader3).read(any(InstanceIdentifier.class), any(ReadContext.class));
inOrder.verify(reader31).read(any(InstanceIdentifier.class), any(ReadContext.class));
inOrder.verify(rootReader4).read(any(InstanceIdentifier.class), any(ReadContext.class));
inOrder.verify(reader41).read(any(InstanceIdentifier.class), any(ReadContext.class));
}
@Test
public void testReadSingleRoot() throws Exception {
reg.read(DataObject3.IID, ctx);
// Invoked according to composite ordering
final InOrder inOrder = inOrder(rootReader3, rootReader4, reader31, reader41);
inOrder.verify(rootReader3).read(any(InstanceIdentifier.class), any(ReadContext.class));
inOrder.verify(reader31).read(any(InstanceIdentifier.class), any(ReadContext.class));
// Only subtree under DataObject3 should be read
verify(rootReader4, times(0)).read(any(InstanceIdentifier.class), any(ReadContext.class));
verify(reader41, times(0)).read(any(InstanceIdentifier.class), any(ReadContext.class));
}
@SuppressWarnings("unchecked")
static <D extends DataObject, B extends Builder<D>> Reader<D, B> mockReader(final Class<D> dataType)
throws Exception {
final Reader r = mock(Reader.class);
final Object iid = dataType.getDeclaredField("IID").get(null);
when(r.getManagedDataObjectType()).thenReturn((InstanceIdentifier) iid);
final Builder builder = mock(Builder.class);
when(builder.build()).thenReturn(mock(dataType));
when(r.getBuilder(any(InstanceIdentifier.class))).thenReturn(builder);
when(r.read(any(InstanceIdentifier.class), any(ReadContext.class))).thenReturn(Optional.of(mock(dataType)));
return (Reader<D, B>) r;
}
}
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