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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.lisp.util;
import static org.mockito.Mockito.doReturn;
import com.google.common.base.Optional;
import com.google.common.collect.Lists;
import io.fd.honeycomb.translate.MappingContext;
import java.util.List;
import javax.annotation.Nonnull;
import org.opendaylight.yang.gen.v1.urn.honeycomb.params.xml.ns.yang.eid.mapping.context.rev160801.Contexts;
import org.opendaylight.yang.gen.v1.urn.honeycomb.params.xml.ns.yang.eid.mapping.context.rev160801.contexts.EidMappingContext;
import org.opendaylight.yang.gen.v1.urn.honeycomb.params.xml.ns.yang.eid.mapping.context.rev160801.contexts.EidMappingContextKey;
import org.opendaylight.yang.gen.v1.urn.honeycomb.params.xml.ns.yang.eid.mapping.context.rev160801.contexts.eid.mapping.context.Mappings;
import org.opendaylight.yang.gen.v1.urn.honeycomb.params.xml.ns.yang.eid.mapping.context.rev160801.contexts.eid.mapping.context.MappingsBuilder;
import org.opendaylight.yang.gen.v1.urn.honeycomb.params.xml.ns.yang.eid.mapping.context.rev160801.contexts.eid.mapping.context.mappings.Mapping;
import org.opendaylight.yang.gen.v1.urn.honeycomb.params.xml.ns.yang.eid.mapping.context.rev160801.contexts.eid.mapping.context.mappings.MappingBuilder;
import org.opendaylight.yang.gen.v1.urn.honeycomb.params.xml.ns.yang.eid.mapping.context.rev160801.contexts.eid.mapping.context.mappings.MappingKey;
import org.opendaylight.yang.gen.v1.urn.honeycomb.params.xml.ns.yang.eid.mapping.context.rev160801.contexts.eid.mapping.context.mappings.mapping.Eid;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.lisp.rev161214.MappingId;
import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
import org.opendaylight.yangtools.yang.binding.KeyedInstanceIdentifier;
/**
* Utility class to stub {@link EidMappingContext}
*
* TODO - HONEYCOMB-237 - generalize logic for naming context and eid mapping context helper utils if possible
*/
public interface EidMappingContextHelper {
/**
* Creates {@link Mapping} for given data.
*
* @param eid to be mapped
* @param id to be mapped @return eid to id mapping
*/
default Optional<Mapping> mapping(@Nonnull final Eid eid, final MappingId id) {
return Optional.of(new MappingBuilder().setEid(eid).setId(id).build());
}
/**
* Creates {@link KeyedInstanceIdentifier} for {@link Mapping} in {@link EidMappingContext}.
*
* @param id identificator of the mapping
* @param mappingContextName identificator of the mapping context
* @return identifier for the mapping
*/
default KeyedInstanceIdentifier<Mapping, MappingKey> mappingIid(@Nonnull final MappingId id,
@Nonnull final String mappingContextName) {
return InstanceIdentifier.create(Contexts.class).child(EidMappingContext.class,
new EidMappingContextKey(mappingContextName)).child(Mappings.class)
.child(Mapping.class, new MappingKey(id));
}
/**
* Stubs {@link MappingContext#read} to include given mapping in {@link EidMappingContext}.
*
* @param mappingContext mock instance of {@link MappingContext}
* @param eid name of the mapping
* @param mappingName index to be mapped
* @param namingContextName name of the naming context
*/
default void defineEidMapping(@Nonnull final MappingContext mappingContext, @Nonnull final Eid eid,
final MappingId mappingName, @Nonnull final String namingContextName) {
final KeyedInstanceIdentifier<Mapping, MappingKey> mappingIid = mappingIid(mappingName, namingContextName);
final InstanceIdentifier<Mappings> mappingsIid = mappingIid.firstIdentifierOf(Mappings.class);
final Optional<Mapping> singleMapping = mapping(eid, mappingName);
final List<Mapping> list = Common.getMappingList(mappingContext, mappingsIid);
list.add(singleMapping.get());
doReturn(Optional.of(new MappingsBuilder().setMapping(list).build())).when(mappingContext).read(mappingsIid);
doReturn(singleMapping).when(mappingContext).read(mappingIid);
}
default void noEidMappingDefined(@Nonnull final MappingContext mappingContext, @Nonnull final String name,
@Nonnull final String namingContextName) {
final InstanceIdentifier<Mappings> iid =
mappingIid(new MappingId(name), namingContextName).firstIdentifierOf(Mappings.class);
final List<Mapping> list = Common.getMappingList(mappingContext, iid);
doReturn(Optional.of(new MappingsBuilder().setMapping(list).build())).when(mappingContext).read(iid);
doReturn(Optional.absent()).when(mappingContext).read(mappingIid(new MappingId(name), namingContextName));
}
final class Common {
private static List<Mapping> getMappingList(@Nonnull final MappingContext mappingContext,
@Nonnull final InstanceIdentifier<Mappings> mappingsIid) {
final Optional<Mappings> previousMappings = mappingContext.read(mappingsIid);
final MappingsBuilder mappingsBuilder;
if (previousMappings != null && previousMappings.isPresent()) {
mappingsBuilder = new MappingsBuilder(previousMappings.get());
} else {
mappingsBuilder = new MappingsBuilder();
mappingsBuilder.setMapping(Lists.newArrayList());
}
return mappingsBuilder.getMapping();
}
}
}
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