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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.vpp.test.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.naming.context.rev160513.Contexts;
import org.opendaylight.yang.gen.v1.urn.honeycomb.params.xml.ns.yang.naming.context.rev160513.contexts.NamingContext;
import org.opendaylight.yang.gen.v1.urn.honeycomb.params.xml.ns.yang.naming.context.rev160513.contexts.NamingContextKey;
import org.opendaylight.yang.gen.v1.urn.honeycomb.params.xml.ns.yang.naming.context.rev160513.contexts.naming.context.Mappings;
import org.opendaylight.yang.gen.v1.urn.honeycomb.params.xml.ns.yang.naming.context.rev160513.contexts.naming.context.MappingsBuilder;
import org.opendaylight.yang.gen.v1.urn.honeycomb.params.xml.ns.yang.naming.context.rev160513.contexts.naming.context.mappings.Mapping;
import org.opendaylight.yang.gen.v1.urn.honeycomb.params.xml.ns.yang.naming.context.rev160513.contexts.naming.context.mappings.MappingBuilder;
import org.opendaylight.yang.gen.v1.urn.honeycomb.params.xml.ns.yang.naming.context.rev160513.contexts.naming.context.mappings.MappingKey;
import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
import org.opendaylight.yangtools.yang.binding.KeyedInstanceIdentifier;
/**
* Utility that helps stubbing {@link io.fd.honeycomb.translate.vpp.util.NamingContext} methods.
*/
// TODO(HONEYCOMB-226): the class needs to be refactored or even removed after extracting interface from NamingContext
public interface NamingContextHelper {
/**
* Creates {@link Mapping} for given data.
*
* @param name to be mapped
* @param index to be mapped
* @return name to index mapping
*/
default Optional<Mapping> mapping(@Nonnull final String name, final int index) {
return Optional.of(new MappingBuilder().setName(name).setIndex(index).build());
}
/**
* Creates {@link KeyedInstanceIdentifier} for {@link Mapping} in {@link NamingContext}.
*
* @param name name of the mapping
* @param namingContextName name of the naming context
* @return identifier for the mapping
*/
default KeyedInstanceIdentifier<Mapping, MappingKey> mappingIid(@Nonnull final String name,
@Nonnull final String namingContextName) {
return InstanceIdentifier.create(Contexts.class).child(NamingContext.class,
new NamingContextKey(namingContextName)).child(Mappings.class).child(Mapping.class, new MappingKey(name));
}
/**
* Stubs {@link MappingContext#read} to include given mapping in {@link NamingContext}.
*
* @param mappingContext mock instance of {@link MappingContext}
* @param name name of the mapping
* @param index index to be mapped
* @param namingContextName name of the naming context
*/
default void defineMapping(@Nonnull final MappingContext mappingContext, @Nonnull final String name,
final int index, @Nonnull final String namingContextName) {
final KeyedInstanceIdentifier<Mapping, MappingKey> mappingIid = mappingIid(name, namingContextName);
final InstanceIdentifier<Mappings> mappingsIid = mappingIid.firstIdentifierOf(Mappings.class);
final Optional<Mapping> singleMapping = mapping(name, index);
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);
}
/**
* Stubs {@link MappingContext#read} for given {@link NamingContext} to return {@link Optional#absent} for provided
* name.
*
* @param mappingContext mock instance of {@link MappingContext}
* @param name name of the mapping
* @param namingContextName name of the naming context
*/
default void noMappingDefined(@Nonnull final MappingContext mappingContext, @Nonnull final String name,
@Nonnull final String namingContextName) {
final InstanceIdentifier<Mappings> iid = mappingIid(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(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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