/
ProtoSubjectBuilder.java
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/
ProtoSubjectBuilder.java
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/*
* Copyright (c) 2016 Google, Inc.
*
* 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 com.google.common.truth.extensions.proto;
import com.google.common.collect.ListMultimap;
import com.google.common.collect.Multimap;
import com.google.common.collect.SetMultimap;
import com.google.common.truth.CustomSubjectBuilder;
import com.google.common.truth.CustomSubjectBuilderFactory;
import com.google.common.truth.FailureStrategy;
import com.google.protobuf.Message;
import com.google.protobuf.MessageLite;
import java.util.Map;
import javax.annotation.Nullable;
/**
* {@link CustomSubjectBuilder} which aggregates all Proto-related {@link
* com.google.common.truth.Subject} classes into a single place.
*
* <p>To obtain an instance, call {@code assertAbout(ProtoTruth.protos())}.
*/
public final class ProtoSubjectBuilder extends CustomSubjectBuilder {
/** Factory for ProtoSubjectBuilder. */
private static class Factory implements CustomSubjectBuilderFactory<ProtoSubjectBuilder> {
private static final Factory INSTANCE = new Factory();
@Override
public ProtoSubjectBuilder createSubjectBuilder(FailureStrategy failureStrategy) {
return new ProtoSubjectBuilder(failureStrategy);
}
}
static CustomSubjectBuilderFactory<ProtoSubjectBuilder> factory() {
return Factory.INSTANCE;
}
private ProtoSubjectBuilder(FailureStrategy failureStrategy) {
super(failureStrategy);
}
public LiteProtoSubject<?, MessageLite> that(@Nullable MessageLite messageLite) {
return new LiteProtoSubject.MessageLiteSubject(failureStrategy(), messageLite);
}
public ProtoSubject<?, Message> that(@Nullable Message message) {
return new ProtoSubject.MessageSubject(failureStrategy(), message);
}
public <M extends Message> IterableOfProtosSubject<?, M, Iterable<M>> that(
@Nullable Iterable<M> messages) {
return new IterableOfProtosSubject.IterableOfMessagesSubject<M>(failureStrategy(), messages);
}
public <K, M extends Message> MapWithProtoValuesSubject<?, K, M, Map<K, M>> that(
@Nullable Map<K, M> map) {
return new MapWithProtoValuesSubject.MapWithMessageValuesSubject<K, M>(failureStrategy(), map);
}
public <K, M extends Message> MultimapWithProtoValuesSubject<?, K, M, Multimap<K, M>> that(
@Nullable Multimap<K, M> map) {
return new MultimapWithProtoValuesSubject.MultimapWithMessageValuesSubject<K, M>(
failureStrategy(), map);
}
public <K, M extends Message>
ListMultimapWithProtoValuesSubject<?, K, M, ListMultimap<K, M>> that(
@Nullable ListMultimap<K, M> map) {
return new ListMultimapWithProtoValuesSubject.ListMultimapWithMessageValuesSubject<K, M>(
failureStrategy(), map);
}
public <K, M extends Message> SetMultimapWithProtoValuesSubject<?, K, M, SetMultimap<K, M>> that(
@Nullable SetMultimap<K, M> map) {
return new SetMultimapWithProtoValuesSubject.SetMultimapWithMessageValuesSubject<K, M>(
failureStrategy(), map);
}
}