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MappingStrategiesBuilderTest.java
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MappingStrategiesBuilderTest.java
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/*
* Copyright (c) 2017 Contributors to the Eclipse Foundation
*
* See the NOTICE file(s) distributed with this work for additional
* information regarding copyright ownership.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License 2.0 which is available at
* http://www.eclipse.org/legal/epl-2.0
*
* SPDX-License-Identifier: EPL-2.0
*/
package org.eclipse.ditto.internal.utils.cluster;
import static org.assertj.core.api.Assertions.assertThat;
import java.util.Set;
import org.assertj.core.api.AutoCloseableSoftAssertions;
import org.eclipse.ditto.base.model.headers.DittoHeaders;
import org.eclipse.ditto.base.model.json.Jsonifiable;
import org.eclipse.ditto.base.model.signals.JsonParsableRegistry;
import org.eclipse.ditto.base.model.signals.ShardedMessageEnvelope;
import org.eclipse.ditto.internal.utils.pekko.PingCommand;
import org.eclipse.ditto.internal.utils.pekko.PingCommandResponse;
import org.eclipse.ditto.internal.utils.pekko.SimpleCommand;
import org.eclipse.ditto.internal.utils.pekko.SimpleCommandResponse;
import org.eclipse.ditto.internal.utils.pekko.streaming.StreamAck;
import org.eclipse.ditto.internal.utils.health.StatusInfo;
import org.eclipse.ditto.json.JsonFactory;
import org.eclipse.ditto.json.JsonObject;
import org.junit.Test;
import org.mutabilitydetector.internal.com.google.common.collect.Sets;
public final class MappingStrategiesBuilderTest {
private static final JsonObject KNOWN_OBJECT = JsonFactory.newObject(MyJsonifiable.INSTANCE.toJsonString());
private static final Jsonifiable<JsonObject> KNOWN_JSONIFIABLE = MyJsonifiable.INSTANCE;
private static final DittoHeaders KNOWN_HEADERS = DittoHeaders.empty();
private static final Class<MyJsonifiable> KNOWN_CLASS = MyJsonifiable.class;
private static final String KNOWN_TYPE = KNOWN_CLASS.getSimpleName();
@Test
public void addJsonParsableRegistry() {
final String[] types = new String[]{"a", "b", "c"};
final JsonParsableRegistry<? extends Jsonifiable> registry = new JsonParsableRegistry() {
@Override
public Set<String> getTypes() {
return Sets.newHashSet(types);
}
@Override
public Object parse(final JsonObject jsonObject, final DittoHeaders dittoHeaders) {
return null;
}
};
final MappingStrategies strategies = MappingStrategiesBuilder.newInstance()
.add(registry)
.build();
assertThat(strategies).containsKeys(types);
}
@Test
public void addFunctionForClass() {
final MappingStrategies strategies = MappingStrategiesBuilder.newInstance()
.add(KNOWN_CLASS, MyJsonifiable::fromJson)
.build();
try (final AutoCloseableSoftAssertions softly = new AutoCloseableSoftAssertions()) {
softly.assertThat(strategies)
.as("contains key")
.containsKey(KNOWN_TYPE);
softly.assertThat(strategies.get(KNOWN_TYPE))
.as("contains expected mapping strategy")
.satisfies(mappingStrategy -> softly.assertThat(mappingStrategy.parse(KNOWN_OBJECT, KNOWN_HEADERS))
.isEqualTo(KNOWN_JSONIFIABLE));
}
}
@Test
public void addFunctionForType() {
final MappingStrategies strategies = MappingStrategiesBuilder.newInstance()
.add(KNOWN_TYPE, MyJsonifiable::fromJson)
.build();
try (final AutoCloseableSoftAssertions softly = new AutoCloseableSoftAssertions()) {
softly.assertThat(strategies)
.as("contains key")
.containsKey(KNOWN_TYPE);
softly.assertThat(strategies.get(KNOWN_TYPE))
.as("contains expected mapping strategy")
.satisfies(mappingStrategy -> softly.assertThat(mappingStrategy.parse(KNOWN_OBJECT, KNOWN_HEADERS))
.isEqualTo(KNOWN_JSONIFIABLE));
}
}
@Test
public void addBiFunctionForClass() {
final MappingStrategies strategies = MappingStrategiesBuilder.newInstance()
.add(KNOWN_CLASS, MyJsonifiable::fromJsonWithHeaders)
.build();
try (final AutoCloseableSoftAssertions softly = new AutoCloseableSoftAssertions()) {
softly.assertThat(strategies)
.as("contains key")
.containsKey(KNOWN_TYPE);
softly.assertThat(strategies.get(KNOWN_TYPE))
.as("contains expected mapping strategy")
.satisfies(mappingStrategy -> softly.assertThat(mappingStrategy.parse(KNOWN_OBJECT, KNOWN_HEADERS))
.isEqualTo(KNOWN_JSONIFIABLE));
}
}
@Test
public void addBiFunctionForType() {
final MappingStrategies strategies = MappingStrategiesBuilder.newInstance()
.add(KNOWN_TYPE, MyJsonifiable::fromJsonWithHeaders)
.build();
try (final AutoCloseableSoftAssertions softly = new AutoCloseableSoftAssertions()) {
softly.assertThat(strategies)
.as("contains key")
.containsKey(KNOWN_TYPE);
softly.assertThat(strategies.get(KNOWN_TYPE))
.as("contains expected mapping strategy")
.satisfies(mappingStrategy -> softly.assertThat(mappingStrategy.parse(KNOWN_OBJECT, KNOWN_HEADERS))
.isEqualTo(KNOWN_JSONIFIABLE));
}
}
@Test
public void defaultStrategies() {
final MappingStrategies strategies = MappingStrategiesBuilder.newInstance().build();
assertThat(strategies)
.containsOnlyKeys(DittoHeaders.class.getSimpleName(),
ShardedMessageEnvelope.class.getSimpleName(),
SimpleCommand.class.getSimpleName(),
SimpleCommandResponse.class.getSimpleName(),
PingCommand.class.getSimpleName(),
PingCommandResponse.class.getSimpleName(),
StatusInfo.class.getSimpleName(),
StreamAck.class.getSimpleName());
}
private static final class MyJsonifiable implements Jsonifiable<JsonObject> {
private static final MyJsonifiable INSTANCE = new MyJsonifiable();
private static final JsonObject INNER_VALUE = JsonObject.newBuilder().set("text", "I am JSON value").build();
private static MyJsonifiable fromJson(final JsonObject jsonObject) {
assertThat(jsonObject).isEqualTo(INNER_VALUE);
return INSTANCE;
}
private static MyJsonifiable fromJsonWithHeaders(final JsonObject jsonObject, final DittoHeaders headers) {
assertThat(jsonObject).isEqualTo(INNER_VALUE);
return INSTANCE;
}
@Override
public JsonObject toJson() {
return INNER_VALUE;
}
@Override
public boolean equals(final Object obj) {
return super.equals(obj);
}
}
}