forked from AxonFramework/AxonFramework
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IntermediateRepresentationTest.java
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IntermediateRepresentationTest.java
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/*
* Copyright (c) 2010-2020. Axon Framework
*
* 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 org.axonframework.serialization.upcasting.event;
import org.axonframework.eventhandling.EventData;
import org.axonframework.eventhandling.GenericDomainEventMessage;
import org.axonframework.serialization.Converter;
import org.axonframework.serialization.Serializer;
import org.axonframework.serialization.TestSerializer;
import org.axonframework.utils.TestDomainEventEntry;
import org.junit.jupiter.api.Test;
import java.util.List;
import java.util.function.Function;
import java.util.stream.Stream;
import static java.util.stream.Collectors.toList;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertTrue;
import static org.mockito.Mockito.*;
/**
* Test for intermediate representation.
*
* @author Simon Zambrovski
*/
class IntermediateRepresentationTest {
private final static Serializer serializer = TestSerializer.XSTREAM.getSerializer();
@Test
public void canConvertDataTo() {
EventData<?> eventData = new TestDomainEventEntry(
new GenericDomainEventMessage<>("test", "aggregateId", 0, "someString"), serializer
);
Serializer serializer = mock(Serializer.class);
Converter converter = mock(Converter.class);
when(serializer.getConverter()).thenReturn(converter);
when(converter.canConvert(any(), eq(String.class))).thenReturn(true);
IntermediateEventRepresentation input = new InitialEventRepresentation(eventData, serializer);
EventUpcasterChain eventUpcasterChain = new EventUpcasterChain(
new IntermediateRepresentationTest.MyEventUpcaster()
);
List<IntermediateEventRepresentation> result = eventUpcasterChain.upcast(Stream.of(input)).collect(toList());
assertEquals(1, result.size());
assertTrue(input.canConvertDataTo(String.class));
assertTrue(result.get(0).canConvertDataTo(String.class));
verify(converter).canConvert(String.class, String.class);
}
private static class MyEventUpcaster extends SingleEventUpcaster {
@Override
protected boolean canUpcast(IntermediateEventRepresentation intermediateRepresentation) {
return true;
}
@Override
protected IntermediateEventRepresentation doUpcast(IntermediateEventRepresentation intermediateRepresentation) {
return new UpcastedEventRepresentation<>(
intermediateRepresentation.getType(),
intermediateRepresentation,
Function.identity(),
Function.identity(),
Object.class,
serializer.getConverter()
);
}
}
}