/*
* Copyright 2016 the original author or authors.
*
* 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.springframework.cloud.stream.reactive;
import org.junit.Test;
import reactor.core.publisher.Flux;
import rx.Observable;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
import org.springframework.cloud.stream.annotation.EnableBinding;
import org.springframework.cloud.stream.annotation.Input;
import org.springframework.cloud.stream.annotation.Output;
import org.springframework.cloud.stream.annotation.StreamListener;
import org.springframework.cloud.stream.messaging.Processor;
import static org.assertj.core.api.Assertions.assertThat;
import static org.assertj.core.api.Assertions.fail;
import static org.springframework.cloud.stream.binding.StreamListenerErrorMessages.INVALID_INPUT_VALUE_WITH_OUTPUT_METHOD_PARAM;
import static org.springframework.cloud.stream.binding.StreamListenerErrorMessages.RETURN_TYPE_NO_OUTBOUND_SPECIFIED;
/**
* @author Ilayaperumal Gopinathan
*/
public class StreamListenerReactiveMethodTests {
@Test
public void testReactiveInvalidInputValueWithOutputMethodParameters() {
try {
SpringApplication.run(ReactorTestInputOutputArgs.class, "--server.port=0");
fail("IllegalArgumentException should have been thrown");
}
catch (Exception e) {
assertThat(e.getMessage()).contains(INVALID_INPUT_VALUE_WITH_OUTPUT_METHOD_PARAM);
}
}
@EnableBinding(Processor.class)
@EnableAutoConfiguration
public static class ReactorTestInputOutputArgs {
@StreamListener(Processor.INPUT)
public void receive(Flux<String> input, @Output(Processor.OUTPUT) FluxSender output) {
output.send(input.map(m -> m.toUpperCase()));
}
}
@Test
public void testRxJava1InvalidInputValueWithOutputMethodParameters() {
try {
SpringApplication.run(RxJava1TestInputOutputArgs.class, "--server.port=0");
fail("IllegalArgumentException should have been thrown");
}
catch (Exception e) {
assertThat(e.getMessage()).contains(INVALID_INPUT_VALUE_WITH_OUTPUT_METHOD_PARAM);
}
}
@EnableBinding(Processor.class)
@EnableAutoConfiguration
public static class RxJava1TestInputOutputArgs {
@StreamListener(Processor.INPUT)
public void receive(Observable<String> input, @Output(Processor.OUTPUT) ObservableSender output) {
output.send(input.map(m -> m.toUpperCase()));
}
}
@Test
public void testMethodReturnTypeWithNoOutboundSpecified() {
try {
SpringApplication.run(ReactorTestReturn5.class, "--server.port=0");
fail("Exception expected: " + RETURN_TYPE_NO_OUTBOUND_SPECIFIED);
}
catch (Exception e) {
assertThat(e.getMessage()).contains(RETURN_TYPE_NO_OUTBOUND_SPECIFIED);
}
}
@EnableBinding(Processor.class)
@EnableAutoConfiguration
public static class ReactorTestReturn5 {
@StreamListener
public Flux<String> receive(@Input(Processor.INPUT) Flux<String> input) {
return input.map(m -> m.toUpperCase());
}
}
}