/*
* Copyright 2016-2017 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.config;
import java.util.ArrayList;
import java.util.List;
import java.util.UUID;
import org.junit.Test;
import org.springframework.beans.factory.BeanCreationException;
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.StreamListener;
import org.springframework.cloud.stream.binding.StreamListenerErrorMessages;
import org.springframework.cloud.stream.messaging.Sink;
import org.springframework.context.ConfigurableApplicationContext;
import org.springframework.integration.support.MessageBuilder;
import org.springframework.messaging.MessageChannel;
import org.springframework.messaging.handler.annotation.Payload;
import static org.assertj.core.api.Assertions.assertThat;
import static org.assertj.core.api.Assertions.fail;
/**
* @author Marius Bogoevici
*/
public class StreamListenerWithConditionsTest {
@Test
@SuppressWarnings("unchecked")
public void testAnnotatedArgumentsWithConditionalClass() throws Exception {
ConfigurableApplicationContext context = SpringApplication.run(TestPojoWithAnnotatedArguments.class,
"--server.port=0");
TestPojoWithAnnotatedArguments testPojoWithAnnotatedArguments = context
.getBean(TestPojoWithAnnotatedArguments.class);
Sink sink = context.getBean(Sink.class);
String id = UUID.randomUUID().toString();
sink.input().send(MessageBuilder.withPayload("{\"foo\":\"barbar" + id + "\"}")
.setHeader("contentType", "application/json").setHeader("testHeader", "testValue")
.setHeader("type", "foo").build());
sink.input().send(MessageBuilder.withPayload("{\"bar\":\"foofoo" + id + "\"}")
.setHeader("contentType", "application/json").setHeader("testHeader", "testValue")
.setHeader("type", "bar").build());
sink.input().send(MessageBuilder.withPayload("{\"bar\":\"foofoo" + id + "\"}")
.setHeader("contentType", "application/json").setHeader("testHeader", "testValue")
.setHeader("type", "qux").build());
assertThat(testPojoWithAnnotatedArguments.receivedFoo).hasSize(1);
assertThat(testPojoWithAnnotatedArguments.receivedFoo.get(0)).hasFieldOrPropertyWithValue("foo",
"barbar" + id);
assertThat(testPojoWithAnnotatedArguments.receivedBar).hasSize(1);
assertThat(testPojoWithAnnotatedArguments.receivedBar.get(0)).hasFieldOrPropertyWithValue("bar",
"foofoo" + id);
context.close();
}
@Test
@SuppressWarnings("unchecked")
public void testConditionalFailsWithReturnValue() throws Exception {
try {
ConfigurableApplicationContext context = SpringApplication.run(TestConditionalOnMethodWithReturnValueFails.class,
"--server.port=0");
context.close();
fail("Context creation failure expected");
} catch (BeanCreationException e) {
assertThat(e).hasRootCauseInstanceOf(IllegalArgumentException.class);
assertThat(e.getCause()).hasMessageContaining(StreamListenerErrorMessages.CONDITION_ON_METHOD_RETURNING_VALUE);
}
}
@Test
@SuppressWarnings("unchecked")
public void testConditionalFailsWithDeclarativeMethod() throws Exception {
try {
ConfigurableApplicationContext context = SpringApplication.run(TestConditionalOnDeclarativeMethodFails.class,
"--server.port=0");
context.close();
fail("Context creation failure expected");
} catch (BeanCreationException e) {
assertThat(e).hasRootCauseInstanceOf(IllegalArgumentException.class);
assertThat(e.getCause()).hasMessageContaining(StreamListenerErrorMessages.CONDITION_ON_DECLARATIVE_METHOD);
}
}
@EnableBinding(Sink.class)
@EnableAutoConfiguration
public static class TestPojoWithAnnotatedArguments {
List<StreamListenerTestUtils.FooPojo> receivedFoo = new ArrayList<>();
List<StreamListenerTestUtils.BarPojo> receivedBar = new ArrayList<>();
@StreamListener(value = Sink.INPUT, condition = "headers['type']=='foo'")
public void receive(@Payload StreamListenerTestUtils.FooPojo fooPojo) {
this.receivedFoo.add(fooPojo);
}
@StreamListener(target = Sink.INPUT, condition = "headers['type']=='bar'")
public void receive(@Payload StreamListenerTestUtils.BarPojo barPojo) {
this.receivedBar.add(barPojo);
}
}
@EnableBinding(Sink.class)
@EnableAutoConfiguration
public static class TestConditionalOnDeclarativeMethodFails {
@StreamListener(condition = "headers['type']=='foo'")
public void receive(@Input("input") MessageChannel input) {
// do nothing
}
}
@EnableBinding(Sink.class)
@EnableAutoConfiguration
public static class TestConditionalOnMethodWithReturnValueFails {
@StreamListener(value = Sink.INPUT, condition = "headers['type']=='foo'")
public String receive(String value) {
return null;
}
}
}