/*
* Copyright 2015-2016 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.binding;
import java.util.Collection;
import java.util.Collections;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
import java.util.Properties;
import java.util.concurrent.atomic.AtomicReference;
import org.junit.Test;
import org.mockito.Mockito;
import org.mockito.invocation.InvocationOnMock;
import org.mockito.stubbing.Answer;
import org.springframework.beans.factory.NoSuchBeanDefinitionException;
import org.springframework.beans.factory.config.ConfigurableListableBeanFactory;
import org.springframework.cloud.stream.binder.Binder;
import org.springframework.cloud.stream.binder.BinderConfiguration;
import org.springframework.cloud.stream.binder.BinderType;
import org.springframework.cloud.stream.binder.Binding;
import org.springframework.cloud.stream.binder.ConsumerProperties;
import org.springframework.cloud.stream.binder.DefaultBinderFactory;
import org.springframework.cloud.stream.binder.ProducerProperties;
import org.springframework.cloud.stream.config.BindingProperties;
import org.springframework.cloud.stream.config.BindingServiceProperties;
import org.springframework.cloud.stream.converter.CompositeMessageConverterFactory;
import org.springframework.cloud.stream.reflection.GenericsUtils;
import org.springframework.cloud.stream.utils.MockBinderConfiguration;
import org.springframework.integration.channel.DirectChannel;
import org.springframework.messaging.MessageChannel;
import org.springframework.messaging.core.DestinationResolutionException;
import static org.assertj.core.api.Assertions.assertThat;
import static org.junit.Assert.fail;
import static org.mockito.Matchers.any;
import static org.mockito.Matchers.eq;
import static org.mockito.Matchers.isNull;
import static org.mockito.Matchers.matches;
import static org.mockito.Matchers.same;
import static org.mockito.Mockito.doAnswer;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;
/**
* @author Gary Russell
* @author Mark Fisher
* @author Marius Bogoevici
* @author Ilayaperumal Gopinathan
*/
public class BindingServiceTests {
@Test
public void testDefaultGroup() throws Exception {
BindingServiceProperties properties = new BindingServiceProperties();
Map<String, BindingProperties> bindingProperties = new HashMap<>();
BindingProperties props = new BindingProperties();
props.setDestination("foo");
final String inputChannelName = "input";
bindingProperties.put(inputChannelName, props);
properties.setBindings(bindingProperties);
DefaultBinderFactory binderFactory =
new DefaultBinderFactory(Collections.singletonMap("mock",
new BinderConfiguration(new BinderType("mock", new Class[]{MockBinderConfiguration.class}),
new Properties(), true, true)));
Binder binder = binderFactory.getBinder("mock", MessageChannel.class);
BindingService service = new BindingService(properties, binderFactory);
MessageChannel inputChannel = new DirectChannel();
@SuppressWarnings("unchecked")
Binding<MessageChannel> mockBinding = Mockito.mock(Binding.class);
when(binder.bindConsumer(eq("foo"), isNull(String.class), same(inputChannel),
any(ConsumerProperties.class))).thenReturn(mockBinding);
Collection<Binding<MessageChannel>> bindings = service.bindConsumer(inputChannel,
inputChannelName);
assertThat(bindings).hasSize(1);
Binding<MessageChannel> binding = bindings.iterator().next();
assertThat(binding).isSameAs(mockBinding);
service.unbindConsumers(inputChannelName);
verify(binder).bindConsumer(eq("foo"), isNull(String.class), same(inputChannel),
any(ConsumerProperties.class));
verify(binding).unbind();
binderFactory.destroy();
}
@Test
public void testMultipleConsumerBindings() throws Exception {
BindingServiceProperties properties = new BindingServiceProperties();
Map<String, BindingProperties> bindingProperties = new HashMap<>();
BindingProperties props = new BindingProperties();
props.setDestination("foo,bar");
final String inputChannelName = "input";
bindingProperties.put(inputChannelName, props);
properties.setBindings(bindingProperties);
DefaultBinderFactory binderFactory = new DefaultBinderFactory(Collections.singletonMap("mock",
new BinderConfiguration(new BinderType("mock", new Class[] { MockBinderConfiguration.class }),
new Properties(), true, true)));
Binder binder = binderFactory.getBinder("mock", MessageChannel.class);
BindingService service = new BindingService(properties,
binderFactory);
MessageChannel inputChannel = new DirectChannel();
@SuppressWarnings("unchecked")
Binding<MessageChannel> mockBinding1 = Mockito.mock(Binding.class);
@SuppressWarnings("unchecked")
Binding<MessageChannel> mockBinding2 = Mockito.mock(Binding.class);
when(binder.bindConsumer(eq("foo"), isNull(String.class), same(inputChannel),
any(ConsumerProperties.class))).thenReturn(mockBinding1);
when(binder.bindConsumer(eq("bar"), isNull(String.class), same(inputChannel),
any(ConsumerProperties.class))).thenReturn(mockBinding2);
Collection<Binding<MessageChannel>> bindings = service.bindConsumer(inputChannel,
"input");
assertThat(bindings).hasSize(2);
Iterator<Binding<MessageChannel>> iterator = bindings.iterator();
Binding<MessageChannel> binding1 = iterator.next();
Binding<MessageChannel> binding2 = iterator.next();
assertThat(binding1).isSameAs(mockBinding1);
assertThat(binding2).isSameAs(mockBinding2);
service.unbindConsumers("input");
verify(binder).bindConsumer(eq("foo"), isNull(String.class), same(inputChannel),
any(ConsumerProperties.class));
verify(binder).bindConsumer(eq("bar"), isNull(String.class), same(inputChannel),
any(ConsumerProperties.class));
verify(binding1).unbind();
verify(binding2).unbind();
binderFactory.destroy();
}
@Test
public void testExplicitGroup() throws Exception {
BindingServiceProperties properties = new BindingServiceProperties();
Map<String, BindingProperties> bindingProperties = new HashMap<>();
BindingProperties props = new BindingProperties();
props.setDestination("foo");
props.setGroup("fooGroup");
final String inputChannelName = "input";
bindingProperties.put(inputChannelName, props);
properties.setBindings(bindingProperties);
DefaultBinderFactory binderFactory = new DefaultBinderFactory(
Collections
.singletonMap("mock",
new BinderConfiguration(
new BinderType("mock",
new Class[] {
MockBinderConfiguration.class }),
new Properties(), true, true)));
Binder binder = binderFactory.getBinder("mock", MessageChannel.class);
BindingService service = new BindingService(properties,
binderFactory);
MessageChannel inputChannel = new DirectChannel();
@SuppressWarnings("unchecked")
Binding<MessageChannel> mockBinding = Mockito.mock(Binding.class);
when(binder.bindConsumer(eq("foo"), eq("fooGroup"), same(inputChannel),
any(ConsumerProperties.class))).thenReturn(mockBinding);
Collection<Binding<MessageChannel>> bindings = service.bindConsumer(inputChannel,
inputChannelName);
assertThat(bindings).hasSize(1);
Binding<MessageChannel> binding = bindings.iterator().next();
assertThat(binding).isSameAs(mockBinding);
service.unbindConsumers(inputChannelName);
verify(binder).bindConsumer(eq("foo"), eq(props.getGroup()), same(inputChannel),
any(ConsumerProperties.class));
verify(binding).unbind();
binderFactory.destroy();
}
@Test
public void checkDynamicBinding() {
BindingServiceProperties properties = new BindingServiceProperties();
DefaultBinderFactory binderFactory = new DefaultBinderFactory(
Collections
.singletonMap("mock",
new BinderConfiguration(
new BinderType("mock",
new Class[] {
MockBinderConfiguration.class }),
new Properties(), true, true)));
Binder binder = binderFactory.getBinder("mock", MessageChannel.class);
@SuppressWarnings("unchecked")
Binding<MessageChannel> mockBinding = Mockito.mock(Binding.class);
@SuppressWarnings("unchecked")
final AtomicReference<MessageChannel> dynamic = new AtomicReference<>();
when(binder.bindProducer(matches("foo"), any(DirectChannel.class),
any(ProducerProperties.class))).thenReturn(mockBinding);
BindingService bindingService = new BindingService(properties, binderFactory);
SubscribableChannelBindingTargetFactory bindableSubscribableChannelFactory = new SubscribableChannelBindingTargetFactory(
new MessageConverterConfigurer(properties,
new CompositeMessageConverterFactory()));
BinderAwareChannelResolver resolver = new BinderAwareChannelResolver(
bindingService, bindableSubscribableChannelFactory,
new DynamicDestinationsBindable());
ConfigurableListableBeanFactory beanFactory = mock(
ConfigurableListableBeanFactory.class);
when(beanFactory.getBean("foo", MessageChannel.class))
.thenThrow(new NoSuchBeanDefinitionException(MessageChannel.class));
when(beanFactory.getBean("bar", MessageChannel.class))
.thenThrow(new NoSuchBeanDefinitionException(MessageChannel.class));
doAnswer(new Answer<Void>() {
@Override
public Void answer(InvocationOnMock invocation) throws Throwable {
dynamic.set(invocation.getArgumentAt(1, MessageChannel.class));
return null;
}
}).when(beanFactory).registerSingleton(eq("foo"), any(MessageChannel.class));
doAnswer(new Answer<Object>() {
@Override
public Object answer(InvocationOnMock invocation) throws Throwable {
return dynamic.get();
}
}).when(beanFactory).initializeBean(any(MessageChannel.class), eq("foo"));
resolver.setBeanFactory(beanFactory);
MessageChannel resolved = resolver.resolveDestination("foo");
assertThat(resolved).isSameAs(dynamic.get());
verify(binder).bindProducer(eq("foo"), eq(dynamic.get()),
any(ProducerProperties.class));
properties.setDynamicDestinations(new String[] { "foo" });
resolved = resolver.resolveDestination("foo");
assertThat(resolved).isSameAs(dynamic.get());
properties.setDynamicDestinations(new String[] { "test" });
try {
resolved = resolver.resolveDestination("bar");
fail();
}
catch (DestinationResolutionException e) {
assertThat(e).hasMessageContaining("Failed to find MessageChannel bean with name 'bar'");
}
}
@Test
public void testProducerPropertiesValidation() {
BindingServiceProperties serviceProperties = new BindingServiceProperties();
Map<String, BindingProperties> bindingProperties = new HashMap<>();
BindingProperties props = new BindingProperties();
ProducerProperties producerProperties = new ProducerProperties();
producerProperties.setPartitionCount(0);
props.setDestination("foo");
props.setProducer(producerProperties);
final String outputChannelName = "output";
bindingProperties.put(outputChannelName, props);
serviceProperties.setBindings(bindingProperties);
DefaultBinderFactory binderFactory =
new DefaultBinderFactory(Collections.singletonMap("mock",
new BinderConfiguration(new BinderType("mock", new Class[]{MockBinderConfiguration.class}),
new Properties(), true, true)));
BindingService service = new BindingService(serviceProperties, binderFactory);
MessageChannel outputChannel = new DirectChannel();
try {
service.bindProducer(outputChannel, outputChannelName);
fail("Producer properties should be validated.");
}
catch (IllegalStateException e) {
assertThat(e).hasMessageContaining("Partition count should be greater than zero.");
}
}
@Test
public void testConsumerPropertiesValidation() {
BindingServiceProperties serviceProperties = new BindingServiceProperties();
Map<String, BindingProperties> bindingProperties = new HashMap<>();
BindingProperties props = new BindingProperties();
ConsumerProperties consumerProperties = new ConsumerProperties();
consumerProperties.setConcurrency(0);
props.setDestination("foo");
props.setConsumer(consumerProperties);
final String inputChannelName = "input";
bindingProperties.put(inputChannelName, props);
serviceProperties.setBindings(bindingProperties);
DefaultBinderFactory binderFactory = new DefaultBinderFactory(Collections.singletonMap("mock",
new BinderConfiguration(new BinderType("mock", new Class[] { MockBinderConfiguration.class }),
new Properties(), true, true)));
BindingService service = new BindingService(serviceProperties,
binderFactory);
MessageChannel inputChannel = new DirectChannel();
try {
service.bindConsumer(inputChannel, inputChannelName);
fail("Consumer properties should be validated.");
}
catch (IllegalStateException e) {
assertThat(e).hasMessageContaining("Concurrency should be greater than zero.");
}
}
@Test
public void testResolveBindableType() {
Class<?> bindableType = GenericsUtils.getParameterType(FooBinder.class, Binder.class, 0);
assertThat(bindableType).isSameAs(SomeBindableType.class);
}
public static class FooBinder
implements Binder<SomeBindableType, ConsumerProperties, ProducerProperties> {
@Override
public Binding<SomeBindableType> bindConsumer(String name, String group,
SomeBindableType inboundBindTarget,
ConsumerProperties consumerProperties) {
throw new UnsupportedOperationException();
}
@Override
public Binding<SomeBindableType> bindProducer(String name,
SomeBindableType outboundBindTarget,
ProducerProperties producerProperties) {
throw new UnsupportedOperationException();
}
}
public static class SomeBindableType {
}
}