org.springframework.cloud.stream.provisioning.ProvisioningProvider Java Examples

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Example #1

Source File: AbstractMessageChannelBinderTests.java From spring-cloud-stream with Apache License 2.0

4 votes

@Test
@SuppressWarnings("unchecked")
public void testEndpointLifecycle() throws Exception {
	// @checkstyle:off
	AbstractMessageChannelBinder<ConsumerProperties, ProducerProperties, ProvisioningProvider<ConsumerProperties, ProducerProperties>> binder = this.context
			.getBean(AbstractMessageChannelBinder.class);
	// @checkstyle:on

	ConsumerProperties consumerProperties = new ConsumerProperties();
	consumerProperties.setMaxAttempts(1); // to force error infrastructure creation

	Binding<MessageChannel> consumerBinding = binder.bindConsumer("foo", "fooGroup",
			new DirectChannel(), consumerProperties);
	DirectFieldAccessor consumerBindingAccessor = new DirectFieldAccessor(
			consumerBinding);
	MessageProducer messageProducer = (MessageProducer) consumerBindingAccessor
			.getPropertyValue("lifecycle");
	assertThat(((Lifecycle) messageProducer).isRunning()).isTrue();
	assertThat(messageProducer.getOutputChannel()).isNotNull();

	SubscribableChannel errorChannel = (SubscribableChannel) consumerBindingAccessor
			.getPropertyValue("lifecycle.errorChannel");
	assertThat(errorChannel).isNotNull();
	Set<MessageHandler> handlers = TestUtils.getPropertyValue(errorChannel,
			"dispatcher.handlers", Set.class);
	assertThat(handlers.size()).isEqualTo(2);
	Iterator<MessageHandler> iterator = handlers.iterator();
	assertThat(iterator.next()).isInstanceOf(BridgeHandler.class);
	assertThat(iterator.next()).isInstanceOf(LastSubscriberMessageHandler.class);
	assertThat(this.context.containsBean("foo.fooGroup.errors")).isTrue();
	assertThat(this.context.containsBean("foo.fooGroup.errors.recoverer")).isTrue();
	assertThat(this.context.containsBean("foo.fooGroup.errors.handler")).isTrue();
	assertThat(this.context.containsBean("foo.fooGroup.errors.bridge")).isTrue();
	consumerBinding.unbind();
	assertThat(this.context.containsBean("foo.fooGroup.errors")).isFalse();
	assertThat(this.context.containsBean("foo.fooGroup.errors.recoverer")).isFalse();
	assertThat(this.context.containsBean("foo.fooGroup.errors.handler")).isFalse();
	assertThat(this.context.containsBean("foo.fooGroup.errors.bridge")).isFalse();

	assertThat(((Lifecycle) messageProducer).isRunning()).isFalse();

	ProducerProperties producerProps = new ProducerProperties();
	producerProps.setErrorChannelEnabled(true);
	Binding<MessageChannel> producerBinding = binder.bindProducer("bar",
			new DirectChannel(), producerProps);
	assertThat(this.context.containsBean("bar.errors")).isTrue();
	assertThat(this.context.containsBean("bar.errors.bridge")).isTrue();
	producerBinding.unbind();
	assertThat(this.context.containsBean("bar.errors")).isFalse();
	assertThat(this.context.containsBean("bar.errors.bridge")).isFalse();
}