/*
 * Copyright 2020-2020 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
 *
 *      https://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.contract.verifier.messaging.amqp;

import org.junit.Test;

import org.springframework.amqp.rabbit.core.RabbitTemplate;
import org.springframework.beans.factory.support.BeanDefinitionRegistry;
import org.springframework.boot.autoconfigure.AutoConfigurations;
import org.springframework.boot.autoconfigure.amqp.RabbitAutoConfiguration;
import org.springframework.boot.test.context.runner.ApplicationContextRunner;
import org.springframework.boot.test.mock.mockito.MockitoPostProcessor;

import static org.assertj.core.api.Assertions.assertThat;
import static org.assertj.core.api.Assertions.assertThatCode;

/**
 * @author Tim Ysewyn
 * @author Henning Garus
 */
public class ContractVerifierAmqpAutoConfigurationTests {

	private ApplicationContextRunner contextRunner = new ApplicationContextRunner()
			.withConfiguration(AutoConfigurations.of(RabbitAutoConfiguration.class,
					ContractVerifierAmqpAutoConfiguration.class, RabbitMockConnectionFactoryAutoConfiguration.class))
			// register MockitoPostProcessor manually to perform the SpyBean injection for
			// ContractVerifierAmqpAutoConfiguration. This is normally done automatically
			// during test setup
			.withInitializer(context -> MockitoPostProcessor.register((BeanDefinitionRegistry) context));

	@Test
	public void shouldNotCreateBeansByDefault() {
		this.contextRunner.run((context) -> {
			assertThat(context.getBeansOfType(SpringAmqpStubMessages.class)).hasSize(0);
			assertThat(context.getBeansOfType(ContractVerifierHelper.class)).hasSize(0);
		});
	}

	@Test
	public void shouldNotCreateBeansWhenDisabled() {
		this.contextRunner.withPropertyValues("stubrunner.amqp.enabled=false").run((context) -> {
			assertThat(context.getBeansOfType(SpringAmqpStubMessages.class)).hasSize(0);
			assertThat(context.getBeansOfType(ContractVerifierHelper.class)).hasSize(0);
		});
	}

	@Test
	public void shouldCreateBeansWhenExplicitlyEnabled() {
		this.contextRunner.withPropertyValues("stubrunner.amqp.enabled=true").run((context) -> {
			assertThat(context.getBeansOfType(SpringAmqpStubMessages.class)).hasSize(1);
			assertThat(context.getBeansOfType(ContractVerifierHelper.class)).hasSize(1);
		});
	}

	@Test
	public void shouldNotThrowOnSendWhenRabbitTemplateIsTransacted() {
		this.contextRunner.withPropertyValues("stubrunner.amqp.enabled=true").run(context -> assertThatCode(() -> {
			RabbitTemplate rabbitTemplate = context.getBean(RabbitTemplate.class);
			rabbitTemplate.setChannelTransacted(true);
			rabbitTemplate.convertAndSend("A Message");
		}).doesNotThrowAnyException());
	}

}
