RabbitTestContainer.java

/*
 * Copyright 2022-present 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.stream.binder.rabbit;

import java.time.Duration;

import org.testcontainers.containers.RabbitMQContainer;

/**
 * Provides a static {@link RabbitMQContainer} that can be shared across test classes.
 *
 * @author Chris Bono
 * @author Omer Celik
 */
public final class RabbitTestContainer {

	private static final RabbitMQContainer RABBITMQ;
	static {
		String image = "rabbitmq:management";
		String cache = System.getenv().get("IMAGE_CACHE");
		if (cache != null) {
			image = cache + image;
		}
		RABBITMQ = new RabbitMQContainer(image)
			.withExposedPorts(5672, 15672, 5552)
			.withEnv("RABBITMQ_SERVER_ADDITIONAL_ERL_ARGS", "-rabbitmq_stream advertised_host localhost")
			.withPluginsEnabled("rabbitmq_stream")
			.withStartupTimeout(Duration.ofMinutes(2));
		RABBITMQ.start();
	}

	private RabbitTestContainer() {

	}
	/**
	 * Should be called early by test that wants to ensure a shared {@link RabbitMQContainer} is up and running.
	 */
	public static RabbitMQContainer sharedInstance() {
		return RABBITMQ;
	}

}