/*
 * Copyright 2002-2019 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.integration.jmx.config;

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

import java.util.Arrays;
import java.util.List;
import java.util.Set;

import javax.management.MBeanServer;
import javax.management.ObjectName;

import org.junit.After;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.Parameterized;
import org.junit.runners.Parameterized.Parameters;

import org.springframework.context.support.ClassPathXmlApplicationContext;

/**
 * @author Dave Syer
 * @since 2.0
 */
@RunWith(Parameterized.class)
public class RouterMBeanTests {

	private final MBeanServer server;

	private final ClassPathXmlApplicationContext context;

	public RouterMBeanTests(String configLocation) {
		context = new ClassPathXmlApplicationContext(configLocation, getClass());
		server = context.getBean(MBeanServer.class);
	}

	@Parameters
	public static List<Object[]> getParameters() {
		return Arrays.asList(
				new Object[] { "RouterMBeanTests-context.xml" },
				new Object[] { "RouterMBeanGatewayTests-context.xml" },
				new Object[] { "RouterMBeanNoneTests-context.xml" },
				new Object[] { "RouterMBeanSwitchTests-context.xml" });
	}

	@After
	public void close() {
		if (context != null) {
			context.close();
		}
	}

	@Test
	public void testRouterMBeanExists() throws Exception {
		// System . err.println(server.queryNames(new ObjectName("test.RouterMBean:*"), null));
		Set<ObjectName> names = server.queryNames(
				new ObjectName("test.RouterMBean:type=MessageHandler,name=ptRouter,*"), null);
		assertThat(names.size()).isEqualTo(1);
	}

	@Test
	public void testInputChannelMBeanExists() throws Exception {
		// System . err.println(server.queryNames(new ObjectName("test.RouterMBean:type=MessageChannel,*"), null));
		Set<ObjectName> names = server.queryNames(
				new ObjectName("test.RouterMBean:type=MessageChannel,name=testChannel,*"), null);
		assertThat(names.size()).isEqualTo(1);
	}

	@Test
	public void testErrorChannelMBeanExists() throws Exception {
		Set<ObjectName> names = server.queryNames(
				new ObjectName("test.RouterMBean:type=MessageChannel,name=errorChannel,*"), null);
		assertThat(names.size()).isEqualTo(1);
	}

	@Test
	public void testRouterMBeanOnlyRegisteredOnce() throws Exception {
		// System . err.println(server.queryNames(new ObjectName("*:type=MessageHandler,*"), null));
		Set<ObjectName> names = server.queryNames(new ObjectName("test.RouterMBean:type=MessageHandler,name=ptRouter,*"), null);
		assertThat(names.size()).isEqualTo(1);
		// INT-3896
		names = server.queryNames(new ObjectName("test.RouterMBean:type=ExpressionEvaluatingRouter,*"), null);
		assertThat(names.size()).isEqualTo(0);
	}

	public interface Service {
		void send(String input);
	}

}
