/*
 * Copyright 2002-2017 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.integration.redis.config;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertSame;
import static org.junit.Assert.assertThat;

import org.hamcrest.Matchers;
import org.junit.Test;
import org.junit.runner.RunWith;

import org.springframework.beans.DirectFieldAccessor;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.context.ApplicationContext;
import org.springframework.data.redis.connection.RedisConnectionFactory;
import org.springframework.data.redis.listener.RedisMessageListenerContainer;
import org.springframework.integration.channel.QueueChannel;
import org.springframework.integration.redis.inbound.RedisInboundChannelAdapter;
import org.springframework.integration.redis.rules.RedisAvailable;
import org.springframework.integration.redis.rules.RedisAvailableTests;
import org.springframework.integration.support.converter.SimpleMessageConverter;
import org.springframework.integration.test.util.TestUtils;
import org.springframework.messaging.Message;
import org.springframework.messaging.MessageChannel;
import org.springframework.test.annotation.DirtiesContext;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;

/**
 * @author Oleg Zhurakousky
 * @author Mark Fisher
 * @author Gary Russell
 * @author Gunnar Hillert
 */
@ContextConfiguration
@RunWith(SpringJUnit4ClassRunner.class)
@DirtiesContext
public class RedisInboundChannelAdapterParserTests extends RedisAvailableTests {

	@Autowired
	private ApplicationContext context;

	@Autowired
	private MessageChannel autoChannel;

	@Autowired @Qualifier("autoChannel.adapter")
	private RedisInboundChannelAdapter autoChannelAdapter;

	@Test
	public void validateConfiguration() {
		RedisInboundChannelAdapter adapter = context.getBean("adapter", RedisInboundChannelAdapter.class);
		assertEquals("adapter", adapter.getComponentName());
		assertEquals("redis:inbound-channel-adapter", adapter.getComponentType());
		DirectFieldAccessor accessor = new DirectFieldAccessor(adapter);
		Object errorChannelBean = context.getBean("testErrorChannel");
		assertEquals(errorChannelBean, accessor.getPropertyValue("errorChannel"));
		Object converterBean = context.getBean("testConverter");
		assertEquals(converterBean, accessor.getPropertyValue("messageConverter"));
		assertEquals(context.getBean("serializer"), accessor.getPropertyValue("serializer"));

		Object bean = context.getBean("withoutSerializer.adapter");
		assertNotNull(bean);
		assertNull(TestUtils.getPropertyValue(bean, "serializer"));
	}

	@Test
	@RedisAvailable
	public void testInboundChannelAdapterMessaging() throws Exception {
		RedisInboundChannelAdapter adapter = context.getBean("adapter", RedisInboundChannelAdapter.class);
		this.awaitContainerSubscribedWithPatterns(TestUtils.getPropertyValue(adapter, "container",
				RedisMessageListenerContainer.class));

		RedisConnectionFactory connectionFactory = this.getConnectionFactoryForTest();

		connectionFactory.getConnection().publish("foo".getBytes(), "Hello Redis from foo".getBytes());
		connectionFactory.getConnection().publish("bar".getBytes(), "Hello Redis from bar".getBytes());

		QueueChannel receiveChannel = context.getBean("receiveChannel", QueueChannel.class);
		for (int i = 0; i < 3; i++) {
			Message<?> receive = receiveChannel.receive(10000);
			assertNotNull(receive);
			assertThat(receive.getPayload(), Matchers.<Object>isOneOf("Hello Redis from foo", "Hello Redis from bar"));
		}

	}

	@Test
	public void testAutoChannel() {
		assertSame(autoChannel, TestUtils.getPropertyValue(autoChannelAdapter, "outputChannel"));
	}

	@SuppressWarnings("unused")
	private static class TestMessageConverter extends SimpleMessageConverter {
	}

}