/*
 * Copyright 2012-2014 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.boot.autoconfigure.data.mongo;

import org.junit.After;
import org.junit.Test;
import org.springframework.boot.autoconfigure.PropertyPlaceholderAutoConfiguration;
import org.springframework.boot.autoconfigure.TestAutoConfigurationPackage;
import org.springframework.boot.autoconfigure.data.alt.mongo.CityMongoDbRepository;
import org.springframework.boot.autoconfigure.data.empty.EmptyDataPackage;
import org.springframework.boot.autoconfigure.data.mongo.city.City;
import org.springframework.boot.autoconfigure.data.mongo.city.CityRepository;
import org.springframework.boot.autoconfigure.mongo.MongoAutoConfiguration;
import org.springframework.boot.autoconfigure.mongo.MongoDataAutoConfiguration;
import org.springframework.context.annotation.AnnotationConfigApplicationContext;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.mongodb.repository.config.EnableMongoRepositories;

import com.mongodb.Mongo;
import com.mongodb.MongoClient;

import static org.hamcrest.CoreMatchers.instanceOf;
import static org.hamcrest.CoreMatchers.is;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertThat;

/**
 * Tests for {@link MongoRepositoriesAutoConfiguration}.
 * 
 * @author Dave Syer
 * @author Oliver Gierke
 */
public class MongoRepositoriesAutoConfigurationTests {

	private AnnotationConfigApplicationContext context;

	@After
	public void close() {
		this.context.close();
	}

	@Test
	public void testDefaultRepositoryConfiguration() throws Exception {
		this.context = new AnnotationConfigApplicationContext();
		this.context.register(TestConfiguration.class, MongoAutoConfiguration.class,
				MongoDataAutoConfiguration.class,
				MongoRepositoriesAutoConfiguration.class,
				PropertyPlaceholderAutoConfiguration.class);
		this.context.refresh();
		assertNotNull(this.context.getBean(CityRepository.class));

		Mongo mongo = this.context.getBean(Mongo.class);
		assertThat(mongo, is(instanceOf(MongoClient.class)));
	}

	@Test
	public void testNoRepositoryConfiguration() throws Exception {
		this.context = new AnnotationConfigApplicationContext();
		this.context.register(EmptyConfiguration.class, MongoAutoConfiguration.class,
				MongoDataAutoConfiguration.class,
				MongoRepositoriesAutoConfiguration.class,
				PropertyPlaceholderAutoConfiguration.class);
		this.context.refresh();

		Mongo mongo = this.context.getBean(Mongo.class);
		assertThat(mongo, is(instanceOf(MongoClient.class)));
	}

	@Test
	public void doesNotTriggerDefaultRepositoryDetectionIfCustomized() {
		this.context = new AnnotationConfigApplicationContext();
		this.context.register(CustomizedConfiguration.class,
				MongoAutoConfiguration.class, MongoDataAutoConfiguration.class,
				MongoRepositoriesAutoConfiguration.class,
				PropertyPlaceholderAutoConfiguration.class);
		this.context.refresh();
		assertNotNull(this.context.getBean(CityMongoDbRepository.class));
	}

	@Configuration
	@TestAutoConfigurationPackage(City.class)
	protected static class TestConfiguration {

	}

	@Configuration
	@TestAutoConfigurationPackage(EmptyDataPackage.class)
	protected static class EmptyConfiguration {

	}

	@Configuration
	@TestAutoConfigurationPackage(MongoRepositoriesAutoConfigurationTests.class)
	@EnableMongoRepositories(basePackageClasses = CityMongoDbRepository.class)
	protected static class CustomizedConfiguration {

	}
}
