/*
 * Copyright 2016 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.transaction;

import static org.hamcrest.Matchers.equalTo;
import static org.junit.Assert.assertSame;
import static org.junit.Assert.assertTrue;

import org.junit.Assert;
import org.junit.Test;
import org.junit.runner.RunWith;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.test.context.junit4.SpringRunner;
import org.springframework.transaction.PlatformTransactionManager;
import org.springframework.transaction.annotation.Isolation;
import org.springframework.transaction.annotation.Propagation;
import org.springframework.transaction.interceptor.TransactionAttribute;
import org.springframework.transaction.interceptor.TransactionInterceptor;

/**
 * @author Gary Russell
 * @author Artem Bilan
 *
 * @since 5.0
 */
@RunWith(SpringRunner.class)
public class TransactionInterceptorBuilderTests {

	@Autowired
	private PlatformTransactionManager txm;

	@Autowired
	private TransactionInterceptor interceptor1;

	@Autowired
	private TransactionInterceptor interceptor2;

	@Test
	public void test() throws Throwable {
		verify(this.interceptor1, this.txm);
		verify(this.interceptor2, null);
	}

	private void verify(TransactionInterceptor interceptor, PlatformTransactionManager txm) {
		assertSame(txm, interceptor.getTransactionManager());
		TransactionAttribute atts = interceptor.getTransactionAttributeSource()
				.getTransactionAttribute(null, null);
		Assert.assertThat(atts.getPropagationBehavior(), equalTo(Propagation.REQUIRES_NEW.value()));
		Assert.assertThat(atts.getIsolationLevel(), equalTo(Isolation.SERIALIZABLE.value()));
		Assert.assertThat(atts.getTimeout(), equalTo(42));
		assertTrue(atts.isReadOnly());
	}


	@Configuration
	public static class Config {

		@Bean
		public PseudoTransactionManager transactionManager() {
			return new PseudoTransactionManager();
		}

		@Bean
		public TransactionInterceptor interceptor1(PlatformTransactionManager transactionManager) {
			return new TransactionInterceptorBuilder()
					.propagation(Propagation.REQUIRES_NEW)
					.isolation(Isolation.SERIALIZABLE)
					.timeout(42)
					.readOnly(true)
					.transactionManager(transactionManager)
					.build();
		}

		@Bean
		public TransactionInterceptor interceptor2() {
			return new TransactionInterceptorBuilder()
					.propagation(Propagation.REQUIRES_NEW)
					.isolation(Isolation.SERIALIZABLE)
					.timeout(42)
					.readOnly(true)
					.build();
		}

	}

}