TransactionPolicyNestedSpringTest.java

/*
 * Copyright (C) Scott Cranton, Jakub Korab, and Christian Posta
 * https://github.com/CamelCookbook
 *
 * 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.camelcookbook.transactions.transactionpolicy;

import org.apache.camel.component.mock.MockEndpoint;
import org.apache.camel.test.spring.CamelSpringTestSupport;
import org.apache.commons.lang.exception.ExceptionUtils;
import org.camelcookbook.transactions.dao.AuditLogDao;
import org.camelcookbook.transactions.dao.MessageDao;
import org.camelcookbook.transactions.utils.ExceptionThrowingProcessor;
import org.junit.Test;
import org.springframework.context.support.AbstractApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;

/**
 * Demonstrates the use of nested transaction policies.
 */
public class TransactionPolicyNestedSpringTest extends CamelSpringTestSupport {

    @Override
    protected AbstractApplicationContext createApplicationContext() {
        return new ClassPathXmlApplicationContext("META-INF/spring/transactionPolicyNested-context.xml");
    }

    @Test
    public void testFailureMock1() throws InterruptedException {
        AuditLogDao auditLogDao = getMandatoryBean(AuditLogDao.class, "auditLogDao");
        MessageDao messageDao = getMandatoryBean(MessageDao.class, "messageDao");

        String message = "ping";
        assertEquals(0, auditLogDao.getAuditCount(message));

        MockEndpoint mockOut1 = getMockEndpoint("mock:out1");
        mockOut1.whenAnyExchangeReceived(new ExceptionThrowingProcessor());
        mockOut1.message(0).body().isEqualTo(message);

        MockEndpoint mockOut2 = getMockEndpoint("mock:out2");
        mockOut2.setExpectedMessageCount(1);

        try {
            template.sendBody("direct:policies", message);
            fail();
        } catch (Exception e) {
            assertEquals("boom!", ExceptionUtils.getRootCause(e).getMessage());
        }

        assertMockEndpointsSatisfied();
        assertEquals(1, auditLogDao.getAuditCount(message));
        assertEquals(0, messageDao.getMessageCount(message));
    }

    @Test
    public void testFailureMock2() throws InterruptedException {
        AuditLogDao auditLogDao = getMandatoryBean(AuditLogDao.class, "auditLogDao");
        MessageDao messageDao = getMandatoryBean(MessageDao.class, "messageDao");
        String message = "ping";
        assertEquals(0, auditLogDao.getAuditCount(message));

        MockEndpoint mockOut1 = getMockEndpoint("mock:out1");
        mockOut1.setExpectedMessageCount(0);

        MockEndpoint mockOut2 = getMockEndpoint("mock:out2");
        mockOut2.whenAnyExchangeReceived(new ExceptionThrowingProcessor());

        try {
            template.sendBody("direct:policies", message);
            fail();
        } catch (Exception e) {
            assertEquals("boom!", ExceptionUtils.getRootCause(e).getMessage());
        }

        assertMockEndpointsSatisfied();
        assertEquals(1, auditLogDao.getAuditCount(message));
        assertEquals(0, messageDao.getMessageCount(message));
    }

    @Test
    public void testSuccess() throws InterruptedException {
        AuditLogDao auditLogDao = getMandatoryBean(AuditLogDao.class, "auditLogDao");
        MessageDao messageDao = getMandatoryBean(MessageDao.class, "messageDao");

        String message = "ping";
        assertEquals(0, auditLogDao.getAuditCount(message));

        MockEndpoint mockOut1 = getMockEndpoint("mock:out1");
        mockOut1.setExpectedMessageCount(1);
        mockOut1.message(0).body().isEqualTo(message);

        MockEndpoint mockOut2 = getMockEndpoint("mock:out2");
        mockOut2.setExpectedMessageCount(1);
        mockOut2.message(0).body().isEqualTo(message);

        template.sendBody("direct:policies", message);

        assertMockEndpointsSatisfied();
        assertEquals(1, auditLogDao.getAuditCount(message));
        assertEquals(1, messageDao.getMessageCount(message));
    }
}