StoredProcMessageHandlerParserTests.java example

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spring-integration-master
/*
 * Copyright 2002-2016 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.jdbc.config;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertTrue;

import java.sql.Types;
import java.util.List;

import org.junit.After;
import org.junit.Test;

import org.springframework.beans.DirectFieldAccessor;
import org.springframework.context.ConfigurableApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;
import org.springframework.expression.Expression;
import org.springframework.integration.endpoint.EventDrivenConsumer;
import org.springframework.integration.handler.advice.AbstractRequestHandlerAdvice;
import org.springframework.integration.jdbc.storedproc.ProcedureParameter;
import org.springframework.integration.test.util.TestUtils;
import org.springframework.jdbc.core.SqlInOutParameter;
import org.springframework.jdbc.core.SqlOutParameter;
import org.springframework.jdbc.core.SqlParameter;
import org.springframework.messaging.Message;
import org.springframework.messaging.MessageHandler;
import org.springframework.messaging.support.GenericMessage;

/**
 * @author Gunnar Hillert
 * @author Gary Russell
 * @since 2.1
 *
 */
public class StoredProcMessageHandlerParserTests {

	private ConfigurableApplicationContext context;

	private EventDrivenConsumer consumer;

	private static volatile int adviceCalled;

	@Test
	public void testProcedureNameIsSet() throws Exception {
		setUp("basicStoredProcOutboundChannelAdapterTest.xml", getClass());

		DirectFieldAccessor accessor = new DirectFieldAccessor(this.consumer);
		Object handler = accessor.getPropertyValue("handler");
		accessor = new DirectFieldAccessor(handler);

		Object executor = accessor.getPropertyValue("executor");
		DirectFieldAccessor executorAccessor = new DirectFieldAccessor(executor);

		Expression testProcedure1 = (Expression) executorAccessor.getPropertyValue("storedProcedureNameExpression");
		assertEquals("Resolution Required should be 'testProcedure1' but was " + testProcedure1, "testProcedure1",  testProcedure1.getValue());
	}

	@SuppressWarnings("unchecked")
	@Test
	public void testProcedurepParametersAreSet() throws Exception {
		setUp("basicStoredProcOutboundChannelAdapterTest.xml", getClass());

		DirectFieldAccessor accessor = new DirectFieldAccessor(this.consumer);
		Object handler = accessor.getPropertyValue("handler");
		accessor = new DirectFieldAccessor(handler);

		Object executor = accessor.getPropertyValue("executor");
		DirectFieldAccessor executorAccessor = new DirectFieldAccessor(executor);

		Object  procedureParameters = executorAccessor.getPropertyValue("procedureParameters");
		assertNotNull(procedureParameters);
		assertTrue(procedureParameters instanceof List);

		List<ProcedureParameter> procedureParametersAsList = (List<ProcedureParameter>) procedureParameters;

		assertTrue(procedureParametersAsList.size() == 4);

		ProcedureParameter parameter1 = procedureParametersAsList.get(0);
		ProcedureParameter parameter2 = procedureParametersAsList.get(1);
		ProcedureParameter parameter3 = procedureParametersAsList.get(2);
		ProcedureParameter parameter4 = procedureParametersAsList.get(3);

		assertEquals("username",    parameter1.getName());
		assertEquals("description", parameter2.getName());
		assertEquals("password",    parameter3.getName());
		assertEquals("age",         parameter4.getName());

		assertEquals("kenny",              parameter1.getValue());
		assertEquals("Who killed Kenny?",  parameter2.getValue());
		assertNull(parameter3.getValue());
		assertEquals(Integer.valueOf(30),  parameter4.getValue());

		assertNull(parameter1.getExpression());
		assertNull(parameter2.getExpression());
		assertEquals("payload.username", parameter3.getExpression());
		assertNull(parameter4.getExpression());

	}

	@SuppressWarnings("unchecked")
	@Test
	public void testSqlParametersAreSet() throws Exception {
		setUp("basicStoredProcOutboundChannelAdapterTest.xml", getClass());

		DirectFieldAccessor accessor = new DirectFieldAccessor(this.consumer);
		Object handler = accessor.getPropertyValue("handler");
		accessor = new DirectFieldAccessor(handler);

		Object executor = accessor.getPropertyValue("executor");
		DirectFieldAccessor executorAccessor = new DirectFieldAccessor(executor);

		Object  sqlParameters = executorAccessor.getPropertyValue("sqlParameters");

		assertNotNull(sqlParameters);
		assertTrue(sqlParameters instanceof List);

		List<SqlParameter> sqlParametersAsList = (List<SqlParameter>) sqlParameters;

		assertTrue(sqlParametersAsList.size() == 4);

		SqlParameter parameter1 = sqlParametersAsList.get(0);
		SqlParameter parameter2 = sqlParametersAsList.get(1);
		SqlParameter parameter3 = sqlParametersAsList.get(2);
		SqlParameter parameter4 = sqlParametersAsList.get(3);

		assertEquals("username",    parameter1.getName());
		assertEquals("password",    parameter2.getName());
		assertEquals("age",         parameter3.getName());
		assertEquals("description", parameter4.getName());

		assertNull("Expect that the scale is null.", parameter1.getScale());
		assertNull("Expect that the scale is null.", parameter2.getScale());
		assertEquals("Expect that the scale is 5.", Integer.valueOf(5),  parameter3.getScale());
		assertNull("Expect that the scale is null.", parameter4.getScale());

		assertEquals("SqlType is ", Types.VARCHAR, parameter1.getSqlType());
		assertEquals("SqlType is ", Types.VARCHAR, parameter2.getSqlType());
		assertEquals("SqlType is ", Types.INTEGER, parameter3.getSqlType());
		assertEquals("SqlType is ", Types.VARCHAR, parameter4.getSqlType());

		assertTrue(parameter1 instanceof SqlParameter);
		assertTrue(parameter2 instanceof SqlOutParameter);
		assertTrue(parameter3 instanceof SqlInOutParameter);
		assertTrue(parameter4 instanceof SqlParameter);

	}

	@Test
	public void adviceCalled() throws Exception {
		setUp("advisedStoredProcOutboundChannelAdapterTest.xml", getClass());

		MessageHandler handler = TestUtils.getPropertyValue(this.consumer, "handler", MessageHandler.class);
		handler.handleMessage(new GenericMessage<String>("foo"));
		assertEquals(1, adviceCalled);
	}

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

	public void setUp(String name, Class<?> cls) {
		context    = new ClassPathXmlApplicationContext(name, cls);
		consumer   = this.context.getBean("storedProcedureOutboundChannelAdapter", EventDrivenConsumer.class);
	}

	public static class FooAdvice extends AbstractRequestHandlerAdvice {

		@Override
		protected Object doInvoke(ExecutionCallback callback, Object target, Message<?> message) throws Exception {
			adviceCalled++;
			return null;
		}

	}
}