/*
* Copyright 2013-2016 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.expression;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNotSame;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertSame;
import org.junit.Test;
import org.springframework.beans.factory.support.RootBeanDefinition;
import org.springframework.context.support.ConversionServiceFactoryBean;
import org.springframework.context.support.GenericApplicationContext;
import org.springframework.core.convert.support.DefaultConversionService;
import org.springframework.expression.TypeConverter;
import org.springframework.expression.spel.support.StandardEvaluationContext;
import org.springframework.integration.config.IntegrationEvaluationContextFactoryBean;
import org.springframework.integration.context.IntegrationContextUtils;
import org.springframework.integration.support.utils.IntegrationUtils;
import org.springframework.integration.test.util.TestUtils;
/**
* @author Gary Russell
*
* @since 3.0
*/
public class ExpressionUtilsTests {
@Test
public void testEvaluationContext() {
GenericApplicationContext context = new GenericApplicationContext();
context.registerBeanDefinition(IntegrationContextUtils.INTEGRATION_EVALUATION_CONTEXT_BEAN_NAME,
new RootBeanDefinition(IntegrationEvaluationContextFactoryBean.class));
context.registerBeanDefinition(IntegrationUtils.INTEGRATION_CONVERSION_SERVICE_BEAN_NAME,
new RootBeanDefinition(ConversionServiceFactoryBean.class));
context.refresh();
StandardEvaluationContext evalContext = ExpressionUtils.createStandardEvaluationContext(context);
assertNotNull(evalContext.getBeanResolver());
assertNotNull(evalContext.getTypeConverter());
IntegrationEvaluationContextFactoryBean factory =
context.getBean("&" + IntegrationContextUtils.INTEGRATION_EVALUATION_CONTEXT_BEAN_NAME,
IntegrationEvaluationContextFactoryBean.class);
assertSame(evalContext.getTypeConverter(), TestUtils.getPropertyValue(factory, "typeConverter"));
}
@Test
public void testEvaluationContextDefaultTypeConverter() {
GenericApplicationContext context = new GenericApplicationContext();
context.registerBeanDefinition(IntegrationContextUtils.INTEGRATION_EVALUATION_CONTEXT_BEAN_NAME,
new RootBeanDefinition(IntegrationEvaluationContextFactoryBean.class));
context.refresh();
StandardEvaluationContext evalContext = ExpressionUtils.createStandardEvaluationContext(context);
assertNotNull(evalContext.getBeanResolver());
TypeConverter typeConverter = evalContext.getTypeConverter();
assertNotNull(typeConverter);
assertSame(DefaultConversionService.getSharedInstance(),
TestUtils.getPropertyValue(typeConverter, "conversionService"));
}
@Test
public void testEvaluationContextNoFactoryBean() {
GenericApplicationContext context = new GenericApplicationContext();
context.registerBeanDefinition(IntegrationUtils.INTEGRATION_CONVERSION_SERVICE_BEAN_NAME,
new RootBeanDefinition(ConversionServiceFactoryBean.class));
context.refresh();
StandardEvaluationContext evalContext = ExpressionUtils.createStandardEvaluationContext(context);
assertNotNull(evalContext.getBeanResolver());
TypeConverter typeConverter = evalContext.getTypeConverter();
assertNotNull(typeConverter);
assertNotSame(DefaultConversionService.getSharedInstance(),
TestUtils.getPropertyValue(typeConverter, "conversionService"));
assertSame(context.getBean(IntegrationUtils.INTEGRATION_CONVERSION_SERVICE_BEAN_NAME),
TestUtils.getPropertyValue(typeConverter, "conversionService"));
}
@Test
public void testEvaluationContextNoBeanFactory() {
StandardEvaluationContext evalContext = ExpressionUtils.createStandardEvaluationContext();
assertNull(evalContext.getBeanResolver());
TypeConverter typeConverter = evalContext.getTypeConverter();
assertNotNull(typeConverter);
assertSame(DefaultConversionService.getSharedInstance(),
TestUtils.getPropertyValue(typeConverter, "conversionService"));
}
}