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    • me.tfeng.play.spring.test.MockingBeanPostProcessor Maven / Gradle / Ivy

    /**
 * Copyright 2014 Thomas Feng
 *
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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 me.tfeng.play.spring.test;

import java.util.HashMap;
import java.util.List;
import java.util.Map;

import org.mockito.Mockito;
import org.springframework.beans.BeansException;
import org.springframework.beans.factory.FactoryBean;
import org.springframework.beans.factory.config.BeanPostProcessor;

/**
 * @author Thomas Feng ([email protected])
 */
public class MockingBeanPostProcessor implements BeanPostProcessor {

  private Map> beans;
  private List> classes;
  private Map, Object> mocksForClasses = new HashMap<>();

  @Override
  public Object postProcessAfterInitialization(Object bean, String beanName) throws BeansException {
    if (beans != null) {
      Class beanClass = beans.get(beanName);
      if (beanClass != null) {
        return getMockForClass(beanClass);
      }
    }

    if (classes != null) {
      for (Class beanClass : classes) {
        if (beanClass.isInstance(bean)) {
          return getMockForClass(beanClass);
        } else if (bean instanceof FactoryBean
            && ((FactoryBean) bean).getObjectType().isAssignableFrom(beanClass)) {
          return new FactoryBean() {

            private Object mock = getMockForClass(beanClass);

            @Override
            public Object getObject() throws Exception {
              return mock;
            }

            @Override
            public Class getObjectType() {
              return beanClass;
            }

            @Override
            public boolean isSingleton() {
              return true;
            }
          };
        }
      }
    }

    return bean;
  }

  @Override
  public Object postProcessBeforeInitialization(Object bean, String beanName)
      throws BeansException {
    return bean;
  }

  public void setBeans(Map> beans) {
    this.beans = beans;
  }

  public void setClasses(List> classes) {
    this.classes = classes;
  }

  private Object getMockForClass(Class beanClass) {
    Object mock = mocksForClasses.get(beanClass);
    if (mock == null) {
      mock = Mockito.mock(beanClass);
      mocksForClasses.put(beanClass, mock);
    }
    return mock;
  }
}
    
    
    
    

    




    
    
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