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JMockit is a Java toolkit for automated developer testing. It contains mocking/faking APIs and a code coverage tool, supporting both JUnit and TestNG. The mocking APIs allow all kinds of Java code, without testability restrictions, to be tested in isolation from selected dependencies.

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/*
 * Copyright (c) 2006 Rogério Liesenfeld
 * This file is subject to the terms of the MIT license (see LICENSE.txt).
 */
package mockit.integration.springframework;

import javax.annotation.*;

import mockit.*;
import mockit.internal.injection.*;
import mockit.internal.state.*;

import org.springframework.beans.factory.support.*;

/**
 * If applied, this fake will take over calls to {@link AbstractBeanFactory#getBean(String)} and
 * {@link AbstractBeanFactory#getBean(String, Class)} in any implementation class, returning instead a
 * {@link Tested @Tested} or {@link Injectable @Injectable} object with the given field name, or a dependency object
 * injected at any level into a {@code @Tested} object.
 * 
 * In case said calls come (indirectly) from a test class having no {@code @Tested} fields, bean lookup will proceed
 * into the actual {@code getBean} implementation method.
 * 
 * Note this fake is only useful if the code under test makes direct calls to Spring's {@code getBean} methods.
 */
public final class FakeBeanFactory extends MockUp
{
   @Mock
   public Object getBean(@Nonnull Invocation invocation, @Nonnull String name)
   {
      TestedClassInstantiations testedClasses = TestRun.getTestedClassInstantiations();

      if (testedClasses == null) {
         return invocation.proceed();
      }

      BeanExporter beanExporter = testedClasses.getBeanExporter();
      Object bean = BeanLookup.getBean(beanExporter, name);
      return bean;
   }

   @Mock
   public  T getBean(@Nonnull Invocation invocation, @Nonnull String name, @Nullable Class requiredType)
   {
      TestedClassInstantiations testedClasses = TestRun.getTestedClassInstantiations();

      if (testedClasses == null) {
         return invocation.proceed();
      }

      BeanExporter beanExporter = testedClasses.getBeanExporter();
      T bean = BeanLookup.getBean(beanExporter, name, requiredType);
      return bean;
   }

   @Mock
   public  T getBean(@Nonnull Invocation invocation, @Nonnull Class requiredType)
   {
      TestedClassInstantiations testedClasses = TestRun.getTestedClassInstantiations();

      if (testedClasses == null) {
         return invocation.proceed();
      }

      BeanExporter beanExporter = testedClasses.getBeanExporter();
      T bean = BeanLookup.getBean(beanExporter, requiredType);
      return bean;
   }
}