Unit Testing with JUnit and Spring

@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration(loader = AnnotationConfigContextLoader.class)

    @Before
public void setup() throws Exception {
    ComponentContext.initComponentsLifeCycle();
}

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  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
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  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
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<beans xmlns="http://www.springframework.org/schema/beans"
  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:context="http://www.springframework.org/schema/context"
  xmlns:tx="http://www.springframework.org/schema/tx" xmlns:aop="http://www.springframework.org/schema/aop"
  xsi:schemaLocation="http://www.springframework.org/schema/beans
                      http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
                      http://www.springframework.org/schema/tx
                      http://www.springframework.org/schema/tx/spring-tx-3.0.xsd
                      http://www.springframework.org/schema/aop
                      http://www.springframework.org/schema/aop/spring-aop-3.0.xsd
                      http://www.springframework.org/schema/context
                      http://www.springframework.org/schema/context/spring-context-3.0.xsd">

  <context:annotation-config />

  <!-- @DB support -->
  <aop:config proxy-target-class="true">
    <aop:aspect id="dbContextBuilder" ref="transactionContextBuilder">
      <aop:pointcut id="captureAnyMethod" expression="execution(* *(..))" />

      <aop:around pointcut-ref="captureAnyMethod" method="AroundAnyMethod" />
    </aop:aspect>

  </aop:config>

  <bean id="transactionContextBuilder" class="com.cloud.utils.db.TransactionContextBuilder" />
  <bean id="componentContext" class="com.cloud.utils.component.ComponentContext"/>
  <bean id="TestConfiguration"
    class="[Test Configuration]" />
  <bean class="org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor">
    <property name="requiredParameterValue" value="false" />
  </bean>
</beans>

@Configuration
@ComponentScan(basePackageClasses={
        SecurityGroupRulesDaoImpl.class,
        UserVmDaoImpl.class,
        AccountDaoImpl.class,
        ConfigurationDaoImpl.class,
        SecurityGroupWorkDaoImpl.class,
        VmRulesetLogDaoImpl.class,
        VMInstanceDaoImpl.class,
        DomainDaoImpl.class,
        UsageEventDaoImpl.class,
        ResourceTagsDaoImpl.class,
        HostDaoImpl.class,
        HostDetailsDaoImpl.class,
        HostTagsDaoImpl.class,
        ClusterDaoImpl.class,
        HostPodDaoImpl.class,
        DataCenterDaoImpl.class,
        DataCenterIpAddressDaoImpl.class,
        HostTransferMapDaoImpl.class,
        SecurityGroupManagerImpl2.class,
        SecurityGroupDaoImpl.class,
        SecurityGroupVMMapDaoImpl.class,
        UserVmDetailsDaoImpl.class,
        DataCenterIpAddressDaoImpl.class,
        DataCenterLinkLocalIpAddressDaoImpl.class,
        DataCenterVnetDaoImpl.class,
        PodVlanDaoImpl.class,
        DcDetailsDaoImpl.class,
        SecurityGroupRuleDaoImpl.class,
        NicDaoImpl.class,
        SecurityGroupJoinDaoImpl.class},
        includeFilters={@Filter(value=SecurityGroupManagerTestConfiguration.Library.class, type=FilterType.CUSTOM)},
        useDefaultFilters=false
        )
public class SecurityGroupManagerTestConfiguration {

    @Bean
    public NetworkModel networkModel() {
        return Mockito.mock(NetworkModel.class);
    }

    @Bean
    public AgentManager agentManager() {
        return Mockito.mock(AgentManager.class);
    }

    @Bean
    public VirtualMachineManager virtualMachineManager(){
        return Mockito.mock(VirtualMachineManager.class);
    }

    @Bean
    public UserVmManager userVmManager() {
        return Mockito.mock(UserVmManager.class);
    }

    @Bean
    public NetworkManager networkManager(){
        return Mockito.mock(NetworkManager.class);
    }

    @Bean
    public AccountManager accountManager() {
        return Mockito.mock(AccountManager.class);
    }

    @Bean
    public DomainManager domainManager() {
        return Mockito.mock(DomainManager.class);
    }

    @Bean
    public ProjectManager projectManager() {
        return Mockito.mock(ProjectManager.class);
    }

    public static class Library implements TypeFilter {

        @Override
        public boolean match(MetadataReader mdr, MetadataReaderFactory arg1) throws IOException {
            mdr.getClassMetadata().getClassName();
            ComponentScan cs = SecurityGroupManagerTestConfiguration.class.getAnnotation(ComponentScan.class);
            return SpringComponentScanUtils.includedInBasePackageClasses(mdr.getClassMetadata().getClassName(), cs);
        }

    }
}