SSM框架JUnit单元测试遇到的Bug

SSM框架JUnit单元测试遇到的Bug

问题描述

项目框架使用SpringMVC&Spring&MyBatis框架开发，在tomcat容器中运行正常，但是使用JUnit对DAO层进行单元测试出现BindingException，异常日志：

org.apache.ibatis.binding.BindingException: Invalid bound statement (not found): com.aoex.dao.OrderMapper.selectByExampleat org.apache.ibatis.binding.MapperMethod$SqlCommand.<init>(MapperMethod.java:214)at org.apache.ibatis.binding.MapperMethod.<init>(MapperMethod.java:48)at org.apache.ibatis.binding.MapperProxy.cachedMapperMethod(MapperProxy.java:59)at org.apache.ibatis.binding.MapperProxy.invoke(MapperProxy.java:52)at com.sun.proxy.$Proxy108.selectByExample(Unknown Source)at com.aoex.stSelect(OrderMapperTest.java:21)flect.NativeMethodAccessorImpl.invoke0(Native Method)flect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)flect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)at flect.Method.invoke(Method.java:498)at org.del.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:47)at org.junit.del.ReflectiveCallable.run(ReflectiveCallable.java:12)at org.del.FrameworkMethod.invokeExplosively(FrameworkMethod.java:44)at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)at st.context.junit4.statements.RunBeforeTestMethodCallbacks.evaluate(RunBeforeTestMethodCallbacks.java:75)at st.context.junit4.statements.RunAfterTestMethodCallbacks.evaluate(RunAfterTestMethodCallbacks.java:86)at st.context.junit4.statements.SpringRepeat.evaluate(SpringRepeat.java:84)at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:271)at st.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:254)at st.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:89)at org.junit.runners.ParentRunner$3.run(ParentRunner.java:238)at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:63)at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:236)at org.junit.runners.ParentRunner.access$000(ParentRunner.java:53)at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:229)at st.context.junit4.statements.RunBeforeTestClassCallbacks.evaluate(RunBeforeTestClassCallbacks.java:61)at st.context.junit4.statements.RunAfterTestClassCallbacks.evaluate(RunAfterTestClassCallbacks.java:70)at org.junit.runners.ParentRunner.run(ParentRunner.java:309)at st.context.junit4.SpringJUnit4ClassRunner.run(SpringJUnit4ClassRunner.java:193)at org.junit.runner.JUnitCore.run(JUnitCore.java:160)at com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:68)at cution.junit.IdeaTestRunner$Repeater.startRunnerWithArgs(IdeaTestRunner.java:47)at cution.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:242)at cution.junit.JUnitStarter.main(JUnitStarter.java:70)

解决方案

修改MyBatis配置文件，将SqlSessionFactoryBean的mapperLocations属性值的通配改为具体文件

<bean id="sqlSessionFactory" class=&#batis.spring.SqlSessionFactoryBean"><property name="dataSource" ref="dataSourceManage" /><property name="mapperLocations"><list><!--<value>classpath:com/aoex/otc/dao/**/*l</value>--><value>classpath:com/aoex/otc/dao/l</value></list></property><property name="plugins"><array><bean id="tableSegInterceptor" class="batis.MybatisInterceptor"><constructor-arg index="0"><value>debug</value></constructor-arg><constructor-arg index="1"><value>1</value></constructor-arg></bean></array></property></bean>