SSM框架JUnit单元测试遇到的Bug

浅浅的花香味﹌ 2022-04-22 13:18 165阅读 0赞

## 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.selectByExample
    
    	at 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.dao.OrderMapperTest.testSelect(OrderMapperTest.java:21)
    	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
    	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    	at java.lang.reflect.Method.invoke(Method.java:498)
    	at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:47)
    	at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
    	at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:44)
    	at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
    	at org.springframework.test.context.junit4.statements.RunBeforeTestMethodCallbacks.evaluate(RunBeforeTestMethodCallbacks.java:75)
    	at org.springframework.test.context.junit4.statements.RunAfterTestMethodCallbacks.evaluate(RunAfterTestMethodCallbacks.java:86)
    	at org.springframework.test.context.junit4.statements.SpringRepeat.evaluate(SpringRepeat.java:84)
    	at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:271)
    	at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:254)
    	at org.springframework.test.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$2.evaluate(ParentRunner.java:229)
    	at org.springframework.test.context.junit4.statements.RunBeforeTestClassCallbacks.evaluate(RunBeforeTestClassCallbacks.java:61)
    	at org.springframework.test.context.junit4.statements.RunAfterTestClassCallbacks.evaluate(RunAfterTestClassCallbacks.java:70)
    	at org.junit.runners.ParentRunner.run(ParentRunner.java:309)
    	at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.run(SpringJUnit4ClassRunner.java:193)
    	at org.junit.runner.JUnitCore.run(JUnitCore.java:160)
    	at com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:68)
    	at com.intellij.rt.execution.junit.IdeaTestRunner$Repeater.startRunnerWithArgs(IdeaTestRunner.java:47)
    	at com.intellij.rt.execution.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:242)
    	at com.intellij.rt.execution.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="org.mybatis.spring.SqlSessionFactoryBean">
    		<property name="dataSource" ref="dataSourceManage" />
    		<property name="mapperLocations">
    			<list>
    				
    				<value>classpath:com/aoex/otc/dao/sqlmapper/OrderMapper.xml</value>
    			</list>
    		</property>
    		<property name="plugins">
    			<array>
    				<bean id="tableSegInterceptor" class="com.chainup.common.mybatis.MybatisInterceptor">
    					<constructor-arg index="0">
    						<value>debug</value>
    					</constructor-arg>
    					<constructor-arg index="1">
    						<value>1</value>
    					</constructor-arg>
    				</bean>
    			</array>
    		</property>
    	</bean>