Jfinal 怎么对service层做单元测试呢，

Question

 

 

看到这篇文章介绍了对congtroller做单元测试 那对sevice层怎么做单元测试呢

我再junit 里面写sql查询汇报这样的空指针异常

AssignSeller.testAssignSeller (Failed Tests first)
testAssignSeller(com.canyou.AssignSeller)
java.lang.NullPointerException

	at com.jfinal.plugin.activerecord.Model.find(Model.java:567)

	at com.jfinal.plugin.activerecord.Model.findFirst(Model.java:594)

	at com.jfinal.plugin.activerecord.Model.findFirst(Model.java:603)

	at com.canyou.AssignSeller.getClient(AssignSeller.java:29)

	at com.canyou.AssignSeller.testAssignSeller(AssignSeller.java:84)

	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)

	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)

	at java.lang.reflect.Method.invoke(Method.java:606)

	at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:45)

	at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15)

	at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:42)

	at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:20)

	at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:263)

	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:68)

	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:47)

	at org.junit.runners.ParentRunner$3.run(ParentRunner.java:231)

	at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:60)

	at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:229)

	at org.junit.runners.ParentRunner.access$000(ParentRunner.java:50)

	at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:222)

	at org.junit.runners.ParentRunner.run(ParentRunner.java:300)

	at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:86)

	at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)

	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:459)

	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:675)

	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:382)

	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:192)

switch (sourceType) {
			case 0:// 传值
				break;
			case 1:// 个人邀请
					// 随机邀请人
				Clientbase iClient = Clientbase.dao
						.findFirst("select * from crm_clientbase_tb order by rand() LIMIT 1");
				client.setSourceType(1);
				client.setInvitationCode(String.valueOf(iClient.getId()));
				break;
			case 2:
				Activity act = Activity.dao.findFirst("select * from mkt_activity_tb order by rand() LIMIT 1");
				client.setSourceType(2);
				client.setInvitationCode(String.valueOf(act.getId()));
				break;
			case 4:
				Organization org = Organization.dao
						.findFirst("select * from crm_organization_tb order by rand() LIMIT 1");
				client.setSourceType(4);
				client.setInvitationCode(String.valueOf(org.getId()));
				break;
			default:
				break;
			}
			return client;

写 这样的代码  测试会报空指针异常

Answer 1

谢谢

Answer 2

在 jfinal 官网下载 jfinal 手册，看一下《5.13 任意环境下使用 ActiveRecord》这一章节，里面介绍了如何在任意环境下使用 active record plugin