package zxn.test.mocklocalvariable;
import org.junit.Assert;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.Mockito;
import org.powermock.api.mockito.PowerMockito;
import org.powermock.core.classloader.annotations.PrepareForTest;
import org.powermock.modules.junit4.PowerMockRunner;
/**mock局部变量
* @author zhangxiangnan
* @create time:2015年7月26日 上午10:13:31
*/
//显示声明junit使用某个Runner来运行测试用例
@RunWith(PowerMockRunner.class)
@PrepareForTest(UserService.class)//使用该注解动态修改UserSercice的字节码文件满足特殊需求，如final、静态、局部等，和RunWith注解配合使用
public class MockLovalVariableTest {
//方法带有返回类型
@Test
public void testMockLocalvariableForReturnValMethod(){
UserDao userDao = PowerMockito.mock(UserDao.class);//mock dao对象
try {
PowerMockito.whenNew(UserDao.class).withNoArguments().thenReturn(userDao);//设置当Userdao被通过无参构造器创建时，则返回已mock的dao对象
PowerMockito.when(userDao.getUserCount()).thenReturn(1000L);//设置被mock的dao的方法被调用时的返回值
long userCount = new UserService().getUserCount();
Assert.assertEquals(1000L, userCount);
} catch (Exception e) {
e.printStackTrace();
}
}
//方法返回类型为void
@Test
public void testMockLocaVariableForVoidMethod(){
UserDao userDao = PowerMockito.mock(UserDao.class);
try {
PowerMockito.whenNew(UserDao.class).withNoArguments().thenReturn(userDao);
User user = new User();
PowerMockito.doNothing().when(userDao).addUser(user);//void方法被调用什么也不做
new UserService().addUser(user);
Mockito.verify(userDao).addUser(user);//void方法通过验证被调用一次来检验
} catch (Exception e) {
e.printStackTrace();
}
}
//传统测试方法
// @Test
public void testGetTotalUserCount(){
UserService service = new UserService();
long userCount = service.getUserCount();
System.err.println(userCount);
//throw runtimeException
}
}
class UserService {
public long getUserCount(){
UserDao userDao = new UserDao();//局部变量
return userDao.getUserCount();
}
public void addUser(User user){
UserDao userDao = new UserDao();//局部变量
userDao.addUser(user);
}
}
class UserDao{
public long getUserCount(){
throw new RuntimeException();//模仿链接不上数据库的情况
}
public void addUser(User user){
throw new RuntimeException();
}
}
class User {
}
PowerMockStudy.zip （57个子文件） 
PowerMockStudy src zxn test mockfinalclassormethod 
MockFinalClassOrMethod.java 2KB mockfieldvariable MockFieldVariableTest.java 2KB mockstaticmethod MockStaticMethod.java 1KB mockcontructors MockConstructors.java 1KB powermockitospytest PowerMockitoSpyTest.java 827B mocklocalvariable MockLovalVariableTest.java 3KB varifytest VerifyTest.java 1KB argumentmatcher ArgumentMatcherTest.java 1KB mockprivatemethod MockPrivateMethod.java 2KB answer AnswerTest.java 2KB .classpath 850B .settings org.eclipse.wst.jsdt.ui.superType.container 49B org.eclipse.wst.common.project.facet.core.xml 345B org.eclipse.wst.jsdt.ui.superType.name 6B org.eclipse.wst.common.component 501B .jsdtscope 522B org.eclipse.jdt.core.prefs 364B .project 1KB WebRoot META-INF MANIFEST.MF 39B index.jsp 834B WEB-INF classes zxn test mockfinalclassormethod DateUtils.class 464B MockFinalClassOrMethod.class 2KB User.class 319B UserService.class 784B UserDao.class 623B mockfieldvariable User.class 308B UserService.class 772B MockFieldVariableTest.class 2KB UserDao.class 602B mockstaticmethod MockStaticMethod.class 1KB ValidateUtils.class 528B mockcontructors User.class 299B UserService.class 574B MockConstructors.class 2KB UserDao.class 589B powermockitospytest EvalScore.class 612B PowerMockitoSpyTest.class 1KB mocklocalvariable User.class 308B UserService.class 730B MockLovalVariableTest.class 3KB UserDao.class 602B varifytest EvaluateScore.class 692B VerifyTest.class 1KB argumentmatcher ArgumentMatcherTest$1.class 1KB ArgumentMatcherTest.class 1KB EvalScore.class 466B mockprivatemethod EvalScore.class 839B MockPrivateMethod.class 2KB answer AnswerTest.class 2KB EvalScore.class 439B AnswerTest$1.class 1KB lib 
powermock-mockito-1.6.2-full.jar 618KB javassist-3.19.0-GA.jar 732KB mockito-all-1.10.19.jar 1.18MB junit-4.12.jar 308KB cglib-nodep-2.2.2.jar 319KB objenesis-2.1.jar 41KB资源评论
