设定Mock对象的期望行为及返回值
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- package com.lijun.mockito;
import static org.mockito.Mockito.*;
import static org.junit.Assert.*;
import org.junit.Before;
import org.junit.Test;
import org.mockito.Mock;
import org.mockito.MockitoAnnotations;
/*******************************
* 对于final类,匿名类和JAVA基本类型是无法进行Mock的
* 对于static和final修饰的方法是无法进行设定的
*
*/
public class MockitoSampleTest {
// 对接口进行模拟
UserService mockUserService = mock(UserService.class);
// 对类进行模拟
UserServiceImpl mockServiceImpl = mock(UserServiceImpl.class);
@Mock
User mockUser;
@Before
public void initMocks() {
// 初始化当前测试类所有@Mock注解模拟对象
MockitoAnnotations.initMocks(this);
}
// 模拟接口UserService测试
@Test
public void testMockInterface() {
// 对方法设定返回值
when(mockUserService.findUserByUserName("tom")).thenReturn(
new User("tom", "1234"));
// 对方法设定返回值
doReturn(true).when(mockUserService).hasMatchUser("tom", "1234");
// 对void方法进行方法预期设定
User u = new User("John", "1234");
doNothing().when(mockUserService).registerUser(u);
// 执行方法调用
User user = mockUserService.findUserByUserName("tom");
boolean isMatch = mockUserService.hasMatchUser("tom", "1234");
mockUserService.registerUser(u);
assertNotNull(user);
assertEquals(user.getUserName(), "tom");
assertEquals(isMatch, true);
}
@Test
public void testMockClass() {
// 对方法设定返回值
when(mockServiceImpl.findUserByUserName("tom")).thenReturn(
new User("tom", "1234"));
doReturn(true).when(mockServiceImpl).hasMatchUser("tom", "1234");
User user = mockServiceImpl.findUserByUserName("tom");
boolean isMatch = mockServiceImpl.hasMatchUser("tom", "1234");
assertNotNull(user);
assertEquals(user.getUserName(), "tom");
assertEquals(isMatch, true);
}
@Test
public void testMockUser() {
when(mockUser.getUserName()).thenReturn("tom");
assertEquals(mockUser.getUserName(), "tom");
}
}