问题描述
我有一个抽象类,在构造函数中有一个注入服务,如何在单元测试中同时模拟abostract类和注入服务,这是代码示例
public abstract class SomeService {
private final SomeClient someClient;
@Inject
public SomeService(SomeClient someClient) {
this.someClient = someClient;
}
public User myMethod(int uid) {
User user = someClient.getUserByUid(uid);
...
return user;
}
这就是我要模拟并测试我的方法的地方
public class SomeServiceTest {
@Mock
private SomeService someService;
@Mock
private SomeClient someClient;
@Before
public void Setup() throws Exception {
MockitoAnnotations.initMocks(this);
// here how could I inject my someClient into my someService
when(someClient.getUserByUid(anyInt).Return(mockedUserObj);
}
@Test
public void myMethodTest(int uid) {
User result = someService.myMethod(1);
//here I want to mock up a response from my someClient that would be equal to mockedUserObj,but the someClient here doesn't seem to be the instance of someService
}
}
如何将我的someClient
注入两个模拟课程的someService
中?这样我就可以在这里使用相同的模拟客户端实例来模拟内部方法调用响应?
解决方法
由于无法实例化抽象类,因此创建仅用于测试目的的具体子类是有意义的。
public class MockSomeService extends SomeService {
}
public class SomeServiceTest {
@Mock
private SomeClient someClient;
private MockSomeService mockSomeService;
@Before
public void setUp() {
MockitoAnnotations.initMocks(this);
mockSomeService = new MockSomeService(someClient);
when(someClient.getUserByUid(Matchers.anyInt()).thenReturn(mockedUserObj);
}
@Test
public void myMethodTest(int uid) {
// Do stuff
}
}