此测试有效:
@RunWith(MockitoJUnitRunner.class)
public class Test1 {
@InjectMocks private MyBean bean;
@Test
public void shouldWork() {
bean.test("ABC");
}
}
@Stateless
public class MyBean {
public String test(String s) {
System.out.println("This is a test " + s);
return s;
}
}
现在,我想在MyBean中注入一个新的EJB MyBean2并重新测试。为此,我也在Test1中模拟了MyBean2。这是新的测试:
@RunWith(MockitoJUnitRunner.class)
public class Test1 {
@Mock MyBean2 bean2;
@InjectMocks MyBean bean;
@Test
public void shouldWork() {
bean.test("ABC");
}
}
@Stateless
public class MyBean {
@Inject
MyBean2 bean2;
public String test(String s) {
return s + bean2.test2();
}
}
@Stateless
public class MyBean2 {
public String test2() {
return "DEF";
}
}
但是当我运行它时,当bean尝试调用bean2方法时,我得到NullPointerException
,可能是因为Mockito没有将注入的bean识别为EJB。
如何使这项工作?
看看Javadoc of @InjectMocks
。它声明你必须通过调用你的情况来调用正在使用的模拟的init:
@RunWith(MockitoJUnitRunner.class)
public class Test1 {
@InjectMocks
MyBean bean;
@Mock
MyBean2 bean2;
@Before
public void init() {
MockitoAnnotations.initMocks(this);
}
@Test
public void shouldWork() {
when(bean2.test2()).thenReturn("mocked return");
assertThat(bean.test("ABC")).isEqualTo("ABCmocked return");
}
}