Mockito org.mockito.exceptions.misusing.UnfinishedStubbingException：检测到未完成的存根
Mockito org.mockito.exceptions.misusing.UnfinishedStubbingException: Unfinished stubbing detected
我想使用 mockito 和 powermockito 为以下 spring MVC 控制器编写单元测试用例。
@Controller
@Configuration
@PropertySource("classpath:project/web/properties/RealTimeAPI.properties")
@RequestMapping("/learnon")
public class ClassManagerController {
private final Logger logger = Logger.getLogger(ClassManagerController.class);
@Autowired
private ClassManagerService classManagerService;
@Autowired
private GroupUserService groupUserService;
@RequestMapping(value = "/teacher", method = RequestMethod.GET)
public ModelAndView showClassDetail(HttpServletRequest request, HttpSession httpSession,
@RequestParam(value = "isbn", required = false) String isbn13,
@RequestParam(value = "classId", required = false) Long classId) {
String redirectUrl = "https://example.com/jsp/Login.jsp?reason=failedLogin&redirectUri=https://example.com/secure/Bookshelf";
String accessDeniedUri = "https://example.com/jsp/AccessDenied.jsp";
if (httpSession.getAttribute("USERID") == null) {
return new ModelAndView("redirect:" + redirectUrl);
}
try {
long userId = Long.parseLong(httpSession.getAttribute("USERID").toString());
UserBean user = classManagerService.getUser(userId);
if (httpSession.getAttribute("SCHOOLID") == null) {
httpSession.setAttribute("SCHOOLID", user.getSchoolId());
}
if (httpSession.getAttribute("FULLFILLMENT_YEAR") == null) {
httpSession.setAttribute("FULLFILLMENT_YEAR", user.getFulfillmentYear());
}
String isbn10 = ISBNUtil.convertIsbn13ToIsbn10(isbn13);
String title = "";
ModelAndView mav = null;
ClassManagerBean classBean = null;
if(classId == null && httpSession.getAttribute("classId") != null){
classId = (Long)httpSession.getAttribute("classId");
}
if(classId != null && classId > 0) {
List<UserBean> userBeanList = classManagerService.getUserList(user.getSchoolId(), classId, isbn10);
classBean = classManagerService.getClassById(classId);
classBean.setUserNumber(userBeanList.size());
title = classBean.getTitle();
//Set the view to ClassManager.jsp
mav = new ModelAndView("ClassManager");
mav.addObject("userList", userBeanList);
boolean authorized = userBeanList.stream().anyMatch(u->u.getUserId() == userId);
if(!authorized){
ModelAndView modelAndView = new ModelAndView("redirect:" + accessDeniedUri);
modelAndView.addObject("accessDenied", "true");
return modelAndView;
}
}else{
title = classManagerService.getTitle(isbn10);
//Set the view to createNewClass.jsp
mav = new ModelAndView("CreateNewClass");
classBean = new ClassManagerBean();
classBean.setLo2Flag(true);
classBean.setIsbn(isbn10);
classBean.setTitle(title);
}
httpSession.setAttribute("searchTitle", title);
httpSession.setAttribute("selectedIsbn", isbn10);
httpSession.setAttribute("classId", classId);
mav.addObject("user", user);
mav.addObject("classBean", classBean);
return mav;
} catch (Exception ex) {
ModelAndView mav2 = new ModelAndView("redirect:" + accessDeniedUri);
mav2.addObject("accessDenied", "true");
logger.error("Exception Occurred, Redirecting to Access Denied...", ex);
return mav2;
}
}
}
我已经为上述 class 编写了以下单元测试用例，并且在我尝试 运行 测试时 运行 收到 UnfinishedStubbingException 异常。
@Test
public void testShowClassDetail1() throws Exception {
HttpServletRequest httpRequest = mock(HttpServletRequest.class);
HttpSession httpSession = mock(HttpSession.class);
Mockito.when(httpSession.getAttribute("USERID")).thenReturn(new String("anyString"));
List<UserBean> list = new ArrayList<UserBean>();
List<UserBean> spyList = Mockito.spy(list);
Mockito.when(classManagerService.getUserList(Mockito.anyLong(), Mockito.anyLong(), Mockito.anyString())).thenReturn(spyList);
doReturn(false).when(spyList.stream().anyMatch(u->u.getUserId() == Mockito.anyLong()));
RequestBuilder request = MockMvcRequestBuilders
.get("/learnon/teacher")
.param("isbn", "1234567890123")
.param("classId", "1")
.accept(MediaType.APPLICATION_JSON);
String modalView = "redirect:" + "https://www.example.com/jsp/AccessDenied.jsp";
ResultActions result = mockMvc.perform(request)
.andExpect(status().is3xxRedirection())
.andExpect(view().name(modalView));
}
异常：
org.mockito.exceptions.misusing.UnfinishedStubbingException:
Unfinished stubbing detected here:
-> at learnonclassmanager.spring.web.controller.ClassManagerControllerTest.testShowClassDetail1(ClassManagerControllerTest.java:98)
E.g. thenReturn() may be missing.
Examples of correct stubbing:
when(mock.isOk()).thenReturn(true);
when(mock.isOk()).thenThrow(exception);
doThrow(exception).when(mock).someVoidMethod();
Hints:
1. missing thenReturn()
2. you are trying to stub a final method, you naughty developer!
3: you are stubbing the behaviour of another mock inside before 'thenReturn' instruction if completed
at learnonclassmanager.spring.web.controller.ClassManagerControllerTest.testShowClassDetail1(ClassManagerControllerTest.java:98)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.junit.internal.runners.TestMethod.invoke(TestMethod.java:68)
at org.powermock.modules.junit4.internal.impl.PowerMockJUnit44RunnerDelegateImpl$PowerMockJUnit44MethodRunner.runTestMethod(PowerMockJUnit44RunnerDelegateImpl.java:316)
at org.junit.internal.runners.MethodRoadie.run(MethodRoadie.java:89)
at org.junit.internal.runners.MethodRoadie.runBeforesThenTestThenAfters(MethodRoadie.java:97)
at org.powermock.modules.junit4.internal.impl.PowerMockJUnit44RunnerDelegateImpl$PowerMockJUnit44MethodRunner.executeTest(PowerMockJUnit44RunnerDelegateImpl.java:300)
at org.powermock.modules.junit4.internal.impl.PowerMockJUnit47RunnerDelegateImpl$PowerMockJUnit47MethodRunner.executeTestInSuper(PowerMockJUnit47RunnerDelegateImpl.java:131)
at org.powermock.modules.junit4.internal.impl.PowerMockJUnit47RunnerDelegateImpl$PowerMockJUnit47MethodRunner.access0(PowerMockJUnit47RunnerDelegateImpl.java:59)
at org.powermock.modules.junit4.internal.impl.PowerMockJUnit47RunnerDelegateImpl$PowerMockJUnit47MethodRunner$TestExecutorStatement.evaluate(PowerMockJUnit47RunnerDelegateImpl.java:147)
at org.powermock.modules.junit4.internal.impl.PowerMockJUnit47RunnerDelegateImpl$PowerMockJUnit47MethodRunner.evaluateStatement(PowerMockJUnit47RunnerDelegateImpl.java:107)
at org.powermock.modules.junit4.internal.impl.PowerMockJUnit47RunnerDelegateImpl$PowerMockJUnit47MethodRunner.executeTest(PowerMockJUnit47RunnerDelegateImpl.java:82)
at org.powermock.modules.junit4.internal.impl.PowerMockJUnit44RunnerDelegateImpl$PowerMockJUnit44MethodRunner.runBeforesThenTestThenAfters(PowerMockJUnit44RunnerDelegateImpl.java:288)
at org.junit.internal.runners.MethodRoadie.runTest(MethodRoadie.java:87)
at org.junit.internal.runners.MethodRoadie.run(MethodRoadie.java:50)
at org.powermock.modules.junit4.internal.impl.PowerMockJUnit44RunnerDelegateImpl.invokeTestMethod(PowerMockJUnit44RunnerDelegateImpl.java:208)
at org.powermock.modules.junit4.internal.impl.PowerMockJUnit44RunnerDelegateImpl.runMethods(PowerMockJUnit44RunnerDelegateImpl.java:147)
at org.powermock.modules.junit4.internal.impl.PowerMockJUnit44RunnerDelegateImpl.run(PowerMockJUnit44RunnerDelegateImpl.java:121)
at org.junit.internal.runners.ClassRoadie.runUnprotected(ClassRoadie.java:34)
at org.junit.internal.runners.ClassRoadie.runProtected(ClassRoadie.java:44)
at org.powermock.modules.junit4.internal.impl.PowerMockJUnit44RunnerDelegateImpl.run(PowerMockJUnit44RunnerDelegateImpl.java:123)
at org.powermock.modules.junit4.common.internal.impl.JUnit4TestSuiteChunkerImpl.run(JUnit4TestSuiteChunkerImpl.java:121)
at org.powermock.modules.junit4.common.internal.impl.AbstractCommonPowerMockRunner.run(AbstractCommonPowerMockRunner.java:53)
at org.powermock.modules.junit4.PowerMockRunner.run(PowerMockRunner.java:59)
at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:89)
at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:41)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:541)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:763)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:463)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:209)
我试图解决异常，但仍然没有成功。帮我解决这个异常。
编辑：
我删除了以下行
doReturn(false).when(spyList.stream().anyMatch(u->u.getUserId() == Mockito.anyLong()));
并按如下方式更新测试。
@Test
public void testShowClassDetail1() throws Exception {
HttpServletRequest httpRequest = mock(HttpServletRequest.class);
HttpSession httpSession = mock(HttpSession.class);
Mockito.when(httpSession.getAttribute("USERID")).thenReturn(1l);
UserBean beanMock = mock(UserBean.class);
Mockito.when(classManagerService.getUser(1l)).thenReturn(beanMock);
List<UserBean> beanList = new ArrayList<>();
beanList.add(beanMock);
Mockito.when(classManagerService.getUserList(Mockito.anyLong(), Mockito.anyLong(), Mockito.anyString())).thenReturn(beanList);
Mockito.when(beanMock.getUserId()).thenReturn(2l);
RequestBuilder request = MockMvcRequestBuilders
.get("/learnon/teacher")
.param("isbn", "1234567890123")
.param("classId", "1")
.accept(MediaType.APPLICATION_JSON);
String modalView = "redirect:" + "https://example.com/jsp/AccessDenied.jsp";
ResultActions result = mockMvc.perform(request)
.andExpect(status().is3xxRedirection())
.andExpect(view().name(modalView));
}
现在我正在关注 AssetionError。
java.lang.AssertionError: View name
expected:https://example.com/jsp/AccessDenied.jsp> but
was:https://example.com/jsp/Login.jsp?reason=failedLogin&redirectUri=https:/
让我们看看下面这行（为便于阅读而格式化）：
doReturn(false).when(
spyList.stream()
.anyMatch(u->u.getUserId() == Mockito.anyLong())
);
里面有两个错误，一个是异常报的，另一个我也会解释的
错误 1：对传递给 when
的真实对象的方法调用
为了记录方法调用，您必须将模拟方法调用的结果传递给 when 函数。在您的代码中情况并非如此，因为 stream() return 的真实对象
见How does mockito when() invocation work?
错误 2：无效使用 ArgumentMatchers
您不能使用 Mockito.anyLong() 作为任意值。这编译为 ArgumentMatchers return 虚拟值（零），但不能按预期工作（与 anyLong() 的比较并不总是正确的）。
见How do Mockito matchers work?
解决方案
模拟的目的是强制在被测方法中满足某些条件。
您的目标是在按 ID 查找用户时 return false。
要实现它，只需使用空列表。这意味着可以删除整个有问题的行。
@RunWith(PowerMockRunner.class)
public class ClassManagerControllerTest {
@Mock
public ClassManagerService classManagerService;
@InjectMocks
public ClassManagerServiceImpl classManagerServiceImpl;
@Mock
public GroupUserService groupUserService;
private MockMvc mockMvc;
@InjectMocks
private ClassManagerController classManagerController;
@Before
public void setUp() {
mockMvc = MockMvcBuilders.standaloneSetup(classManagerController).build();
MockitoAnnotations.initMocks(this);
}
@Test
public void testShowClassDetail1() throws Exception {
UserBean beanMock = mock(UserBean.class);
Mockito.when(classManagerService.getUser(1l)).thenReturn(beanMock);
List<UserBean> beanList = new ArrayList<>();
beanList.add(beanMock);
Mockito.when(classManagerService.getUserList(Mockito.anyLong(), Mockito.anyLong(), Mockito.anyString())).thenReturn(beanList);
Mockito.when(beanMock.getUserId()).thenReturn(2l);
RequestBuilder request = MockMvcRequestBuilders
.get("/learnon/teacher")
.param("isbn", "1234567890123")
.param("classId", "1")
.sessionAttr("USERID", 1l)
.accept(MediaType.APPLICATION_JSON);
String modalView = "redirect:" + "https://www.example.com/jsp/AccessDenied.jsp";
ResultActions result = mockMvc.perform(request)
.andExpect(status().is3xxRedirection())
.andExpect(view().name(modalView));
}
}
对我来说，问题的发生是由于 stubbing the behaviour of another mock inside before 'thenReturn' instruction is completed
旧代码是：
Mockito.doReturn(Unit).whenever(mockObj)
.login(userObject, spyMainActivityViewModel.onLoginListener)
我改成了
val listener = spyMainActivityViewModel.onLoginListener
Mockito.doReturn(Unit).whenever(mockObj)
.login(userObject, listener)
(https://github.com/mdhpuri355/Mockito/blob/master/src/main/java/org/mockito/internal/exceptions/Reporter.java。参考unfinishedStubbing() 提示3)
我想使用 mockito 和 powermockito 为以下 spring MVC 控制器编写单元测试用例。
@Controller
@Configuration
@PropertySource("classpath:project/web/properties/RealTimeAPI.properties")
@RequestMapping("/learnon")
public class ClassManagerController {
private final Logger logger = Logger.getLogger(ClassManagerController.class);
@Autowired
private ClassManagerService classManagerService;
@Autowired
private GroupUserService groupUserService;
@RequestMapping(value = "/teacher", method = RequestMethod.GET)
public ModelAndView showClassDetail(HttpServletRequest request, HttpSession httpSession,
@RequestParam(value = "isbn", required = false) String isbn13,
@RequestParam(value = "classId", required = false) Long classId) {
String redirectUrl = "https://example.com/jsp/Login.jsp?reason=failedLogin&redirectUri=https://example.com/secure/Bookshelf";
String accessDeniedUri = "https://example.com/jsp/AccessDenied.jsp";
if (httpSession.getAttribute("USERID") == null) {
return new ModelAndView("redirect:" + redirectUrl);
}
try {
long userId = Long.parseLong(httpSession.getAttribute("USERID").toString());
UserBean user = classManagerService.getUser(userId);
if (httpSession.getAttribute("SCHOOLID") == null) {
httpSession.setAttribute("SCHOOLID", user.getSchoolId());
}
if (httpSession.getAttribute("FULLFILLMENT_YEAR") == null) {
httpSession.setAttribute("FULLFILLMENT_YEAR", user.getFulfillmentYear());
}
String isbn10 = ISBNUtil.convertIsbn13ToIsbn10(isbn13);
String title = "";
ModelAndView mav = null;
ClassManagerBean classBean = null;
if(classId == null && httpSession.getAttribute("classId") != null){
classId = (Long)httpSession.getAttribute("classId");
}
if(classId != null && classId > 0) {
List<UserBean> userBeanList = classManagerService.getUserList(user.getSchoolId(), classId, isbn10);
classBean = classManagerService.getClassById(classId);
classBean.setUserNumber(userBeanList.size());
title = classBean.getTitle();
//Set the view to ClassManager.jsp
mav = new ModelAndView("ClassManager");
mav.addObject("userList", userBeanList);
boolean authorized = userBeanList.stream().anyMatch(u->u.getUserId() == userId);
if(!authorized){
ModelAndView modelAndView = new ModelAndView("redirect:" + accessDeniedUri);
modelAndView.addObject("accessDenied", "true");
return modelAndView;
}
}else{
title = classManagerService.getTitle(isbn10);
//Set the view to createNewClass.jsp
mav = new ModelAndView("CreateNewClass");
classBean = new ClassManagerBean();
classBean.setLo2Flag(true);
classBean.setIsbn(isbn10);
classBean.setTitle(title);
}
httpSession.setAttribute("searchTitle", title);
httpSession.setAttribute("selectedIsbn", isbn10);
httpSession.setAttribute("classId", classId);
mav.addObject("user", user);
mav.addObject("classBean", classBean);
return mav;
} catch (Exception ex) {
ModelAndView mav2 = new ModelAndView("redirect:" + accessDeniedUri);
mav2.addObject("accessDenied", "true");
logger.error("Exception Occurred, Redirecting to Access Denied...", ex);
return mav2;
}
}
}
我已经为上述 class 编写了以下单元测试用例，并且在我尝试 运行 测试时 运行 收到 UnfinishedStubbingException 异常。
@Test
public void testShowClassDetail1() throws Exception {
HttpServletRequest httpRequest = mock(HttpServletRequest.class);
HttpSession httpSession = mock(HttpSession.class);
Mockito.when(httpSession.getAttribute("USERID")).thenReturn(new String("anyString"));
List<UserBean> list = new ArrayList<UserBean>();
List<UserBean> spyList = Mockito.spy(list);
Mockito.when(classManagerService.getUserList(Mockito.anyLong(), Mockito.anyLong(), Mockito.anyString())).thenReturn(spyList);
doReturn(false).when(spyList.stream().anyMatch(u->u.getUserId() == Mockito.anyLong()));
RequestBuilder request = MockMvcRequestBuilders
.get("/learnon/teacher")
.param("isbn", "1234567890123")
.param("classId", "1")
.accept(MediaType.APPLICATION_JSON);
String modalView = "redirect:" + "https://www.example.com/jsp/AccessDenied.jsp";
ResultActions result = mockMvc.perform(request)
.andExpect(status().is3xxRedirection())
.andExpect(view().name(modalView));
}
异常：
org.mockito.exceptions.misusing.UnfinishedStubbingException:
Unfinished stubbing detected here:
-> at learnonclassmanager.spring.web.controller.ClassManagerControllerTest.testShowClassDetail1(ClassManagerControllerTest.java:98)
E.g. thenReturn() may be missing.
Examples of correct stubbing:
when(mock.isOk()).thenReturn(true);
when(mock.isOk()).thenThrow(exception);
doThrow(exception).when(mock).someVoidMethod();
Hints:
1. missing thenReturn()
2. you are trying to stub a final method, you naughty developer!
3: you are stubbing the behaviour of another mock inside before 'thenReturn' instruction if completed
at learnonclassmanager.spring.web.controller.ClassManagerControllerTest.testShowClassDetail1(ClassManagerControllerTest.java:98)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.junit.internal.runners.TestMethod.invoke(TestMethod.java:68)
at org.powermock.modules.junit4.internal.impl.PowerMockJUnit44RunnerDelegateImpl$PowerMockJUnit44MethodRunner.runTestMethod(PowerMockJUnit44RunnerDelegateImpl.java:316)
at org.junit.internal.runners.MethodRoadie.run(MethodRoadie.java:89)
at org.junit.internal.runners.MethodRoadie.runBeforesThenTestThenAfters(MethodRoadie.java:97)
at org.powermock.modules.junit4.internal.impl.PowerMockJUnit44RunnerDelegateImpl$PowerMockJUnit44MethodRunner.executeTest(PowerMockJUnit44RunnerDelegateImpl.java:300)
at org.powermock.modules.junit4.internal.impl.PowerMockJUnit47RunnerDelegateImpl$PowerMockJUnit47MethodRunner.executeTestInSuper(PowerMockJUnit47RunnerDelegateImpl.java:131)
at org.powermock.modules.junit4.internal.impl.PowerMockJUnit47RunnerDelegateImpl$PowerMockJUnit47MethodRunner.access0(PowerMockJUnit47RunnerDelegateImpl.java:59)
at org.powermock.modules.junit4.internal.impl.PowerMockJUnit47RunnerDelegateImpl$PowerMockJUnit47MethodRunner$TestExecutorStatement.evaluate(PowerMockJUnit47RunnerDelegateImpl.java:147)
at org.powermock.modules.junit4.internal.impl.PowerMockJUnit47RunnerDelegateImpl$PowerMockJUnit47MethodRunner.evaluateStatement(PowerMockJUnit47RunnerDelegateImpl.java:107)
at org.powermock.modules.junit4.internal.impl.PowerMockJUnit47RunnerDelegateImpl$PowerMockJUnit47MethodRunner.executeTest(PowerMockJUnit47RunnerDelegateImpl.java:82)
at org.powermock.modules.junit4.internal.impl.PowerMockJUnit44RunnerDelegateImpl$PowerMockJUnit44MethodRunner.runBeforesThenTestThenAfters(PowerMockJUnit44RunnerDelegateImpl.java:288)
at org.junit.internal.runners.MethodRoadie.runTest(MethodRoadie.java:87)
at org.junit.internal.runners.MethodRoadie.run(MethodRoadie.java:50)
at org.powermock.modules.junit4.internal.impl.PowerMockJUnit44RunnerDelegateImpl.invokeTestMethod(PowerMockJUnit44RunnerDelegateImpl.java:208)
at org.powermock.modules.junit4.internal.impl.PowerMockJUnit44RunnerDelegateImpl.runMethods(PowerMockJUnit44RunnerDelegateImpl.java:147)
at org.powermock.modules.junit4.internal.impl.PowerMockJUnit44RunnerDelegateImpl.run(PowerMockJUnit44RunnerDelegateImpl.java:121)
at org.junit.internal.runners.ClassRoadie.runUnprotected(ClassRoadie.java:34)
at org.junit.internal.runners.ClassRoadie.runProtected(ClassRoadie.java:44)
at org.powermock.modules.junit4.internal.impl.PowerMockJUnit44RunnerDelegateImpl.run(PowerMockJUnit44RunnerDelegateImpl.java:123)
at org.powermock.modules.junit4.common.internal.impl.JUnit4TestSuiteChunkerImpl.run(JUnit4TestSuiteChunkerImpl.java:121)
at org.powermock.modules.junit4.common.internal.impl.AbstractCommonPowerMockRunner.run(AbstractCommonPowerMockRunner.java:53)
at org.powermock.modules.junit4.PowerMockRunner.run(PowerMockRunner.java:59)
at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:89)
at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:41)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:541)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:763)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:463)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:209)
我试图解决异常，但仍然没有成功。帮我解决这个异常。
编辑：
我删除了以下行 doReturn(false).when(spyList.stream().anyMatch(u->u.getUserId() == Mockito.anyLong()));
并按如下方式更新测试。
@Test
public void testShowClassDetail1() throws Exception {
HttpServletRequest httpRequest = mock(HttpServletRequest.class);
HttpSession httpSession = mock(HttpSession.class);
Mockito.when(httpSession.getAttribute("USERID")).thenReturn(1l);
UserBean beanMock = mock(UserBean.class);
Mockito.when(classManagerService.getUser(1l)).thenReturn(beanMock);
List<UserBean> beanList = new ArrayList<>();
beanList.add(beanMock);
Mockito.when(classManagerService.getUserList(Mockito.anyLong(), Mockito.anyLong(), Mockito.anyString())).thenReturn(beanList);
Mockito.when(beanMock.getUserId()).thenReturn(2l);
RequestBuilder request = MockMvcRequestBuilders
.get("/learnon/teacher")
.param("isbn", "1234567890123")
.param("classId", "1")
.accept(MediaType.APPLICATION_JSON);
String modalView = "redirect:" + "https://example.com/jsp/AccessDenied.jsp";
ResultActions result = mockMvc.perform(request)
.andExpect(status().is3xxRedirection())
.andExpect(view().name(modalView));
}
现在我正在关注 AssetionError。
java.lang.AssertionError: View name expected:https://example.com/jsp/AccessDenied.jsp> but was:https://example.com/jsp/Login.jsp?reason=failedLogin&redirectUri=https:/
让我们看看下面这行（为便于阅读而格式化）：
doReturn(false).when(
spyList.stream()
.anyMatch(u->u.getUserId() == Mockito.anyLong())
);
里面有两个错误，一个是异常报的，另一个我也会解释的
错误 1：对传递给 when
的真实对象的方法调用
为了记录方法调用，您必须将模拟方法调用的结果传递给 when 函数。在您的代码中情况并非如此，因为 stream() return 的真实对象
见How does mockito when() invocation work?
错误 2：无效使用 ArgumentMatchers
您不能使用 Mockito.anyLong() 作为任意值。这编译为 ArgumentMatchers return 虚拟值（零），但不能按预期工作（与 anyLong() 的比较并不总是正确的）。
见How do Mockito matchers work?
解决方案
模拟的目的是强制在被测方法中满足某些条件。 您的目标是在按 ID 查找用户时 return false。 要实现它，只需使用空列表。这意味着可以删除整个有问题的行。
@RunWith(PowerMockRunner.class)
public class ClassManagerControllerTest {
@Mock
public ClassManagerService classManagerService;
@InjectMocks
public ClassManagerServiceImpl classManagerServiceImpl;
@Mock
public GroupUserService groupUserService;
private MockMvc mockMvc;
@InjectMocks
private ClassManagerController classManagerController;
@Before
public void setUp() {
mockMvc = MockMvcBuilders.standaloneSetup(classManagerController).build();
MockitoAnnotations.initMocks(this);
}
@Test
public void testShowClassDetail1() throws Exception {
UserBean beanMock = mock(UserBean.class);
Mockito.when(classManagerService.getUser(1l)).thenReturn(beanMock);
List<UserBean> beanList = new ArrayList<>();
beanList.add(beanMock);
Mockito.when(classManagerService.getUserList(Mockito.anyLong(), Mockito.anyLong(), Mockito.anyString())).thenReturn(beanList);
Mockito.when(beanMock.getUserId()).thenReturn(2l);
RequestBuilder request = MockMvcRequestBuilders
.get("/learnon/teacher")
.param("isbn", "1234567890123")
.param("classId", "1")
.sessionAttr("USERID", 1l)
.accept(MediaType.APPLICATION_JSON);
String modalView = "redirect:" + "https://www.example.com/jsp/AccessDenied.jsp";
ResultActions result = mockMvc.perform(request)
.andExpect(status().is3xxRedirection())
.andExpect(view().name(modalView));
}
}
对我来说，问题的发生是由于 stubbing the behaviour of another mock inside before 'thenReturn' instruction is completed
旧代码是：
Mockito.doReturn(Unit).whenever(mockObj)
.login(userObject, spyMainActivityViewModel.onLoginListener)
我改成了
val listener = spyMainActivityViewModel.onLoginListener
Mockito.doReturn(Unit).whenever(mockObj)
.login(userObject, listener)
(https://github.com/mdhpuri355/Mockito/blob/master/src/main/java/org/mockito/internal/exceptions/Reporter.java。参考unfinishedStubbing() 提示3)