Spring MockMvc Test : NullPointerException for mvc.perform() The Next CEO of Stack OverflowHow do you assert that a certain exception is thrown in JUnit 4 tests?Junit test case for spring MVC with RestEasyMock MVC unexpected resultMocking a file, filewriter and csvwriter within a method for unit test throwing NullPointerExceptionSpring MVC application Junit test case failingMappingException: Invalid path reference club.name! Associations can only be pointed to directly or via their id propertyspring boot hystrix integrationUnit testing code in catch block of a Spring Controllermapstruct junit test NullPointerExceptionJUnit forRest API with File Uploader fails with 406 Error
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Spring MockMvc Test : NullPointerException for mvc.perform()
The Next CEO of Stack OverflowHow do you assert that a certain exception is thrown in JUnit 4 tests?Junit test case for spring MVC with RestEasyMock MVC unexpected resultMocking a file, filewriter and csvwriter within a method for unit test throwing NullPointerExceptionSpring MVC application Junit test case failingMappingException: Invalid path reference club.name! Associations can only be pointed to directly or via their id propertyspring boot hystrix integrationUnit testing code in catch block of a Spring Controllermapstruct junit test NullPointerExceptionJUnit forRest API with File Uploader fails with 406 Error
0
I am new to unit test in spring Boot. I am trying to run a simple test of the controller.
But i'am getting a NullPointerException.
here is my code :
The controller class:
@RequestMapping("/trainings")
public class TrainingController
@Autowired
TrainingService ts;
@PostMapping()
public JsonResponse<AllTrainings> getTrainings()
JsonResponse<AllTrainings> json = new JsonResponse<AllTrainings>();
json.setStatus(JsonResponse.Status.OK);
json.setData(new AllTrainings(ts.getTrainings()));
return json;
The TrainingTest :
@RunWith(SpringRunner.class)
public abstract class TrainingTest
protected MockMvc mvc;
protected ObjectMapper mapper = new ObjectMapper();
@Before
public void setup()
MockitoAnnotations.initMocks(this);
@Test
public abstract void testGetTrainings() throws Exception;
@Test
public abstract void testGetTrainingById() throws Exception;
protected String toJson(Object object) throws JsonProcessingException
return mapper.writeValueAsString(object);
The TrainingControllerTest :
public class TrainingControllerTest extends TrainingTest{
@InjectMocks protected TrainingController controller;
@MockBean
TrainingRepository trainingRepo;
@Before
public void setup()
super.setup();
mvc = MockMvcBuilders.standaloneSetup(this.controller).build();
@Override
public void testGetTrainings() throws Exception
Training ang = new Training("TR0004");
Mockito
.when(this.trainingRepo.findAll())
.thenReturn(Arrays.asList(ang));
mvc.perform(MockMvcRequestBuilders.get("/trainings")
.contentType(MediaType.APPLICATION_JSON_VALUE))
.andDo(MockMvcResultHandlers.print())
.andExpect(MockMvcResultMatchers.status().isOk());
And here the error i'am getting:
org.springframework.web.util.NestedServletException: Request processing failed; nested exception is java.lang.NullPointerException
at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1013)
at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:908)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:660)
at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:882)
at org.springframework.test.web.servlet.TestDispatcherServlet.service(TestDispatcherServlet.java:71)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:741)
at org.springframework.mock.web.MockFilterChain$ServletFilterProxy.doFilter(MockFilterChain.java:166)
at org.springframework.mock.web.MockFilterChain.doFilter(MockFilterChain.java:133)
at org.springframework.test.web.servlet.MockMvc.perform(MockMvc.java:182)
at fr.ter.forco.training.TrainingControllerTest.testGetTrainings(TrainingControllerTest.java:41)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)
at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
at org.springframework.test.context.junit4.statements.RunBeforeTestExecutionCallbacks.evaluate(RunBeforeTestExecutionCallbacks.java:74)
at org.springframework.test.context.junit4.statements.RunAfterTestExecutionCallbacks.evaluate(RunAfterTestExecutionCallbacks.java:84)
at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)
at org.springframework.test.context.junit4.statements.RunBeforeTestMethodCallbacks.evaluate(RunBeforeTestMethodCallbacks.java:75)
at org.springframework.test.context.junit4.statements.RunAfterTestMethodCallbacks.evaluate(RunAfterTestMethodCallbacks.java:86)
at org.springframework.test.context.junit4.statements.SpringRepeat.evaluate(SpringRepeat.java:84)
at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)
at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:251)
at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:97)
at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)
at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)
at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)
at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)
at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)
at org.springframework.test.context.junit4.statements.RunBeforeTestClassCallbacks.evaluate(RunBeforeTestClassCallbacks.java:61)
at org.springframework.test.context.junit4.statements.RunAfterTestClassCallbacks.evaluate(RunAfterTestClassCallbacks.java:70)
at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.run(SpringJUnit4ClassRunner.java:190)
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)
Caused by: java.lang.NullPointerException
at fr.ter.forco.controllers.TrainingController.getTrainings(TrainingController.java:38)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:189)
at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:138)
at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:102)
at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:895)
at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:800)
at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:87)
at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1038)
at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:942)
at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1005)
... 41 more
The exception appears in the mvc.perform!
I really don't know why i'am getting this error.
Thank you.
java spring-boot testing junit
asked Mar 8 at 12:33
MongJiMongJi
305
add a comment |
0
I am new to unit test in spring Boot. I am trying to run a simple test of the controller.
But i'am getting a NullPointerException.
here is my code :
The controller class:
@RequestMapping("/trainings")
public class TrainingController
@Autowired
TrainingService ts;
@PostMapping()
public JsonResponse<AllTrainings> getTrainings()
JsonResponse<AllTrainings> json = new JsonResponse<AllTrainings>();
json.setStatus(JsonResponse.Status.OK);
json.setData(new AllTrainings(ts.getTrainings()));
return json;
The TrainingTest :
@RunWith(SpringRunner.class)
public abstract class TrainingTest
protected MockMvc mvc;
protected ObjectMapper mapper = new ObjectMapper();
@Before
public void setup()
MockitoAnnotations.initMocks(this);
@Test
public abstract void testGetTrainings() throws Exception;
@Test
public abstract void testGetTrainingById() throws Exception;
protected String toJson(Object object) throws JsonProcessingException
return mapper.writeValueAsString(object);
The TrainingControllerTest :
public class TrainingControllerTest extends TrainingTest{
@InjectMocks protected TrainingController controller;
@MockBean
TrainingRepository trainingRepo;
@Before
public void setup()
super.setup();
mvc = MockMvcBuilders.standaloneSetup(this.controller).build();
@Override
public void testGetTrainings() throws Exception
Training ang = new Training("TR0004");
Mockito
.when(this.trainingRepo.findAll())
.thenReturn(Arrays.asList(ang));
mvc.perform(MockMvcRequestBuilders.get("/trainings")
.contentType(MediaType.APPLICATION_JSON_VALUE))
.andDo(MockMvcResultHandlers.print())
.andExpect(MockMvcResultMatchers.status().isOk());
And here the error i'am getting:
org.springframework.web.util.NestedServletException: Request processing failed; nested exception is java.lang.NullPointerException
at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1013)
at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:908)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:660)
at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:882)
at org.springframework.test.web.servlet.TestDispatcherServlet.service(TestDispatcherServlet.java:71)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:741)
at org.springframework.mock.web.MockFilterChain$ServletFilterProxy.doFilter(MockFilterChain.java:166)
at org.springframework.mock.web.MockFilterChain.doFilter(MockFilterChain.java:133)
at org.springframework.test.web.servlet.MockMvc.perform(MockMvc.java:182)
at fr.ter.forco.training.TrainingControllerTest.testGetTrainings(TrainingControllerTest.java:41)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)
at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
at org.springframework.test.context.junit4.statements.RunBeforeTestExecutionCallbacks.evaluate(RunBeforeTestExecutionCallbacks.java:74)
at org.springframework.test.context.junit4.statements.RunAfterTestExecutionCallbacks.evaluate(RunAfterTestExecutionCallbacks.java:84)
at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)
at org.springframework.test.context.junit4.statements.RunBeforeTestMethodCallbacks.evaluate(RunBeforeTestMethodCallbacks.java:75)
at org.springframework.test.context.junit4.statements.RunAfterTestMethodCallbacks.evaluate(RunAfterTestMethodCallbacks.java:86)
at org.springframework.test.context.junit4.statements.SpringRepeat.evaluate(SpringRepeat.java:84)
at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)
at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:251)
at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:97)
at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)
at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)
at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)
at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)
at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)
at org.springframework.test.context.junit4.statements.RunBeforeTestClassCallbacks.evaluate(RunBeforeTestClassCallbacks.java:61)
at org.springframework.test.context.junit4.statements.RunAfterTestClassCallbacks.evaluate(RunAfterTestClassCallbacks.java:70)
at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.run(SpringJUnit4ClassRunner.java:190)
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)
Caused by: java.lang.NullPointerException
at fr.ter.forco.controllers.TrainingController.getTrainings(TrainingController.java:38)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:189)
at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:138)
at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:102)
at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:895)
at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:800)
at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:87)
at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1038)
at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:942)
at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1005)
... 41 more
The exception appears in the mvc.perform!
I really don't know why i'am getting this error.
Thank you.
java spring-boot testing junit
asked Mar 8 at 12:33
MongJiMongJi
305
What’s the complete stack trace of the failure?
– Andy Wilkinson
Mar 8 at 20:38
@AndyWilkinson i changed it with the complete stack trace
– MongJi
Mar 8 at 20:56
1
I would guess thattsin your controller isnull. What are you expecting to have set it for you?
– Andy Wilkinson
Mar 8 at 21:52
add a comment |
0
0
0
1
I am new to unit test in spring Boot. I am trying to run a simple test of the controller.
But i'am getting a NullPointerException.
here is my code :
The controller class:
@RequestMapping("/trainings")
public class TrainingController
@Autowired
TrainingService ts;
@PostMapping()
public JsonResponse<AllTrainings> getTrainings()
JsonResponse<AllTrainings> json = new JsonResponse<AllTrainings>();
json.setStatus(JsonResponse.Status.OK);
json.setData(new AllTrainings(ts.getTrainings()));
return json;
The TrainingTest :
@RunWith(SpringRunner.class)
public abstract class TrainingTest
protected MockMvc mvc;
protected ObjectMapper mapper = new ObjectMapper();
@Before
public void setup()
MockitoAnnotations.initMocks(this);
@Test
public abstract void testGetTrainings() throws Exception;
@Test
public abstract void testGetTrainingById() throws Exception;
protected String toJson(Object object) throws JsonProcessingException
return mapper.writeValueAsString(object);
The TrainingControllerTest :
public class TrainingControllerTest extends TrainingTest{
@InjectMocks protected TrainingController controller;
@MockBean
TrainingRepository trainingRepo;
@Before
public void setup()
super.setup();
mvc = MockMvcBuilders.standaloneSetup(this.controller).build();
@Override
public void testGetTrainings() throws Exception
Training ang = new Training("TR0004");
Mockito
.when(this.trainingRepo.findAll())
.thenReturn(Arrays.asList(ang));
mvc.perform(MockMvcRequestBuilders.get("/trainings")
.contentType(MediaType.APPLICATION_JSON_VALUE))
.andDo(MockMvcResultHandlers.print())
.andExpect(MockMvcResultMatchers.status().isOk());
And here the error i'am getting:
org.springframework.web.util.NestedServletException: Request processing failed; nested exception is java.lang.NullPointerException
at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1013)
at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:908)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:660)
at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:882)
at org.springframework.test.web.servlet.TestDispatcherServlet.service(TestDispatcherServlet.java:71)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:741)
at org.springframework.mock.web.MockFilterChain$ServletFilterProxy.doFilter(MockFilterChain.java:166)
at org.springframework.mock.web.MockFilterChain.doFilter(MockFilterChain.java:133)
at org.springframework.test.web.servlet.MockMvc.perform(MockMvc.java:182)
at fr.ter.forco.training.TrainingControllerTest.testGetTrainings(TrainingControllerTest.java:41)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)
at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
at org.springframework.test.context.junit4.statements.RunBeforeTestExecutionCallbacks.evaluate(RunBeforeTestExecutionCallbacks.java:74)
at org.springframework.test.context.junit4.statements.RunAfterTestExecutionCallbacks.evaluate(RunAfterTestExecutionCallbacks.java:84)
at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)
at org.springframework.test.context.junit4.statements.RunBeforeTestMethodCallbacks.evaluate(RunBeforeTestMethodCallbacks.java:75)
at org.springframework.test.context.junit4.statements.RunAfterTestMethodCallbacks.evaluate(RunAfterTestMethodCallbacks.java:86)
at org.springframework.test.context.junit4.statements.SpringRepeat.evaluate(SpringRepeat.java:84)
at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)
at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:251)
at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:97)
at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)
at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)
at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)
at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)
at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)
at org.springframework.test.context.junit4.statements.RunBeforeTestClassCallbacks.evaluate(RunBeforeTestClassCallbacks.java:61)
at org.springframework.test.context.junit4.statements.RunAfterTestClassCallbacks.evaluate(RunAfterTestClassCallbacks.java:70)
at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.run(SpringJUnit4ClassRunner.java:190)
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)
Caused by: java.lang.NullPointerException
at fr.ter.forco.controllers.TrainingController.getTrainings(TrainingController.java:38)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:189)
at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:138)
at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:102)
at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:895)
at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:800)
at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:87)
at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1038)
at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:942)
at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1005)
... 41 more
The exception appears in the mvc.perform!
I really don't know why i'am getting this error.
Thank you.
java spring-boot testing junit
asked Mar 8 at 12:33
MongJiMongJi
305
I am new to unit test in spring Boot. I am trying to run a simple test of the controller.
But i'am getting a NullPointerException.
here is my code :
The controller class:
@RequestMapping("/trainings")
public class TrainingController
@Autowired
TrainingService ts;
@PostMapping()
public JsonResponse<AllTrainings> getTrainings()
JsonResponse<AllTrainings> json = new JsonResponse<AllTrainings>();
json.setStatus(JsonResponse.Status.OK);
json.setData(new AllTrainings(ts.getTrainings()));
return json;
The TrainingTest :
@RunWith(SpringRunner.class)
public abstract class TrainingTest
protected MockMvc mvc;
protected ObjectMapper mapper = new ObjectMapper();
@Before
public void setup()
MockitoAnnotations.initMocks(this);
@Test
public abstract void testGetTrainings() throws Exception;
@Test
public abstract void testGetTrainingById() throws Exception;
protected String toJson(Object object) throws JsonProcessingException
return mapper.writeValueAsString(object);
The TrainingControllerTest :
public class TrainingControllerTest extends TrainingTest{
@InjectMocks protected TrainingController controller;
@MockBean
TrainingRepository trainingRepo;
@Before
public void setup()
super.setup();
mvc = MockMvcBuilders.standaloneSetup(this.controller).build();
@Override
public void testGetTrainings() throws Exception
Training ang = new Training("TR0004");
Mockito
.when(this.trainingRepo.findAll())
.thenReturn(Arrays.asList(ang));
mvc.perform(MockMvcRequestBuilders.get("/trainings")
.contentType(MediaType.APPLICATION_JSON_VALUE))
.andDo(MockMvcResultHandlers.print())
.andExpect(MockMvcResultMatchers.status().isOk());
And here the error i'am getting:
org.springframework.web.util.NestedServletException: Request processing failed; nested exception is java.lang.NullPointerException
at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1013)
at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:908)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:660)
at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:882)
at org.springframework.test.web.servlet.TestDispatcherServlet.service(TestDispatcherServlet.java:71)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:741)
at org.springframework.mock.web.MockFilterChain$ServletFilterProxy.doFilter(MockFilterChain.java:166)
at org.springframework.mock.web.MockFilterChain.doFilter(MockFilterChain.java:133)
at org.springframework.test.web.servlet.MockMvc.perform(MockMvc.java:182)
at fr.ter.forco.training.TrainingControllerTest.testGetTrainings(TrainingControllerTest.java:41)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)
at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
at org.springframework.test.context.junit4.statements.RunBeforeTestExecutionCallbacks.evaluate(RunBeforeTestExecutionCallbacks.java:74)
at org.springframework.test.context.junit4.statements.RunAfterTestExecutionCallbacks.evaluate(RunAfterTestExecutionCallbacks.java:84)
at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)
at org.springframework.test.context.junit4.statements.RunBeforeTestMethodCallbacks.evaluate(RunBeforeTestMethodCallbacks.java:75)
at org.springframework.test.context.junit4.statements.RunAfterTestMethodCallbacks.evaluate(RunAfterTestMethodCallbacks.java:86)
at org.springframework.test.context.junit4.statements.SpringRepeat.evaluate(SpringRepeat.java:84)
at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)
at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:251)
at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:97)
at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)
at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)
at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)
at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)
at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)
at org.springframework.test.context.junit4.statements.RunBeforeTestClassCallbacks.evaluate(RunBeforeTestClassCallbacks.java:61)
at org.springframework.test.context.junit4.statements.RunAfterTestClassCallbacks.evaluate(RunAfterTestClassCallbacks.java:70)
at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.run(SpringJUnit4ClassRunner.java:190)
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)
Caused by: java.lang.NullPointerException
at fr.ter.forco.controllers.TrainingController.getTrainings(TrainingController.java:38)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:189)
at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:138)
at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:102)
at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:895)
at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:800)
at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:87)
at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1038)
at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:942)
at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1005)
... 41 more
The exception appears in the mvc.perform!
I really don't know why i'am getting this error.
Thank you.
java spring-boot testing junit
java spring-boot testing junit
asked Mar 8 at 12:33
MongJiMongJi
305
asked Mar 8 at 12:33
MongJiMongJi
305
edited Mar 8 at 20:56
MongJi
asked Mar 8 at 12:33
MongJiMongJi
305
asked Mar 8 at 12:33
MongJiMongJi
305
asked Mar 8 at 12:33
MongJiMongJi
305
305
What’s the complete stack trace of the failure?
– Andy Wilkinson
Mar 8 at 20:38
@AndyWilkinson i changed it with the complete stack trace
– MongJi
Mar 8 at 20:56
1
I would guess thattsin your controller isnull. What are you expecting to have set it for you?
– Andy Wilkinson
Mar 8 at 21:52
add a comment |
What’s the complete stack trace of the failure?
– Andy Wilkinson
Mar 8 at 20:38
@AndyWilkinson i changed it with the complete stack trace
– MongJi
Mar 8 at 20:56
1
I would guess thattsin your controller isnull. What are you expecting to have set it for you?
– Andy Wilkinson
Mar 8 at 21:52
What’s the complete stack trace of the failure?
– Andy Wilkinson
Mar 8 at 20:38
What’s the complete stack trace of the failure?
– Andy Wilkinson
Mar 8 at 20:38
@AndyWilkinson i changed it with the complete stack trace
– MongJi
Mar 8 at 20:56
@AndyWilkinson i changed it with the complete stack trace
– MongJi
Mar 8 at 20:56
1
1
I would guess that
ts in your controller is null. What are you expecting to have set it for you?– Andy Wilkinson
Mar 8 at 21:52
I would guess that
ts in your controller is null. What are you expecting to have set it for you?– Andy Wilkinson
Mar 8 at 21:52
add a comment |
1 Answer
1
active
oldest
votes
0
I'm not sure why you're getting this error but maybe if you add the @AutoConfigureMockMvc above your test class it could work? I always add this annotation when making use of MockMvc.
answered Mar 8 at 12:48
Sige VVSige VV
337
No it didn't work..
– MongJi
Mar 8 at 13:49
add a comment |
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1 Answer
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1 Answer
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active
oldest
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active
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votes
0
I'm not sure why you're getting this error but maybe if you add the @AutoConfigureMockMvc above your test class it could work? I always add this annotation when making use of MockMvc.
answered Mar 8 at 12:48
Sige VVSige VV
337
No it didn't work..
– MongJi
Mar 8 at 13:49
add a comment |
0
I'm not sure why you're getting this error but maybe if you add the @AutoConfigureMockMvc above your test class it could work? I always add this annotation when making use of MockMvc.
answered Mar 8 at 12:48
Sige VVSige VV
337
No it didn't work..
– MongJi
Mar 8 at 13:49
add a comment |
0
0
0
I'm not sure why you're getting this error but maybe if you add the @AutoConfigureMockMvc above your test class it could work? I always add this annotation when making use of MockMvc.
answered Mar 8 at 12:48
Sige VVSige VV
337
I'm not sure why you're getting this error but maybe if you add the @AutoConfigureMockMvc above your test class it could work? I always add this annotation when making use of MockMvc.
answered Mar 8 at 12:48
Sige VVSige VV
337
answered Mar 8 at 12:48
Sige VVSige VV
337
answered Mar 8 at 12:48
Sige VVSige VV
337
answered Mar 8 at 12:48
Sige VVSige VV
337
337
No it didn't work..
– MongJi
Mar 8 at 13:49
add a comment |
No it didn't work..
– MongJi
Mar 8 at 13:49
No it didn't work..
– MongJi
Mar 8 at 13:49
No it didn't work..
– MongJi
Mar 8 at 13:49
add a comment |
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What’s the complete stack trace of the failure?
– Andy Wilkinson
Mar 8 at 20:38
@AndyWilkinson i changed it with the complete stack trace
– MongJi
Mar 8 at 20:56
1
I would guess that
tsin your controller isnull. What are you expecting to have set it for you?– Andy Wilkinson
Mar 8 at 21:52