Java 测试单元控制器Rest可分页

我试图对来自控制器的调用执行单元测试，但我得到一个NullPointerException。回调返回一个

ResponseEntity

对象，如下所示：

@GetMapping
public ResponseEntity<Page<CentroDeCusto>> centrosDeCustos(Pageable paginacao) {
    Page<CentroDeCusto> centrosDeCustos = centroDeCustoRepository.departamentosPorDataDeAtualizacao(paginacao);

    if (centrosDeCustos.hasContent())
        return new ResponseEntity<>(centrosDeCustos, HttpStatus.OK);
    else
        return new ResponseEntity<>(centrosDeCustos, HttpStatus.NOT_FOUND);
}

@GetMapping
公共响应中心（paginacao）{
Page centrosDeCustos=centroDeCustoRepository.departmentospordatadeataualizao（帕吉纳奥）；
if（centrosDeCustos.hasContent（））
返回新的响应状态（centrosDeCustos，HttpStatus.OK）；
其他的
返回新的响应属性（centrosDeCustos，HttpStatus.NOT_FOUND）；
}

这是我的控制器测试类：

@RunWith(SpringRunner.class)
@SpringBootTest
@AutoConfigureMockMvc
public class CentroDeCustoRestControllerTeste {

@Autowired
private MockMvc mvc;

@MockBean
private CentroDeCustoRepository repository;

@Test
@WithMockUser(username = "teste-app-@teste.com", authorities = {"ADMIN"})
public void aoBuscarCentrosDeCustoRetornarUmaListaComVariosCentrosDeCusto() throws Exception {
    PageRequest paginacao = PageRequest.of(1, 10);
    List<CentroDeCusto> centrosDeCustos = Arrays.asList(new CentroDeCusto(), new CentroDeCusto());
    Page<CentroDeCusto> centrosDeCustosPage = new PageImpl<>(centrosDeCustos, paginacao, centrosDeCustos.size());

    given(repository.departamentosPorDataDeAtualizacao(paginacao)).willReturn(centrosDeCustosPage);

    mvc.perform(get("/centrosdecustos").contentType(MediaType.APPLICATION_JSON))
            .andExpect(status().isOk());
}

@RunWith（SpringRunner.class）
@春靴测试
@AutoConfigureMockMvc
公共类CentroDecustoreScontrollerTeste{
@自动连线
私有MockMvc；
@蚕豆
私人中央保管库；
@试验
@WithMockUser（username=“teste app-@teste.com”，authorities={“ADMIN”}）
public void aobuscarcentrosdecustorenarumalistacomvarioscentrosdecusto（）引发异常{
PageRequest paginacao=PageRequest.of（1,10）；
List centrosDeCustos=Arrays.asList（new CentroDeCusto（），new CentroDeCusto（））；
Page centrosDeCustosPage=new PageImpl（centrosDeCustos，paginacao，centrosDeCustos.size（））；
给定（repository.departmentosorDataataualizao（paginacao））。将返回（centrosDeCustosPage）；
perform（get（“/centrosdecustos”）.contentType（MediaType.APPLICATION_JSON））
.andExpect（status（）.isOk（））；
}

此控制器调用中出现错误：if（centrosDeCustos.hasContent（））

请遵循错误详细信息：

org.springframework.web.util.NestedServletException: Request processing failed; nested exception is java.lang.NullPointerException

at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:982)
at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:866)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:687)
at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:851)
at org.springframework.test.web.servlet.TestDispatcherServlet.service(TestDispatcherServlet.java:71)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:790)
at org.springframework.mock.web.MockFilterChain$ServletFilterProxy.doFilter(MockFilterChain.java:166)
at org.springframework.mock.web.MockFilterChain.doFilter(MockFilterChain.java:133)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:320)
at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:127)
at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:91)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)
at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:119)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)
at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:137)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)
at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:111)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)
at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:170)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)
at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:63)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)
at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilterInternal(BasicAuthenticationFilter.java:158)
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)
at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:116)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)
at org.springframework.security.web.header.HeaderWriterFilter.doFilterInternal(HeaderWriterFilter.java:66)
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)
at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:105)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)
at org.springframework.security.web.context.request.async.WebAsyncManagerIntegrationFilter.doFilterInternal(WebAsyncManagerIntegrationFilter.java:56)
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)
at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:215)
at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:178)
at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:357)
at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:270)
at org.springframework.mock.web.MockFilterChain.doFilter(MockFilterChain.java:133)
at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:99)
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
at org.springframework.mock.web.MockFilterChain.doFilter(MockFilterChain.java:133)
at org.springframework.web.filter.HttpPutFormContentFilter.doFilterInternal(HttpPutFormContentFilter.java:109)
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
at org.springframework.mock.web.MockFilterChain.doFilter(MockFilterChain.java:133)
at org.springframework.web.filter.HiddenHttpMethodFilter.doFilterInternal(HiddenHttpMethodFilter.java:93)
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
at org.springframework.mock.web.MockFilterChain.doFilter(MockFilterChain.java:133)
at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:200)
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
at org.springframework.mock.web.MockFilterChain.doFilter(MockFilterChain.java:133)
at org.springframework.test.web.servlet.MockMvc.perform(MockMvc.java:165)
at br.com.tete.unidade.centrodecusto.CentroDeCustoRestControllerTeste.aoBuscarCentrosDeCustoRetornarUmaListaComVariosCentrosDeCusto(CentroDeCustoRestControllerTeste.java:72)
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.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:73)
at org.springframework.test.context.junit4.statements.RunAfterTestExecutionCallbacks.evaluate(RunAfterTestExecutionCallbacks.java:83)
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$2.evaluate(ParentRunner.java:268)
at org.springframework.test.context.junit4.statements.RunBeforeTestClassCallbacks.evaluate(RunBeforeTestClassCallbacks.java:61)
at org.springframework.test.context.junit4.statements.RunAfterTestClassCallbacks.evaluate(RunAfterTestClassCallbacks.java:70)
at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.run(SpringJUnit4ClassRunner.java:190)
at org.junit.runner.JUnitCore.run(JUnitCore.java:137)
at com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:68)
at com.intellij.rt.execution.junit.IdeaTestRunner$Repeater.startRunnerWithArgs(IdeaTestRunner.java:47)
at com.intellij.rt.execution.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:242)
at com.intellij.rt.execution.junit.JUnitStarter.main(JUnitStarter.java:70)
Caused by: java.lang.NullPointerException
at br.com.tete.centrocusto.CentroDeCustoController.centrosDeCustos(CentroDeCustoController.java:31)
at br.com.tete.centrocusto.CentroDeCustoController$$FastClassBySpringCGLIB$$d47fb791.invoke(<generated>)
at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:204)
at org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.invokeJoinpoint(CglibAopProxy.java:746)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:163)
at org.springframework.security.access.intercept.aopalliance.MethodSecurityInterceptor.invoke(MethodSecurityInterceptor.java:69)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:185)
at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:688)
at br.com.tete.centrocusto.CentroDeCustoController$$EnhancerBySpringCGLIB$$398ebec1.centrosDeCustos(<generated>)
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.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:209)
at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:136)
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:877)
at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:783)
at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:87)
at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:991)
at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:925)
at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:974)
... 83 more

org.springframework.web.util.NestedServletException:请求处理失败；嵌套异常为java.lang.NullPointerException
位于org.springframework.web.servlet.FrameworkServlet.processRequest（FrameworkServlet.java:982）
位于org.springframework.web.servlet.FrameworkServlet.doGet（FrameworkServlet.java:866）
位于javax.servlet.http.HttpServlet.service（HttpServlet.java:687）
位于org.springframework.web.servlet.FrameworkServlet.service（FrameworkServlet.java:851）
位于org.springframework.test.web.servlet.TestDispatcherServlet.service（TestDispatcherServlet.java:71）
位于javax.servlet.http.HttpServlet.service（HttpServlet.java:790）
位于org.springframework.mock.web.MockFilterChain$ServletFilterProxy.doFilter（MockFilterChain.java:166）
位于org.springframework.mock.web.MockFilterChain.doFilter（MockFilterChain.java:133）
位于org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter（FilterChainProxy.java:320）
位于org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke（FilterSecurityInterceptor.java:127）
位于org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter（FilterSecurityInterceptor.java:91）
位于org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter（FilterChainProxy.java:334）
位于org.springframework.security.web.access.ExceptionTranslationFilter.doFilter（ExceptionTranslationFilter.java:119）
位于org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter（FilterChainProxy.java:334）
位于org.springframework.security.web.session.SessionManagementFilter.doFilter（SessionManagementFilter.java:137）
位于org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter（FilterChainProxy.java:334）
位于org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter（AnonymousAuthenticationFilter.java:111）
位于org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter（FilterChainProxy.java:334）
位于org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter（SecurityContextHolderAwareRequestFilter.java:170）
位于org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter（FilterChainProxy.java:334）
位于org.springframework.security.web.savedrequest.RequestCacheAwarRefilter.doFilter（RequestCacheAwarRefilter.java:63）
位于org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter（FilterChainProxy.java:334）
位于org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilterInternal（BasicAuthenticationFilter.java:158）
位于org.springframework.web.filter.OncePerRequestFilter.doFilter（OncePerRequestFilter.java:107）
位于org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter（FilterChainProxy.java:334）
位于org.springframework.security.web.authentication.logout.LogoutFilter.doFilter（LogoutFilter.java:116）
位于org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter（FilterChainProxy.java:334）
位于org.springframework.security.web.header.HeaderWriterFilter.doFilterInternal（HeaderWriterFilter.java:66）
位于org.springframework.web.filter.OncePerRequestFilter.doFilter（OncePerRequestFilter.java:107）
位于org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter（FilterChainProxy.java:334）
位于org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter（SecurityContextPersistenceFilter.java:105）
位于org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter（FilterChainProxy.java:334）
位于org.springframework.security.web.context.request.async.WebAsyncManagerIntegrationFilter.doFilterInternal（WebAsyncManagerIntegrationFilter.java:56）
位于org.springframework.web.filter.OncePerRequestFilter.doFilter（OncePerRequestFilter.java:107）
位于org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter（FilterChainProxy.java:334）
位于org.springframework.security.web.FilterChainProxy.doFilterInternal（FilterChainProxy.java:215）
位于org.springframework.security.web.FilterChainProxy.doFilter（FilterChainProxy.java:178）
位于org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate（DelegatingFilterProxy.java:357）
位于org.springframework.web.filter.DelegatingFilterProxy.doFilter（DelegatingFilterProxy.java:270）
位于org.springframework.mock.web.MockFilterChain.doFilter（MockFilterChain.java:133）
在org.springfra
mvc.perform(get("/centrosdecustos?page=1&size=10").contentType(MediaType.APPLICATION_JSON))
                .andExpect(status().isOk());

given(repository.departamentosPorDataDeAtualizacao(Mockito.any(PageRequest.class))).willReturn(centrosDeCustosPage);