java如何处理服务类mock的创建和执行测试?
在尝试测试时,从下面的控制器中删除一个方法会变得很棘手
@RequestMapping(value="/remove", method=RequestMethod.POST)
public String remove(
@ModelAttribute("id") String id, Model model
) {
bookService.removeOne(Long.parseLong(id.substring(8)));
List<Book> bookList = bookService.findAll();
model.addAttribute("bookList", bookList);
return "redirect:/book/bookList";
}
我的测试从下面的测试前方法中的模拟注射开始
@Before
public void setUp() {
bookService = createMock(BookService.class);
ReflectionTestUtils.setField(bookController, "bookService", bookService);
userRepository= createMock(UserRepository.class);
ReflectionTestUtils.setField(bookController, "userRepository", userRepository);
mockMvc = standaloneSetup(bookController)
.setMessageConverters(new MappingJackson2HttpMessageConverter())
.build();
}
最后是测试,试图删除一本书,而不是让它去写。我如何继续
@Test
public void bookRemoveTest() throws Exception {
securityService.autologin("admin", "admin");
Book book = new Book();
book.setId(1L);
expect(bookService.removeOne(anyObject( class));).andReturn(book);
replay(bookService);
MvcResult result = mockMvc
.perform(post("/book/remove")
.accept(MediaType.TEXT_HTML)
.contentType(MediaType.TEXT_HTML))
.andExpect(status().isOk())
.andReturn();
String controllerResult = result.getResponse().getContentAsString();
}
哪里出了问题?我如何让这个测试工作
java.lang.IllegalArgumentException: Either targetObject or targetClass for the field must be specified
at org.springframework.util.Assert.isTrue(Assert.java:68)
at org.springframework.test.util.ReflectionTestUtils.setField(ReflectionTestUtils.java:164)
at org.springframework.test.util.ReflectionTestUtils.setField(ReflectionTestUtils.java:100)
at org.springframework.test.util.ReflectionTestUtils.setField(ReflectionTestUtils.java:84)
at com.admintest.controller.BookControllerTest.setUp1(BookControllerTest.java:62)
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.RunBefores.evaluate(RunBefores.java:24)
# 1 楼答案
我觉得这个不错。从我在
expect(bookService.removeOne(anyObject( class));).andReturn(book);
中预期的打字错误中可以看出你能告诉我们怎么了吗?异常和堆栈跟踪是什么?另外,我们是否同意
bookController
是通过调用new BookController()
创建的# 2 楼答案
我知道不久前有人问过这个问题,但也许它会帮助某些人:
当我忘记将@RunWith(MockitoJUnitRunner.class)放在测试类的顶部时,我犯了这个错误。 若您并没有指定它,那个么就不会创建mock,并且您正试图在未初始化的对象上调用ReflectionTestUtils