Cześć. Mam pewien problem, otóż chce przetestować metodę wyszukującą książki po kategorii. Napisałem już test, który jest "poprawny", czyli znajduje książkę i wynik jest taki sam z wynikiem oczekującym.
Chciałem napisać test, gdzie nie znajduje tej książki. Jednakże wynik oczekiwany z wynikiem aktualnym się nie zgadza.
Oto cały test:
@RunWith(SpringRunner.class)
@WebMvcTest(BookFindOperationsController.class)
public class BookFindOperationsControllerTest {
@Autowired
MockMvc mockMvc;
@MockBean
BookFindOperationsService bookService;
@Test
public void shouldReturnNoBooksByFindBooksByCategory() throws Exception {
List<Book> books = new ArrayList<>();
Book book = new Book("W pustynzi i w puszczy", "Henryk Sienkiewicz", "dramat", true);
books.add(book);
when(bookService.findBooksByCategory("test")).thenReturn(books);
String expected = "[]";
MvcResult mvcResult = mockMvc.perform(get("/books/category/test")
.contentType(MediaType.APPLICATION_JSON_UTF8))
.andExpect(status().isOk())
.andExpect(content().contentType(MediaType.APPLICATION_JSON_UTF8))
.andReturn();
String content = mvcResult.getResponse().getContentAsString();
assertEquals(expected, content);
verify(bookService,times(1)).findBooksByCategory(anyString());
}
Konsola:
MockHttpServletRequest:
HTTP Method = GET
Request URI = /books/category/test
Parameters = {}
Headers = {Content-Type=[application/json;charset=UTF-8]}
Handler:
Type = bookrental.controller.book.BookFindOperationsController
Method = public java.util.List<bookrental.model.book.Book> bookrental.controller.book.BookFindOperationsController.findBooksByCategory(java.lang.String)
Async:
Async started = false
Async result = null
Resolved Exception:
Type = null
ModelAndView:
View name = null
View = null
Model = null
FlashMap:
Attributes = null
MockHttpServletResponse:
Status = 200
Error message = null
Headers = {Content-Type=[application/json;charset=UTF-8]}
Content type = application/json;charset=UTF-8
Body = [{"id":0,"title":"W pustynzi i w puszczy","author":"Henryk Sienkiewicz","category":"dramat","available":true}]
Forwarded URL = null
Redirected URL = null
Cookies = []
org.junit.ComparisonFailure:
Expected :[]
Actual :[{"id":0,"title":"W pustynzi i w puszczy","author":"Henryk Sienkiewicz","category":"dramat","available":true}]
<Click to see difference>
at org.junit.Assert.assertEquals(Assert.java:115)
at org.junit.Assert.assertEquals(Assert.java:144)
at bookrental.controller.book.BookFindOperationsControllerTest.shouldReturnNoBooksByFindBooksByCategory(BookFindOperationsControllerTest.java:159)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:564)
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.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:252)
at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:94)
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$2.evaluate(ParentRunner.java:268)
at org.springframework.test.context.junit4.statements.RunBeforeTestClassCallbacks.evaluate(RunBeforeTestClassCallbacks.java:61)
at org.springframework.test.context.junit4.statements.RunAfterTestClassCallbacks.evaluate(RunAfterTestClassCallbacks.java:70)
at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.run(SpringJUnit4ClassRunner.java:191)
at org.junit.runner.JUnitCore.run(JUnitCore.java:137)
at com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:68)
at com.intellij.rt.execution.junit.IdeaTestRunner$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)
I tego nie rozumiem, przecież dodaje obiekt książki, w którym kategoria to jest dramat, a chcąć wyszukać książkę po kategorii wpisuje test, mimo to znajduje mi dalej tę książke. Co robie źle?
Metoda, którą chce przetestować.
@GetMapping("/books/category/{categoryID}")
public List<Book> findBooksByCategory(@PathVariable String categoryID) {
return bookService.findBooksByCategory(categoryID);
}