Unit Menguji API Pemuat Naik Imej dengan JUnitnd Mockito

import org.junit.jupiter.api.Test; public class BookServiceTest { @Test void testAddBook() { } }

@ExtendWith(MockitoExtension.class) public class BookServiceTest { @Mock private BookRepository bookRepository; @Mock private Cloudinary cloudinary; @Mock private MultipartFile multipartFile; @Mock private Uploader uploader; @Captor private ArgumentCaptor bookArgumentCaptor; @InjectMocks private BookService bookService; }

@ExtendWith(MockitoExtension.class) public class BookServiceTest { @Mock private BookRepository bookRepository; @Mock private Cloudinary cloudinary; @Mock private MultipartFile multipartFile; @Mock private Uploader uploader; @Captor private ArgumentCaptor bookArgumentCaptor; @InjectMocks private BookService bookService; @Nested class AddBook { @Test void shouldCreateANewBook() throws Exception { // Arrange Map uploadResult = Map.of("url", "http://example.com/image.jpg"); when(cloudinary.uploader()).thenReturn(uploader); when(uploader.upload(any(File.class), anyMap())).thenReturn(uploadResult); Book book = new Book(); book.setName("Test Book"); book.setImgUrl(uploadResult.get("url").toString()); when(bookRepository.save(any(Book.class))).thenReturn(book); when(multipartFile.getOriginalFilename()).thenReturn("test.jpg"); when(multipartFile.getBytes()).thenReturn("test content".getBytes()); // Act Book result = bookService.addBook("Test Book", multipartFile); // Assert assertNotNull(result); assertEquals("Test Book", result.getName()); assertEquals("http://example.com/image.jpg", result.getImgUrl()); } @Test void shouldCallRepositorySave() throws Exception { // Arrange Map uploadResult = Map.of("url", "http://example.com/image.jpg"); when(cloudinary.uploader()).thenReturn(uploader); when(uploader.upload(any(File.class), anyMap())).thenReturn(uploadResult); Book book = new Book(); book.setName("Test Book"); book.setImgUrl(uploadResult.get("url").toString()); when(bookRepository.save(any(Book.class))).thenReturn(book); when(multipartFile.getOriginalFilename()).thenReturn("test.jpg"); when(multipartFile.getBytes()).thenReturn("test content".getBytes()); // Act bookService.addBook("Test Book", multipartFile); // Assert verify(bookRepository, times(1)).save(bookArgumentCaptor.capture()); Book capturedBook = bookArgumentCaptor.getValue(); assertEquals("Test Book", capturedBook.getName()); assertEquals("http://example.com/image.jpg", capturedBook.getImgUrl()); } @Test void shouldFailTheUpload() throws Exception { // Arrange when(multipartFile.getOriginalFilename()).thenReturn("test.jpg"); when(multipartFile.getBytes()).thenReturn("test content".getBytes()); when(cloudinary.uploader()).thenReturn(uploader); when(uploader.upload(any(File.class), anyMap())).thenThrow(IOException.class); // Act & Assert ResponseStatusException exception = assertThrows(ResponseStatusException.class, () -> { bookService.addBook("Test Book", multipartFile); }); assertEquals(HttpStatus.BAD_GATEWAY, exception.getStatusCode()); assertEquals("Failed to upload the file.", exception.getReason()); } } }

package cloudinary.upload.imageUpload.controllers; import static org.mockito.ArgumentMatchers.any; import static org.mockito.Mockito.when; import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.multipart; import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.jsonPath; import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status; import org.junit.jupiter.api.Nested; import org.junit.jupiter.api.Test; import org.junit.jupiter.api.extension.ExtendWith; import org.mockito.InjectMocks; import org.mockito.Mock; import org.mockito.junit.jupiter.MockitoExtension; import org.springframework.http.HttpStatus; import org.springframework.http.MediaType; import org.springframework.mock.web.MockMultipartFile; import org.springframework.test.web.servlet.MockMvc; import org.springframework.test.web.servlet.setup.MockMvcBuilders; import org.springframework.web.server.ResponseStatusException; import cloudinary.upload.imageUpload.configs.GlobalExceptionHandler; import cloudinary.upload.imageUpload.entities.Book; import cloudinary.upload.imageUpload.services.BookService; @ExtendWith(MockitoExtension.class) public class BookControllerTest { @Mock private BookService bookService; @InjectMocks private BookController bookController; private MockMvc mockMvc; @Nested class AddBook { @Test void shouldReturnSuccess() throws Exception { // Arrange MockMultipartFile image = new MockMultipartFile("imgUrl", "test.jpg", MediaType.IMAGE_JPEG_VALUE, "test content".getBytes()); Book book = new Book(); book.setName("Test Book"); book.setImgUrl("http://example.com/image.jpg"); when(bookService.addBook(any(String.class), any(MockMultipartFile.class))).thenReturn(book); mockMvc = MockMvcBuilders.standaloneSetup(bookController).build(); // Act & Assert mockMvc.perform(multipart("/addBook") .file(image) .param("name", "Test Book")) .andExpect(status().isOk()) .andExpect(jsonPath("$.name").value("Test Book")) .andExpect(jsonPath("$.imgUrl").value("http://example.com/image.jpg")); } @Test void shouldFailToUploadImage() throws Exception { // Arrange MockMultipartFile image = new MockMultipartFile("imgUrl", "test.jpg", MediaType.IMAGE_JPEG_VALUE, "test content".getBytes()); when(bookService.addBook(any(String.class), any(MockMultipartFile.class))) .thenThrow(new ResponseStatusException(HttpStatus.INTERNAL_SERVER_ERROR, "Failed to upload the file.")); mockMvc = MockMvcBuilders.standaloneSetup(bookController).setControllerAdvice(new GlobalExceptionHandler()) .build(); // Act & Assert mockMvc.perform(multipart("/addBook") .file(image) .param("name", "Test Book")) .andExpect(status().isInternalServerError()) .andExpect(result -> result.getResponse().equals("Failed to upload the file.")); } @Test void shouldFailWithMissingNameParameter() throws Exception { // Arrange MockMultipartFile image = new MockMultipartFile("imgUrl", "test.jpg", MediaType.IMAGE_JPEG_VALUE, "test content".getBytes()); mockMvc = MockMvcBuilders.standaloneSetup(bookController).build(); // Act & Assert mockMvc.perform(multipart("/addBook") .file(image)) .andExpect(status().isBadRequest()); } @Test void shouldFailWithMissingImageParameter() throws Exception { // Arrange mockMvc = MockMvcBuilders.standaloneSetup(bookController).build(); // Act & Assert mockMvc.perform(multipart("/addBook") .param("name", "Test Book")) .andExpect(status().isBadRequest()); } } }