atesibrahim

@RestController
@RequestMapping("/products")
@RequiredArgsConstructor
public class ProductController {

    private final ProductService productService;

    @PostMapping
    public ProductDispenseResponse dispense(@Valid @RequestBody ProductRequest productRequest) {
        return productService.dispense(productRequest);

atesibrahim

@ExtendWith(SpringExtension.class)
class ProductControllerTest {

    @InjectMocks
    private ProductController productController;

    @Mock
    private ProductService productService;

    private MockMvc mockMvc;

atesibrahim

@ExtendWith(SpringExtension.class)
class ProductServiceImplTest {

    @InjectMocks
    private ProductServiceImpl productService;

    @Mock
    private ProductRepository productRepository;

    @Mock

atesibrahim

@Service
public class ProductServiceImpl implements ProductService {

    @Autowired
    ProductRepository productRepository;

    @Autowired
    CoinAmount coinAmount;

    @Override

atesibrahim

<dependency>
   <groupId>org.springframework.boot</groupId>
   <artifactId>spring-boot-starter-test</artifactId>
   <scope>test</scope>
</dependency>

atesibrahim

@Repository
public interface ProductRepository extends JpaRepository<Product, Integer> {

    @Transactional
    @Modifying
    @Query(value = "update product " +
            "set name = :name " +
            "where id = :productId", nativeQuery = true)
    void updateName(@Param("productId") Integer productId, @Param("name") String name);
}

atesibrahim

@ExtendWith(SpringExtension.class)
public class ProductRepositoryTest {

    @Autowired
    private ProductRepository productRepository;

    @Autowired
    private TestEntityManager testEntityManager;

    @Test

atesibrahim

   @Test
   public void it_should_save_number_when_flag_is_true() {
        //Given
        ArgumentCaptor<Product> productArgumentCaptor = ArgumentCaptor.forClass(Product.class);
        Product product = Product.builder().isFlag(true).build();

        //When
        productService.save(product);

        //Then

atesibrahim

<dependency>
  <groupId>com.h2database</groupId>
  <artifactId>h2</artifactId>
  <scope>test</scope>
</dependency>

atesibrahim

@Test
public void it_should_test_when_product_id_is_valid() throws Exception {
  //given
  ProductRequest productRequest = ProductRequest.builder().id(1).build();
  ArgumentCaptor<ProductRequest> argumentCaptor = ArgumentCaptor.forClass(ProductRequest.class);
  //when
  ResultActions result = mockMvc.perform(post("/products")
                  .content(objectMapper.writeValueAsString(productRequest))
                  .contentType(MediaType.APPLICATION_JSON));
  //then