측정 지표
- 레퍼지터리 단위 테스트 구현
- 테스트 메서드의 격리성이 보장 되었는가
- 테스트 코드 쿼리 관련 메서드가 너무 많은 Select를 유발하지 않는가
과제 목적
- 핵심은 내가 JPA 테스트를 통해 원하는 데이터를 얻어낼 수 있는가!!
- 그 데이터를 얻기 위해 너무 많은 select가 유발되지 않았는가?
- 테스트를 통해 JPA를 좀 더 잘 이해하는 것이다.
Product
전체 상품 목록 조회
@Test
public void product_findAll_test() throws JsonProcessingException {
// given
int page = 0;
int size = 9;
// when
PageRequest pageRequest = PageRequest.of(page, size);
Page<Product> productPG = productJPARepository.findAll(pageRequest);
String responseBody = om.writeValueAsString(productPG);
// then
Assertions.assertThat(productPG.getTotalPages()).isEqualTo(2);
Assertions.assertThat(productPG.getSize()).isEqualTo(9);
Assertions.assertThat(productPG.getNumber()).isEqualTo(0);
Assertions.assertThat(productPG.getTotalElements()).isEqualTo(15);
Assertions.assertThat(productPG.isFirst()).isEqualTo(true);
Assertions.assertThat(productPG.getContent().get(0).getId()).isEqualTo(1);
Assertions.assertThat(productPG.getContent().get(0).getProductName()).isEqualTo("기본에 슬라이딩 지퍼백 크리스마스/플라워에디션 에디션 외 주방용품 특가전");
Assertions.assertThat(productPG.getContent().get(0).getDescription()).isEqualTo("");
Assertions.assertThat(productPG.getContent().get(0).getImage()).isEqualTo("/images/1.jpg");
Assertions.assertThat(productPG.getContent().get(0).getPrice()).isEqualTo(1000);
}
개별 상품 상세 조회
@Test
public void option_mFindByProductId_lazy_test() throws JsonProcessingException {
// given
int id = 1;
// when
List<Option> optionListPS = optionJPARepository.mFindByProductId(id); // Lazy
String responseBody = om.writeValueAsString(optionListPS);
// then
Assertions.assertThat(optionListPS.size()).isEqualTo(5);
Assertions.assertThat(optionListPS.get(0).getProduct().getProductName()).isEqualTo("기본에 슬라이딩 지퍼백 크리스마스/플라워에디션 에디션 외 주방용품 특가전");
Assertions.assertThat(optionListPS.get(0).getProduct().getDescription()).isEqualTo("");
Assertions.assertThat(optionListPS.get(0).getProduct().getImage()).isEqualTo("/images/1.jpg");
Assertions.assertThat(optionListPS.get(0).getProduct().getPrice()).isEqualTo(1000);
Assertions.assertThat(optionListPS.get(0).getOptionName()).isEqualTo("01. 슬라이딩 지퍼백 크리스마스에디션 4종");
Assertions.assertThat(optionListPS.get(0).getPrice()).isEqualTo(10000);
}
Cart
장바구니 담기
@Test
public void save(){
//given
int quantity = 5;
String username = "ssal";
User user = userJPARepository.findByUsername(username);
List<Integer> optionIds = Arrays.asList(1, 2);
List<Cart> carts = new ArrayList<>();
//when
List<Option> options = optionJPARepository.findAllById(optionIds);
if(options.size() != optionIds.size()) {
throw new RuntimeException("해당 옵션을 찾을 수 없습니다.");
}
for (Option option : options) {
Cart newCart = newCart(user, option, quantity);
carts.add(newCart);
}
List<Cart> savedCarts = cartJPARepository.saveAll(carts);
//then
for (int i = 0; i < savedCarts.size(); i++) {
Cart savedCart = savedCarts.get(i);
Assertions.assertThat(savedCart.getUser().getUsername()).isEqualTo(username);
Assertions.assertThat(savedCart.getOption().getId()).isEqualTo(optionIds.get(i));
Assertions.assertThat(savedCart.getQuantity()).isEqualTo(quantity);
};
}
장바구니 조회
@Test
public void findAllByUserId() throws JsonProcessingException {
//given
int id = 1;
//when
List<Cart> cartList = cartJPARepository.findByUserId(id);
List<CartDTO> cartDtoList = cartList.stream()
.map(CartDTO::new)
.collect(Collectors.toList());
String responseBody = om.writeValueAsString(cartDtoList);
System.out.println("cartDtoList : "+ responseBody);
//then
Assertions.assertThat(cartDtoList).hasSize(3);
Assertions.assertThat(cartDtoList.get(0).getUser().getName()).isEqualTo("ssal");
Assertions.assertThat(cartDtoList.get(0).getOption().getId()).isEqualTo(5);
Assertions.assertThat(cartDtoList.get(0).getOption().getPrice()).isEqualTo(8900);
Assertions.assertThat(cartDtoList.get(0).getOption().getOptionName()).isEqualTo("2겹 식빵수세미 6매");
Assertions.assertThat(cartDtoList.get(1).getOption().getId()).isEqualTo(10);
Assertions.assertThat(cartDtoList.get(1).getOption().getPrice()).isEqualTo(49900);
Assertions.assertThat(cartDtoList.get(1).getOption().getOptionName()).isEqualTo("JR310BT (무선 전용) - 레드");
Assertions.assertThat(cartDtoList.get(2).getOption().getId()).isEqualTo(11);
Assertions.assertThat(cartDtoList.get(2).getOption().getPrice()).isEqualTo(49900);
Assertions.assertThat(cartDtoList.get(2).getOption().getOptionName()).isEqualTo("JR310BT (무선 전용) - 그린");
}
carttDto
public class CartDTO {
private int id;
private UserDTO user ;
private OptionDTO option;
private int quantity;
private int price;
public UserDTO getUser(){
return this.user;
}
public OptionDTO getOption(){
return this.option;
}
public CartDTO(Cart cart){
this.id = cart.getId();
this.user = new UserDTO(cart.getUser());
this.option = new OptionDTO(cart.getOption());
this.quantity = cart.getQuantity();
this.price = cart.getPrice();
}
public static class UserDTO{
private int id;
private String name;
private String email;
public UserDTO(User user){
this.id = user.getId();
this.name = user.getUsername();
this.email = user.getEmail();
}
public String getName(){
return this.name;
}
}
public static class OptionDTO{
private int id;
private int price;
private String optionName;
public OptionDTO(Option option){
this.id = option.getId();
this.optionName = option.getOptionName();
this.price = option.getPrice();
}
public String getOptionName(){
return this.optionName;
}
public int getPrice(){
return this.price;
}
public int getId(){
return this.id;
}
}
}
장바구니 수정
@Test
public void update() {
//given
int cartId = 1;
int quantity = 10;
Cart cart = cartJPARepository.findById(cartId).orElseThrow(
() -> new RuntimeException("해당 카트를 찾을 수 없습니다.")
);
//when
cart.update(quantity, cart.getOption().getPrice() * quantity);
em.flush();
//then
Assertions.assertThat(cart.getQuantity()).isEqualTo(quantity);
Assertions.assertThat(cart.getPrice()).isEqualTo(cart.getOption().getPrice() * quantity);
}
Order
주문하기
@Test
public void save(){
//given
int id = 1;
List<Cart> cartList = cartJPARepository.findByUserId(id);
Order order = orderJPARepository.findByUserId(id);
//when
// cart에 들어 있는 데이터를 지울 수 잇어야 함
Item item1 = itemJPARepository.save(newItem( cartList.get(0),order));
Item item2 = itemJPARepository.save(newItem( cartList.get(1),order));
cartJPARepository.deleteAll(cartList);
//then
Assertions.assertThat(cartJPARepository.findByUserId(id)).isEmpty();
Assertions.assertThat(item1.getOrder().getUser().getUsername()).isEqualTo("ssal");
Assertions.assertThat(item1.getOption().getOptionName()).isEqualTo("01. 슬라이딩 지퍼백 크리스마스에디션 4종");
Assertions.assertThat(item2.getOrder().getUser().getUsername()).isEqualTo("ssal");
Assertions.assertThat(item2.getOption().getOptionName()).isEqualTo("02. 슬라이딩 지퍼백 플라워에디션 5종");
}
주문 조회하기
@Test
public void findById(){
//given
int id = 1;
List<Cart> cartList = cartJPARepository.findByUserId(id);
Order order = orderJPARepository.findByUserId(id);
Item item1 = itemJPARepository.save(newItem( cartList.get(0),order));
Item item2 = itemJPARepository.save(newItem( cartList.get(1),order));
//when
List<Item> itemList = itemJPARepository.findByOrderId(order.getId());
//then
Assertions.assertThat(itemList.get(0).getOrder().getUser().getUsername()).isEqualTo("ssal");
Assertions.assertThat(itemList.get(0).getOption().getOptionName()).isEqualTo("01. 슬라이딩 지퍼백 크리스마스에디션 4종");
Assertions.assertThat(itemList.get(1).getOrder().getUser().getUsername()).isEqualTo("ssal");
Assertions.assertThat(itemList.get(1).getOption().getOptionName()).isEqualTo("02. 슬라이딩 지퍼백 플라워에디션 5종");
}
부족한 점이나 잘못 된 점을 알려주시면 시정하겠습니다 :>
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