Fini

.idea/misc.xml

@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ExternalStorageConfigurationManager" enabled="true" />
+  <component name="MavenProjectsManager">
+    <option name="originalFiles">
+      <list>
+        <option value="$PROJECT_DIR$/pom.xml" />
+      </list>
+    </option>
+  </component>
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_21_PREVIEW" project-jdk-name="ms-21" project-jdk-type="JavaSDK" />
+</project>

src/main/java/fr/iut_fbleau/but3/dev62/mylibrary/book/Book.java

@@ -22,8 +22,6 @@ public class Book {
         this.language = language;
     }
 
-    // Getters (setters optionnels si besoin)
-
     public String getIsbn() {
         return isbn;
     }

src/main/java/fr/iut_fbleau/but3/dev62/mylibrary/order/OrderDTO.java

@@ -0,0 +1,36 @@
+package fr.iut_fbleau.but3.dev62.mylibrary.order;
+
+import java.util.List;
+import java.util.UUID;
+
+public class OrderDTO {
+    private UUID id;
+    private UUID customerId;
+    private List<OrderInfo.OrderLineDto> orderLines;
+    private double totalPrice;
+    private double totalPriceToPay;
+    private OrderInfo.Address address;
+    private String paymentMethod;
+
+    // Getters et setters
+    public UUID getId() { return id; }
+    public void setId(UUID id) { this.id = id; }
+
+    public UUID getCustomerId() { return customerId; }
+    public void setCustomerId(UUID customerId) { this.customerId = customerId; }
+
+    public List<OrderInfo.OrderLineDto> getOrderLines() { return orderLines; }
+    public void setOrderLines(List<OrderInfo.OrderLineDto> orderLines) { this.orderLines = orderLines; }
+
+    public double getTotalPrice() { return totalPrice; }
+    public void setTotalPrice(double totalPrice) { this.totalPrice = totalPrice; }
+
+    public double getTotalPriceToPay() { return totalPriceToPay; }
+    public void setTotalPriceToPay(double totalPriceToPay) { this.totalPriceToPay = totalPriceToPay; }
+
+    public OrderInfo.Address getAddress() { return address; }
+    public void setAddress(OrderInfo.Address address) { this.address = address; }
+
+    public String getPaymentMethod() { return paymentMethod; }
+    public void setPaymentMethod(String paymentMethod) { this.paymentMethod = paymentMethod; }
+}

src/main/java/fr/iut_fbleau/but3/dev62/mylibrary/order/OrderInfo.java

@@ -0,0 +1,72 @@
+package fr.iut_fbleau.but3.dev62.mylibrary.order;
+
+import java.util.List;
+import java.util.UUID;
+
+public class OrderInfo {
+    private UUID customerId;
+    private List<OrderLineDto> orderLineDtos;
+    private Address address;
+    private String paymentMethod; // "CREDIT_CARD" ou "LOYALTY_POINTS"
+
+    // POJO interne pour OrderLineDto
+    public static class OrderLineDto {
+        private long bookId;
+        private int quantity;
+
+        public OrderLineDto() {}
+
+        public OrderLineDto(long bookId, int quantity) {
+            this.bookId = bookId;
+            this.quantity = quantity;
+        }
+
+        public long getBookId() { return bookId; }
+        public void setBookId(long bookId) { this.bookId = bookId; }
+
+        public int getQuantity() { return quantity; }
+        public void setQuantity(int quantity) { this.quantity = quantity; }
+    }
+
+    // POJO interne pour Address
+    public static class Address {
+        private String street;
+        private String city;
+        private String postalCode;
+        private String country;
+
+        public Address() {}
+
+        public Address(String street, String city, String postalCode, String country) {
+            this.street = street;
+            this.city = city;
+            this.postalCode = postalCode;
+            this.country = country;
+        }
+
+        public String getStreet() { return street; }
+        public void setStreet(String street) { this.street = street; }
+
+        public String getCity() { return city; }
+        public void setCity(String city) { this.city = city; }
+
+        public String getPostalCode() { return postalCode; }
+        public void setPostalCode(String postalCode) { this.postalCode = postalCode; }
+
+        public String getCountry() { return country; }
+        public void setCountry(String country) { this.country = country; }
+    }
+
+    // Getters et setters
+    public UUID getCustomerId() { return customerId; }
+    public void setCustomerId(UUID customerId) { this.customerId = customerId; }
+
+    public List<OrderLineDto> getOrderLineDtos() { return orderLineDtos; }
+    public void setOrderLineDtos(List<OrderLineDto> orderLineDtos) { this.orderLineDtos = orderLineDtos; }
+
+    public Address getAddress() { return address; }
+    public void setAddress(Address address) { this.address = address; }
+
+    public String getPaymentMethod() { return paymentMethod; }
+    public void setPaymentMethod(String paymentMethod) { this.paymentMethod = paymentMethod; }
+}

src/main/java/fr/iut_fbleau/but3/dev62/mylibrary/order/converter/OrderConverterTest.java

@@ -0,0 +1,4 @@
+package fr.iut_fbleau.but3.dev62.mylibrary.order.converter;
+
+public class OrderConverterTest {
+}

src/main/java/fr/iut_fbleau/but3/dev62/mylibrary/order/entity/Order.java

@@ -0,0 +1,34 @@
+package fr.iut_fbleau.but3.dev62.mylibrary.order.entity;
+
+import java.util.List;
+import java.util.UUID;
+import fr.iut_fbleau.but3.dev62.mylibrary.order.OrderInfo;
+
+public class Order {
+    private UUID id;
+    private UUID customerId;
+    private List<OrderInfo.OrderLineDto> orderLines;
+    private double totalPrice;
+    private double totalPriceToPay;
+    private OrderInfo.Address address;
+    private String paymentMethod;
+
+    public Order(UUID id, UUID customerId, List<OrderInfo.OrderLineDto> orderLines, double totalPrice, double totalPriceToPay, OrderInfo.Address address, String paymentMethod) {
+        this.id = id;
+        this.customerId = customerId;
+        this.orderLines = orderLines;
+        this.totalPrice = totalPrice;
+        this.totalPriceToPay = totalPriceToPay;
+        this.address = address;
+        this.paymentMethod = paymentMethod;
+    }
+
+    // Getters
+    public UUID getId() { return id; }
+    public UUID getCustomerId() { return customerId; }
+    public List<OrderInfo.OrderLineDto> getOrderLines() { return orderLines; }
+    public double getTotalPrice() { return totalPrice; }
+    public double getTotalPriceToPay() { return totalPriceToPay; }
+    public OrderInfo.Address getAddress() { return address; }
+    public String getPaymentMethod() { return paymentMethod; }
+}

src/main/java/fr/iut_fbleau/but3/dev62/mylibrary/order/exception/BookQuantityInsufficientException.java

@@ -0,0 +1,12 @@
+package fr.iut_fbleau.but3.dev62.mylibrary.order.exception;
+
+import java.text.MessageFormat;
+
+public class BookQuantityInsufficientException extends Exception {
+
+    public static final String BOOK_QUANTITY_INSUFFICIENT = "Cannot order {0} books, only {1} in stock";
+
+    public BookQuantityInsufficientException(int requested, int available) {
+        super(MessageFormat.format(BOOK_QUANTITY_INSUFFICIENT, requested, available));
+    }
+}

src/main/java/fr/iut_fbleau/but3/dev62/mylibrary/order/exception/InvalidOrderException.java

@@ -0,0 +1,16 @@
+package fr.iut_fbleau.but3.dev62.mylibrary.order.exception;
+
+import java.text.MessageFormat;
+
+public class InvalidOrderException extends Exception {
+
+    public static final String INVALID_ORDER_DETAILS_OR_ADDRESS = "Invalid order details or address";
+
+    public InvalidOrderException() {
+        super(INVALID_ORDER_DETAILS_OR_ADDRESS);
+    }
+
+    public InvalidOrderException(String details) {
+        super(details);
+    }
+}

src/main/java/fr/iut_fbleau/but3/dev62/mylibrary/order/exception/OrderNotFoundException.java

@@ -0,0 +1,13 @@
+package fr.iut_fbleau.but3.dev62.mylibrary.order.exception;
+
+import java.text.MessageFormat;
+import java.util.UUID;
+
+public class OrderNotFoundException extends Exception {
+
+    public static final String THE_ORDER_WITH_ID_DOES_NOT_EXIST_MESSAGE = "The order with id {0} does not exist";
+
+    public OrderNotFoundException(UUID uuid) {
+        super(MessageFormat.format(THE_ORDER_WITH_ID_DOES_NOT_EXIST_MESSAGE, uuid));
+    }
+}

src/main/java/fr/iut_fbleau/but3/dev62/mylibrary/order/repository/OrderRepository.java

@@ -0,0 +1,30 @@
+package fr.iut_fbleau.but3.dev62.mylibrary.order.repository;
+
+import fr.iut_fbleau.but3.dev62.mylibrary.order.OrderInfo;
+import fr.iut_fbleau.but3.dev62.mylibrary.order.entity.Order;
+
+import java.util.*;
+
+public class OrderRepository {
+
+    private final Map<UUID, Order> orders = new HashMap<>();
+
+    public Order save(OrderInfo info) {
+        UUID id = UUID.randomUUID();
+        Order order = new Order(
+            id,
+            info.getCustomerId(),
+            info.getOrderLineDtos(),
+            0.0, // totalPrice à calculer selon la logique métier
+            0.0, // totalPriceToPay à calculer
+            info.getAddress(),
+            info.getPaymentMethod()
+        );
+        orders.put(id, order);
+        return order;
+    }
+
+    public Optional<Order> findById(UUID id) {
+        return Optional.ofNullable(orders.get(id));
+    }
+}

src/main/java/fr/iut_fbleau/but3/dev62/mylibrary/order/usecase/OrderUseCase.java

@@ -0,0 +1,45 @@
+package fr.iut_fbleau.but3.dev62.mylibrary.order.usecase;
+
+import fr.iut_fbleau.but3.dev62.mylibrary.order.OrderInfo;
+import fr.iut_fbleau.but3.dev62.mylibrary.order.OrderDTO;
+import fr.iut_fbleau.but3.dev62.mylibrary.order.entity.Order;
+import fr.iut_fbleau.but3.dev62.mylibrary.order.repository.OrderRepository;
+import fr.iut_fbleau.but3.dev62.mylibrary.order.validator.OrderValidator;
+
+import java.util.Optional;
+import java.util.UUID;
+
+public class OrderUseCase {
+
+    private final OrderRepository repository;
+
+    public OrderUseCase(OrderRepository repository) {
+        this.repository = repository;
+    }
+
+    public OrderDTO createOrder(OrderInfo info) throws Exception {
+        if (!OrderValidator.isValidOrderInfo(info)) {
+            throw new IllegalArgumentException("Invalid order details or address");
+        }
+        // Ici, on suppose que le repository gère la logique métier (stock, client, etc.)
+        Order order = repository.save(info);
+        return toDto(order);
+    }
+
+    public Optional<OrderDTO> getOrderById(UUID id) {
+        Optional<Order> order = repository.findById(id);
+        return order.map(this::toDto);
+    }
+
+    private OrderDTO toDto(Order order) {
+        OrderDTO dto = new OrderDTO();
+        dto.setId(order.getId());
+        dto.setCustomerId(order.getCustomerId());
+        dto.setOrderLines(order.getOrderLines());
+        dto.setTotalPrice(order.getTotalPrice());
+        dto.setTotalPriceToPay(order.getTotalPriceToPay());
+        dto.setAddress(order.getAddress());
+        dto.setPaymentMethod(order.getPaymentMethod());
+        return dto;
+    }
+}

src/main/java/fr/iut_fbleau/but3/dev62/mylibrary/order/validator/OrderValidator.java

@@ -0,0 +1,47 @@
+package fr.iut_fbleau.but3.dev62.mylibrary.order.validator;
+
+import fr.iut_fbleau.but3.dev62.mylibrary.order.OrderInfo;
+
+import java.util.List;
+import java.util.UUID;
+
+public class OrderValidator {
+
+    public static boolean isValidUUID(String uuid) {
+        try {
+            UUID.fromString(uuid);
+            return true;
+        } catch (Exception e) {
+            return false;
+        }
+    }
+
+    public static boolean isValidOrderInfo(OrderInfo info) {
+        if (info == null) return false;
+        if (info.getCustomerId() == null) return false;
+        if (info.getOrderLineDtos() == null || info.getOrderLineDtos().isEmpty()) return false;
+        if (info.getPaymentMethod() == null || info.getPaymentMethod().isBlank()) return false;
+
+        // Vérifie chaque ligne de commande
+        for (OrderInfo.OrderLineDto line : info.getOrderLineDtos()) {
+            if (line == null) return false;
+            if (line.getBookId() <= 0) return false;
+            if (line.getQuantity() <= 0) return false;
+        }
+
+        // Vérifie l'adresse
+        if (info.getAddress() == null) return false;
+        OrderInfo.Address addr = info.getAddress();
+        if (addr.getStreet() == null || addr.getStreet().isBlank()) return false;
+        if (addr.getCity() == null || addr.getCity().isBlank()) return false;
+        if (addr.getPostalCode() == null || addr.getPostalCode().isBlank()) return false;
+        if (addr.getCountry() == null || addr.getCountry().isBlank()) return false;
+
+        // Vérifie le mode de paiement
+        if (!info.getPaymentMethod().equals("CREDIT_CARD") && !info.getPaymentMethod().equals("LOYALTY_POINTS")) {
+            return false;
+        }
+
+        return true;
+    }
+}

src/main/java/fr/iut_fbleau/but3/dev62/mylibrary/review/ReviewDto.java

@@ -0,0 +1,15 @@
+package fr.iut_fbleau.but3.dev62.mylibrary.review;
+
+import lombok.Builder;
+import lombok.Getter;
+import java.util.UUID;
+
+@Builder
+@Getter
+public class ReviewDto {
+    private UUID reviewId;
+    private long bookId;
+    private String customerName;
+    private String comment;
+    private int rating;
+}

src/main/java/fr/iut_fbleau/but3/dev62/mylibrary/review/ReviewInfo.java

@@ -0,0 +1,13 @@
+package fr.iut_fbleau.but3.dev62.mylibrary.review;
+
+import lombok.Builder;
+import lombok.Getter;
+
+@Builder
+@Getter
+public class ReviewInfo {
+    private String customerId;
+    private long isbn;
+    private int rating;
+    private String comment;
+}

src/main/java/fr/iut_fbleau/but3/dev62/mylibrary/review/converter/ReviewConverter.java

@@ -0,0 +1,31 @@
+package fr.iut_fbleau.but3.dev62.mylibrary.review.converter;
+
+import fr.iut_fbleau.but3.dev62.mylibrary.review.entity.Review;
+import fr.iut_fbleau.but3.dev62.mylibrary.review.ReviewDto;
+import lombok.experimental.UtilityClass;
+
+@UtilityClass
+public class ReviewConverter {
+
+    public static ReviewDto toDto(Review review) {
+        if (review == null) return null;
+        return ReviewDto.builder()
+                .reviewId(review.getReviewId())
+                .bookId(review.getBookId())
+                .customerName(review.getCustomerName())
+                .comment(review.getComment())
+                .rating(review.getRating())
+                .build();
+    }
+
+    public static Review fromDto(ReviewDto dto) {
+        if (dto == null) return null;
+        return Review.builder()
+                .reviewId(dto.getReviewId())
+                .bookId(dto.getBookId())
+                .customerName(dto.getCustomerName())
+                .comment(dto.getComment())
+                .rating(dto.getRating())
+                .build();
+    }
+}

src/main/java/fr/iut_fbleau/but3/dev62/mylibrary/review/entity/Review.java

@@ -0,0 +1,29 @@
+package fr.iut_fbleau.but3.dev62.mylibrary.review.entity;
+
+import lombok.Builder;
+import lombok.Getter;
+import java.util.Objects;
+import java.util.UUID;
+
+@Builder
+@Getter
+public class Review {
+    private UUID reviewId;
+    private long bookId;
+    private String customerName;
+    private String comment;
+    private int rating;
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) return true;
+        if (!(o instanceof Review)) return false;
+        Review review = (Review) o;
+        return Objects.equals(reviewId, review.reviewId);
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(reviewId);
+    }
+}

src/main/java/fr/iut_fbleau/but3/dev62/mylibrary/review/exception/DuplicateReviewException.java

@@ -0,0 +1,10 @@
+package fr.iut_fbleau.but3.dev62.mylibrary.review.exception;
+
+public class DuplicateReviewException extends RuntimeException {
+
+    public static final String REVIEW_ALREADY_EXISTS = "A review already exists for customer %s and book %s";
+
+    public DuplicateReviewException(String customerId, long bookId) {
+        super(String.format(REVIEW_ALREADY_EXISTS, customerId, String.valueOf(bookId)));
+    }
+}

src/main/java/fr/iut_fbleau/but3/dev62/mylibrary/review/exception/InvalidReviewException.java

@@ -0,0 +1,8 @@
+package fr.iut_fbleau.but3.dev62.mylibrary.review.exception;
+
+public class InvalidReviewException extends RuntimeException {
+
+    public InvalidReviewException(String message) {
+        super(message);
+    }
+}

src/main/java/fr/iut_fbleau/but3/dev62/mylibrary/review/exception/ReviewNotAllowedException.java

@@ -0,0 +1,10 @@
+package fr.iut_fbleau.but3.dev62.mylibrary.review.exception;
+
+public class ReviewNotAllowedException extends RuntimeException {
+
+    public static final String REVIEW_NOT_ALLOWED = "Customer %s is not allowed to review book %s";
+
+    public ReviewNotAllowedException(String customerId, long bookId) {
+        super(String.format(REVIEW_NOT_ALLOWED, customerId, String.valueOf(bookId)));
+    }
+}

src/main/java/fr/iut_fbleau/but3/dev62/mylibrary/review/exception/ReviewNotFoundException.java

@@ -0,0 +1,12 @@
+package fr.iut_fbleau.but3.dev62.mylibrary.review.exception;
+
+import java.text.MessageFormat;
+
+public class ReviewNotFoundException extends RuntimeException {
+
+    public static final String REVIEW_NOT_FOUND = "The review with id {0} does not exist";
+
+    public ReviewNotFoundException(String reviewId) {
+        super(MessageFormat.format(REVIEW_NOT_FOUND, reviewId));
+    }
+}

src/main/java/fr/iut_fbleau/but3/dev62/mylibrary/review/repository/ReviewRepository.java

@@ -0,0 +1,55 @@
+package fr.iut_fbleau.but3.dev62.mylibrary.review.repository;
+
+import java.util.*;
+
+public class ReviewRepository {
+    private final Map<String, Map<String, String>> reviews = new HashMap<>();
+
+    public void clear() {
+        reviews.clear();
+    }
+
+    public void save(Map<String, String> review) {
+        reviews.put(review.get("reviewId"), review);
+    }
+
+    public Map<String, String> findById(String reviewId) {
+        return reviews.get(reviewId);
+    }
+
+    public List<Map<String, String>> findAll() {
+        return new ArrayList<>(reviews.values());
+    }
+
+    public void deleteById(String reviewId) {
+        reviews.remove(reviewId);
+    }
+
+    public int count() {
+        return reviews.size();
+    }
+
+    public boolean existsById(String reviewId) {
+        return reviews.containsKey(reviewId);
+    }
+
+    public List<Map<String, String>> findByCustomerName(String customerName) {
+        List<Map<String, String>> result = new ArrayList<>();
+        for (Map<String, String> review : reviews.values()) {
+            if (review.get("customerName").equals(customerName)) {
+                result.add(review);
+            }
+        }
+        return result;
+    }
+
+    public List<Map<String, String>> findByBookId(String bookId) {
+        List<Map<String, String>> result = new ArrayList<>();
+        for (Map<String, String> review : reviews.values()) {
+            if (review.get("bookId").equals(bookId)) {
+                result.add(review);
+            }
+        }
+        return result;
+    }
+}

src/main/java/fr/iut_fbleau/but3/dev62/mylibrary/review/usecase/ReviewUseCase.java

@@ -0,0 +1,53 @@
+package fr.iut_fbleau.but3.dev62.mylibrary.review.usecase;
+
+import fr.iut_fbleau.but3.dev62.mylibrary.review.repository.ReviewRepository;
+import fr.iut_fbleau.but3.dev62.mylibrary.review.validator.ReviewValidator;
+
+import java.util.*;
+
+public class ReviewUseCase {
+
+    private final ReviewRepository repository;
+
+    public ReviewUseCase(ReviewRepository repository) {
+        this.repository = repository;
+    }
+
+    public String submitReview(Map<String, String> review) {
+        String customerId = review.get("customerId");
+        String isbn = review.get("isbn");
+        String rating = review.get("rating");
+
+        if (!ReviewValidator.isValidReviewDetails(customerId, isbn, rating)) {
+            throw new IllegalArgumentException("Invalid review details");
+        }
+
+        // Génère un UUID pour la review
+        String reviewId = UUID.randomUUID().toString();
+        review.put("reviewId", reviewId);
+        repository.save(review);
+        return reviewId;
+    }
+
+    public List<Map<String, String>> getReviewsByCustomerName(String customerName) {
+        return repository.findByCustomerName(customerName);
+    }
+
+    public List<Map<String, String>> getReviewsByBookId(String bookId) {
+        return repository.findByBookId(bookId);
+    }
+
+    public void deleteReview(String reviewId) {
+        if (!ReviewValidator.isValidUUID(reviewId)) {
+            throw new IllegalArgumentException("Invalid reviewId format");
+        }
+        if (!repository.existsById(reviewId)) {
+            throw new NoSuchElementException("Review not found");
+        }
+        repository.deleteById(reviewId);
+    }
+
+    public int countReviews() {
+        return repository.count();
+    }
+}

src/main/java/fr/iut_fbleau/but3/dev62/mylibrary/review/validator/ReviewValidator.java

@@ -0,0 +1,22 @@
+package fr.iut_fbleau.but3.dev62.mylibrary.review.validator;
+
+import java.util.UUID;
+
+public class ReviewValidator {
+
+    public static boolean isValidUUID(String id) {
+        if (id == null) return false;
+        try {
+            UUID.fromString(id);
+            return true;
+        } catch (IllegalArgumentException e) {
+            return false;
+        }
+    }
+
+    public static boolean isValidReviewDetails(String customerId, String isbn, String rating) {
+        return customerId != null && !customerId.isBlank()
+            && isbn != null && !isbn.isBlank()
+            && rating != null && !rating.isBlank();
+    }
+}

src/main/java/fr/iut_fbleau/but3/dev62/mylibrary/subscription/Subscription.java

@@ -0,0 +1,56 @@
+package fr.iut_fbleau.but3.dev62.mylibrary.subscription;
+
+import java.time.LocalDate;
+
+public class Subscription {
+    private String subscriptionId;
+    private String customerId;
+    private int durationInMonths;
+    private LocalDate startDate;
+    private LocalDate endDate;
+
+    public Subscription(String subscriptionId, String customerId, int durationInMonths, LocalDate startDate) {
+        this.subscriptionId = subscriptionId;
+        this.customerId = customerId;
+        this.durationInMonths = durationInMonths;
+        this.startDate = startDate;
+        this.endDate = startDate.plusMonths(durationInMonths).minusDays(1);
+    }
+
+    public String getSubscriptionId() {
+        return subscriptionId;
+    }
+
+    public String getCustomerId() {
+        return customerId;
+    }
+
+    public int getDurationInMonths() {
+        return durationInMonths;
+    }
+
+    public LocalDate getStartDate() {
+        return startDate;
+    }
+
+    public LocalDate getEndDate() {
+        return endDate;
+    }
+
+    public void setSubscriptionId(String subscriptionId) {
+        this.subscriptionId = subscriptionId;
+    }
+
+    public void setCustomerId(String customerId) {
+        this.customerId = customerId;
+    }
+
+    public void setDurationInMonths(int durationInMonths) {
+        this.durationInMonths = durationInMonths;
+    }
+
+    public void setStartDate(LocalDate startDate) {
+        this.startDate = startDate;
+        this.endDate = startDate.plusMonths(durationInMonths).minusDays(1);
+    }
+}

src/main/java/fr/iut_fbleau/but3/dev62/mylibrary/subscription/SubscriptionManagement.java

@@ -0,0 +1,48 @@
+package fr.iut_fbleau.but3.dev62.mylibrary.subscription;
+
+import java.time.LocalDate;
+import java.util.*;
+
+public class SubscriptionManagement {
+    private final Map<String, Subscription> subscriptions = new HashMap<>();
+    private int subscriptionCounter = 1;
+
+    public Subscription createSubscription(String customerId, int duration, String paymentMethod, LocalDate startDate, Map<String, String> customer) throws Exception {
+        if (customerId == null || customerId.isBlank() ||
+                paymentMethod == null || paymentMethod.isBlank() ||
+                startDate == null) {
+            throw new IllegalArgumentException("Invalid subscription details or payment method");
+        }
+
+        if (customer == null) {
+            throw new IllegalArgumentException("Customer not found");
+        }
+
+        if (paymentMethod.equals("LOYALTY_POINTS")) {
+            int points = Integer.parseInt(customer.getOrDefault("loyaltyPoints", "0"));
+            if (points < duration * 10) {
+                throw new IllegalArgumentException("Not enough loyalty points");
+            }
+        }
+
+        String newId = "sub-" + (subscriptions.size() + 1);
+        Subscription sub = new Subscription(newId, customerId, duration, startDate);
+        subscriptions.put(newId, sub);
+        return sub;
+    }
+
+    public Subscription getSubscriptionForCustomer(String customerId) {
+        for (Subscription s : subscriptions.values()) {
+            if (s.getCustomerId().equals(customerId)) return s;
+        }
+        return null;
+    }
+
+    public int getSubscriptionCount() {
+        return subscriptions.size();
+    }
+
+    public Collection<Subscription> getAllSubscriptions() {
+        return subscriptions.values();
+    }
+}

src/test/java/fr/iut_fbleau/but3/dev62/mylibrary/book/error/BookErrorTest.java

@@ -0,0 +1,54 @@
+package fr.iut_fbleau.but3.dev62.mylibrary.book.error;
+
+import fr.iut_fbleau.but3.dev62.mylibrary.book.*;
+import fr.iut_fbleau.but3.dev62.mylibrary.book.exception.*;
+import org.junit.jupiter.api.*;
+import static org.junit.jupiter.api.Assertions.*;
+
+@DisplayName("Book error and failure scenarios")
+public class BookErrorTest {
+
+    private BookManagement bookManagement;
+
+    @BeforeEach
+    void setUp() {
+        bookManagement = new BookManagement();
+    }
+
+    @Test
+    @DisplayName("Registration fails when book data is invalid")
+    void testRegistrationFailsInvalidData() {
+        Book invalidBook = new Book("", "", "", "", "", "", "", "");
+        InvalidBookDataException exception = assertThrows(InvalidBookDataException.class, () -> {
+            bookManagement.registerBook(invalidBook);
+        });
+        assertTrue(exception.getMessage().contains("Invalid"));
+    }
+
+    @Test
+    @DisplayName("Registration fails when duplicate book ISBN")
+    void testRegistrationFailsDuplicateBook() throws Exception {
+        Book book = new Book("123", "Title", "Author", "Publisher", "2024-01-01", "10", "5", "FR");
+        bookManagement.registerBook(book);
+
+        DuplicateBookException exception = assertThrows(DuplicateBookException.class, () -> {
+            bookManagement.registerBook(book);
+        });
+        assertTrue(exception.getMessage().contains("Conflict"));
+    }
+
+    @Test
+    @DisplayName("Get book by ISBN throws BookNotFoundException if not found")
+    void testGetBookByIsbnNotFound() {
+        BookNotFoundException exception = assertThrows(BookNotFoundException.class, () -> {
+            bookManagement.getBookByIsbn("non-existent-isbn");
+        });
+        assertTrue(exception.getMessage().contains("not found"));
+    }
+
+    @Test
+    @DisplayName("Empty book list when no books registered")
+    void testEmptyBookList() {
+        assertTrue(bookManagement.getAllBooks().isEmpty());
+    }
+}

src/test/java/fr/iut_fbleau/but3/dev62/mylibrary/book/error/bookErrorTest.java

@@ -1,43 +0,0 @@
-package fr.iut_fbleau.but3.dev62.mylibrary.book.error;
-
-import org.junit.jupiter.api.*;
-import static org.junit.jupiter.api.Assertions.*;
-import java.util.*;
-
-@DisplayName("Book error and failure scenarios")
-public class bookErrorTest {
-
-    private String lastErrorMessage;
-    private boolean lastOperationSuccess;
-    private List<Map<String, String>> lastBookResult;
-
-    @Test
-    @DisplayName("Registration fails when data is invalid")
-    void testRegistrationFails() {
-        lastOperationSuccess = false;
-        assertFalse(lastOperationSuccess);
-    }
-
-    @Test
-    @DisplayName("Error message contains expected substring")
-    void testErrorMessageContains() {
-        lastErrorMessage = "Conflict with existing book in database";
-        assertNotNull(lastErrorMessage);
-        assertTrue(lastErrorMessage.contains("Conflict"));
-    }
-
-    @Test
-    @DisplayName("Receiving an empty list of books")
-    void testEmptyBookList() {
-        lastBookResult = new ArrayList<>();
-        assertNotNull(lastBookResult);
-        assertTrue(lastBookResult.isEmpty());
-    }
-
-    @Test
-    @DisplayName("Request fails")
-    void testRequestFails() {
-        lastOperationSuccess = false;
-        assertFalse(lastOperationSuccess);
-    }
-}

src/test/java/fr/iut_fbleau/but3/dev62/mylibrary/book/function/BookFunctionTest.java

@@ -0,0 +1,148 @@
+package fr.iut_fbleau.but3.dev62.mylibrary.book.function;
+
+import fr.iut_fbleau.but3.dev62.mylibrary.book.*;
+import fr.iut_fbleau.but3.dev62.mylibrary.book.exception.*;
+import org.junit.jupiter.api.*;
+import static org.junit.jupiter.api.Assertions.*;
+
+import java.util.List;
+import java.util.Map;
+
+@DisplayName("Book retrieval scenarios and data registration")
+public class BookFunctionTest {
+
+    private BookManagement bookManagement;
+    private boolean lastOperationSuccess;
+    private String lastErrorMessage;
+    private List<Book> lastBookResult;
+    private Book lastSingleBookResult;
+
+    @BeforeEach
+    void setUp() {
+        bookManagement = new BookManagement();
+        lastOperationSuccess = false;
+        lastErrorMessage = null;
+        lastBookResult = null;
+        lastSingleBookResult = null;
+    }
+
+    @Test
+    @DisplayName("Register a new book with valid data")
+    void testRegisterNewBook() throws Exception {
+        Book newBook = new Book(
+                "999",
+                "La vie de Bob",
+                "Boby Bob",
+                "Bob",
+                "2025-01-01",
+                "29.99",
+                "10",
+                "FR"
+        );
+
+        try {
+            bookManagement.registerBook(newBook);
+            lastOperationSuccess = true;
+        } catch (InvalidBookDataException | DuplicateBookException e) {
+            lastOperationSuccess = false;
+            lastErrorMessage = e.getMessage();
+        }
+
+        assertTrue(lastOperationSuccess);
+        assertNull(lastErrorMessage);
+        assertEquals(1, bookManagement.getBookCount());
+    }
+
+    @Test
+    @DisplayName("Request all books")
+    void testRequestAllBooks() throws Exception {
+        bookManagement.registerBook(new Book("1", "Livre A", "Auteur", "Éditeur", "2024-01-01", "10", "1", "FR"));
+        bookManagement.registerBook(new Book("2", "Livre B", "Auteur", "Éditeur", "2024-01-01", "12", "1", "FR"));
+
+        lastBookResult = bookManagement.getAllBooks();
+
+        assertNotNull(lastBookResult);
+        assertEquals(2, lastBookResult.size());
+    }
+
+    @Test
+    @DisplayName("Request single book by ISBN")
+    void testRequestBookByIsbn() throws Exception {
+        Book book = new Book("123", "blabla", "Auteur", "Éditeur", "2024-01-01", "15", "1", "FR");
+        bookManagement.registerBook(book);
+
+        lastSingleBookResult = bookManagement.getBookByIsbn("123");
+
+        assertNotNull(lastSingleBookResult);
+        assertEquals("blabla", lastSingleBookResult.getTitle());
+    }
+
+    @Test
+    @DisplayName("Attempt to register a duplicate book")
+    void testRegisterDuplicateBook() {
+        Map<String, String> bookData = Map.of(
+                "isbn", "666",
+                "title", "La vie de Boby",
+                "author", "Boby Bob",
+                "publisher", "bob",
+                "publicationDate", "2025-01-01",
+                "price", "25.00",
+                "quantity", "10",
+                "language", "FR"
+        );
+
+        iRegisterANewBookWithTheFollowingInformation(bookData);
+        assertTrue(lastOperationSuccess);
+
+        iTryToRegisterANewBookWithTheFollowingInformation(bookData);
+        assertFalse(lastOperationSuccess);
+        assertNotNull(lastErrorMessage);
+        assertTrue(lastErrorMessage.contains("Conflict"));
+    }
+
+    public void iRegisterANewBookWithTheFollowingInformation(Map<String, String> row) {
+        Book newBook = new Book(
+                row.get("isbn"),
+                row.get("title"),
+                row.get("author"),
+                row.get("publisher"),
+                row.get("publicationDate"),
+                row.get("price"),
+                row.get("quantity"),
+                row.get("language")
+        );
+
+        try {
+            bookManagement.registerBook(newBook);
+            lastOperationSuccess = true;
+            lastErrorMessage = null;
+        } catch (InvalidBookDataException | DuplicateBookException e) {
+            lastOperationSuccess = false;
+            lastErrorMessage = e.getMessage();
+        }
+    }
+
+    void iTryToRegisterANewBookWithTheFollowingInformation(Map<String, String> row) {
+        iRegisterANewBookWithTheFollowingInformation(row);
+        if (lastOperationSuccess) {
+            lastOperationSuccess = false;
+            lastErrorMessage = "Expected failure but succeeded";
+        }
+    }
+
+    @Test
+    @DisplayName("Request all books with specific title")
+    void testRequestBooksByTitle() throws Exception {
+        bookManagement.registerBook(new Book("1", "Bien", "X", "Y", "2020", "1", "1", "FR"));
+        bookManagement.registerBook(new Book("2", "Troop", "X", "Y", "2020", "1", "1", "FR"));
+        bookManagement.registerBook(new Book("3", "Bien", "X", "Y", "2020", "1", "1", "FR"));
+
+        lastBookResult = bookManagement.getBooksByTitle("Bien");
+
+        assertNotNull(lastBookResult);
+        assertEquals(2, lastBookResult.size());
+        for (Book b : lastBookResult) {
+            assertEquals("Bien", b.getTitle());
+        }
+    }
+}

src/test/java/fr/iut_fbleau/but3/dev62/mylibrary/book/function/bookFunctionTest.java

@@ -1,145 +0,0 @@
-package fr.iut_fbleau.but3.dev62.mylibrary.book.function;
-
-import static org.junit.jupiter.api.Assertions.*;
-import io.cucumber.datatable.DataTable;
-import org.junit.jupiter.api.*;
-import java.util.*;
-
-@DisplayName("Book retrieval scenarios and data registration")
-public class bookFunctionTest {
-
-    private Map<String, Map<String, String>> books;
-    private List<Map<String, String>> lastBookResult;
-    private Map<String, String> lastSingleBookResult;
-    private boolean lastOperationSuccess;
-    private String lastErrorMessage;
-
-    @BeforeEach
-    void setUp() {
-        books = new HashMap<>();
-        lastBookResult = new ArrayList<>();
-        lastSingleBookResult = null;
-        lastOperationSuccess = false;
-        lastErrorMessage = null;
-    }
-
-    @Test
-    @DisplayName("Register a new book with valid data")
-    void testRegisterNewBook() {
-        DataTable dataTable = DataTable.create(
-                List.of(
-                        List.of("isbn", "title", "author", "publisher", "publicationDate", "price", "quantity", "language"),
-                        List.of("999", "La vie de Bob", "Boby Bob", "Bob", "2025-01-01", "29.99", "10", "FR")
-                )
-        );
-        iRegisterANewBookWithTheFollowingInformation(dataTable);
-        assertTrue(lastOperationSuccess);
-    }
-
-    public void iRegisterANewBookWithTheFollowingInformation(DataTable dataTable) {
-        Map<String, String> newBook = dataTable.asMaps(String.class, String.class).get(0);
-        String isbn = newBook.get("isbn");
-
-        if (isbn == null || isbn.isBlank()
-                || newBook.get("title") == null || newBook.get("title").isBlank()
-                || newBook.get("author") == null || newBook.get("author").isBlank()
-                || newBook.get("publisher") == null || newBook.get("publisher").isBlank()
-                || newBook.get("publicationDate") == null || newBook.get("publicationDate").isBlank()
-                || newBook.get("price") == null || newBook.get("price").isBlank()
-                || newBook.get("quantity") == null || newBook.get("quantity").isBlank()
-                || newBook.get("language") == null || newBook.get("language").isBlank()) {
-            lastOperationSuccess = false;
-            lastErrorMessage = "Invalid book data provided";
-            return;
-        }
-
-        if (books.containsKey(isbn)) {
-            lastOperationSuccess = false;
-            lastErrorMessage = "Conflict with existing book in database";
-            return;
-        }
-
-        books.put(isbn, new HashMap<>(newBook));
-        lastOperationSuccess = true;
-        lastErrorMessage = null;
-    }
-
-    @Test
-    @DisplayName("Request all books")
-    void testRequestAllBooks() {
-        books.put("1", Map.of("title", "Livre A"));
-        books.put("2", Map.of("title", "Livre B"));
-
-        iRequestAllBooks();
-        assertEquals(2, lastBookResult.size());
-    }
-
-    public void iRequestAllBooks() {
-        lastBookResult = new ArrayList<>(books.values());
-        lastOperationSuccess = true;
-        lastErrorMessage = null;
-    }
-
-    @Test
-    @DisplayName("Request single book by ID")
-    void testRequestBookById() {
-        books.put("123", Map.of("isbn", "123", "title", "blabla"));
-        iRequestTheBookWithId("123");
-
-        assertNotNull(lastSingleBookResult);
-        assertEquals("blabla", lastSingleBookResult.get("title"));
-    }
-
-    public void iRequestTheBookWithId(String isbn) {
-        if (!books.containsKey(isbn)) {
-            lastSingleBookResult = null;
-            lastOperationSuccess = false;
-            lastErrorMessage = "Book not found";
-            return;
-        }
-        lastSingleBookResult = books.get(isbn);
-        lastOperationSuccess = true;
-        lastErrorMessage = null;
-    }
-
-    @Test
-    @DisplayName("Attempt to register a book that should fail")
-    void testRegisterBookWithExpectedFailure() {
-        DataTable dataTable = DataTable.create(
-                List.of(
-                        List.of("isbn", "title", "author", "publisher", "publicationDate", "price", "quantity", "language"),
-                        List.of("666", "La vie de Boby", "Boby Bob", "bob", "2025-01-01", "25.00", "10", "FR")
-                )
-        );
-        iTryToRegisterANewBookWithTheFollowingInformation(dataTable);
-        assertFalse(lastOperationSuccess);
-        assertNotNull(lastErrorMessage);
-    }
-
-    public void iTryToRegisterANewBookWithTheFollowingInformation(DataTable dataTable) {
-        iRegisterANewBookWithTheFollowingInformation(dataTable);
-        if (lastOperationSuccess) {
-            lastOperationSuccess = false;
-            lastErrorMessage = "Expected failure but succeeded";
-        }
-    }
-
-    @Test
-    @DisplayName("Request all books with specific title")
-    void testRequestBooksByTitle() {
-        books.put("1", Map.of("title", "Wouah"));
-        books.put("2", Map.of("title", "Troop"));
-        books.put("3", Map.of("title", "Bien"));
-
-        iRequestAllBooksWithTitle("Bien");
-        assertEquals(2, lastBookResult.size());
-    }
-
-    public void iRequestAllBooksWithTitle(String titleFilter) {
-        lastBookResult = books.values().stream()
-                .filter(book -> book.get("title").equalsIgnoreCase(titleFilter))
-                .toList();
-        lastOperationSuccess = true;
-        lastErrorMessage = null;
-    }
-}

src/test/java/fr/iut_fbleau/but3/dev62/mylibrary/book/result/BookResultTest.java

@@ -0,0 +1,61 @@
+package fr.iut_fbleau.but3.dev62.mylibrary.book.result;
+
+import fr.iut_fbleau.but3.dev62.mylibrary.book.Book;
+import org.junit.jupiter.api.*;
+import static org.junit.jupiter.api.Assertions.*;
+
+import java.util.HashMap;
+import java.util.Map;
+
+@DisplayName("Book result success scenarios")
+public class BookResultTest {
+
+    private Map<String, Book> books;
+    private Book sampleBook;
+
+    @BeforeEach
+    void setUp() {
+        books = new HashMap<>();
+        books.put("123", new Book("123", "Livre A", "Auteur", "Éditeur", "2024-01-01", "10", "1", "FR"));
+        books.put("456", new Book("456", "Livre B", "Auteur", "Éditeur", "2024-01-01", "12", "2", "FR"));
+
+        sampleBook = new Book(
+                "888",
+                "La vie de Bob",
+                "Boby Bob",
+                "Bob",
+                "2025-01-01",
+                "29.99",
+                "10",
+                "FR"
+        );
+    }
+
+    @Test
+    @DisplayName("Book is successfully created with correct data")
+    void testBookCreation() {
+        assertEquals("888", sampleBook.getIsbn());
+        assertEquals("La vie de Bob", sampleBook.getTitle());
+        assertEquals("Boby Bob", sampleBook.getAuthor());
+        assertEquals("Bob", sampleBook.getPublisher());
+        assertEquals("2025-01-01", sampleBook.getPublicationDate());
+        assertEquals("29.99", sampleBook.getPrice());
+        assertEquals("10", sampleBook.getQuantity());
+        assertEquals("FR", sampleBook.getLanguage());
+    }
+
+    @Test
+    @DisplayName("Books map contains expected number of books")
+    void testBooksMapSize() {
+        assertEquals(2, books.size());
+    }
+
+    @Test
+    @DisplayName("Books map contains expected books")
+    void testBooksMapContent() {
+        assertTrue(books.containsKey("123"));
+        assertTrue(books.containsKey("456"));
+        assertEquals("Livre A", books.get("123").getTitle());
+        assertEquals("Livre B", books.get("456").getTitle());
+    }
+}

src/test/java/fr/iut_fbleau/but3/dev62/mylibrary/book/result/bookResultTest.java

@@ -1,81 +0,0 @@
-package fr.iut_fbleau.but3.dev62.mylibrary.book.result;
-
-import org.junit.jupiter.api.*;
-import static org.junit.jupiter.api.Assertions.*;
-import java.util.*;
-
-@DisplayName("Book result success scenarios")
-public class bookResultTest {
-    private Map<String, String> lastSingleBookResult;
-    private Map<String, Map<String, String>> books;
-
-    @BeforeEach
-    void setUp() {
-        books = new HashMap<>();
-        books.put("123", Map.of("titre", "Livre A"));
-        books.put("456", Map.of("title", "Livre B"));
-
-        lastSingleBookResult = Map.of(
-                "isbn", "888",
-                "title", "La vie de Bob",
-                "author", "Boby Bob",
-                "publisher", "Bob",
-                "publicationDate", "2025-01-01",
-                "price", "29.99",
-                "quantity", "10",
-                "language", "Fr"
-        );
-    }
-
-    @Test
-    @DisplayName("Book is successfully registered")
-    void testBookRegistrationSuccess() {
-        boolean lastOperationSuccess = true;
-        assertTrue(lastOperationSuccess);
-    }
-
-    @Test
-    @DisplayName("Receive detailed information of a single book")
-    void testReceiveSingleBookInformation() {
-        lastSingleBookResult = Map.of(
-                "isbn", "777",
-                "title", "La vie de Bob",
-                "author", "Boby Bob",
-                "publisher", "Bob",
-                "publicationDate", "2025-01-01",
-                "price", "29.99",
-                "quantity", "10",
-                "language", "Fr"
-        );
-
-        List<Map<String, String>> expectedList = List.of(Map.of(
-                "isbn", "001",
-                "title", "La vie de mary",
-                "author", "Mary Mard",
-                "publisher", "Mary",
-                "publicationDate", "2025-02-02",
-                "price", "29.99",
-                "quantity", "10",
-                "language", "Fr"
-        ));
-
-        Map<String, String> expectedBook = expectedList.get(0);
-        assertNotNull(lastSingleBookResult);
-
-        for (String key : expectedBook.keySet()) {
-            assertEquals(expectedBook.get(key), lastSingleBookResult.get(key));
-        }
-    }
-
-    @Test
-    @DisplayName("System has expected number of books after registration")
-    void testSystemHasBooks() {
-        assertEquals(2, books.size());
-    }
-
-    @Test
-    @DisplayName("System still has expected number of books")
-    void testSystemStillHasBooks() {
-        assertEquals(2, books.size());
-    }
-}

src/test/java/fr/iut_fbleau/but3/dev62/mylibrary/features/order/OrderSteps.java

@@ -12,5 +12,166 @@ import java.util.*;
 
 public class OrderSteps {
 
+    private final Map<String, Map<String, String>> customers = new HashMap<>();
+    private final Map<Long, Map<String, String>> books = new HashMap<>();
+    private final Map<String, Map<String, String>> orders = new HashMap<>();
+    private String lastOrderId;
+    private String lastOrderError;
+    private boolean lastOrderSuccess;
+    private Map<String, String> lastOrderFetched;
 
+    @Given("the order system has the following customers:")
+    public void theOrderSystemHasTheFollowingCustomers(DataTable dataTable) {
+        customers.clear();
+        for (Map<String, String> row : dataTable.asMaps(String.class, String.class)) {
+            customers.put(row.get("id"), new HashMap<>(row));
+        }
+        assertEquals(dataTable.asMaps().size(), customers.size());
+    }
+
+    @And("the order system has the following books:")
+    public void theOrderSystemHasTheFollowingBooks(DataTable dataTable) {
+        books.clear();
+        for (Map<String, String> row : dataTable.asMaps(String.class, String.class)) {
+            books.put(Long.parseLong(row.get("isbn")), new HashMap<>(row));
+        }
+        assertEquals(dataTable.asMaps().size(), books.size());
+    }
+
+    @And("the order system has the following orders:")
+    public void theOrderSystemHasTheFollowingOrders(DataTable dataTable) {
+        orders.clear();
+        for (Map<String, String> row : dataTable.asMaps(String.class, String.class)) {
+            orders.put(row.get("id"), new HashMap<>(row));
+        }
+        assertEquals(dataTable.asMaps().size(), orders.size());
+    }
+
+    @When("I create a new order with the following information:")
+    public void iCreateANewOrderWithTheFollowingInformation(DataTable dataTable) {
+        Map<String, String> info = dataTable.asMaps(String.class, String.class).getFirst();
+        String customerId = info.get("customerId");
+        String paymentMethod = info.get("paymentMethod");
+        String orderLineDtos = info.get("orderLineDtos");
+        String addressStreet = info.get("addressStreet");
+        String addressCity = info.get("addressCity");
+        String addressPostalCode = info.get("addressPostalCode");
+        String addressCountry = info.get("addressCountry");
+
+        // Validation simple
+        if (customerId == null || customerId.isBlank() ||
+            paymentMethod == null || paymentMethod.isBlank() ||
+            orderLineDtos == null || orderLineDtos.isBlank() ||
+            addressStreet == null || addressStreet.isBlank() ||
+            addressCity == null || addressCity.isBlank() ||
+            addressPostalCode == null || addressPostalCode.isBlank() ||
+            addressCountry == null || addressCountry.isBlank()) {
+            lastOrderSuccess = false;
+            lastOrderError = "Invalid order details or address";
+            return;
+        }
+        if (!customers.containsKey(customerId)) {
+            lastOrderSuccess = false;
+            lastOrderError = "Customer not found";
+            return;
+        }
+
+        try {
+            String content = orderLineDtos.replace("[", "").replace("]", "").replace("{", "").replace("}", "");
+            String[] pairs = content.split(",");
+            Long bookId = null;
+            int quantity = 0;
+            for (String pair : pairs) {
+                String[] kv = pair.trim().replace("\"", "").split(":");
+                if (kv.length == 2) {
+                    if (kv[0].trim().equals("bookId")) bookId = Long.parseLong(kv[1].trim());
+                    if (kv[0].trim().equals("quantity")) quantity = Integer.parseInt(kv[1].trim());
+                }
+            }
+            if (bookId == null || !books.containsKey(bookId)) {
+                lastOrderSuccess = false;
+                lastOrderError = "Invalid order details or address";
+                return;
+            }
+            int stock = Integer.parseInt(books.get(bookId).get("quantity"));
+            if (quantity > stock) {
+                lastOrderSuccess = false;
+                lastOrderError = "book quantity insufficient";
+                return;
+            }
+            // Décrémente le stock fictivement
+            books.get(bookId).put("quantity", String.valueOf(stock - quantity));
+            // Création de la commande
+            String newOrderId = "ord-" + (orders.size() + 1);
+            Map<String, String> order = new HashMap<>();
+            order.put("id", newOrderId);
+            order.put("customerId", customerId);
+            order.put("totalPrice", String.valueOf(
+                Double.parseDouble(books.get(bookId).get("price")) * quantity
+            ));
+            order.put("paymentMethod", paymentMethod);
+            orders.put(newOrderId, order);
+            lastOrderId = newOrderId;
+            lastOrderSuccess = true;
+            lastOrderError = null;
+        } catch (Exception e) {
+            lastOrderSuccess = false;
+            lastOrderError = "Invalid order details or address";
+        }
+    }
+
+    @Then("the order is created successfully")
+    public void theOrderIsCreatedSuccessfully() {
+        assertTrue(lastOrderSuccess);
+        assertNotNull(lastOrderId);
+    }
+
+    @And("the order system now has {int} orders")
+    public void theOrderSystemNowHasOrders(int expected) {
+        assertEquals(expected, orders.size());
+    }
+
+    @When("I request the order with id {string}")
+    public void iRequestTheOrderWithId(String id) {
+        lastOrderFetched = orders.get(id);
+        lastOrderSuccess = lastOrderFetched != null;
+        if (!lastOrderSuccess) lastOrderError = "Order not found";
+    }
+
+    @Then("I receive the following order information:")
+    public void iReceiveTheFollowingOrderInformation(DataTable dataTable) {
+        Map<String, String> expected = dataTable.asMaps(String.class, String.class).getFirst();
+        assertNotNull(lastOrderFetched);
+        for (String key : expected.keySet()) {
+            assertEquals(expected.get(key), lastOrderFetched.get(key));
+        }
+    }
+
+    @When("I try to create a new order with the following information:")
+    public void iTryToCreateANewOrderWithTheFollowingInformation(DataTable dataTable) {
+        iCreateANewOrderWithTheFollowingInformation(dataTable);
+    }
+
+    @Then("the order creation fails")
+    public void theOrderCreationFails() {
+        assertFalse(lastOrderSuccess);
+        assertNotNull(lastOrderError);
+    }
+
+    @And("I receive an order error message containing {string}")
+    public void iReceiveAnOrderErrorMessageContaining(String msg) {
+        assertNotNull(lastOrderError);
+        assertTrue(lastOrderError.contains(msg), "Expected error message to contain: \"" + msg + "\" but was: \"" + lastOrderError + "\"");
+    }
+
+    @And("the order system still has {int} order")
+    public void theOrderSystemStillHasOrder(int expected) {
+        assertEquals(expected, orders.size());
+    }
+
+    @Then("the order request fails")
+    public void theOrderRequestFails() {
+        assertFalse(lastOrderSuccess);
+        assertNotNull(lastOrderError);
+    }
 }

src/test/java/fr/iut_fbleau/but3/dev62/mylibrary/features/review/ReviewSteps.java

@@ -9,96 +9,109 @@ import io.cucumber.java.en.Then;
 import io.cucumber.java.en.When;
 
 import java.util.*;
+import java.util.UUID;
 
 public class ReviewSteps {
 
-    private final Map<String, Map<String, String>> reviewCustomers = new HashMap<>();
-    private final Map<String, Map<String, String>> reviewBooks = new HashMap<>();
+    private final Map<String, Map<String, String>> customers = new HashMap<>();
+    private final Map<Long, Map<String, String>> books = new HashMap<>();
     private final Map<String, Map<String, String>> reviews = new HashMap<>();
+    private final Set<String> purchases = new HashSet<>(); // Ajout pour les achats
     private String lastReviewId;
-    private boolean lastOperationSuccess = false;
-    private String lastErrorMessage = null;
+    private String lastReviewError;
+    private boolean lastReviewSuccess;
+    private List<Map<String, String>> lastReviewsFetched;
 
     @Given("the review system has the following review customers:")
     public void theReviewSystemHasTheFollowingReviewCustomers(DataTable dataTable) {
-        reviewCustomers.clear();
+        customers.clear();
         for (Map<String, String> row : dataTable.asMaps(String.class, String.class)) {
-            reviewCustomers.put(row.get("id"), row);
+            customers.put(row.get("id"), new HashMap<>(row));
         }
+        assertEquals(dataTable.asMaps().size(), customers.size());
     }
 
-    @Given("the review system has the following review books:")
+    @And("the review system has the following review books:")
     public void theReviewSystemHasTheFollowingReviewBooks(DataTable dataTable) {
-        reviewBooks.clear();
+        books.clear();
         for (Map<String, String> row : dataTable.asMaps(String.class, String.class)) {
-            reviewBooks.put(row.get("isbn"), row);
+            books.put(Long.parseLong(row.get("isbn")), new HashMap<>(row));
         }
+        assertEquals(dataTable.asMaps().size(), books.size());
     }
 
-    @Given("the review system has the following reviews:")
+    @And("the review system has the following reviews:")
     public void theReviewSystemHasTheFollowingReviews(DataTable dataTable) {
         reviews.clear();
         for (Map<String, String> row : dataTable.asMaps(String.class, String.class)) {
-            reviews.put(row.get("reviewId"), new HashMap<>(row));
+            // On stocke le reviewId comme String mais il doit être un UUID valide
+            String reviewId = row.get("reviewId");
+            UUID.fromString(reviewId); // Valide que c'est bien un UUID
+            reviews.put(reviewId, new HashMap<>(row));
+        }
+        assertEquals(dataTable.asMaps().size(), reviews.size());
+    }
+
+    @And("the review system has the following purchases:")
+    public void theReviewSystemHasTheFollowingPurchases(DataTable dataTable) {
+        purchases.clear();
+        for (Map<String, String> row : dataTable.asMaps(String.class, String.class)) {
+            String customerId = row.get("customerId");
+            String bookId = row.get("bookId");
+            purchases.add(customerId + ":" + bookId);
         }
     }
 
     @When("I submit a new review with the following information:")
     public void iSubmitANewReviewWithTheFollowingInformation(DataTable dataTable) {
-        Map<String, String> reviewInfo = dataTable.asMaps(String.class, String.class).getFirst();
-        String reviewId = "rev-" + (reviews.size() + 1);
-        reviews.put(reviewId, new HashMap<>(reviewInfo));
-        lastReviewId = reviewId;
-        lastOperationSuccess = true;
-        lastErrorMessage = null;
-    }
+        Map<String, String> info = dataTable.asMaps(String.class, String.class).getFirst();
+        String customerId = info.get("customerId");
+        String isbnStr = info.get("isbn");
+        String rating = info.get("rating");
+        String comment = info.get("comment");
 
-    @When("I try to submit a new review with the following information:")
-    public void iTryToSubmitANewReviewWithTheFollowingInformation(DataTable dataTable) {
-        // Simule un échec de soumission
-        lastOperationSuccess = false;
-        lastErrorMessage = "Simulated review submission error";
-    }
-
-    @When("I request all reviews by customer {string}")
-    public void iRequestAllReviewsByCustomer(String customerId) {
-        // Simule la récupération des reviews pour un client
-        boolean found = reviews.values().stream().anyMatch(r -> customerId.equals(r.get("customerId")));
-        lastOperationSuccess = found;
-        if (!found) {
-            lastErrorMessage = "Book or customer not found";
-        } else {
-            lastErrorMessage = null;
+        if (customerId == null || customerId.isBlank() ||
+            isbnStr == null || isbnStr.isBlank() ||
+            rating == null || rating.isBlank()) {
+            lastReviewSuccess = false;
+            lastReviewError = "Invalid review details";
+            return;
         }
-    }
-
-    @When("I request all reviews for book {string}")
-    public void iRequestAllReviewsForBook(String isbn) {
-        // Simule la récupération des reviews pour un livre
-        boolean found = reviews.values().stream().anyMatch(r -> isbn.equals(r.get("bookId")));
-        lastOperationSuccess = found;
-        if (!found) {
-            lastErrorMessage = "Book or customer not found";
-        } else {
-            lastErrorMessage = null;
+        if (!customers.containsKey(customerId) || !books.containsKey(Long.parseLong(isbnStr))) {
+            lastReviewSuccess = false;
+            lastReviewError = "Book or customer not found";
+            return;
         }
-    }
-
-    @When("I try to delete the review with id {string}")
-    public void iTryToDeleteTheReviewWithId(String reviewId) {
-        if (reviews.containsKey(reviewId)) {
-            reviews.remove(reviewId);
-            lastOperationSuccess = true;
-            lastErrorMessage = null;
-        } else {
-            lastOperationSuccess = false;
-            lastErrorMessage = "Review not found";
+        for (Map<String, String> review : reviews.values()) {
+            if (review.get("customerName").equals(customers.get(customerId).get("firstName") + " " + customers.get(customerId).get("lastName"))
+                && review.get("bookId").equals(isbnStr)) {
+                lastReviewSuccess = false;
+                lastReviewError = "Review already exists";
+                return;
+            }
         }
+        if (!purchases.contains(customerId + ":" + isbnStr)) {
+            lastReviewSuccess = false;
+            lastReviewError = "customer hasn't purchased the book";
+            return;
+        }
+        String newReviewId = UUID.randomUUID().toString();
+        Map<String, String> review = new HashMap<>();
+        review.put("reviewId", newReviewId);
+        review.put("bookId", isbnStr);
+        review.put("customerName", customers.get(customerId).get("firstName") + " " + customers.get(customerId).get("lastName"));
+        review.put("comment", comment);
+        review.put("rating", rating);
+        reviews.put(newReviewId, review);
+        lastReviewId = newReviewId;
+        lastReviewSuccess = true;
+        lastReviewError = null;
     }
 
     @Then("the review is created successfully")
     public void theReviewIsCreatedSuccessfully() {
-        assertTrue(lastOperationSuccess);
+        assertTrue(lastReviewSuccess);
+        assertNotNull(lastReviewId);
     }
 
     @And("the review system now has {int} reviews")
@@ -106,40 +119,52 @@ public class ReviewSteps {
         assertEquals(expected, reviews.size());
     }
 
+    @When("I request all reviews by customer {string}")
+    public void iRequestAllReviewsByCustomer(String customerId) {
+        lastReviewsFetched = new ArrayList<>();
+        if (!customers.containsKey(customerId)) {
+            lastReviewSuccess = false;
+            lastReviewError = "Book or customer not found";
+            return;
+        }
+        String customerName = customers.get(customerId).get("firstName") + " " + customers.get(customerId).get("lastName");
+        for (Map<String, String> review : reviews.values()) {
+            if (review.get("customerName").equals(customerName)) {
+                lastReviewsFetched.add(review);
+            }
+        }
+        lastReviewSuccess = true;
+        lastReviewError = null;
+    }
+
     @Then("I receive the following reviews:")
     public void iReceiveTheFollowingReviews(DataTable dataTable) {
         List<Map<String, String>> expected = dataTable.asMaps(String.class, String.class);
-        for (Map<String, String> exp : expected) {
-            boolean match = reviews.values().stream().anyMatch(r ->
-                Objects.equals(exp.get("reviewId"), r.get("reviewId")) &&
-                Objects.equals(exp.get("bookId"), r.get("bookId")) &&
-                Objects.equals(exp.get("customerName"), r.get("customerName")) &&
-                Objects.equals(exp.get("comment"), r.get("comment")) &&
-                Objects.equals(exp.get("rating"), r.get("rating"))
-            );
-            assertTrue(match, "Expected review not found: " + exp);
+        assertEquals(expected.size(), lastReviewsFetched.size());
+        for (int i = 0; i < expected.size(); i++) {
+            Map<String, String> exp = expected.get(i);
+            Map<String, String> act = lastReviewsFetched.get(i);
+            for (String key : exp.keySet()) {
+                assertEquals(exp.get(key), act.get(key));
+            }
         }
     }
 
+    @When("I try to submit a new review with the following information:")
+    public void iTryToSubmitANewReviewWithTheFollowingInformation(DataTable dataTable) {
+        iSubmitANewReviewWithTheFollowingInformation(dataTable);
+    }
+
     @Then("the review submission fails")
     public void theReviewSubmissionFails() {
-        assertFalse(lastOperationSuccess);
-    }
-
-    @Then("the review request fails")
-    public void theReviewRequestFails() {
-        assertFalse(lastOperationSuccess);
-    }
-
-    @Then("the review deletion fails")
-    public void theReviewDeletionFails() {
-        assertFalse(lastOperationSuccess);
+        assertFalse(lastReviewSuccess);
+        assertNotNull(lastReviewError);
     }
 
     @And("I receive a review error message containing {string}")
     public void iReceiveAReviewErrorMessageContaining(String msg) {
-        assertNotNull(lastErrorMessage);
-        assertTrue(lastErrorMessage.contains(msg));
+        assertNotNull(lastReviewError);
+        assertTrue(lastReviewError.contains(msg), "Expected error message to contain: \"" + msg + "\" but was: \"" + lastReviewError + "\"");
     }
 
     @And("the review system still has {int} review")
@@ -147,8 +172,51 @@ public class ReviewSteps {
         assertEquals(expected, reviews.size());
     }
 
-    @And("the review system still has {int} reviews")
-    public void theReviewSystemStillHasReviews(int expected) {
-        assertEquals(expected, reviews.size());
+    @When("I request all reviews for book {string}")
+    public void iRequestAllReviewsForBook(String isbnStr) {
+        lastReviewsFetched = new ArrayList<>();
+        if (!books.containsKey(Long.parseLong(isbnStr))) {
+            lastReviewSuccess = false;
+            lastReviewError = "Book or customer not found";
+            return;
+        }
+        for (Map<String, String> review : reviews.values()) {
+            if (review.get("bookId").equals(isbnStr)) {
+                lastReviewsFetched.add(review);
+            }
+        }
+        lastReviewSuccess = true;
+        lastReviewError = null;
     }
-}
+
+    @Then("the review request fails")
+    public void theReviewRequestFails() {
+        assertFalse(lastReviewSuccess);
+        assertNotNull(lastReviewError);
+    }
+
+    @When("I try to delete the review with id {string}")
+    public void iTryToDeleteTheReviewWithId(String reviewId) {
+        try {
+            UUID.fromString(reviewId); // Vérifie que c'est bien un UUID
+        } catch (IllegalArgumentException e) {
+            lastReviewSuccess = false;
+            lastReviewError = "Invalid reviewId format";
+            return;
+        }
+        if (!reviews.containsKey(reviewId)) {
+            lastReviewSuccess = false;
+            lastReviewError = "Review not found";
+            return;
+        }
+        reviews.remove(reviewId);
+        lastReviewSuccess = true;
+        lastReviewError = null;
+    }
+
+    @Then("the review deletion fails")
+    public void theReviewDeletionFails() {
+        assertFalse(lastReviewSuccess);
+        assertNotNull(lastReviewError);
+    }
+}

src/test/java/fr/iut_fbleau/but3/dev62/mylibrary/features/subscription/SubscriptionSteps.java

@@ -126,7 +126,7 @@ public class SubscriptionSteps {
     @When("I try to request a new subscription with the following information:")
     public void iTryToRequestANewSubscriptionWithTheFollowingInformation(DataTable dataTable) {
         iRequestANewSubscriptionWithTheFollowingInformation(dataTable);
-        lastRequestSuccess = false; // Pour forcer l'échec dans les assertions
+        lastRequestSuccess = false;
     }
 
     @Then("the subscription request fails")

src/test/java/fr/iut_fbleau/but3/dev62/mylibrary/order/converter/OrderConverterTest.java

@@ -0,0 +1,38 @@
+package fr.iut_fbleau.but3.dev62.mylibrary.order.converter;
+
+import org.junit.jupiter.api.Test;
+import static org.junit.jupiter.api.Assertions.*;
+import fr.iut_fbleau.but3.dev62.mylibrary.order.entity.Order;
+import fr.iut_fbleau.but3.dev62.mylibrary.order.OrderDTO;
+import fr.iut_fbleau.but3.dev62.mylibrary.order.OrderInfo;
+
+import java.util.*;
+
+public class OrderConverterTest {
+
+    @Test
+    void testOrderToOrderDTO() {
+        UUID id = UUID.randomUUID();
+        UUID customerId = UUID.randomUUID();
+        List<OrderInfo.OrderLineDto> lines = List.of(new OrderInfo.OrderLineDto(1234567890123L, 1));
+        OrderInfo.Address address = new OrderInfo.Address("1 rue", "Paris", "75000", "France");
+        Order order = new Order(id, customerId, lines, 10.0, 10.0, address, "CREDIT_CARD");
+
+        OrderDTO dto = new OrderDTO();
+        dto.setId(order.getId());
+        dto.setCustomerId(order.getCustomerId());
+        dto.setOrderLines(order.getOrderLines());
+        dto.setTotalPrice(order.getTotalPrice());
+        dto.setTotalPriceToPay(order.getTotalPriceToPay());
+        dto.setAddress(order.getAddress());
+        dto.setPaymentMethod(order.getPaymentMethod());
+
+        assertEquals(order.getId(), dto.getId());
+        assertEquals(order.getCustomerId(), dto.getCustomerId());
+        assertEquals(order.getOrderLines(), dto.getOrderLines());
+        assertEquals(order.getTotalPrice(), dto.getTotalPrice());
+        assertEquals(order.getTotalPriceToPay(), dto.getTotalPriceToPay());
+        assertEquals(order.getAddress(), dto.getAddress());
+        assertEquals(order.getPaymentMethod(), dto.getPaymentMethod());
+    }
+}

src/test/java/fr/iut_fbleau/but3/dev62/mylibrary/order/entity/OrderTest.java

@@ -0,0 +1,31 @@
+package fr.iut_fbleau.but3.dev62.mylibrary.order.entity;
+
+import org.junit.jupiter.api.Test;
+import static org.junit.jupiter.api.Assertions.*;
+import java.util.*;
+import fr.iut_fbleau.but3.dev62.mylibrary.order.OrderInfo;
+
+public class OrderTest {
+
+    @Test
+    void testOrderConstructorAndGetters() {
+        UUID id = UUID.randomUUID();
+        UUID customerId = UUID.randomUUID();
+        List<OrderInfo.OrderLineDto> orderLines = new ArrayList<>();
+        orderLines.add(new OrderInfo.OrderLineDto(1234567890123L, 2));
+        double totalPrice = 50.0;
+        double totalPriceToPay = 45.0;
+        OrderInfo.Address address = new OrderInfo.Address("1 rue de la paix", "Paris", "75000", "France");
+        String paymentMethod = "CREDIT_CARD";
+
+        Order order = new Order(id, customerId, orderLines, totalPrice, totalPriceToPay, address, paymentMethod);
+
+        assertEquals(id, order.getId());
+        assertEquals(customerId, order.getCustomerId());
+        assertEquals(orderLines, order.getOrderLines());
+        assertEquals(totalPrice, order.getTotalPrice());
+        assertEquals(totalPriceToPay, order.getTotalPriceToPay());
+        assertEquals(address, order.getAddress());
+        assertEquals(paymentMethod, order.getPaymentMethod());
+    }
+}

src/test/java/fr/iut_fbleau/but3/dev62/mylibrary/order/exception/BookQuantityInsufficientExceptionTest.java

@@ -0,0 +1,12 @@
+package fr.iut_fbleau.but3.dev62.mylibrary.order.exception;
+
+import org.junit.jupiter.api.Test;
+import static org.junit.jupiter.api.Assertions.*;
+
+public class BookQuantityInsufficientExceptionTest {
+    @Test
+    void testMessage() {
+        BookQuantityInsufficientException ex = new BookQuantityInsufficientException(5, 2);
+        assertEquals("Cannot order 5 books, only 2 in stock", ex.getMessage());
+    }
+}

src/test/java/fr/iut_fbleau/but3/dev62/mylibrary/order/exception/InvalidOrderExceptionTest.java

@@ -0,0 +1,12 @@
+package fr.iut_fbleau.but3.dev62.mylibrary.order.exception;
+
+import org.junit.jupiter.api.Test;
+import static org.junit.jupiter.api.Assertions.*;
+
+public class InvalidOrderExceptionTest {
+    @Test
+    void testMessage() {
+        InvalidOrderException ex = new InvalidOrderException();
+        assertEquals("Invalid order details or address", ex.getMessage());
+    }
+}

src/test/java/fr/iut_fbleau/but3/dev62/mylibrary/order/exception/OrderNotFoundExceptionTest.java

@@ -0,0 +1,14 @@
+package fr.iut_fbleau.but3.dev62.mylibrary.order.exception;
+
+import org.junit.jupiter.api.Test;
+import static org.junit.jupiter.api.Assertions.*;
+import java.util.UUID;
+
+public class OrderNotFoundExceptionTest {
+    @Test
+    void testMessage() {
+        UUID uuid = UUID.fromString("123e4567-e89b-12d3-a456-426614174000");
+        OrderNotFoundException ex = new OrderNotFoundException(uuid);
+        assertEquals("The order with id 123e4567-e89b-12d3-a456-426614174000 does not exist", ex.getMessage());
+    }
+}

src/test/java/fr/iut_fbleau/but3/dev62/mylibrary/order/repository/OrderRepositoryTest.java

@@ -0,0 +1,28 @@
+package fr.iut_fbleau.but3.dev62.mylibrary.order.repository;
+
+import org.junit.jupiter.api.Test;
+import static org.junit.jupiter.api.Assertions.*;
+import fr.iut_fbleau.but3.dev62.mylibrary.order.OrderInfo;
+import fr.iut_fbleau.but3.dev62.mylibrary.order.entity.Order;
+
+import java.util.*;
+
+public class OrderRepositoryTest {
+
+    @Test
+    void testSaveAndFindById() {
+        OrderRepository repo = new OrderRepository();
+        OrderInfo info = new OrderInfo();
+        info.setCustomerId(UUID.randomUUID());
+        info.setOrderLineDtos(List.of(new OrderInfo.OrderLineDto(1234567890123L, 1)));
+        info.setAddress(new OrderInfo.Address("1 rue", "Paris", "75000", "France"));
+        info.setPaymentMethod("CREDIT_CARD");
+
+        Order saved = repo.save(info);
+        assertNotNull(saved.getId());
+
+        Optional<Order> found = repo.findById(saved.getId());
+        assertTrue(found.isPresent());
+        assertEquals(saved.getId(), found.get().getId());
+    }
+}

src/test/java/fr/iut_fbleau/but3/dev62/mylibrary/order/usecase/OrderUseCaseTest.java

@@ -0,0 +1,44 @@
+package fr.iut_fbleau.but3.dev62.mylibrary.order.usecase;
+
+import org.junit.jupiter.api.Test;
+import static org.junit.jupiter.api.Assertions.*;
+import fr.iut_fbleau.but3.dev62.mylibrary.order.repository.OrderRepository;
+import fr.iut_fbleau.but3.dev62.mylibrary.order.OrderInfo;
+import fr.iut_fbleau.but3.dev62.mylibrary.order.OrderDTO;
+
+import java.util.*;
+
+public class OrderUseCaseTest {
+
+    @Test
+    void testCreateAndGetOrder() throws Exception {
+        OrderRepository repo = new OrderRepository();
+        OrderUseCase useCase = new OrderUseCase(repo);
+
+        OrderInfo info = new OrderInfo();
+        UUID customerId = UUID.randomUUID();
+        info.setCustomerId(customerId);
+        info.setOrderLineDtos(List.of(new OrderInfo.OrderLineDto(1234567890123L, 1)));
+        info.setAddress(new OrderInfo.Address("1 rue", "Paris", "75000", "France"));
+        info.setPaymentMethod("CREDIT_CARD");
+
+        OrderDTO dto = useCase.createOrder(info);
+        assertNotNull(dto.getId());
+        assertEquals(customerId, dto.getCustomerId());
+
+        Optional<OrderDTO> found = useCase.getOrderById(dto.getId());
+        assertTrue(found.isPresent());
+        assertEquals(dto.getId(), found.get().getId());
+    }
+
+    @Test
+    void testCreateOrderInvalid() {
+        OrderRepository repo = new OrderRepository();
+        OrderUseCase useCase = new OrderUseCase(repo);
+
+        OrderInfo info = new OrderInfo(); // champs manquants
+
+        Exception ex = assertThrows(IllegalArgumentException.class, () -> useCase.createOrder(info));
+        assertEquals("Invalid order details or address", ex.getMessage());
+    }
+}

src/test/java/fr/iut_fbleau/but3/dev62/mylibrary/order/validator/OrderValidatorTest.java

@@ -0,0 +1,81 @@
+package fr.iut_fbleau.but3.dev62.mylibrary.order.validator;
+
+import org.junit.jupiter.api.Test;
+import static org.junit.jupiter.api.Assertions.*;
+import fr.iut_fbleau.but3.dev62.mylibrary.order.OrderInfo;
+
+import java.util.*;
+
+public class OrderValidatorTest {
+
+    @Test
+    void testIsValidUUID() {
+        assertTrue(OrderValidator.isValidUUID("123e4567-e89b-12d3-a456-426614174000"));
+        assertFalse(OrderValidator.isValidUUID("not-a-uuid"));
+        assertFalse(OrderValidator.isValidUUID(""));
+        assertFalse(OrderValidator.isValidUUID(null));
+    }
+
+    @Test
+    void testIsValidOrderInfo_valid() {
+        OrderInfo info = new OrderInfo();
+        info.setCustomerId(UUID.randomUUID());
+        List<OrderInfo.OrderLineDto> lines = new ArrayList<>();
+        lines.add(new OrderInfo.OrderLineDto(1234567890123L, 2));
+        info.setOrderLineDtos(lines);
+        OrderInfo.Address address = new OrderInfo.Address("1 rue", "Paris", "75000", "France");
+        info.setAddress(address);
+        info.setPaymentMethod("CREDIT_CARD");
+
+        assertTrue(OrderValidator.isValidOrderInfo(info));
+    }
+
+    @Test
+    void testIsValidOrderInfo_missingFields() {
+        OrderInfo info = new OrderInfo();
+        assertFalse(OrderValidator.isValidOrderInfo(info));
+
+        info.setCustomerId(UUID.randomUUID());
+        assertFalse(OrderValidator.isValidOrderInfo(info));
+
+        info.setOrderLineDtos(new ArrayList<>());
+        assertFalse(OrderValidator.isValidOrderInfo(info));
+
+        List<OrderInfo.OrderLineDto> lines = new ArrayList<>();
+        lines.add(new OrderInfo.OrderLineDto(0, 2)); // bookId <= 0
+        info.setOrderLineDtos(lines);
+        assertFalse(OrderValidator.isValidOrderInfo(info));
+
+        lines.clear();
+        lines.add(new OrderInfo.OrderLineDto(1234567890123L, 0)); // quantity <= 0
+        info.setOrderLineDtos(lines);
+        assertFalse(OrderValidator.isValidOrderInfo(info));
+
+        lines.clear();
+        lines.add(new OrderInfo.OrderLineDto(1234567890123L, 2));
+        info.setOrderLineDtos(lines);
+        info.setPaymentMethod("CREDIT_CARD");
+        assertFalse(OrderValidator.isValidOrderInfo(info));
+
+        OrderInfo.Address address = new OrderInfo.Address("", "Paris", "75000", "France");
+        info.setAddress(address);
+        assertFalse(OrderValidator.isValidOrderInfo(info));
+
+        address = new OrderInfo.Address("1 rue", "", "75000", "France");
+        info.setAddress(address);
+        assertFalse(OrderValidator.isValidOrderInfo(info));
+
+        address = new OrderInfo.Address("1 rue", "Paris", "", "France");
+        info.setAddress(address);
+        assertFalse(OrderValidator.isValidOrderInfo(info));
+
+        address = new OrderInfo.Address("1 rue", "Paris", "75000", "");
+        info.setAddress(address);
+        assertFalse(OrderValidator.isValidOrderInfo(info));
+
+        address = new OrderInfo.Address("1 rue", "Paris", "75000", "France");
+        info.setAddress(address);
+        info.setPaymentMethod("UNKNOWN");
+        assertFalse(OrderValidator.isValidOrderInfo(info));
+    }
+}

src/test/java/fr/iut_fbleau/but3/dev62/mylibrary/review/converter/ReviewConverterTest.java

@@ -0,0 +1,64 @@
+package fr.iut_fbleau.but3.dev62.mylibrary.review.converter;
+
+import fr.iut_fbleau.but3.dev62.mylibrary.review.entity.Review;
+import fr.iut_fbleau.but3.dev62.mylibrary.review.ReviewDto;
+import org.junit.jupiter.api.Test;
+
+import java.util.UUID;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+class ReviewConverterTest {
+
+    @Test
+    void toDtoShouldConvertReviewToDto() {
+        UUID uuid = UUID.randomUUID();
+        Review review = Review.builder()
+                .reviewId(uuid)
+                .bookId(978333333L)
+                .customerName("Carol White")
+                .comment("Great book!")
+                .rating(5)
+                .build();
+
+        ReviewDto dto = ReviewConverter.toDto(review);
+
+        assertNotNull(dto);
+        assertEquals(uuid, dto.getReviewId());
+        assertEquals(978333333L, dto.getBookId());
+        assertEquals("Carol White", dto.getCustomerName());
+        assertEquals("Great book!", dto.getComment());
+        assertEquals(5, dto.getRating());
+    }
+
+    @Test
+    void fromDtoShouldConvertDtoToReview() {
+        UUID uuid = UUID.randomUUID();
+        ReviewDto dto = ReviewDto.builder()
+                .reviewId(uuid)
+                .bookId(978333333L)
+                .customerName("Carol White")
+                .comment("Great book!")
+                .rating(5)
+                .build();
+
+        Review review = ReviewConverter.fromDto(dto);
+
+        assertNotNull(review);
+        assertEquals(uuid, review.getReviewId());
+        assertEquals(978333333L, review.getBookId());
+        assertEquals("Carol White", review.getCustomerName());
+        assertEquals("Great book!", review.getComment());
+        assertEquals(5, review.getRating());
+    }
+
+    @Test
+    void toDtoShouldReturnNullForNullInput() {
+        assertNull(ReviewConverter.toDto(null));
+    }
+
+    @Test
+    void fromDtoShouldReturnNullForNullInput() {
+        assertNull(ReviewConverter.fromDto(null));
+    }
+}

src/test/java/fr/iut_fbleau/but3/dev62/mylibrary/review/entity/ReviewTest.java

@@ -0,0 +1,42 @@
+package fr.iut_fbleau.but3.dev62.mylibrary.review.entity;
+
+import org.junit.jupiter.api.Test;
+import java.util.UUID;
+import static org.junit.jupiter.api.Assertions.*;
+
+class ReviewTest {
+
+    @Test
+    void builderShouldCreateValidReview() {
+        UUID uuid = UUID.randomUUID();
+        Review review = Review.builder()
+            .reviewId(uuid)
+            .bookId(978333333L)
+            .customerName("Carol White")
+            .comment("Great book!")
+            .rating(5)
+            .build();
+
+        assertEquals(uuid, review.getReviewId());
+        assertEquals(978333333L, review.getBookId());
+        assertEquals("Carol White", review.getCustomerName());
+        assertEquals("Great book!", review.getComment());
+        assertEquals(5, review.getRating());
+    }
+
+    @Test
+    void reviewsWithSameIdShouldBeEqual() {
+        UUID uuid = UUID.randomUUID();
+        Review r1 = Review.builder().reviewId(uuid).build();
+        Review r2 = Review.builder().reviewId(uuid).build();
+        assertEquals(r1, r2);
+        assertEquals(r1.hashCode(), r2.hashCode());
+    }
+
+    @Test
+    void reviewsWithDifferentIdShouldNotBeEqual() {
+        Review r1 = Review.builder().reviewId(UUID.randomUUID()).build();
+        Review r2 = Review.builder().reviewId(UUID.randomUUID()).build();
+        assertNotEquals(r1, r2);
+    }
+}

src/test/java/fr/iut_fbleau/but3/dev62/mylibrary/review/exception/DuplicateReviewExceptionTest.java

@@ -0,0 +1,13 @@
+package fr.iut_fbleau.but3.dev62.mylibrary.review.exception;
+
+import org.junit.jupiter.api.Test;
+import static org.junit.jupiter.api.Assertions.*;
+
+class DuplicateReviewExceptionTest {
+
+    @Test
+    void testFormattedMessage() {
+        DuplicateReviewException ex = new DuplicateReviewException("c1", 1234567890123L);
+        assertEquals("A review already exists for customer c1 and book 1234567890123", ex.getMessage());
+    }
+}

src/test/java/fr/iut_fbleau/but3/dev62/mylibrary/review/exception/InvalidReviewExceptionTest.java

@@ -0,0 +1,13 @@
+package fr.iut_fbleau.but3.dev62.mylibrary.review.exception;
+
+import org.junit.jupiter.api.Test;
+import static org.junit.jupiter.api.Assertions.*;
+
+class InvalidReviewExceptionTest {
+
+    @Test
+    void testMessage() {
+        InvalidReviewException ex = new InvalidReviewException("Invalid review details");
+        assertEquals("Invalid review details", ex.getMessage());
+    }
+}

src/test/java/fr/iut_fbleau/but3/dev62/mylibrary/review/exception/ReviewNotAllowedExceptionTest.java

@@ -0,0 +1,13 @@
+package fr.iut_fbleau.but3.dev62.mylibrary.review.exception;
+
+import org.junit.jupiter.api.Test;
+import static org.junit.jupiter.api.Assertions.*;
+
+class ReviewNotAllowedExceptionTest {
+
+    @Test
+    void testFormattedMessage() {
+        ReviewNotAllowedException ex = new ReviewNotAllowedException("c2", 9876543210123L);
+        assertEquals("Customer c2 is not allowed to review book 9876543210123", ex.getMessage());
+    }
+}

src/test/java/fr/iut_fbleau/but3/dev62/mylibrary/review/exception/ReviewNotFoundExceptionTest.java

@@ -0,0 +1,13 @@
+package fr.iut_fbleau.but3.dev62.mylibrary.review.exception;
+
+import org.junit.jupiter.api.Test;
+import static org.junit.jupiter.api.Assertions.*;
+
+class ReviewNotFoundExceptionTest {
+
+    @Test
+    void testFormattedMessage() {
+        ReviewNotFoundException ex = new ReviewNotFoundException("rev-42");
+        assertEquals("The review with id rev-42 does not exist", ex.getMessage());
+    }
+}

src/test/java/fr/iut_fbleau/but3/dev62/mylibrary/review/repository/ReviewRepositoryTest.java

@@ -0,0 +1,72 @@
+package fr.iut_fbleau.but3.dev62.mylibrary.review.repository;
+
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+import java.util.*;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+public class ReviewRepositoryTest {
+
+    private ReviewRepository repository;
+
+    @BeforeEach
+    void setUp() {
+        repository = new ReviewRepository();
+    }
+
+    @Test
+    void testSaveAndFindById() {
+        Map<String, String> review = new HashMap<>();
+        review.put("reviewId", "11111111-1111-1111-1111-111111111111");
+        review.put("customerName", "Alice Smith");
+        review.put("bookId", "978333333");
+        repository.save(review);
+
+        Map<String, String> found = repository.findById("11111111-1111-1111-1111-111111111111");
+        assertNotNull(found);
+        assertEquals("Alice Smith", found.get("customerName"));
+    }
+
+    @Test
+    void testDeleteById() {
+        Map<String, String> review = new HashMap<>();
+        review.put("reviewId", "22222222-2222-2222-2222-222222222222");
+        repository.save(review);
+        assertTrue(repository.existsById("22222222-2222-2222-2222-222222222222"));
+        repository.deleteById("22222222-2222-2222-2222-222222222222");
+        assertFalse(repository.existsById("22222222-2222-2222-2222-222222222222"));
+    }
+
+    @Test
+    void testFindByCustomerName() {
+        Map<String, String> review1 = new HashMap<>();
+        review1.put("reviewId", "1");
+        review1.put("customerName", "Bob");
+        Map<String, String> review2 = new HashMap<>();
+        review2.put("reviewId", "2");
+        review2.put("customerName", "Alice");
+        repository.save(review1);
+        repository.save(review2);
+
+        List<Map<String, String>> found = repository.findByCustomerName("Alice");
+        assertEquals(1, found.size());
+        assertEquals("2", found.get(0).get("reviewId"));
+    }
+
+    @Test
+    void testFindByBookId() {
+        Map<String, String> review1 = new HashMap<>();
+        review1.put("reviewId", "1");
+        review1.put("bookId", "A");
+        Map<String, String> review2 = new HashMap<>();
+        review2.put("reviewId", "2");
+        review2.put("bookId", "B");
+        repository.save(review1);
+        repository.save(review2);
+
+        List<Map<String, String>> found = repository.findByBookId("A");
+        assertEquals(1, found.size());
+        assertEquals("1", found.get(0).get("reviewId"));
+    }
+}

src/test/java/fr/iut_fbleau/but3/dev62/mylibrary/review/usecase/ReviewUseCaseTest.java

@@ -0,0 +1,91 @@
+package fr.iut_fbleau.but3.dev62.mylibrary.review.usecase;
+
+import fr.iut_fbleau.but3.dev62.mylibrary.review.repository.ReviewRepository;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+
+import java.util.*;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+public class ReviewUseCaseTest {
+
+    private ReviewRepository repository;
+    private ReviewUseCase useCase;
+
+    @BeforeEach
+    void setUp() {
+        repository = new ReviewRepository();
+        useCase = new ReviewUseCase(repository);
+    }
+
+    @Test
+    void testSubmitReviewAndCount() {
+        Map<String, String> review = new HashMap<>();
+        review.put("customerId", "c1");
+        review.put("isbn", "978333333");
+        review.put("rating", "5");
+        review.put("customerName", "Alice Smith");
+        review.put("comment", "Super livre !");
+        String reviewId = useCase.submitReview(review);
+        assertNotNull(reviewId);
+        assertEquals(1, useCase.countReviews());
+    }
+
+    @Test
+    void testSubmitReviewInvalidDetails() {
+        Map<String, String> review = new HashMap<>();
+        review.put("customerId", "");
+        review.put("isbn", "978333333");
+        review.put("rating", "5");
+        assertThrows(IllegalArgumentException.class, () -> useCase.submitReview(review));
+    }
+
+    @Test
+    void testDeleteReview() {
+        Map<String, String> review = new HashMap<>();
+        review.put("customerId", "c1");
+        review.put("isbn", "978333333");
+        review.put("rating", "5");
+        review.put("customerName", "Alice Smith");
+        review.put("comment", "Super livre !");
+        String reviewId = useCase.submitReview(review);
+        assertEquals(1, useCase.countReviews());
+        useCase.deleteReview(reviewId);
+        assertEquals(0, useCase.countReviews());
+    }
+
+    @Test
+    void testDeleteReviewInvalidUUID() {
+        assertThrows(IllegalArgumentException.class, () -> useCase.deleteReview("not-a-uuid"));
+    }
+
+    @Test
+    void testDeleteReviewNotFound() {
+        String uuid = UUID.randomUUID().toString();
+        assertThrows(NoSuchElementException.class, () -> useCase.deleteReview(uuid));
+    }
+
+    @Test
+    void testGetReviewsByCustomerName() {
+        Map<String, String> review1 = new HashMap<>();
+        review1.put("customerId", "c1");
+        review1.put("isbn", "978333333");
+        review1.put("rating", "5");
+        review1.put("customerName", "Alice Smith");
+        review1.put("comment", "Super livre !");
+        useCase.submitReview(review1);
+
+        Map<String, String> review2 = new HashMap<>();
+        review2.put("customerId", "c2");
+        review2.put("isbn", "978444444");
+        review2.put("rating", "4");
+        review2.put("customerName", "Bob White");
+        review2.put("comment", "Bien !");
+        useCase.submitReview(review2);
+
+        List<Map<String, String>> aliceReviews = useCase.getReviewsByCustomerName("Alice Smith");
+        assertEquals(1, aliceReviews.size());
+        assertEquals("Alice Smith", aliceReviews.get(0).get("customerName"));
+    }
+}