✅ test passé

interface-contracts.json

@@ -19,6 +19,12 @@
       }
     },
 
+
+
+
+
+
+
     "PasserCommande": {
       "input": {
         "clientId": "uuid",
@@ -40,6 +46,12 @@
         "pointsFideliteGagnes": "integer"
       }
     },
+
+
+
+
+
+
     "GererAvis": {
       "input": {
         "clientId": "uuid",

src/main/java/fr/iut_fbleau/but3/dev62/mylibrary/commande/AdresseInfo.java

@@ -0,0 +1,3 @@
+package fr.iut_fbleau.but3.dev62.mylibrary.commande;
+
+public record AdresseInfo(String rue, String ville, String codePostal, String pays) {}

src/main/java/fr/iut_fbleau/but3/dev62/mylibrary/commande/CommandeDTO.java

@@ -0,0 +1,23 @@
+package fr.iut_fbleau.but3.dev62.mylibrary.commande;
+
+import lombok.Builder;
+import lombok.Getter;
+
+import java.util.List;
+import java.util.UUID;
+
+@Getter
+@Builder
+public class CommandeDTO {
+    private UUID clientId;
+    private List<LigneCommandeInfo> lignesCommande;
+    private String rue;
+    private String ville;
+    private String codePostal;
+    private String pays;
+    private String modePaiement;
+    private UUID commandeId ;
+    private  double  montantTotal ;
+    private  Integer  pointsFideliteGagnes ;
+
+}

src/main/java/fr/iut_fbleau/but3/dev62/mylibrary/commande/CommandeInfo.java

@@ -0,0 +1,6 @@
+package fr.iut_fbleau.but3.dev62.mylibrary.commande;
+
+import java.util.List;
+
+public record CommandeInfo(List<LigneCommandeInfo> listeLigne , String modePayement) {
+}

src/main/java/fr/iut_fbleau/but3/dev62/mylibrary/commande/LigneCommandeDTO.java

@@ -0,0 +1,15 @@
+package fr.iut_fbleau.but3.dev62.mylibrary.commande;
+
+
+import lombok.Builder;
+import lombok.Getter;
+
+import java.util.UUID;
+
+@Getter
+@Builder
+public class LigneCommandeDTO {
+
+    int quantite;
+    UUID id;
+}

src/main/java/fr/iut_fbleau/but3/dev62/mylibrary/commande/LigneCommandeInfo.java

@@ -0,0 +1,6 @@
+package fr.iut_fbleau.but3.dev62.mylibrary.commande;
+
+import java.util.UUID;
+
+public record LigneCommandeInfo(int quantite) {
+}

src/main/java/fr/iut_fbleau/but3/dev62/mylibrary/commande/ModePaiement.java

@@ -0,0 +1,7 @@
+package fr.iut_fbleau.but3.dev62.mylibrary.commande;
+
+public enum ModePaiement {
+    CB,
+    PAYPAL,
+    POINTS_FIDELITE,
+}

src/main/java/fr/iut_fbleau/but3/dev62/mylibrary/commande/converter/CommandeConverter.java

@@ -0,0 +1,59 @@
+package fr.iut_fbleau.but3.dev62.mylibrary.commande.converter;
+
+import fr.iut_fbleau.but3.dev62.mylibrary.commande.AdresseInfo;
+import fr.iut_fbleau.but3.dev62.mylibrary.commande.CommandeInfo;
+import fr.iut_fbleau.but3.dev62.mylibrary.commande.CommandeDTO;
+import fr.iut_fbleau.but3.dev62.mylibrary.commande.entity.Commande;
+
+public final class CommandeConverter {
+
+
+   public static Commande toDomain(CommandeInfo commandeInfo, AdresseInfo adressInfo, String modePaiement) {
+        return Commande.builder()
+                .lignesCommande(commandeInfo.listeLigne())
+                .rue(adressInfo.rue())
+                .ville(adressInfo.ville())
+                .codePostal(adressInfo.codePostal())
+                .pays(adressInfo.pays())
+                .modePaiement(commandeInfo.modePayement())
+                .build();
+    }
+
+    public static Commande toDomain(CommandeInfo commandeInfo, AdresseInfo adressInfo) {
+        return Commande.builder()
+                .lignesCommande(commandeInfo.listeLigne())
+                .rue(adressInfo.rue())
+                .ville(adressInfo.ville())
+                .codePostal(adressInfo.codePostal())
+                .pays(adressInfo.pays())
+                .modePaiement(commandeInfo.modePayement())
+                .build();
+    }
+
+    public static CommandeDTO toDTO(CommandeInfo commandeInfo, AdresseInfo adressInfo, String modePaiement) {
+        return CommandeDTO.builder()
+                .lignesCommande(commandeInfo.listeLigne())
+                .rue(adressInfo.rue())
+                .ville(adressInfo.ville())
+                .codePostal(adressInfo.codePostal())
+                .pays(adressInfo.pays())
+                .modePaiement(modePaiement)
+                .build();
+    }
+
+    public static CommandeDTO toDTO(Commande commande) {
+        return CommandeDTO.builder()
+                .lignesCommande(commande.getLignesCommande())
+                .rue(commande.getRue())
+                .ville(commande.getVille())
+                .codePostal(commande.getCodePostal())
+                .pays(commande.getPays())
+                .modePaiement(commande.getModePaiement())
+                .commandeId(commande.getCommandeId())
+                .clientId(commande.getClientId())
+                .montantTotal(commande.getMontantTotal())
+                .pointsFideliteGagnes(commande.getPointsFideliteGagnes())
+                .build();
+    }
+
+}

src/main/java/fr/iut_fbleau/but3/dev62/mylibrary/commande/converter/LigneCommandeConverter.java

@@ -0,0 +1,22 @@
+package fr.iut_fbleau.but3.dev62.mylibrary.commande.converter;
+
+import fr.iut_fbleau.but3.dev62.mylibrary.commande.LigneCommandeDTO;
+import fr.iut_fbleau.but3.dev62.mylibrary.commande.LigneCommandeInfo;
+import fr.iut_fbleau.but3.dev62.mylibrary.commande.entity.Commande;
+import fr.iut_fbleau.but3.dev62.mylibrary.commande.entity.LigneCommande;
+
+public final class LigneCommandeConverter {
+
+    public static LigneCommande toDomain(LigneCommandeInfo ligneCommandeInfo) {
+        return LigneCommande.builder()
+                .quantite(ligneCommandeInfo.quantite())
+                .build();
+    }
+
+    public static LigneCommandeDTO toDTO(LigneCommandeInfo ligneCommandeInfo) {
+        return LigneCommandeDTO.builder()
+                .quantite(ligneCommandeInfo.quantite())
+                .build();
+    }
+
+}

src/main/java/fr/iut_fbleau/but3/dev62/mylibrary/commande/entity/Commande.java

@@ -0,0 +1,44 @@
+package fr.iut_fbleau.but3.dev62.mylibrary.commande.entity;
+
+import fr.iut_fbleau.but3.dev62.mylibrary.commande.LigneCommandeInfo;
+import fr.iut_fbleau.but3.dev62.mylibrary.commande.ModePaiement;
+import lombok.Builder;
+import lombok.Getter;
+
+import java.util.List;
+import java.util.UUID;
+
+@Getter
+@Builder
+public class Commande {
+    private UUID clientId;
+    private List<LigneCommandeInfo> lignesCommande;
+    private String rue;
+    private String ville;
+    private String codePostal;
+    private String pays;
+    private String modePaiement;
+
+    private UUID commandeId ;
+    private  double  montantTotal ;
+    private  Integer  pointsFideliteGagnes ;
+
+    public void setRandomUUID() {
+        this.clientId = UUID.randomUUID();
+    }
+
+    public void setRandomUUIDCommande() {
+        this.commandeId = UUID.randomUUID();
+    }
+
+    public int convertPointsFidelite(){
+        if (this.montantTotal==0|| this.montantTotal<=0){
+            return 0;
+        }
+        return (int) Math.ceil(this.getMontantTotal());
+    }
+
+
+    // conversion point de fidéliter
+
+}

src/main/java/fr/iut_fbleau/but3/dev62/mylibrary/commande/entity/LigneCommande.java

@@ -0,0 +1,20 @@
+package fr.iut_fbleau.but3.dev62.mylibrary.commande.entity;
+
+
+import lombok.Builder;
+import lombok.Getter;
+
+import java.util.UUID;
+
+@Getter
+@Builder
+public class LigneCommande {
+
+    int quantite;
+    UUID livreId;
+
+    public void setRandomUUID() {
+        this.livreId = UUID.randomUUID();
+    }
+
+}

src/main/java/fr/iut_fbleau/but3/dev62/mylibrary/commande/exception/CommandeNotFoundException.java

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

src/main/java/fr/iut_fbleau/but3/dev62/mylibrary/commande/exception/NotValidAdressException.java

@@ -0,0 +1,7 @@
+package fr.iut_fbleau.but3.dev62.mylibrary.commande.exception;
+
+public class NotValidAdressException extends RuntimeException {
+    public NotValidAdressException(String message) {
+        super(message);
+    }
+}

src/main/java/fr/iut_fbleau/but3/dev62/mylibrary/commande/exception/NotValidCommandeException.java

@@ -0,0 +1,7 @@
+package fr.iut_fbleau.but3.dev62.mylibrary.commande.exception;
+
+public class NotValidCommandeException extends RuntimeException {
+    public NotValidCommandeException(String message) {
+        super(message);
+    }
+}

src/main/java/fr/iut_fbleau/but3/dev62/mylibrary/commande/exception/NotValidLigneCommandeException.java

@@ -0,0 +1,7 @@
+package fr.iut_fbleau.but3.dev62.mylibrary.commande.exception;
+
+public class NotValidLigneCommandeException extends RuntimeException {
+    public NotValidLigneCommandeException(String message) {
+        super(message);
+    }
+}

src/main/java/fr/iut_fbleau/but3/dev62/mylibrary/commande/repository/CommandeRepository.java

@@ -0,0 +1,47 @@
+package fr.iut_fbleau.but3.dev62.mylibrary.commande.repository;
+
+import fr.iut_fbleau.but3.dev62.mylibrary.commande.entity.Commande;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Optional;
+import java.util.UUID;
+
+public class CommandeRepository {
+
+    private final List<Commande> commande = new ArrayList<>();
+
+    public List<Commande> findAll(){return commande;}
+
+
+    public void deleteAll() {
+        commande.clear();
+    }
+
+    public Commande save(Commande newCommande){
+        Optional<Commande> optionalCommandeWithSameIsbn = this.findById(newCommande.getCommandeId());
+        optionalCommandeWithSameIsbn.ifPresent(commande::remove);
+        this.commande.add(newCommande);
+        return newCommande;
+    }
+
+    public Optional<Commande> findById(UUID uuid){
+        return this.commande.stream()
+                .filter(customer -> customer.getCommandeId().equals(uuid))
+                .findFirst();
+    }
+
+    public boolean existsById(UUID uuid) {
+        return this.commande.stream()
+                .anyMatch(customer -> customer.getCommandeId().equals(uuid));
+    }
+
+    public void delete(Commande commande) {
+        this.commande.remove(commande);
+    }
+
+
+    public void deleteById(UUID uuid) {
+        this.commande.removeIf(commande -> commande.getClientId().equals(uuid));
+    }
+}

src/main/java/fr/iut_fbleau/but3/dev62/mylibrary/commande/usecase/CommandeUseCase.java

@@ -0,0 +1,73 @@
+package fr.iut_fbleau.but3.dev62.mylibrary.commande.usecase;
+
+import fr.iut_fbleau.but3.dev62.mylibrary.commande.AdresseInfo;
+import fr.iut_fbleau.but3.dev62.mylibrary.commande.CommandeDTO;
+import fr.iut_fbleau.but3.dev62.mylibrary.commande.CommandeInfo;
+import fr.iut_fbleau.but3.dev62.mylibrary.commande.converter.CommandeConverter;
+import fr.iut_fbleau.but3.dev62.mylibrary.commande.entity.Commande;
+import fr.iut_fbleau.but3.dev62.mylibrary.commande.exception.CommandeNotFoundException;
+import fr.iut_fbleau.but3.dev62.mylibrary.commande.exception.NotValidCommandeException;
+import fr.iut_fbleau.but3.dev62.mylibrary.commande.repository.CommandeRepository;
+import fr.iut_fbleau.but3.dev62.mylibrary.commande.validator.CommandeValidator;
+
+import java.util.Optional;
+import java.util.UUID;
+
+public class CommandeUseCase {
+
+    private final CommandeRepository commandeRepository;
+
+    public CommandeUseCase(CommandeRepository commandeRepository) {
+        this.commandeRepository = commandeRepository;
+    }
+
+
+    public UUID registerCommande(CommandeInfo validCommandeInfo, AdresseInfo validAdresseInfo){
+        CommandeValidator.validate(validCommandeInfo);
+        CommandeValidator.validate(validAdresseInfo);
+
+        Commande commandeToRegister = CommandeConverter.toDomain(validCommandeInfo,validAdresseInfo);
+        Commande commandeToRegistered = commandeRepository.save(commandeToRegister) ;
+       return commandeToRegistered.getCommandeId();
+
+    }
+
+    public Optional<CommandeDTO> findCommandByUUID(UUID uuid) {
+        Optional<Commande> optionalCommande = commandeRepository.findById(uuid);
+        return optionalCommande.map(CommandeConverter::toDTO);
+    }
+
+    public CommandeDTO updateCommande(UUID uuid, CommandeInfo commandeInfo, AdresseInfo adresseInfo)
+            throws CommandeNotFoundException, NotValidCommandeException {
+        CommandeValidator.validate(commandeInfo);
+        CommandeValidator.validate(adresseInfo);
+        Commande commandeByUUID = getCommandeIfDoesNotExistThrowCommandeNotFoundException(
+                uuid);
+        Commande commande = Commande.builder()
+                .clientId(commandeByUUID.getClientId())
+                .lignesCommande(commandeInfo.listeLigne())
+                .rue(adresseInfo.rue())
+                .ville(adresseInfo.ville())
+                .codePostal(adresseInfo.codePostal())
+                .pays(adresseInfo.pays())
+                .modePaiement(commandeInfo.modePayement())
+                .commandeId(uuid)
+                .build();
+        Commande updatedCommande = commandeRepository.save(commande);
+        return CommandeConverter.toDTO(updatedCommande);
+    }
+
+    public void deleteCommande(UUID uuid) throws CommandeNotFoundException {
+        Commande commandeToDelete = getCommandeIfDoesNotExistThrowCommandeNotFoundException(uuid);
+        this.commandeRepository.delete(commandeToDelete);
+    }
+
+    private Commande getCommandeIfDoesNotExistThrowCommandeNotFoundException(UUID uuid)
+            throws CommandeNotFoundException {
+        Optional<Commande> optionalCommandeById = commandeRepository.findById(uuid);
+        if (optionalCommandeById.isEmpty()) {
+            throw new CommandeNotFoundException(uuid);
+        }
+        return optionalCommandeById.get();
+    }
+}

src/main/java/fr/iut_fbleau/but3/dev62/mylibrary/commande/validator/CommandeValidator.java

@@ -0,0 +1,87 @@
+package fr.iut_fbleau.but3.dev62.mylibrary.commande.validator;
+
+import fr.iut_fbleau.but3.dev62.mylibrary.commande.AdresseInfo;
+import fr.iut_fbleau.but3.dev62.mylibrary.commande.CommandeInfo;
+import fr.iut_fbleau.but3.dev62.mylibrary.commande.LigneCommandeInfo;
+import fr.iut_fbleau.but3.dev62.mylibrary.commande.exception.NotValidAdressException;
+import fr.iut_fbleau.but3.dev62.mylibrary.commande.exception.NotValidCommandeException;
+import fr.iut_fbleau.but3.dev62.mylibrary.commande.exception.NotValidLigneCommandeException;
+
+import java.util.Objects;
+
+public final class CommandeValidator {
+
+    public static final String LIGNE_COMMANDE_IS_NOT_VALIDE = "Ligne commande is not valide";
+    public static final String MODE_PAIEMENT_IS_NOT_VALIDE = "Mode Paiement is not valide";
+    public static final String LIST_LIGNE_COMANDE_IS_NOT_VALIDE = "List ligne commande is not valide";
+    public static final String STREET_IS_NOT_VALIDE = "rue is not valide";
+
+    public static final String CITY_IS_NOT_VALIDE = "city is not valide";
+    public static final String CODE_POSTAL_IS_NOT_VALIDE = "code postal is not valide";
+    public static final String COUNTRY_IS_NOT_VALIDE = "Country is not valide";
+
+
+    public static void validate(LigneCommandeInfo ligneCommandeInfo) {
+        if (ligneCommandeInfo.quantite()<=0){
+            throw new NotValidLigneCommandeException(LIGNE_COMMANDE_IS_NOT_VALIDE);
+        }
+    }
+
+    public static void validate(CommandeInfo commandeInfo) {
+
+        validateModePaiement(commandeInfo);
+        validateListLigneCommande(commandeInfo);
+    }
+
+    public static void validate(AdresseInfo adresseInfo) {
+        validateStreet(adresseInfo);
+        validateCity(adresseInfo);
+        validateCodePostal(adresseInfo);
+        validateCountry(adresseInfo);
+    }
+
+
+
+    private static void validateModePaiement(CommandeInfo commandeInfo) {
+        if(commandeInfo.modePayement()!="CB"&& commandeInfo.modePayement()!="PAYPAL"&& commandeInfo.modePayement()!="POINTS_FIDELITE"){
+            throw new NotValidCommandeException(MODE_PAIEMENT_IS_NOT_VALIDE);
+        }
+    }
+
+    private static void validateListLigneCommande(CommandeInfo commandeInfo) {
+        if (commandeInfo.listeLigne() == null
+                || commandeInfo.listeLigne().isEmpty()
+                || commandeInfo.listeLigne().stream().anyMatch(Objects::isNull)){
+            throw new NotValidCommandeException(LIST_LIGNE_COMANDE_IS_NOT_VALIDE);
+        }
+
+    }
+
+    private static void validateStreet(AdresseInfo adresseInfo) {
+        if (adresseInfo.rue() == null || adresseInfo.rue().isBlank()){
+            throw new NotValidAdressException(STREET_IS_NOT_VALIDE);
+        }
+    }
+    private static void validateCity(AdresseInfo adresseInfo) {
+        if (adresseInfo.ville() == null || adresseInfo.ville().isBlank()){
+            throw new NotValidAdressException(CITY_IS_NOT_VALIDE);
+        }
+    }
+
+    private static void validateCodePostal(AdresseInfo adresseInfo) {
+        if (adresseInfo.codePostal() == null || adresseInfo.codePostal().isBlank()){
+            throw new NotValidAdressException(CODE_POSTAL_IS_NOT_VALIDE);
+        }
+    }
+
+    private static void validateCountry(AdresseInfo adresseInfo) {
+        if (adresseInfo.pays() == null || adresseInfo.pays().isBlank()){
+            throw new NotValidAdressException(COUNTRY_IS_NOT_VALIDE);
+        }
+    }
+
+
+
+
+
+}

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

@@ -1,13 +1,13 @@
 package fr.iut_fbleau.but3.dev62.mylibrary.subscription;
 
-public enum SubscriptionDurationDesired {
+public enum DesiredSubscriptionDuration {
     THREE(3),
     SIX(6),
     TWELVE(12);
 
     private final Integer value;
 
-    SubscriptionDurationDesired(Integer value) {
+    DesiredSubscriptionDuration(Integer value) {
         this.value = value;
     }
 

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

@@ -13,7 +13,7 @@ public class SubscriptionDTO {
 
     private UUID subscriptionId;
     private UUID customerId;
-    private Integer subscriptionDurationDesired;
+    private Integer desiredSubscriptionDuration;
     private PaymentMethod paymentMethod;
     private LocalDate desiredStartDate;
     private LocalDate startDate;

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

@@ -2,5 +2,5 @@ package fr.iut_fbleau.but3.dev62.mylibrary.subscription;
 
 import java.time.LocalDate;
 
-public record SubscriptionInfo(Integer subscriptionDurationDesired, LocalDate desiredStartDate) {
+public record SubscriptionInfo(Integer desiredSubscriptionDuration, LocalDate desiredStartDate) {
 }

src/main/java/fr/iut_fbleau/but3/dev62/mylibrary/subscription/converter/SubscriptionConverter.java

@@ -19,11 +19,11 @@ public class SubscriptionConverter {
                 .details(newPaymentMethod.details())
                 .build();
         return Subscription.builder()
-                .subscriptionDurationDesired(newSubscription.subscriptionDurationDesired())
+                .desiredSubscriptionDuration(newSubscription.desiredSubscriptionDuration())
                 .paymentMethod(paymentMethod)
                 .desiredStartDate(newSubscription.desiredStartDate())
                 .startDate(newSubscription.desiredStartDate())
-                .endDate(newSubscription.desiredStartDate().plusMonths(newSubscription.subscriptionDurationDesired()))
+                .endDate(newSubscription.desiredStartDate().plusMonths(newSubscription.desiredSubscriptionDuration()))
                 .monthlyAmount(0)
                 .build();
     }
@@ -32,7 +32,7 @@ public class SubscriptionConverter {
         return SubscriptionDTO.builder()
                 .subscriptionId(subscription.getSubscriptionId())
                 .customerId(subscription.getCustomerId())
-                .subscriptionDurationDesired(subscription.getSubscriptionDurationDesired())
+                .desiredSubscriptionDuration(subscription.getDesiredSubscriptionDuration())
                 .paymentMethod(subscription.getPaymentMethod())
                 .desiredStartDate(subscription.getDesiredStartDate())
                 .startDate(subscription.getStartDate())

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

@@ -12,7 +12,7 @@ public class Subscription {
 
     private UUID subscriptionId;
     private UUID customerId;
-    private Integer subscriptionDurationDesired;
+    private Integer desiredSubscriptionDuration;
     private PaymentMethod paymentMethod;
     private LocalDate desiredStartDate;
     private LocalDate startDate;
@@ -34,7 +34,7 @@ public class Subscription {
     }
 
     public void setEndDate(){
-        this.endDate = this.desiredStartDate.plusMonths(this.subscriptionDurationDesired);
+        this.endDate = this.desiredStartDate.plusMonths(this.desiredSubscriptionDuration);
     }
 
     public void setDateSubscription(){

src/main/java/fr/iut_fbleau/but3/dev62/mylibrary/subscription/exception/SubscriptionNotFoundException.java

@@ -0,0 +1,21 @@
+package fr.iut_fbleau.but3.dev62.mylibrary.subscription.exception;
+
+import java.text.MessageFormat;
+import java.util.Optional;
+import java.util.UUID;
+
+public class SubscriptionNotFoundException extends RuntimeException {
+    public static final String THE_SUBSCRIPTION_WITH_CUSTOMER_ID_DOES_NOT_EXIST_MESSAGE = "The subscriptions with the customer id {0} does not exists";
+    public static final String THE_SUBSCRIPTION_WITH_SUBSCRIPTION_ID_DOES_NOT_EXIST_MESSAGE = "The subscription with subscription id {0} does not exists";
+
+    public SubscriptionNotFoundException(Optional<UUID> customerUUID, Optional<UUID> subscriptionUUID) {
+        super(buildMessage(customerUUID, subscriptionUUID));
+    }
+
+    private static String buildMessage(Optional<UUID> customerUUID, Optional<UUID> subscriptionUUID) {
+        if (customerUUID.isPresent()) {
+            return MessageFormat.format(THE_SUBSCRIPTION_WITH_CUSTOMER_ID_DOES_NOT_EXIST_MESSAGE, customerUUID.get());
+        }
+        return MessageFormat.format(THE_SUBSCRIPTION_WITH_SUBSCRIPTION_ID_DOES_NOT_EXIST_MESSAGE, subscriptionUUID.get());
+    }
+}

src/main/java/fr/iut_fbleau/but3/dev62/mylibrary/subscription/repository/SubscriptionRepository.java

@@ -0,0 +1,62 @@
+package fr.iut_fbleau.but3.dev62.mylibrary.subscription.repository;
+
+import fr.iut_fbleau.but3.dev62.mylibrary.subscription.entity.Subscription;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Optional;
+import java.util.UUID;
+
+public class SubscriptionRepository {
+
+    private final List<Subscription> subscriptions = new ArrayList<>();
+
+    public List<Subscription> findAll() {
+
+        return subscriptions;
+    }
+
+    public void deleteAll() {
+
+        subscriptions.clear();
+    }
+
+    public Subscription save(Subscription newSubscription) {
+        Optional<Subscription> optionalSubscriptionWithSameSubscriptionId = this.findBySubscriptionId(newSubscription.getSubscriptionId());
+        optionalSubscriptionWithSameSubscriptionId.ifPresent(subscriptions::remove);
+        this.subscriptions.add(newSubscription);
+        return newSubscription;
+    }
+
+    public List<Subscription> FindByCustomerId(UUID customerUUID) {
+        return this.subscriptions.stream()
+                .filter(subscription -> subscription.getCustomerId().equals(customerUUID))
+                .toList();
+    }
+
+    public Optional<Subscription> findBySubscriptionId(UUID subscriptionUUID) {
+        return this.subscriptions.stream()
+                .filter(subscription -> subscription.getSubscriptionId().equals(subscriptionUUID))
+                .findFirst();
+    }
+
+    public boolean existsByCustomerId(UUID customerUUID) {
+        return this.subscriptions.stream()
+                .anyMatch(review -> review.getCustomerId().equals(customerUUID));
+    }
+
+    public boolean existsBySubscriptionId(UUID subscriptionUUID) {
+        return this.subscriptions.stream()
+                .anyMatch(subscription -> subscription.getSubscriptionId().equals(subscriptionUUID));
+    }
+
+    public void deleteByCustomerId(UUID customerUUID) {
+
+        this.subscriptions.removeIf(subscription -> subscription.getCustomerId().equals(customerUUID));
+    }
+
+    public void delete(Subscription subscription) {
+
+        this.subscriptions.remove(subscription);
+    }
+}

src/main/java/fr/iut_fbleau/but3/dev62/mylibrary/subscription/usecase/SubscriptionUseCase.java

@@ -0,0 +1,110 @@
+package fr.iut_fbleau.but3.dev62.mylibrary.subscription.usecase;
+
+import fr.iut_fbleau.but3.dev62.mylibrary.subscription.PaymentMethodInfo;
+import fr.iut_fbleau.but3.dev62.mylibrary.subscription.SubscriptionDTO;
+import fr.iut_fbleau.but3.dev62.mylibrary.subscription.SubscriptionInfo;
+import fr.iut_fbleau.but3.dev62.mylibrary.subscription.converter.SubscriptionConverter;
+import fr.iut_fbleau.but3.dev62.mylibrary.subscription.entity.PaymentMethod;
+import fr.iut_fbleau.but3.dev62.mylibrary.subscription.entity.Subscription;
+import fr.iut_fbleau.but3.dev62.mylibrary.subscription.exception.NotValidSubscriptionException;
+import fr.iut_fbleau.but3.dev62.mylibrary.subscription.exception.SubscriptionNotFoundException;
+import fr.iut_fbleau.but3.dev62.mylibrary.subscription.repository.SubscriptionRepository;
+import fr.iut_fbleau.but3.dev62.mylibrary.subscription.validator.PaymentMethodValidator;
+import fr.iut_fbleau.but3.dev62.mylibrary.subscription.validator.SubscriptionValidator;
+
+import java.util.*;
+
+public class SubscriptionUseCase {
+
+    private final SubscriptionRepository subscriptionRepository;
+
+    public SubscriptionUseCase(SubscriptionRepository subscriptionRepository) {
+
+        this.subscriptionRepository = subscriptionRepository;
+    }
+
+    private Map<String, Object> Output(Subscription subscription){
+        Map<String, Object> result = new HashMap<>();
+
+        result.put("subscriptionId", subscription.getSubscriptionId());
+        result.put("startDate", subscription.getStartDate());
+        result.put("endDate", subscription.getEndDate());
+        result.put("monthlyAmount", subscription.getMonthlyAmount());
+
+        return result;
+    }
+
+    public Map<String, Object> registerSubscription(SubscriptionInfo newSubscription, PaymentMethodInfo newPaymentMethod)
+            throws NotValidSubscriptionException {
+        SubscriptionValidator.validate(newSubscription);
+        PaymentMethodValidator.validate(newPaymentMethod);
+        Subscription subscriptionToRegister = SubscriptionConverter.toDomain(newSubscription, newPaymentMethod);
+        Subscription subscriptionToRegistered = subscriptionRepository.save(subscriptionToRegister);
+        return Output(subscriptionToRegistered);
+    }
+
+    public List<SubscriptionDTO> findSubscriptionByCustomerId(UUID customerId) {
+        List<Subscription> optionalSubscriptions = subscriptionRepository.FindByCustomerId(customerId);
+        return optionalSubscriptions.stream()
+                .map(SubscriptionConverter::toDTO)
+                .toList();
+    }
+
+    public Optional<SubscriptionDTO> findSubscriptionBySubscriptionId(UUID subscriptionId) {
+        Optional<Subscription> optionalSubscription = subscriptionRepository.findBySubscriptionId(subscriptionId);
+        return optionalSubscription.map(SubscriptionConverter::toDTO);
+    }
+
+    public SubscriptionDTO updateSubscription(UUID SubscriptionUUID, SubscriptionInfo subscriptionInfo, PaymentMethodInfo paymentMethodInfo)
+            throws SubscriptionNotFoundException, NotValidSubscriptionException {
+        SubscriptionValidator.validate(subscriptionInfo);
+        PaymentMethodValidator.validate(paymentMethodInfo);
+        Subscription subscriptionBySubscriptionUUID = getSubscriptionIfDoesNotExistThrowSubscriptionNotFoundException(
+                SubscriptionUUID);
+        PaymentMethod paymentMethod = PaymentMethod.builder()
+                .paymentType(paymentMethodInfo.paymentType())
+                .details(paymentMethodInfo.details())
+                .build();
+        Subscription subscription = Subscription.builder()
+                .subscriptionId(SubscriptionUUID)
+                .customerId(subscriptionBySubscriptionUUID.getCustomerId())
+                .desiredSubscriptionDuration(subscriptionInfo.desiredSubscriptionDuration())
+                .paymentMethod(paymentMethod)
+                .desiredStartDate(subscriptionInfo.desiredStartDate())
+                .monthlyAmount(subscriptionBySubscriptionUUID.getMonthlyAmount())
+                .build();
+        subscription.setDateSubscription();
+        Subscription updatedSubscription = subscriptionRepository.save(subscription);
+        return SubscriptionConverter.toDTO(updatedSubscription);
+    }
+
+    public void deleteSubscription(UUID subscriptionUUID) throws SubscriptionNotFoundException {
+        Subscription subscriptionToDelete = getSubscriptionIfDoesNotExistThrowSubscriptionNotFoundException(subscriptionUUID);
+        this.subscriptionRepository.delete(subscriptionToDelete);
+    }
+
+    public void deleteSubscriptionsOfACustomer(UUID customerUUID) throws SubscriptionNotFoundException {
+        List<Subscription> subscriptionsToDelete = getSubscriptionByCustomerIdIfDoesNotExistThrowSubscriptionNotFoundException(customerUUID);
+        for (Subscription subscription : subscriptionsToDelete) {
+            subscriptionRepository.delete(subscription);
+        }
+    }
+
+    private Subscription getSubscriptionIfDoesNotExistThrowSubscriptionNotFoundException(UUID subscriptionUUID)
+            throws SubscriptionNotFoundException {
+        Optional<Subscription> optionalSubscriptionBySubscriptionId = subscriptionRepository.findBySubscriptionId(subscriptionUUID);
+        if (optionalSubscriptionBySubscriptionId.isEmpty()) {
+            throw new SubscriptionNotFoundException(Optional.empty(),Optional.of(subscriptionUUID));
+        }
+        return optionalSubscriptionBySubscriptionId.get();
+    }
+
+    private List<Subscription> getSubscriptionByCustomerIdIfDoesNotExistThrowSubscriptionNotFoundException(UUID customerUUID)
+            throws SubscriptionNotFoundException {
+        List<Subscription> optionalSubscriptionBySubscriptionId = subscriptionRepository.FindByCustomerId(customerUUID);
+        if (optionalSubscriptionBySubscriptionId.isEmpty()) {
+            throw new SubscriptionNotFoundException(Optional.of(customerUUID),Optional.empty());
+        }
+        return optionalSubscriptionBySubscriptionId;
+    }
+}

src/main/java/fr/iut_fbleau/but3/dev62/mylibrary/subscription/validator/SubscriptionValidator.java

@@ -8,7 +8,7 @@ import java.util.Set;
 
 public class SubscriptionValidator {
 
-    public static final String SUBSCRIPTION_DURATION_DESIRED_IS_NOT_VALID = "subscriptionDurationDesired will be 3, 6 or 12 by the ENUM file SubscriptionDurationDesired";
+    public static final String SUBSCRIPTION_DURATION_DESIRED_IS_NOT_VALID = "desiredSubscriptionDuration will be 3, 6 or 12 by the ENUM file SubscriptionDurationDesired";
     public static final String DESIRED_START_DATE_CANNOT_BE_BEFORE_TODAY = "desiredStartDate cannot be before today";
 
     private SubscriptionValidator() {
@@ -23,7 +23,7 @@ public class SubscriptionValidator {
     private static void validateSubscriptionDurationDesired(SubscriptionInfo newSubscription)
             throws NotValidSubscriptionException {
         Set<Integer> VALID_DURATIONS = Set.of(3, 6, 12);
-        if (!VALID_DURATIONS.contains(newSubscription.subscriptionDurationDesired())) {
+        if (!VALID_DURATIONS.contains(newSubscription.desiredSubscriptionDuration())) {
             throw new NotValidSubscriptionException(SUBSCRIPTION_DURATION_DESIRED_IS_NOT_VALID);}
     }
 

src/test/java/fr/iut_fbleau/but3/dev62/mylibrary/commande/converter/CommandeConverterTest.java

@@ -0,0 +1,65 @@
+package fr.iut_fbleau.but3.dev62.mylibrary.commande.converter;
+
+import fr.iut_fbleau.but3.dev62.mylibrary.commande.*;
+import fr.iut_fbleau.but3.dev62.mylibrary.commande.entity.Commande;
+import org.junit.jupiter.api.Test;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertNotNull;
+
+public class CommandeConverterTest {
+
+
+    @Test
+    void TestConvertCommandeToDomain(){
+        String modePaiement = ModePaiement.CB.name();
+        List<LigneCommandeInfo> listLigne = new ArrayList<>();
+        LigneCommandeInfo ligne = new LigneCommandeInfo(12);
+        LigneCommandeInfo ligne2 = new LigneCommandeInfo(14);
+        listLigne.add(ligne);
+        listLigne.add(ligne2);
+        CommandeInfo commandeInfo = new CommandeInfo(listLigne,modePaiement);
+        AdresseInfo adressInfo = new AdresseInfo("rue du cheval","La Rochette","77000","France");
+
+
+        Commande result = CommandeConverter.toDomain(commandeInfo,adressInfo,modePaiement);
+
+
+        assertNotNull(result);
+        assertEquals(commandeInfo.listeLigne(), result.getLignesCommande());
+        assertEquals(adressInfo.rue() , result.getRue());
+        assertEquals(adressInfo.ville() , result.getVille());
+        assertEquals(adressInfo.codePostal() , result.getCodePostal());
+        assertEquals(adressInfo.pays() , result.getPays());
+        assertEquals(  modePaiement,result.getModePaiement());
+    }
+
+    @Test
+    void TestConvertCommandeToDTO(){
+        String modePaiement = ModePaiement.CB.name();
+        List<LigneCommandeInfo> listLigne = new ArrayList<>();
+        LigneCommandeInfo ligne = new LigneCommandeInfo(12);
+        LigneCommandeInfo ligne2 = new LigneCommandeInfo(14);
+        listLigne.add(ligne);
+        listLigne.add(ligne2);
+        CommandeInfo commandeInfo = new CommandeInfo(listLigne,modePaiement);
+        AdresseInfo adressInfo = new AdresseInfo("rue du cheval","La Rochette","77000","France");
+
+
+        CommandeDTO result = CommandeConverter.toDTO(commandeInfo,adressInfo,modePaiement);
+
+
+        assertNotNull(result);
+        assertEquals(commandeInfo.listeLigne(), result.getLignesCommande());
+        assertEquals(adressInfo.rue() , result.getRue());
+        assertEquals(adressInfo.ville() , result.getVille());
+        assertEquals(adressInfo.codePostal() , result.getCodePostal());
+        assertEquals(adressInfo.pays() , result.getPays());
+        assertEquals(  modePaiement,result.getModePaiement());
+    }
+
+
+}

src/test/java/fr/iut_fbleau/but3/dev62/mylibrary/commande/converter/LigneCommandeConverterTest.java

@@ -0,0 +1,35 @@
+package fr.iut_fbleau.but3.dev62.mylibrary.commande.converter;
+
+import fr.iut_fbleau.but3.dev62.mylibrary.commande.LigneCommandeDTO;
+import fr.iut_fbleau.but3.dev62.mylibrary.commande.LigneCommandeInfo;
+import fr.iut_fbleau.but3.dev62.mylibrary.commande.entity.LigneCommande;
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+public class LigneCommandeConverterTest {
+
+
+    @Test
+    void TestConvertLigneCommandeToDomain(){
+        LigneCommandeInfo ligne = new LigneCommandeInfo(12);
+
+        LigneCommande result = LigneCommandeConverter.toDomain(ligne);
+
+
+        assertEquals(ligne.quantite(),result.getQuantite());
+
+    }
+
+    @Test
+    void TestConvertLigneCommandeToDTO(){
+        LigneCommandeInfo ligne = new LigneCommandeInfo(12);
+
+        LigneCommandeDTO result = LigneCommandeConverter.toDTO(ligne);
+
+
+        assertEquals(ligne.quantite(),result.getQuantite());
+
+    }
+
+}

src/test/java/fr/iut_fbleau/but3/dev62/mylibrary/commande/entity/CommandeTest.java

@@ -0,0 +1,104 @@
+package fr.iut_fbleau.but3.dev62.mylibrary.commande.entity;
+
+import fr.iut_fbleau.but3.dev62.mylibrary.commande.LigneCommandeInfo;
+import fr.iut_fbleau.but3.dev62.mylibrary.commande.ModePaiement;
+import org.junit.jupiter.api.DisplayName;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.params.ParameterizedTest;
+import org.junit.jupiter.params.provider.ValueSource;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.UUID;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+public class CommandeTest {
+    @Test
+    public void commandeTest(){
+
+        UUID clientId = UUID.randomUUID();
+        List<LigneCommandeInfo> lignesCommande =  new ArrayList<>();
+        LigneCommandeInfo commande1 = new LigneCommandeInfo(12);
+        LigneCommandeInfo commande2 = new LigneCommandeInfo(13);
+        lignesCommande.add(commande1);
+        lignesCommande.add(commande2);
+        String rue = "rue du chien" ;
+        String ville = "LKa Rochette" ;
+        String codePostal = "7700" ;
+        String pays = "France" ;
+        String modePayement = ModePaiement.CB.name() ;
+
+        Commande commande = Commande.builder()
+                .clientId(clientId)
+                .lignesCommande(lignesCommande)
+                .rue(rue)
+                .ville(ville)
+                .codePostal(codePostal)
+                .pays(pays)
+                .modePaiement(modePayement)
+                .build();
+
+        assertEquals(clientId, commande.getClientId());
+        assertEquals(lignesCommande, commande.getLignesCommande());
+        assertEquals(rue, commande.getRue());
+        assertEquals(ville, commande.getVille());
+        assertEquals(codePostal, commande.getCodePostal());
+        assertEquals(pays, commande.getPays());
+        assertEquals(modePayement, commande.getModePaiement());
+    }
+
+
+
+    @Test
+    @DisplayName("setRandomUUID should change the ID to a new random UUID")
+    void testSetRandomUUID() {
+        Commande commande = Commande.builder().build();
+        UUID originalId = commande.getClientId();
+
+        commande.setRandomUUID();
+
+        assertNotNull(commande.getClientId());
+        assertNotEquals(originalId, commande.getClientId());
+    }
+
+    @Test
+    @DisplayName("setRandomUUID should change the ID to a new random UUID")
+    void testSetRandomUUIDForCommande() {
+        Commande commande = Commande.builder().build();
+        UUID originalId = commande.getCommandeId();
+
+        commande.setRandomUUIDCommande();
+
+        assertNotNull(commande.getCommandeId());
+        assertNotEquals(originalId, commande.getCommandeId());
+    }
+
+
+    @Test
+    void testConvertPointsFideliteGagnes(){
+        Commande commande = Commande.builder()
+                .montantTotal(14.34)
+                .build();
+       Integer point =  commande.convertPointsFidelite();
+
+        assertEquals(point,(int) Math.ceil(commande.getMontantTotal()));
+    }
+
+    @ParameterizedTest
+    @ValueSource(doubles = {-1.9,0.0})
+    void testConvertPointsFideliteGagnesWhenMontantTotalIsNotGood(){
+        Commande commande = Commande.builder()
+                .montantTotal(14.34)
+                .build();
+        Integer point =  commande.convertPointsFidelite();
+
+        assertEquals(point,(int) Math.ceil(commande.getMontantTotal()));
+    }
+
+
+
+
+
+
+}

src/test/java/fr/iut_fbleau/but3/dev62/mylibrary/commande/entity/LigneCommandeTest.java

@@ -0,0 +1,41 @@
+package fr.iut_fbleau.but3.dev62.mylibrary.commande.entity;
+
+import fr.iut_fbleau.but3.dev62.mylibrary.customer.entity.Customer;
+import org.junit.jupiter.api.DisplayName;
+import org.junit.jupiter.api.Test;
+
+import java.util.UUID;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+public class LigneCommandeTest {
+
+    @Test
+    @DisplayName("Builder should create a valid LigneCommande instance")
+    void TestLigneCommande() {
+        UUID id = UUID.randomUUID();
+        int quantite = 12;
+
+
+        LigneCommande ligneCommande = LigneCommande.builder()
+                                                    .livreId(id)
+                                                    .quantite(quantite)
+                                                    .build();
+
+        assertEquals(id, ligneCommande.getLivreId());
+        assertEquals(quantite, ligneCommande.getQuantite());
+
+    }
+
+    @Test
+    @DisplayName("setRandomUUID should change the ID to a new random UUID")
+    void testSetRandomUUID() {
+        LigneCommande ligneCommande = LigneCommande.builder().build();
+        UUID originalId = ligneCommande.getLivreId();
+
+        ligneCommande.setRandomUUID();
+
+        assertNotNull(ligneCommande.getLivreId());
+        assertNotEquals(originalId, ligneCommande.getLivreId());
+    }
+}

src/test/java/fr/iut_fbleau/but3/dev62/mylibrary/commande/exception/valid/CommandeNotFoundEsceptionTest.java

@@ -0,0 +1,50 @@
+package fr.iut_fbleau.but3.dev62.mylibrary.commande.exception.valid;
+
+import fr.iut_fbleau.but3.dev62.mylibrary.commande.exception.CommandeNotFoundException;
+import org.junit.jupiter.api.DisplayName;
+import org.junit.jupiter.api.Test;
+
+import java.util.UUID;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertTrue;
+
+public class CommandeNotFoundEsceptionTest {
+
+    @Test
+    @DisplayName("Exception message should contain the UUID provided")
+    void testExceptionMessageContainsUUID() {
+        UUID uuid = UUID.randomUUID();
+
+        CommandeNotFoundException exception = new CommandeNotFoundException(uuid);
+
+        String expectedMessage = String.format("The commande with id %s does not exist", uuid);
+        assertEquals(expectedMessage, exception.getMessage());
+    }
+
+    @Test
+    @DisplayName("Exception should use the correct constant message format")
+    void testExceptionUsesConstantMessageFormat() {
+        UUID uuid = UUID.randomUUID();
+
+        CommandeNotFoundException exception = new CommandeNotFoundException(uuid);
+
+        String expectedFormatWithPlaceholder = "The commande with id {0} does not exist";
+        assertEquals(CommandeNotFoundException.THE_COMMANDE_WITH_ID_DOES_NOT_EXIST_MESSAGE,
+                expectedFormatWithPlaceholder);
+        assertTrue(exception.getMessage().contains(uuid.toString()));
+    }
+
+    @Test
+    @DisplayName("Exception should be properly thrown and caught")
+    void testExceptionCanBeThrownAndCaught() {
+        UUID uuid = UUID.randomUUID();
+
+        try {
+            throw new CommandeNotFoundException(uuid);
+        } catch (CommandeNotFoundException e) {
+            String expectedMessage = String.format("The commande with id %s does not exist", uuid);
+            assertEquals(expectedMessage, e.getMessage());
+        }
+    }
+}

src/test/java/fr/iut_fbleau/but3/dev62/mylibrary/commande/exception/valid/NotValidAdressExceptionTest.java

@@ -0,0 +1,67 @@
+package fr.iut_fbleau.but3.dev62.mylibrary.commande.exception.valid;
+
+import fr.iut_fbleau.but3.dev62.mylibrary.commande.exception.NotValidAdressException;
+import org.junit.jupiter.api.DisplayName;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.params.ParameterizedTest;
+import org.junit.jupiter.params.provider.ValueSource;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertThrows;
+
+public class NotValidAdressExceptionTest {
+
+    @Test
+    @DisplayName("Exception should be created with the provided message")
+    void testExceptionCreation() {
+        String errorMessage = "Adresse is not valid";
+
+        NotValidAdressException exception = new NotValidAdressException(errorMessage);
+
+        assertEquals(errorMessage, exception.getMessage());
+    }
+
+    @ParameterizedTest
+    @ValueSource(strings = {
+            "rue is not valide",
+            "city is not valide",
+            "code postal is not valide",
+            "Country is not valide"
+    })
+    @DisplayName("Exception should handle different validation messages")
+    void testExceptionWithDifferentMessages(String errorMessage) {
+        NotValidAdressException exception = new NotValidAdressException(errorMessage);
+
+        assertEquals(errorMessage, exception.getMessage());
+    }
+
+    @Test
+    @DisplayName("Exception should be properly thrown and caught")
+    void testExceptionCanBeThrownAndCaught() {
+        String errorMessage = "Required field is missing";
+
+        Exception exception = assertThrows(NotValidAdressException.class, () -> {
+            throw new NotValidAdressException(errorMessage);
+        });
+
+        assertEquals(errorMessage, exception.getMessage());
+    }
+
+    @Test
+    @DisplayName("Exception should be catchable as a general Exception")
+    void testExceptionInheritance() {
+        String errorMessage = "Invalid Adresse ";
+
+        try {
+            throw new NotValidAdressException(errorMessage);
+        } catch (Exception e) {
+            assertEquals(NotValidAdressException.class, e.getClass());
+            assertEquals(errorMessage, e.getMessage());
+        }
+    }
+
+
+
+
+
+}

src/test/java/fr/iut_fbleau/but3/dev62/mylibrary/commande/exception/valid/NotValidCommandeExceptionTest.java

@@ -0,0 +1,61 @@
+package fr.iut_fbleau.but3.dev62.mylibrary.commande.exception.valid;
+
+import fr.iut_fbleau.but3.dev62.mylibrary.commande.exception.NotValidCommandeException;
+import org.junit.jupiter.api.DisplayName;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.params.ParameterizedTest;
+import org.junit.jupiter.params.provider.ValueSource;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertThrows;
+
+public class NotValidCommandeExceptionTest {
+
+    @Test
+    @DisplayName("Exception should be created with the provided message")
+    void testExceptionCreation() {
+        String errorMessage = "Commande is not valid";
+
+        NotValidCommandeException exception = new NotValidCommandeException(errorMessage);
+
+        assertEquals(errorMessage, exception.getMessage());
+    }
+
+    @ParameterizedTest
+    @ValueSource(strings = {
+            "Mode Paiement is not valide",
+            "List ligne commande is not valide"
+    })
+    @DisplayName("Exception should handle different validation messages")
+    void testExceptionWithDifferentMessages(String errorMessage) {
+        NotValidCommandeException exception = new NotValidCommandeException(errorMessage);
+
+        assertEquals(errorMessage, exception.getMessage());
+    }
+
+    @Test
+    @DisplayName("Exception should be properly thrown and caught")
+    void testExceptionCanBeThrownAndCaught() {
+        String errorMessage = "Required field is missing";
+
+        Exception exception = assertThrows(NotValidCommandeException.class, () -> {
+            throw new NotValidCommandeException(errorMessage);
+        });
+
+        assertEquals(errorMessage, exception.getMessage());
+    }
+
+    @Test
+    @DisplayName("Exception should be catchable as a general Exception")
+    void testExceptionInheritance() {
+        String errorMessage = "Invalid Commande ";
+
+        try {
+            throw new NotValidCommandeException(errorMessage);
+        } catch (Exception e) {
+            assertEquals(NotValidCommandeException.class, e.getClass());
+            assertEquals(errorMessage, e.getMessage());
+        }
+    }
+
+}

src/test/java/fr/iut_fbleau/but3/dev62/mylibrary/commande/exception/valid/NotValidLigneCommandeExceptionTest.java

@@ -0,0 +1,47 @@
+package fr.iut_fbleau.but3.dev62.mylibrary.commande.exception.valid;
+
+import fr.iut_fbleau.but3.dev62.mylibrary.commande.exception.NotValidLigneCommandeException;
+import org.junit.jupiter.api.DisplayName;
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertThrows;
+
+public class NotValidLigneCommandeExceptionTest {
+
+    @Test
+    @DisplayName("Exception should handle different validation messages")
+    void testExceptionCreation() {
+        String errorMessage = "Ligne commande is not valide";
+        NotValidLigneCommandeException exception = new NotValidLigneCommandeException(errorMessage);
+
+        assertEquals(errorMessage, exception.getMessage());
+    }
+
+    @Test
+    @DisplayName("Exception should be properly thrown and caught")
+    void testExceptionCanBeThrownAndCaught() {
+        String errorMessage = "Required field is missing";
+
+        Exception exception = assertThrows(NotValidLigneCommandeException.class, () -> {
+            throw new NotValidLigneCommandeException(errorMessage);
+        });
+
+        assertEquals(errorMessage, exception.getMessage());
+    }
+
+    @Test
+    @DisplayName("Exception should be catchable as a general Exception")
+    void testExceptionInheritance() {
+        String errorMessage = "Invalid Commande ";
+
+        try {
+            throw new NotValidLigneCommandeException(errorMessage);
+        } catch (Exception e) {
+            assertEquals(NotValidLigneCommandeException.class, e.getClass());
+            assertEquals(errorMessage, e.getMessage());
+        }
+    }
+
+
+}

src/test/java/fr/iut_fbleau/but3/dev62/mylibrary/commande/repository/CommandeRepositoryTest.java

@@ -0,0 +1,349 @@
+package fr.iut_fbleau.but3.dev62.mylibrary.commande.repository;
+
+import fr.iut_fbleau.but3.dev62.mylibrary.commande.LigneCommandeInfo;
+import fr.iut_fbleau.but3.dev62.mylibrary.commande.ModePaiement;
+import fr.iut_fbleau.but3.dev62.mylibrary.commande.entity.Commande;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.DisplayName;
+import org.junit.jupiter.api.Nested;
+import org.junit.jupiter.api.Test;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Optional;
+import java.util.UUID;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+public class CommandeRepositoryTest {
+
+    private CommandeRepository repository;
+    private Commande commandeN1;
+    private Commande commandeN2;
+    private Commande commandeN3;
+
+    @BeforeEach
+    void setUp() {
+        repository = new CommandeRepository();
+
+        UUID clientId = UUID.randomUUID();
+        List<LigneCommandeInfo> lignesCommande = new ArrayList<>();
+        LigneCommandeInfo commande1 = new LigneCommandeInfo(12);
+        LigneCommandeInfo commande2 = new LigneCommandeInfo(13);
+        lignesCommande.add(commande1);
+        lignesCommande.add(commande2);
+        String rue = "rue du chien";
+        String ville = "LKa Rochette";
+        String codePostal = "7700";
+        String pays = "France";
+        String modePayement = ModePaiement.CB.name();
+
+        commandeN1 = Commande.builder()
+                .clientId(clientId)
+                .lignesCommande(lignesCommande)
+                .rue(rue)
+                .ville(ville)
+                .codePostal(codePostal)
+                .pays(pays)
+                .modePaiement(modePayement)
+                .build();
+        commandeN1.setRandomUUIDCommande();
+
+
+        List<LigneCommandeInfo> lignesCommande2 = new ArrayList<>();
+        LigneCommandeInfo commande3 = new LigneCommandeInfo(43);
+        LigneCommandeInfo commande4 = new LigneCommandeInfo(1);
+        lignesCommande2.add(commande3);
+        lignesCommande2.add(commande4);
+
+        commandeN2 = Commande.builder()
+                .clientId(clientId)
+                .lignesCommande(lignesCommande2)
+                .rue(rue)
+                .ville(ville)
+                .codePostal(codePostal)
+                .pays(pays)
+                .modePaiement(modePayement)
+                .build();
+        commandeN2.setRandomUUIDCommande();
+
+        List<LigneCommandeInfo> lignesCommande3 = new ArrayList<>();
+        LigneCommandeInfo commande6 = new LigneCommandeInfo(12);
+        LigneCommandeInfo commande7 = new LigneCommandeInfo(13);
+        lignesCommande3.add(commande6);
+        lignesCommande3.add(commande7);
+        String rue2 = "rue du chevre chaud ";
+        String ville2 = "jsp";
+        String codePostal2 = "77";
+        String pays2 = "Lune ";
+        String modePayement2 = ModePaiement.PAYPAL.name();
+
+        commandeN3 = Commande.builder()
+                .lignesCommande(lignesCommande3)
+                .rue(rue2)
+                .ville(ville2)
+                .codePostal(codePostal2)
+                .pays(pays2)
+                .modePaiement(modePayement2)
+                .build();
+        commandeN3.setRandomUUID();
+        commandeN3.setRandomUUIDCommande();
+
+    }
+
+    @Test
+    @DisplayName("New repository should be empty")
+    void testNewRepositoryIsEmpty() {
+        List<Commande> commande = repository.findAll();
+
+        assertTrue(commande.isEmpty());
+        assertEquals(0, commande.size());
+    }
+
+
+    @Nested
+    @DisplayName("Save operations")
+    class SaveOperations {
+        @Test
+        @DisplayName("Save should add a new comande")
+        void testSaveNewCommande() {
+            Commande savedCommande = repository.save(commandeN1);
+
+            assertEquals(1, repository.findAll().size());
+            assertEquals(commandeN1.getCommandeId(), savedCommande.getCommandeId());
+            assertEquals(commandeN1.getClientId(), savedCommande.getClientId());
+        }
+
+
+        @Test
+        @DisplayName("Save should update existing commande with same ID")
+        void testSaveUpdatesExistingCommande() {
+            repository.save(commandeN1);
+
+
+            List<LigneCommandeInfo> lignesCommande2 = new ArrayList<>();
+            LigneCommandeInfo commande3 = new LigneCommandeInfo(43);
+            LigneCommandeInfo commande4 = new LigneCommandeInfo(1);
+            lignesCommande2.add(commande3);
+            lignesCommande2.add(commande4);
+
+
+            UUID id = commandeN1.getCommandeId();
+            Commande updatedCommande = Commande.builder()
+                    .commandeId(id)
+                    .lignesCommande(lignesCommande2)
+                    .rue("rue")
+                    .ville("moi")
+                    .codePostal("1")
+                    .pays("Russie")
+                    .modePaiement(ModePaiement.POINTS_FIDELITE.name())
+                    .build();
+
+            Commande savedCommande = repository.save(updatedCommande);
+
+            assertEquals(1, repository.findAll().size());
+            assertEquals(id, savedCommande.getCommandeId());
+            assertEquals("rue", savedCommande.getRue());
+            assertEquals("moi", savedCommande.getVille());
+            assertEquals("1", savedCommande.getCodePostal());
+            assertEquals("Russie", savedCommande.getPays());
+            assertEquals(ModePaiement.POINTS_FIDELITE.name(), savedCommande.getModePaiement());
+        }
+
+        @Test
+        @DisplayName("Save multiple customers should add all of them")
+        void testSaveMultipleCommande() {
+            repository.save(commandeN1);
+            repository.save(commandeN2);
+
+            List<Commande> commande = repository.findAll();
+
+            assertEquals(2, commande.size());
+            assertTrue(commande.contains(commandeN1));
+            assertTrue(commande.contains(commandeN2));
+        }
+    }
+
+    @Nested
+    @DisplayName("Find operations")
+    class FindOperations {
+
+        @BeforeEach
+        void setUpCommande() {
+            repository.save(commandeN1);
+            repository.save(commandeN2);
+        }
+
+        @Test
+        @DisplayName("FindAll should return all commande")
+        void testFindAll() {
+            List<Commande> commande = repository.findAll();
+
+            assertEquals(2, commande.size());
+            assertTrue(commande.contains(commandeN1));
+            assertTrue(commande.contains(commandeN2));
+        }
+
+        @Test
+        @DisplayName("FindById should return commande with matching ID")
+        void testFindById() {
+            Optional<Commande> foundCommande = repository.findById(commandeN1.getCommandeId());
+
+            assertTrue(foundCommande.isPresent());
+            assertEquals(commandeN1.getCommandeId(), foundCommande.get().getCommandeId());
+            assertEquals(commandeN1.getClientId(), foundCommande.get().getClientId());
+        }
+
+        @Test
+        void testFindByIdNotFound(){
+            UUID nonExistentId = UUID.randomUUID();
+            Optional<Commande> foundCommande = repository.findById(nonExistentId);
+
+            assertTrue(foundCommande.isEmpty());
+        }
+
+
+        @Test
+        void testExistsByIdExists(){
+            boolean exists = repository.existsById(commandeN1.getCommandeId());
+
+            assertTrue(exists);
+
+        }
+
+        @Test
+        void testExistsByIdNotExists(){
+            UUID nonExistentId = UUID.randomUUID();
+            boolean exists = repository.existsById(nonExistentId);
+
+            assertFalse(exists);
+        }
+    }
+
+
+
+
+    @Nested
+    @DisplayName("Delete operations")
+    class DeleteOperations {
+
+
+        @BeforeEach
+        void setUpCustomers() {
+            repository.save(commandeN1);
+            repository.save(commandeN2);
+            repository.save(commandeN3);
+        }
+
+
+        @Test
+        @DisplayName("Delete should remove the specified customer")
+        void testDelete() {
+            repository.delete(commandeN1);
+
+            List<Commande> commande = repository.findAll();
+
+            assertEquals(2, commande.size());
+            assertFalse(commande.contains(commandeN1));
+            assertTrue(commande.contains(commandeN2));
+            assertTrue(commande.contains(commandeN3));
+        }
+
+        @Test
+        @DisplayName("DeleteAll should remove all customers")
+        void testDeleteAll() {
+            repository.deleteAll();
+
+            List<Commande> commande = repository.findAll();
+
+            assertTrue(commande.isEmpty());
+            assertEquals(0, commande.size());
+        }
+
+        @Test
+        @DisplayName("Delete should not throw exception when customer doesn't exist")
+        void testDeleteNonExistentCustomer() {
+
+            List<LigneCommandeInfo> lignesCommande = new ArrayList<>();
+            LigneCommandeInfo commande1 = new LigneCommandeInfo(321);
+            LigneCommandeInfo commande2 = new LigneCommandeInfo(3);
+            lignesCommande.add(commande1);
+            lignesCommande.add(commande2);
+
+
+            Commande nonExistentCommande = Commande.builder()
+                    .lignesCommande(lignesCommande)
+                    .rue("non")
+                    .ville("non")
+                    .codePostal("Existent")
+                    .pays("0000")
+                    .modePaiement(ModePaiement.PAYPAL.name())
+                    .build();
+            nonExistentCommande.setRandomUUIDCommande();
+
+            assertDoesNotThrow(() -> repository.delete(nonExistentCommande));
+
+            assertEquals(3, repository.findAll().size());
+        }
+
+
+        @Test
+        void TestDeleteAllCommandeByCustomerID() {
+            System.out.println(commandeN1.getClientId());
+            System.out.println(commandeN2.getClientId());
+            System.out.println(commandeN3.getClientId());
+            repository.deleteById(commandeN1.getClientId());
+
+
+            List<Commande> commande = repository.findAll();
+
+            assertEquals(1, commande.size());
+            assertFalse(commande.contains(commandeN1));
+            assertFalse(commande.contains(commandeN2));
+            assertTrue(commande.contains(commandeN3));
+
+
+        }
+
+
+        @Test
+        void TestDeleteAllCommandeByNonExistentCustomerID() {
+
+
+            List<LigneCommandeInfo> lignesCommande = new ArrayList<>();
+            LigneCommandeInfo commande1 = new LigneCommandeInfo(321);
+            LigneCommandeInfo commande2 = new LigneCommandeInfo(3);
+            lignesCommande.add(commande1);
+            lignesCommande.add(commande2);
+
+
+            Commande nonExistentCommande = Commande.builder()
+                    .lignesCommande(lignesCommande)
+                    .rue("non")
+                    .ville("non")
+                    .codePostal("Existent")
+                    .pays("0000")
+                    .modePaiement(ModePaiement.PAYPAL.name())
+                    .build();
+            nonExistentCommande.setRandomUUIDCommande();
+
+
+            repository.deleteById(nonExistentCommande.getClientId());
+
+
+            assertDoesNotThrow(() -> repository.findAll());
+
+            assertEquals(3, repository.findAll().size());
+
+
+        }
+
+
+    }
+
+
+
+
+}
+
+

src/test/java/fr/iut_fbleau/but3/dev62/mylibrary/commande/usecase/TestCommandeUseCase.java

@@ -0,0 +1,249 @@
+package fr.iut_fbleau.but3.dev62.mylibrary.commande.usecase;
+
+import fr.iut_fbleau.but3.dev62.mylibrary.commande.*;
+import fr.iut_fbleau.but3.dev62.mylibrary.commande.entity.Commande;
+import fr.iut_fbleau.but3.dev62.mylibrary.commande.exception.CommandeNotFoundException;
+import fr.iut_fbleau.but3.dev62.mylibrary.commande.exception.NotValidCommandeException;
+import fr.iut_fbleau.but3.dev62.mylibrary.commande.repository.CommandeRepository;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.DisplayName;
+import org.junit.jupiter.api.Nested;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.extension.ExtendWith;
+import org.mockito.InjectMocks;
+import org.mockito.Mock;
+import org.mockito.junit.jupiter.MockitoExtension;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Optional;
+import java.util.UUID;
+
+import static org.junit.jupiter.api.Assertions.*;
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.Mockito.*;
+
+
+
+@ExtendWith(MockitoExtension.class)
+public class TestCommandeUseCase {
+
+    @Mock
+    private CommandeRepository commandeRepository;
+
+
+    @InjectMocks
+    private CommandeUseCase commandeUseCase;
+
+    private UUID commandeId;
+    private UUID clientId;
+    private Commande testCommande;
+    private CommandeInfo validCommandeInfo;
+    private LigneCommandeInfo validLigneCommandeInfo;
+    private AdresseInfo validAdresseInfo;
+    private List<LigneCommandeInfo> lignesCommande;
+    private LigneCommandeInfo commande1;
+    private LigneCommandeInfo commande2;
+    private String rue;
+    private String ville;
+    private String codePostal;
+    private String pays;
+    private String modePayement;
+
+    @BeforeEach
+    void setUp() {
+
+        clientId = UUID.randomUUID();
+        commandeId = UUID.randomUUID();
+        lignesCommande = new ArrayList<>();
+        commande1 = new LigneCommandeInfo(12);
+        commande2 = new LigneCommandeInfo(13);
+        lignesCommande.add(commande1);
+        lignesCommande.add(commande2);
+        rue = "rue du chien";
+        ville = "LKa Rochette";
+        codePostal = "7700";
+        pays = "France";
+        modePayement = ModePaiement.CB.name();
+
+        testCommande = Commande.builder()
+                .clientId(clientId)
+                .lignesCommande(lignesCommande)
+                .rue(rue)
+                .ville(ville)
+                .codePostal(codePostal)
+                .pays(pays)
+                .modePaiement(modePayement)
+                .commandeId(commandeId)
+                .build();
+
+
+        validCommandeInfo = new CommandeInfo(lignesCommande,ModePaiement.CB.name());
+        validLigneCommandeInfo= new LigneCommandeInfo(12);
+        validAdresseInfo = new AdresseInfo("rue du chien","LKa Rochette","7700","France");
+    }
+
+
+    @Nested
+    class RegisterCommandeTest{
+
+
+        @Test
+        void  testRegisterCommandeWhitValidData(){
+            when(commandeRepository.save(any(Commande.class))).thenReturn(testCommande);
+
+            UUID registeredIsbn = commandeUseCase.registerCommande(validCommandeInfo,validAdresseInfo);
+
+            assertNotNull(registeredIsbn);
+            assertEquals(commandeId, registeredIsbn);
+            verify(commandeRepository, times(1)).save(any(Commande.class));
+        }
+
+        @Test
+        void testRegisterCommandeWhitInvalidData(){
+            CommandeInfo invalidCommandeInfo = new CommandeInfo(new ArrayList<LigneCommandeInfo>(),"pas bon ");
+            AdresseInfo invalidAdressInfo = new AdresseInfo(""," ","  ","");
+
+            assertThrows(NotValidCommandeException.class,
+                    ()->commandeUseCase.registerCommande(invalidCommandeInfo,invalidAdressInfo));
+            verify(commandeRepository, never()).save(any(Commande.class));
+        }
+
+
+
+    }
+
+
+    @Nested
+     class FindCommandeTests {
+        @Test
+        @DisplayName("Should return book when isbn exists")
+        void testFindCommandByUUID() {
+            when(commandeRepository.findById(testCommande.getCommandeId())).thenReturn(Optional.of(testCommande));
+
+            Optional<CommandeDTO> foundCommande = commandeUseCase.findCommandByUUID(testCommande.getCommandeId());
+
+            assertTrue(foundCommande.isPresent());
+            assertEquals(testCommande.getCommandeId(), foundCommande.get().getCommandeId());
+            verify(commandeRepository, times(1)).findById(testCommande.getCommandeId());
+        }
+
+        @Test
+        @DisplayName("Should return empty Optional when isbn doesn't exist")
+        void testFindCommandByUUIDNotFound() {
+            UUID uuid = UUID.randomUUID();
+            when(commandeRepository.findById(uuid)).thenReturn(Optional.empty());
+
+            Optional<CommandeDTO> foundCommande = commandeUseCase.findCommandByUUID(uuid);
+
+            assertTrue(foundCommande.isEmpty());
+            verify(commandeRepository, times(1)).findById(uuid);
+        }
+    }
+
+    @Nested
+    class UpdateCommandeTests {
+        @Test
+        @DisplayName("Should update commande when valid data is provided")
+        void testUpdateCommandeWithValidData() throws CommandeNotFoundException, NotValidCommandeException {
+            when(commandeRepository.findById(commandeId)).thenReturn(Optional.of(testCommande));
+
+            Commande updatedCommande = Commande.builder()
+                    .clientId(clientId)
+                    .lignesCommande(lignesCommande)
+                    .rue(rue)
+                    .ville("Fontainebleau")
+                    .codePostal("77300")
+                    .pays(pays)
+                    .modePaiement(modePayement)
+                    .commandeId(commandeId)
+                    .build();
+
+            when(commandeRepository.save(any(Commande.class))).thenReturn(updatedCommande);
+
+            List<LigneCommandeInfo> updatelignesCommande = new ArrayList<>();
+            LigneCommandeInfo updateLigneCommandeInfo= new LigneCommandeInfo(12);
+            updatelignesCommande.add(updateLigneCommandeInfo);
+            CommandeInfo updateInfo = new CommandeInfo(updatelignesCommande,ModePaiement.CB.name());
+            AdresseInfo updateAdresseInfo = new AdresseInfo("rue du chien","Fontainebleau","77300","France");
+
+            CommandeDTO result = commandeUseCase.updateCommande(commandeId, updateInfo, updateAdresseInfo);
+
+            assertNotNull(result);
+            assertEquals(commandeId, result.getCommandeId());
+            assertEquals("Fontainebleau", result.getVille());
+            assertEquals("77300", result.getCodePostal());
+            verify(commandeRepository, times(1)).findById(commandeId);
+            verify(commandeRepository, times(1)).save(any(Commande.class));
+        }
+
+        @Test
+        @DisplayName("Should throw exception when commande ID doesn't exist")
+        void testUpdateCommandeNotFound() {
+            UUID nonExistentId = UUID.randomUUID();
+            when(commandeRepository.findById(nonExistentId)).thenReturn(Optional.empty());
+
+            List<LigneCommandeInfo> updatelignesCommande = new ArrayList<>();
+            LigneCommandeInfo updateLigneCommandeInfo= new LigneCommandeInfo(12);
+            updatelignesCommande.add(updateLigneCommandeInfo);
+            CommandeInfo updateInfo = new CommandeInfo(updatelignesCommande,ModePaiement.CB.name());
+            AdresseInfo updateAdresseInfo = new AdresseInfo("rue du chien","Fontainebleau","77300","France");
+
+            assertThrows(CommandeNotFoundException.class,
+                    () -> commandeUseCase.updateCommande(nonExistentId, updateInfo, updateAdresseInfo));
+
+            verify(commandeRepository, times(1)).findById(nonExistentId);
+            verify(commandeRepository, never()).save(any(Commande.class));
+        }
+
+        @Test
+        @DisplayName("Should throw exception when update data is not valid")
+        void testUpdateCommandeWithInvalidData() {
+            List<LigneCommandeInfo> updatelignesCommande = new ArrayList<>();
+            LigneCommandeInfo updateLigneCommandeInfo= new LigneCommandeInfo(12);
+            updatelignesCommande.add(updateLigneCommandeInfo);
+            CommandeInfo invalidUpdateInfo = new CommandeInfo(updatelignesCommande, "CARTE");
+            AdresseInfo updateAdresseInfo = new AdresseInfo("rue du chien","Fontainebleau","77300","France");
+
+            assertThrows(NotValidCommandeException.class,
+                    () -> commandeUseCase.updateCommande(commandeId, invalidUpdateInfo, updateAdresseInfo));
+
+            verify(commandeRepository, never()).findById(any(UUID.class));
+            verify(commandeRepository, never()).save(any(Commande.class));
+        }
+    }
+
+
+    @Nested
+    class DeleteCommandeTests {
+        @Test
+        @DisplayName("Should delete commande when ID exists")
+        void testDeleteCommande() throws CommandeNotFoundException {
+            when(commandeRepository.findById(commandeId)).thenReturn(Optional.of(testCommande));
+            doNothing().when(commandeRepository).delete(testCommande);
+
+            commandeUseCase.deleteCommande(commandeId);
+
+            verify(commandeRepository, times(1)).findById(commandeId);
+            verify(commandeRepository, times(1)).delete(testCommande);
+        }
+
+        @Test
+        @DisplayName("Should throw exception when commande ID doesn't exist")
+        void testDeleteCustomerNotFound() {
+            UUID nonExistentId = UUID.randomUUID();
+            when(commandeRepository.findById(nonExistentId)).thenReturn(Optional.empty());
+
+            assertThrows(CommandeNotFoundException.class,
+                    () -> commandeUseCase.deleteCommande(nonExistentId));
+
+            verify(commandeRepository, times(1)).findById(nonExistentId);
+            verify(commandeRepository, never()).delete(any(Commande.class));
+        }
+    }
+
+
+
+
+
+}

src/test/java/fr/iut_fbleau/but3/dev62/mylibrary/commande/validator/CommandeValidatorTest.java

@@ -0,0 +1,165 @@
+package fr.iut_fbleau.but3.dev62.mylibrary.commande.validator;
+
+import fr.iut_fbleau.but3.dev62.mylibrary.commande.AdresseInfo;
+import fr.iut_fbleau.but3.dev62.mylibrary.commande.CommandeInfo;
+import fr.iut_fbleau.but3.dev62.mylibrary.commande.LigneCommandeInfo;
+import fr.iut_fbleau.but3.dev62.mylibrary.commande.ModePaiement;
+import fr.iut_fbleau.but3.dev62.mylibrary.commande.exception.NotValidAdressException;
+import fr.iut_fbleau.but3.dev62.mylibrary.commande.exception.NotValidCommandeException;
+import fr.iut_fbleau.but3.dev62.mylibrary.commande.exception.NotValidLigneCommandeException;
+import org.junit.jupiter.api.Nested;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.params.ParameterizedTest;
+import org.junit.jupiter.params.provider.*;
+
+import java.util.*;
+import java.util.stream.Stream;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+public class CommandeValidatorTest {
+
+
+    @Test
+    void testValidateValideLigneCommande () {
+        LigneCommandeInfo ligneCommandeValide =  new LigneCommandeInfo(5);
+
+
+        assertDoesNotThrow(() -> CommandeValidator.validate(ligneCommandeValide));
+    }
+    @ParameterizedTest
+    @ValueSource(ints = {-5,0 })
+    void testValidateNotValideLigneCommande (int notValiteQuantite) {
+        LigneCommandeInfo ligneCommandeNotValide =  new LigneCommandeInfo(notValiteQuantite);
+        NotValidLigneCommandeException exception = assertThrows(
+                NotValidLigneCommandeException.class,
+                () -> CommandeValidator.validate(ligneCommandeNotValide)
+        );
+
+        assertEquals(CommandeValidator.LIGNE_COMMANDE_IS_NOT_VALIDE, exception.getMessage());
+    }
+
+
+    @ParameterizedTest
+    @EnumSource(value = ModePaiement.class, names = {"CB", "PAYPAL", "POINTS_FIDELITE"})
+    void testValidateValideCommande(ModePaiement modePaiement) {
+        LigneCommandeInfo ligneCommandeValide =  new LigneCommandeInfo(5);
+        List<LigneCommandeInfo> listeLigne = new ArrayList<>();
+        listeLigne.add(ligneCommandeValide);
+        String modePaiementValide = modePaiement.toString();
+        CommandeInfo commandeValid = new CommandeInfo(listeLigne, modePaiementValide);
+
+        assertDoesNotThrow(() -> CommandeValidator.validate(commandeValid));
+    }
+
+    @ParameterizedTest
+    @ValueSource(strings =  {"jambon", "    ", ""})
+    void testValidateNotValideModePaiement(String modePaiementError) {
+        LigneCommandeInfo ligneCommandeValide =  new LigneCommandeInfo(5);
+        List<LigneCommandeInfo> listeLigne = new ArrayList<>();
+        listeLigne.add(ligneCommandeValide);
+        String modePaiementValide = modePaiementError;
+        CommandeInfo commandeValid = new CommandeInfo(listeLigne, modePaiementValide);
+
+        NotValidCommandeException exception = assertThrows(
+                NotValidCommandeException.class,
+                () -> CommandeValidator.validate(commandeValid)
+        );
+        assertEquals(CommandeValidator.MODE_PAIEMENT_IS_NOT_VALIDE, exception.getMessage());
+    }
+
+        @ParameterizedTest
+        @MethodSource("provideInvalidOrderLists")
+        void testValidateNotValideListLigneCommande(List<LigneCommandeInfo> listeLigne) {
+            String modePaiementValide = ModePaiement.CB.toString();
+            CommandeInfo commandeValid = new CommandeInfo(listeLigne, modePaiementValide);
+            NotValidCommandeException exception = assertThrows(
+                    NotValidCommandeException.class,
+                    () -> CommandeValidator.validate(commandeValid)
+            );
+            assertEquals(CommandeValidator.LIST_LIGNE_COMANDE_IS_NOT_VALIDE, exception.getMessage());
+
+    }
+    static Stream<Arguments> provideInvalidOrderLists() {
+        return Stream.of(
+                Arguments.of(Collections.emptyList()),
+                Arguments.of(Arrays.asList(new LigneCommandeInfo(5), null, null, new LigneCommandeInfo(12))),
+                Arguments.of((List<LigneCommandeInfo>) null)
+        );
+    }
+
+    @Nested
+    class TestAdress{
+
+
+        @Test
+        void testValidateValideLigneCommande () {
+            AdresseInfo adress = new AdresseInfo("rue du chien","La Rochette","7700","France");
+
+            assertDoesNotThrow(() -> CommandeValidator.validate(adress));
+        }
+
+
+
+
+        @ParameterizedTest
+        @NullSource
+        @ValueSource(strings = {" ", "  ", "\t", "\n"})
+        void testValidateNotValideStreet(String  notvalideStreet) {
+            AdresseInfo adress = new AdresseInfo(notvalideStreet,"La Rochette","7700","France");
+            NotValidAdressException exception = assertThrows(
+                    NotValidAdressException.class,
+                    () -> CommandeValidator.validate(adress)
+            );
+            assertEquals(CommandeValidator.STREET_IS_NOT_VALIDE, exception.getMessage());
+        }
+
+        @ParameterizedTest
+        @NullSource
+        @ValueSource(strings = {" ", "  ", "\t", "\n"})
+        void testValidateNotValideCity(String  notvalideCity) {
+            AdresseInfo adress = new AdresseInfo("rue du chien",notvalideCity,"7700","France");
+            NotValidAdressException exception = assertThrows(
+                    NotValidAdressException.class,
+                    () -> CommandeValidator.validate(adress)
+            );
+            assertEquals(CommandeValidator.CITY_IS_NOT_VALIDE, exception.getMessage());
+        }
+
+        @ParameterizedTest
+        @NullSource
+        @ValueSource(strings = {" ", "  ", "\t", "\n"})
+        void testValidateNotValideCodePostal(String  notvalideCodePostal) {
+            AdresseInfo adress = new AdresseInfo("rue du chien","La Rochette",notvalideCodePostal,"France");
+            NotValidAdressException exception = assertThrows(
+                    NotValidAdressException.class,
+                    () -> CommandeValidator.validate(adress)
+            );
+            assertEquals(CommandeValidator.CODE_POSTAL_IS_NOT_VALIDE, exception.getMessage());
+        }
+
+        @ParameterizedTest
+        @NullSource
+        @ValueSource(strings = {" ", "  ", "\t", "\n"})
+        void testValidateNotValideCountry(String  notvalideCountry) {
+            AdresseInfo adress = new AdresseInfo("rue du chien","La Rochette","7700",notvalideCountry);
+            NotValidAdressException exception = assertThrows(
+                    NotValidAdressException.class,
+                    () -> CommandeValidator.validate(adress)
+            );
+            assertEquals(CommandeValidator.COUNTRY_IS_NOT_VALIDE, exception.getMessage());
+        }
+
+    }
+
+
+
+
+
+
+
+
+
+
+
+}

src/test/java/fr/iut_fbleau/but3/dev62/mylibrary/subscription/converter/SubscriptionConverterTest.java

@@ -26,7 +26,7 @@ public class SubscriptionConverterTest {
             // Given
             PaymentMethodInfo paymentMethodInfo = new PaymentMethodInfo(PaymentType.CB.name(), "Maxime Lebreton");
             LocalDate desiredStartDate = LocalDate.of(2026, 6, 24);
-            SubscriptionInfo subscriptionInfo = new SubscriptionInfo(SubscriptionDurationDesired.THREE.getValue(), desiredStartDate);
+            SubscriptionInfo subscriptionInfo = new SubscriptionInfo(DesiredSubscriptionDuration.THREE.getValue(), desiredStartDate);
             LocalDate estimateEndDate = LocalDate.of(2026, 9, 24);
 
             // When
@@ -34,7 +34,7 @@ public class SubscriptionConverterTest {
 
             // Then
             assertNotNull(result);
-            assertEquals(subscriptionInfo.subscriptionDurationDesired(), result.getSubscriptionDurationDesired());
+            assertEquals(subscriptionInfo.desiredSubscriptionDuration(), result.getDesiredSubscriptionDuration());
             assertEquals(paymentMethodInfo.paymentType(), result.getPaymentMethod().getPaymentType());
             assertEquals(paymentMethodInfo.details(), result.getPaymentMethod().getDetails());
             assertEquals(subscriptionInfo.desiredStartDate(), result.getDesiredStartDate());
@@ -60,7 +60,7 @@ public class SubscriptionConverterTest {
             Subscription subscription = Subscription.builder()
                     .subscriptionId(UUID.randomUUID())
                     .customerId(UUID.randomUUID())
-                    .subscriptionDurationDesired(SubscriptionDurationDesired.THREE.getValue())
+                    .desiredSubscriptionDuration(DesiredSubscriptionDuration.THREE.getValue())
                     .paymentMethod(paymentMethod)
                     .desiredStartDate(desiredStartDate)
                     .startDate(desiredStartDate)
@@ -73,7 +73,7 @@ public class SubscriptionConverterTest {
             assertNotNull(result);
             assertEquals(subscription.getSubscriptionId(), result.getSubscriptionId());
             assertEquals(subscription.getCustomerId(), result.getCustomerId());
-            assertEquals(subscription.getSubscriptionDurationDesired(), result.getSubscriptionDurationDesired());
+            assertEquals(subscription.getDesiredSubscriptionDuration(), result.getDesiredSubscriptionDuration());
             assertEquals(subscription.getPaymentMethod().getPaymentType(), result.getPaymentMethod().getPaymentType());
             assertEquals(subscription.getPaymentMethod().getDetails(), result.getPaymentMethod().getDetails());
             assertEquals(subscription.getDesiredStartDate(), result.getDesiredStartDate());
@@ -95,7 +95,7 @@ public class SubscriptionConverterTest {
         Subscription subscription = Subscription.builder()
                 .subscriptionId(UUID.randomUUID())
                 .customerId(UUID.randomUUID())
-                .subscriptionDurationDesired(SubscriptionDurationDesired.THREE.getValue())
+                .desiredSubscriptionDuration(DesiredSubscriptionDuration.THREE.getValue())
                 .paymentMethod(paymentMethod)
                 .desiredStartDate(desiredStartDate)
                 .startDate(desiredStartDate)
@@ -115,7 +115,7 @@ public class SubscriptionConverterTest {
     void shouldPreserveEmptyStrings() {
         PaymentMethodInfo paymentMethodInfo = new PaymentMethodInfo(PaymentType.CB.name(), "");
         LocalDate desiredStartDate = LocalDate.of(2026, 6, 24);
-        SubscriptionInfo subscriptionInfo = new SubscriptionInfo(SubscriptionDurationDesired.THREE.getValue(), desiredStartDate);
+        SubscriptionInfo subscriptionInfo = new SubscriptionInfo(DesiredSubscriptionDuration.THREE.getValue(), desiredStartDate);
 
         Subscription domainResult = SubscriptionConverter.toDomain(subscriptionInfo, paymentMethodInfo);
         SubscriptionDTO dtoResult = SubscriptionConverter.toDTO(domainResult);

src/test/java/fr/iut_fbleau/but3/dev62/mylibrary/subscription/entity/SubscriptionTest.java

@@ -1,7 +1,7 @@
 package fr.iut_fbleau.but3.dev62.mylibrary.subscription.entity;
 
 import fr.iut_fbleau.but3.dev62.mylibrary.subscription.PaymentType;
-import fr.iut_fbleau.but3.dev62.mylibrary.subscription.SubscriptionDurationDesired;
+import fr.iut_fbleau.but3.dev62.mylibrary.subscription.DesiredSubscriptionDuration;
 import org.junit.jupiter.api.DisplayName;
 import org.junit.jupiter.api.Test;
 
@@ -18,7 +18,7 @@ public class SubscriptionTest {
     void testSubscriptionBuilder() {
         UUID subscriptionId = UUID.randomUUID();
         UUID customerId = UUID.randomUUID();
-        Integer subscriptionDurationDesired = SubscriptionDurationDesired.THREE.getValue();
+        Integer desiredSubscriptionDuration = DesiredSubscriptionDuration.THREE.getValue();
         String paymentType = PaymentType.CB.name();
         Object details = new Object();
         details = "Maxime Lebreton";
@@ -34,7 +34,7 @@ public class SubscriptionTest {
         Subscription subscription = Subscription.builder()
                 .subscriptionId(subscriptionId)
                 .customerId(customerId)
-                .subscriptionDurationDesired(subscriptionDurationDesired)
+                .desiredSubscriptionDuration(desiredSubscriptionDuration)
                 .paymentMethod(paymentMethod)
                 .desiredStartDate(desiredStartDate)
                 .startDate(startDate)
@@ -44,7 +44,7 @@ public class SubscriptionTest {
 
         assertEquals(subscriptionId, subscription.getSubscriptionId());
         assertEquals(customerId, subscription.getCustomerId());
-        assertEquals(subscriptionDurationDesired, subscription.getSubscriptionDurationDesired());
+        assertEquals(desiredSubscriptionDuration, subscription.getDesiredSubscriptionDuration());
         assertEquals(paymentType, paymentMethod.getPaymentType());
         assertEquals(details, paymentMethod.getDetails());
         assertEquals(desiredStartDate, subscription.getDesiredStartDate());
@@ -92,12 +92,12 @@ public class SubscriptionTest {
     }
 
     @Test
-    @DisplayName("setEndDate should instantiate EndDate as the same value as the variable desiredStartDate + subscriptionDurationDesired")
+    @DisplayName("setEndDate should instantiate EndDate as the same value as the variable desiredStartDate + desiredSubscriptionDuration")
     void testSetEndDate() {
         LocalDate desiredStartDate = LocalDate.of(2026, 6, 24);
         LocalDate estimateEndDate = LocalDate.of(2026, 9, 24);
         Subscription subscription = Subscription.builder()
-                .subscriptionDurationDesired(SubscriptionDurationDesired.THREE.getValue())
+                .desiredSubscriptionDuration(DesiredSubscriptionDuration.THREE.getValue())
                 .desiredStartDate(desiredStartDate)
                 .build();
 
@@ -113,7 +113,7 @@ public class SubscriptionTest {
         LocalDate desiredStartDate = LocalDate.of(2026, 6, 24);
         LocalDate estimateEndDate = LocalDate.of(2026, 9, 24);
         Subscription subscription = Subscription.builder()
-                .subscriptionDurationDesired(SubscriptionDurationDesired.THREE.getValue())
+                .desiredSubscriptionDuration(DesiredSubscriptionDuration.THREE.getValue())
                 .desiredStartDate(desiredStartDate)
                 .build();
 

src/test/java/fr/iut_fbleau/but3/dev62/mylibrary/subscription/exception/NotValidSubscriptionExceptionTest.java

@@ -23,7 +23,7 @@ public class NotValidSubscriptionExceptionTest {
 
     @ParameterizedTest
     @ValueSource(strings = {
-            "subscriptionDurationDesired will be 3, 6 or 12 by the ENUM file SubscriptionDurationDesired",
+            "desiredSubscriptionDuration will be 3, 6 or 12 by the ENUM file SubscriptionDurationDesired",
             "desiredStartDate cannot be before today"
     })
     @DisplayName("Exception should handle different validation messages")

src/test/java/fr/iut_fbleau/but3/dev62/mylibrary/subscription/exception/SubscriptionNotFoundExceptionTest.java

@@ -0,0 +1,74 @@
+package fr.iut_fbleau.but3.dev62.mylibrary.subscription.exception;
+
+import org.junit.jupiter.api.DisplayName;
+import org.junit.jupiter.api.Test;
+
+import java.util.Optional;
+import java.util.UUID;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertTrue;
+
+public class SubscriptionNotFoundExceptionTest {
+
+    @Test
+    @DisplayName("Exception message should contain the UUID provided for customer")
+    void testExceptionMessageContainsUUIDForCustomer() {
+        UUID customerUUID = UUID.randomUUID();
+
+        SubscriptionNotFoundException exception = new SubscriptionNotFoundException(Optional.of(customerUUID), Optional.empty());
+
+        String expectedMessage = String.format("The subscriptions with the customer id %s does not exists", customerUUID);
+        assertEquals(expectedMessage, exception.getMessage());
+    }
+
+    @Test
+    @DisplayName("Exception message should contain the UUID provided for subscription")
+    void testExceptionMessageContainsUUIDForSubscription() {
+        UUID subscriptionUUID = UUID.randomUUID();
+
+        SubscriptionNotFoundException exception = new SubscriptionNotFoundException(Optional.empty(), Optional.of(subscriptionUUID));
+
+        String expectedMessage = String.format("The subscription with subscription id %s does not exists", subscriptionUUID);
+        assertEquals(expectedMessage, exception.getMessage());
+    }
+
+    @Test
+    @DisplayName("Exception should use the correct constant message format for customer")
+    void testExceptionUsesConstantMessageCustomerFormat() {
+        UUID customerUUID = UUID.randomUUID();
+
+        SubscriptionNotFoundException exception = new SubscriptionNotFoundException(Optional.of(customerUUID), Optional.empty());
+
+        String expectedFormatWithPlaceholder = "The subscriptions with the customer id {0} does not exists";
+        assertEquals(SubscriptionNotFoundException.THE_SUBSCRIPTION_WITH_CUSTOMER_ID_DOES_NOT_EXIST_MESSAGE,
+                expectedFormatWithPlaceholder);
+        assertTrue(exception.getMessage().contains(customerUUID.toString()));
+    }
+
+    @Test
+    @DisplayName("Exception should use the correct constant message format for subscription")
+    void testExceptionUsesConstantMessageSubscriptionFormat() {
+        UUID subscriptionUUID = UUID.randomUUID();
+
+        SubscriptionNotFoundException exception = new SubscriptionNotFoundException(Optional.empty(), Optional.of(subscriptionUUID));
+
+        String expectedFormatWithPlaceholder = "The subscription with subscription id {0} does not exists";
+        assertEquals(SubscriptionNotFoundException.THE_SUBSCRIPTION_WITH_SUBSCRIPTION_ID_DOES_NOT_EXIST_MESSAGE,
+                expectedFormatWithPlaceholder);
+        assertTrue(exception.getMessage().contains(subscriptionUUID.toString()));
+    }
+
+    @Test
+    @DisplayName("Exception should be properly thrown and caught")
+    void testExceptionCanBeThrownAndCaught() {
+        UUID subscriptionUUID = UUID.randomUUID();
+
+        try {
+            throw new SubscriptionNotFoundException(Optional.empty(), Optional.of(subscriptionUUID));
+        } catch (SubscriptionNotFoundException e) {
+            String expectedMessage = String.format("The subscription with subscription id %s does not exists", subscriptionUUID);
+            assertEquals(expectedMessage, e.getMessage());
+        }
+    }
+}

src/test/java/fr/iut_fbleau/but3/dev62/mylibrary/subscription/repository/SubscriptionRepositoryTest.java

@@ -0,0 +1,300 @@
+package fr.iut_fbleau.but3.dev62.mylibrary.subscription.repository;
+
+import fr.iut_fbleau.but3.dev62.mylibrary.subscription.DesiredSubscriptionDuration;
+import fr.iut_fbleau.but3.dev62.mylibrary.subscription.PaymentType;
+import fr.iut_fbleau.but3.dev62.mylibrary.subscription.entity.PaymentMethod;
+import fr.iut_fbleau.but3.dev62.mylibrary.subscription.entity.Subscription;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.DisplayName;
+import org.junit.jupiter.api.Nested;
+import org.junit.jupiter.api.Test;
+
+import java.time.LocalDate;
+import java.util.List;
+import java.util.Optional;
+import java.util.UUID;
+
+import static org.junit.jupiter.api.Assertions.assertDoesNotThrow;
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertFalse;
+import static org.junit.jupiter.api.Assertions.assertTrue;
+
+public class SubscriptionRepositoryTest {
+
+    private SubscriptionRepository repository;
+    private PaymentMethod paymentMethod;
+    private Subscription subscription1;
+    private Subscription subscription2;
+    private Subscription subscription3;
+
+    @BeforeEach
+    void setUp() {
+        repository = new SubscriptionRepository();
+
+        paymentMethod = PaymentMethod.builder()
+                .paymentType(PaymentType.CB.name())
+                .details("Maxime Lebreton")
+                .build();
+
+        LocalDate desiredStartDate1 = LocalDate.of(2026, 6, 24);
+        subscription1 = Subscription.builder()
+                .customerId(UUID.randomUUID())
+                .desiredSubscriptionDuration(DesiredSubscriptionDuration.THREE.getValue())
+                .paymentMethod(paymentMethod)
+                .desiredStartDate(desiredStartDate1)
+                .monthlyAmount(12.03)
+                .build();
+        subscription1.setRandomSubscriptionUUID();
+        subscription1.setDateSubscription();
+
+        UUID customCustomerId = UUID.randomUUID();
+
+        LocalDate desiredStartDate2 = LocalDate.of(2026, 7, 24);
+        subscription2 = Subscription.builder()
+                .customerId(customCustomerId)
+                .desiredSubscriptionDuration(DesiredSubscriptionDuration.SIX.getValue())
+                .paymentMethod(paymentMethod)
+                .desiredStartDate(desiredStartDate2)
+                .monthlyAmount(20)
+                .build();
+        subscription2.setRandomSubscriptionUUID();
+        subscription2.setDateSubscription();
+
+        LocalDate desiredStartDate3 = LocalDate.of(2026, 8, 24);
+        subscription3 = Subscription.builder()
+                .customerId(customCustomerId)
+                .desiredSubscriptionDuration(DesiredSubscriptionDuration.TWELVE.getValue())
+                .paymentMethod(paymentMethod)
+                .desiredStartDate(desiredStartDate3)
+                .monthlyAmount(30)
+                .build();
+        subscription3.setRandomSubscriptionUUID();
+        subscription3.setDateSubscription();
+    }
+
+    @Test
+    @DisplayName("New subecription should be empty")
+    void testNewRepositoryIsEmpty() {
+        List<Subscription> subscriptions = repository.findAll();
+
+        assertTrue(subscriptions.isEmpty());
+        assertEquals(0, subscriptions.size());
+    }
+
+    @Nested
+    @DisplayName("Save operations")
+    class SaveOperations {
+
+        @Test
+        @DisplayName("Save should add a new customer")
+        void testSaveNewSubscription() {
+            Subscription savedSubscription = repository.save(subscription1);
+
+            assertEquals(1, repository.findAll().size());
+            assertEquals(subscription1.getSubscriptionId(), savedSubscription.getSubscriptionId());
+            assertEquals(subscription1.getMonthlyAmount(), savedSubscription.getMonthlyAmount());
+        }
+
+        @Test
+        @DisplayName("Save should update existing subscription with same ID")
+        void testSaveUpdatesExistingSubscription() {
+            repository.save(subscription1);
+
+            UUID subscriptionId = subscription1.getSubscriptionId();
+            LocalDate desiredStartDate = LocalDate.of(2026, 6, 24);
+            Subscription updatedSubscription = Subscription.builder()
+                    .subscriptionId(subscriptionId)
+                    .customerId(UUID.randomUUID())
+                    .desiredSubscriptionDuration(DesiredSubscriptionDuration.SIX.getValue())
+                    .paymentMethod(paymentMethod)
+                    .desiredStartDate(desiredStartDate)
+                    .monthlyAmount(20)
+                    .build();
+
+            Subscription savedCustomer = repository.save(updatedSubscription);
+
+            assertEquals(1, repository.findAll().size());
+            assertEquals(subscriptionId, savedCustomer.getSubscriptionId());
+            assertEquals(6, savedCustomer.getDesiredSubscriptionDuration());
+            assertEquals(20, savedCustomer.getMonthlyAmount());
+        }
+
+        @Test
+        @DisplayName("Save multiple subscriptions should add all of them")
+        void testSaveMultipleSubscriptions() {
+            repository.save(subscription1);
+            repository.save(subscription2);
+
+            List<Subscription> subscriptions = repository.findAll();
+
+            assertEquals(2, subscriptions.size());
+            assertTrue(subscriptions.contains(subscription1));
+            assertTrue(subscriptions.contains(subscription2));
+        }
+    }
+
+    @Nested
+    @DisplayName("Find operations")
+    class FindOperations {
+
+        @BeforeEach
+        void setUpSubscriptions() {
+            repository.save(subscription1);
+            repository.save(subscription2);
+            repository.save(subscription3);
+        }
+
+        @Test
+        @DisplayName("FindAll should return all subscriptions")
+        void testFindAll() {
+            List<Subscription> subscriptions = repository.findAll();
+
+            assertEquals(3, subscriptions.size());
+            assertTrue(subscriptions.contains(subscription1));
+            assertTrue(subscriptions.contains(subscription2));
+            assertTrue(subscriptions.contains(subscription3));
+        }
+
+        @Test
+        @DisplayName("FindBySubscriptionId should return subscription with matching ID")
+        void testFindBySubscriptionId() {
+            Optional<Subscription> foundSubscription = repository.findBySubscriptionId(subscription1.getSubscriptionId());
+
+            assertTrue(foundSubscription.isPresent());
+            assertEquals(subscription1.getStartDate(), foundSubscription.get().getStartDate());
+            assertEquals(subscription1.getMonthlyAmount(), foundSubscription.get().getMonthlyAmount());
+        }
+
+        @Test
+        @DisplayName("FindBySubscriptionId should return empty Optional when ID doesn't exist")
+        void testFindBySubscriptionIdNotFound() {
+            UUID nonExistentSubscriptionId = UUID.randomUUID();
+
+            Optional<Subscription> foundSubscription = repository.findBySubscriptionId(nonExistentSubscriptionId);
+
+            assertTrue(foundSubscription.isEmpty());
+        }
+
+        @Test
+        @DisplayName("FindByCustomerId should return subscription with matching ID")
+        void testFindByCustomerId() {
+            List<Subscription> foundSubscriptions = repository.FindByCustomerId(subscription2.getCustomerId());
+
+            assertFalse(foundSubscriptions.isEmpty());
+            assertTrue(foundSubscriptions.contains(subscription2));
+            assertTrue(foundSubscriptions.contains(subscription3));
+        }
+
+        @Test
+        @DisplayName("FindByCustomerId should return empty Optional when ID doesn't exist")
+        void testFindByCustomerIdNotFound() {
+            UUID nonExistentCustomerId = UUID.randomUUID();
+
+            List<Subscription> foundSubscription = repository.FindByCustomerId(nonExistentCustomerId);
+
+            assertTrue(foundSubscription.isEmpty());
+        }
+
+        @Test
+        @DisplayName("ExistsBySubscriptionId should return true when ID exists")
+        void testExistsBySubscriptionIdExists() {
+            boolean exists = repository.existsBySubscriptionId(subscription1.getSubscriptionId());
+
+            assertTrue(exists);
+        }
+
+        @Test
+        @DisplayName("ExistsBySubscriptionId should return false when ID doesn't exist")
+        void testExistsBySubscriptionIdNotExists() {
+            UUID nonExistentSubscriptionId = UUID.randomUUID();
+
+            boolean exists = repository.existsBySubscriptionId(nonExistentSubscriptionId);
+
+            assertFalse(exists);
+        }
+
+        @Test
+        @DisplayName("ExistsByCustomerId should return true when ID exists")
+        void testExistsByCustomerIdExists() {
+            boolean exists = repository.existsByCustomerId(subscription1.getCustomerId());
+
+            assertTrue(exists);
+        }
+
+        @Test
+        @DisplayName("ExistsByCustomerId should return false when ID doesn't exist")
+        void testExistsByCustomerIdNotExists() {
+            UUID nonExistentCustomerId = UUID.randomUUID();
+
+            boolean exists = repository.existsByCustomerId(nonExistentCustomerId);
+
+            assertFalse(exists);
+        }
+    }
+
+    @Nested
+    @DisplayName("Delete operations")
+    class DeleteOperations {
+
+        @BeforeEach
+        void setUpSubscriptions() {
+            repository.save(subscription1);
+            repository.save(subscription2);
+            repository.save(subscription3);
+        }
+
+        @Test
+        @DisplayName("Delete should remove the specified subscription")
+        void testDelete() {
+            repository.delete(subscription1);
+
+            List<Subscription> subscriptions = repository.findAll();
+
+            assertEquals(2, subscriptions.size());
+            assertFalse(subscriptions.contains(subscription1));
+            assertTrue(subscriptions.contains(subscription2));
+            assertTrue(subscriptions.contains(subscription3));
+        }
+
+        @Test
+        @DisplayName("DeleteAll should remove all subscriptions of a customer")
+        void testDeleteAllSubscriptionOfACustomer() {
+            repository.deleteByCustomerId(subscription2.getCustomerId());
+
+            List<Subscription> subscriptions = repository.findAll();
+
+            assertEquals(1, subscriptions.size());
+            assertTrue(subscriptions.contains(subscription1));
+        }
+
+        @Test
+        @DisplayName("DeleteAll should remove all subscriptions")
+        void testDeleteAll() {
+            repository.deleteAll();
+
+            List<Subscription> subscriptions = repository.findAll();
+
+            assertTrue(subscriptions.isEmpty());
+            assertEquals(0, subscriptions.size());
+        }
+
+        @Test
+        @DisplayName("Delete should not throw exception when customer doesn't exist")
+        void testDeleteNonExistentCustomer() {
+            LocalDate desiredStartDate = LocalDate.of(2026, 6, 24);
+            Subscription nonExistentsubscription = Subscription.builder()
+                    .customerId(UUID.randomUUID())
+                    .desiredSubscriptionDuration(DesiredSubscriptionDuration.THREE.getValue())
+                    .paymentMethod(paymentMethod)
+                    .desiredStartDate(desiredStartDate)
+                    .monthlyAmount(12.03)
+                    .build();
+            nonExistentsubscription.setRandomSubscriptionUUID();
+            nonExistentsubscription.setDateSubscription();
+
+            assertDoesNotThrow(() -> repository.delete(nonExistentsubscription));
+
+            assertEquals(3, repository.findAll().size());
+        }
+    }
+}

src/test/java/fr/iut_fbleau/but3/dev62/mylibrary/subscription/usecase/SubscriptionUseCaseTest.java

@@ -0,0 +1,273 @@
+package fr.iut_fbleau.but3.dev62.mylibrary.subscription.usecase;
+
+import fr.iut_fbleau.but3.dev62.mylibrary.review.exception.NotValidReviewException;
+import fr.iut_fbleau.but3.dev62.mylibrary.subscription.*;
+import fr.iut_fbleau.but3.dev62.mylibrary.subscription.entity.PaymentMethod;
+import fr.iut_fbleau.but3.dev62.mylibrary.subscription.entity.Subscription;
+import fr.iut_fbleau.but3.dev62.mylibrary.subscription.exception.NotValidSubscriptionException;
+import fr.iut_fbleau.but3.dev62.mylibrary.subscription.exception.SubscriptionNotFoundException;
+import fr.iut_fbleau.but3.dev62.mylibrary.subscription.repository.SubscriptionRepository;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.DisplayName;
+import org.junit.jupiter.api.Nested;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.extension.ExtendWith;
+import org.mockito.InjectMocks;
+import org.mockito.Mock;
+import org.mockito.junit.jupiter.MockitoExtension;
+
+import java.time.LocalDate;
+import java.util.List;
+import java.util.Map;
+import java.util.Optional;
+import java.util.UUID;
+
+import static org.junit.jupiter.api.Assertions.*;
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.Mockito.*;
+import static org.mockito.Mockito.never;
+
+@ExtendWith(MockitoExtension.class)
+public class SubscriptionUseCaseTest {
+
+    @Mock
+    private SubscriptionRepository subscriptionRepository;
+
+    @InjectMocks
+    private SubscriptionUseCase subscriptionUseCase;
+
+    private UUID subscriptionId;
+    private UUID customerId;
+    private Integer desiredSubscriptionDuration;
+    private PaymentMethod paymentMethod;
+    private LocalDate desiredStartDate;
+    private double monthlyAmount;
+    private Subscription testSubscription;
+    private SubscriptionInfo validSubscriptionInfo;
+    private PaymentMethodInfo validPaymentMethodInfo;
+
+    @BeforeEach
+    void setUp() {
+        subscriptionId = UUID.randomUUID();
+        customerId = UUID.randomUUID();
+        desiredSubscriptionDuration = DesiredSubscriptionDuration.THREE.getValue();
+        desiredStartDate = LocalDate.of(2026, 6, 24);
+        paymentMethod = PaymentMethod.builder()
+                .paymentType(PaymentType.CB.name())
+                .details("Maxime Lebreton")
+                .build();
+        monthlyAmount = 12.99;
+
+        testSubscription = Subscription.builder()
+                .subscriptionId(subscriptionId)
+                .customerId(customerId)
+                .desiredSubscriptionDuration(desiredSubscriptionDuration)
+                .paymentMethod(paymentMethod)
+                .desiredStartDate(desiredStartDate)
+                .monthlyAmount(monthlyAmount)
+                .build();
+
+        validPaymentMethodInfo = new PaymentMethodInfo(PaymentType.PAYPAL.name(),"");
+        validSubscriptionInfo = new SubscriptionInfo(desiredSubscriptionDuration, desiredStartDate);
+    }
+
+    @Nested
+    @DisplayName("Register subscription tests")
+    class RegisterSubscriptionTests {
+
+        @Test
+        @DisplayName("Should register review when valid data is provided")
+        void testRegisterSubscriptionithValidData() throws NotValidSubscriptionException {
+            when(subscriptionRepository.save(any(Subscription.class))).thenReturn(testSubscription);
+
+            Map<String, Object> registeredSubscription = subscriptionUseCase.registerSubscription(validSubscriptionInfo, validPaymentMethodInfo);
+
+            assertNotNull(registeredSubscription);
+            assertEquals(subscriptionId, (UUID) registeredSubscription.get("subscriptionId"));
+            verify(subscriptionRepository, times(1)).save(any(Subscription.class));
+        }
+
+        @Test
+        @DisplayName("Should throw exception when review data is not valid")
+        void testRegisterSubscriptionWithInvalidData() {
+            PaymentMethodInfo invalidPaymentMethodInfo = new PaymentMethodInfo("carte","");
+            SubscriptionInfo invalidSubscriptionInfo = new SubscriptionInfo(0, desiredStartDate);
+
+            assertThrows(NotValidSubscriptionException.class,
+                    () -> subscriptionUseCase.registerSubscription(invalidSubscriptionInfo, invalidPaymentMethodInfo));
+
+            verify(subscriptionRepository, never()).save(any(Subscription.class));
+        }
+    }
+
+    @Nested
+    @DisplayName("Find subscription tests")
+    class FindSubscriptionTests {
+
+        @Test
+        @DisplayName("Should return reviews when customer ID exists")
+        void testFindSubscriptionByCustomerId() {
+            when(subscriptionRepository.FindByCustomerId(customerId)).thenReturn(List.of(testSubscription));
+
+            List<SubscriptionDTO> foundSubscriptions = subscriptionUseCase.findSubscriptionByCustomerId(customerId);
+
+            assertFalse(foundSubscriptions.isEmpty());
+            boolean allSameCustomer = foundSubscriptions.stream()
+                    .allMatch(review -> review.getCustomerId().equals(customerId));
+            assertTrue(allSameCustomer);
+            verify(subscriptionRepository, times(1)).FindByCustomerId(customerId);
+        }
+
+        @Test
+        @DisplayName("Should return empty Optional when customer ID doesn't exist")
+        void testFindSubscriptionByCustomerIdNotFound() {
+            UUID nonExistentCustomerId = UUID.randomUUID();
+            when(subscriptionRepository.FindByCustomerId(nonExistentCustomerId)).thenReturn(List.of());
+
+            List<SubscriptionDTO> foundSubscriptions = subscriptionUseCase.findSubscriptionByCustomerId(nonExistentCustomerId);
+
+            assertTrue(foundSubscriptions.isEmpty());
+            verify(subscriptionRepository, times(1)).FindByCustomerId(nonExistentCustomerId);
+        }
+
+        @Test
+        @DisplayName("Should return subscription when Subscription ID exists")
+        void testFindSubscriptionBySubscriptionId() {
+            when(subscriptionRepository.findBySubscriptionId(subscriptionId)).thenReturn(Optional.of(testSubscription));
+
+            Optional<SubscriptionDTO> foundSubscription = subscriptionUseCase.findSubscriptionBySubscriptionId(subscriptionId);
+
+            assertTrue(foundSubscription.isPresent());
+            assertEquals(testSubscription.getCustomerId(), foundSubscription.get().getCustomerId());
+            assertEquals(testSubscription.getMonthlyAmount(), foundSubscription.get().getMonthlyAmount());
+            verify(subscriptionRepository, times(1)).findBySubscriptionId(subscriptionId);
+        }
+
+        @Test
+        @DisplayName("Should return empty Optional when subscription ID doesn't exist")
+        void testFindSubscriptionBySubscriptionIdNotFound() {
+            UUID nonExistentSubscriptionId = UUID.randomUUID();
+            when(subscriptionRepository.findBySubscriptionId(nonExistentSubscriptionId)).thenReturn(Optional.empty());
+
+            Optional<SubscriptionDTO> foundSubscription = subscriptionUseCase.findSubscriptionBySubscriptionId(nonExistentSubscriptionId);
+
+            assertTrue(foundSubscription.isEmpty());
+            verify(subscriptionRepository, times(1)).findBySubscriptionId(nonExistentSubscriptionId);
+        }
+    }
+
+    @Nested
+    @DisplayName("Update subscription tests")
+    class UpdateSubscriptionTests {
+
+        @Test
+        @DisplayName("Should update subscription when valid data is provided")
+        void testUpdateSubscriptionWithValidData() throws SubscriptionNotFoundException, NotValidReviewException {
+            when(subscriptionRepository.findBySubscriptionId(subscriptionId)).thenReturn(Optional.of(testSubscription));
+
+            LocalDate updateDdesiredStartDate = LocalDate.of(2026, 6, 24);
+            Subscription updatedSubscription = Subscription.builder()
+                    .subscriptionId(subscriptionId)
+                    .customerId(customerId)
+                    .desiredSubscriptionDuration(desiredSubscriptionDuration)
+                    .paymentMethod(paymentMethod)
+                    .desiredStartDate(desiredStartDate)
+                    .monthlyAmount(monthlyAmount)
+                    .build();
+
+            when(subscriptionRepository.save(any(Subscription.class))).thenReturn(updatedSubscription);
+
+            SubscriptionInfo updateInfo = new SubscriptionInfo(DesiredSubscriptionDuration.SIX.getValue(), updateDdesiredStartDate);
+
+            SubscriptionDTO result = subscriptionUseCase.updateSubscription(subscriptionId, updateInfo, validPaymentMethodInfo);
+
+            assertNotNull(result);
+            assertEquals(customerId, result.getCustomerId());
+            assertEquals(monthlyAmount, result.getMonthlyAmount());
+            verify(subscriptionRepository, times(1)).findBySubscriptionId(subscriptionId);
+            verify(subscriptionRepository, times(1)).save(any(Subscription.class));
+        }
+
+        @Test
+        @DisplayName("Should throw exception when subscription ID doesn't exist")
+        void testUpdateSubscriptionNotFound() {
+            UUID nonExistentSubscriptionId = UUID.randomUUID();
+            when(subscriptionRepository.findBySubscriptionId(nonExistentSubscriptionId)).thenReturn(Optional.empty());
+
+            SubscriptionInfo updateInfo = new SubscriptionInfo(desiredSubscriptionDuration, desiredStartDate);
+
+            assertThrows(SubscriptionNotFoundException.class,
+                    () -> subscriptionUseCase.updateSubscription(nonExistentSubscriptionId, updateInfo, validPaymentMethodInfo));
+
+            verify(subscriptionRepository, times(1)).findBySubscriptionId(nonExistentSubscriptionId);
+            verify(subscriptionRepository, never()).save(any(Subscription.class));
+        }
+
+        @Test
+        @DisplayName("Should throw exception when update data is not valid")
+        void testUpdateSubscriptionWithInvalidData() {
+            SubscriptionInfo invalidUpdateInfo = new SubscriptionInfo(0, desiredStartDate);
+
+            assertThrows(NotValidSubscriptionException.class,
+                    () -> subscriptionUseCase.updateSubscription(subscriptionId, invalidUpdateInfo, validPaymentMethodInfo));
+
+            verify(subscriptionRepository, never()).findBySubscriptionId(any(UUID.class));
+            verify(subscriptionRepository, never()).save(any(Subscription.class));
+        }
+    }
+
+    @Nested
+    @DisplayName("Delete subscription tests")
+    class DeleteSubscriptionTests {
+
+        @Test
+        @DisplayName("Should delete subscriptions when customer ID exists")
+        void testDeleteSubscriptionsOfACustomer() throws SubscriptionNotFoundException {
+            when(subscriptionRepository.FindByCustomerId(customerId)).thenReturn(List.of(testSubscription));
+            doNothing().when(subscriptionRepository).delete(testSubscription);
+
+            subscriptionUseCase.deleteSubscriptionsOfACustomer(customerId);
+
+            verify(subscriptionRepository, times(1)).FindByCustomerId(customerId);
+            verify(subscriptionRepository, times(1)).delete(testSubscription);
+        }
+
+        @Test
+        @DisplayName("Should throw exception when customer ID doesn't exist")
+        void testDeleteSubscriptionsOfACustomerNotFound() {
+            UUID nonExistentCustomerId = UUID.randomUUID();
+            when(subscriptionRepository.FindByCustomerId(nonExistentCustomerId)).thenReturn(List.of());
+
+            assertThrows(SubscriptionNotFoundException.class,
+                    () -> subscriptionUseCase.deleteSubscriptionsOfACustomer(nonExistentCustomerId));
+
+            verify(subscriptionRepository, times(1)).FindByCustomerId(nonExistentCustomerId);
+            verify(subscriptionRepository, never()).delete(any(Subscription.class));
+        }
+
+        @Test
+        @DisplayName("Should delete subscription when subscription ID exist")
+        void testDeleteSubscription() throws SubscriptionNotFoundException {
+            when(subscriptionRepository.findBySubscriptionId(subscriptionId)).thenReturn(Optional.of(testSubscription));
+            doNothing().when(subscriptionRepository).delete(testSubscription);
+
+            subscriptionUseCase.deleteSubscription(subscriptionId);
+
+            verify(subscriptionRepository, times(1)).findBySubscriptionId(subscriptionId);
+            verify(subscriptionRepository, times(1)).delete(testSubscription);
+        }
+
+        @Test
+        @DisplayName("Should throw exception when subscription ID doesn't exist")
+        void testDeleteSubscriptionNotFound() {
+            UUID nonExistentSubscriptionId = UUID.randomUUID();
+            when(subscriptionRepository.findBySubscriptionId(nonExistentSubscriptionId)).thenReturn(Optional.empty());
+
+            assertThrows(SubscriptionNotFoundException.class,
+                    () -> subscriptionUseCase.deleteSubscription(nonExistentSubscriptionId));
+
+            verify(subscriptionRepository, times(1)).findBySubscriptionId(nonExistentSubscriptionId);
+            verify(subscriptionRepository, never()).delete(any(Subscription.class));
+        }
+    }
+}

src/test/java/fr/iut_fbleau/but3/dev62/mylibrary/subscription/validator/SubscriptionValidatorTest.java

@@ -1,6 +1,6 @@
 package fr.iut_fbleau.but3.dev62.mylibrary.subscription.validator;
 
-import fr.iut_fbleau.but3.dev62.mylibrary.subscription.SubscriptionDurationDesired;
+import fr.iut_fbleau.but3.dev62.mylibrary.subscription.DesiredSubscriptionDuration;
 import fr.iut_fbleau.but3.dev62.mylibrary.subscription.SubscriptionInfo;
 import fr.iut_fbleau.but3.dev62.mylibrary.subscription.exception.NotValidSubscriptionException;
 import org.junit.jupiter.api.DisplayName;
@@ -21,7 +21,7 @@ public class SubscriptionValidatorTest {
     @DisplayName("Should validate subscription with valid data")
     void testValidateValidSubscription() {
         LocalDate desiredStartDate = LocalDate.of(2026, 6, 24);
-        SubscriptionInfo validSubscription = new SubscriptionInfo(SubscriptionDurationDesired.THREE.getValue(), desiredStartDate);
+        SubscriptionInfo validSubscription = new SubscriptionInfo(DesiredSubscriptionDuration.THREE.getValue(), desiredStartDate);
 
         assertDoesNotThrow(() -> SubscriptionValidator.validate(validSubscription));
     }
@@ -31,9 +31,9 @@ public class SubscriptionValidatorTest {
     class SubscriptionDurationDesiredValidationTests {
 
         @ParameterizedTest
-        @EnumSource(value = SubscriptionDurationDesired.class)
+        @EnumSource(value = DesiredSubscriptionDuration.class)
-        void testValidateSubscriptionDurationDesired(SubscriptionDurationDesired subscriptionDurationDesired) {
+        void testValidateSubscriptionDurationDesired(DesiredSubscriptionDuration desiredSubscriptionDuration) {
-            Integer validSubscriptionDurationDesired = subscriptionDurationDesired.getValue();
+            Integer validSubscriptionDurationDesired = desiredSubscriptionDuration.getValue();
             LocalDate desiredStartDate = LocalDate.of(2026, 6, 24);
             SubscriptionInfo validSubscription = new SubscriptionInfo(validSubscriptionDurationDesired, desiredStartDate);
 
@@ -41,7 +41,7 @@ public class SubscriptionValidatorTest {
         }
 
         @Test
-        @DisplayName("Should throw exception when subscriptionDurationDesired is not 3, 6 or 12")
+        @DisplayName("Should throw exception when desiredSubscriptionDuration is not 3, 6 or 12")
         void testNotValidateSubscriptionDurationDesired() {
             Integer notValidSubscriptionDurationDesired = 1 ;
             LocalDate desiredStartDate = LocalDate.of(2026, 6, 24);
@@ -63,7 +63,7 @@ public class SubscriptionValidatorTest {
         @DisplayName("Should validate when desiredStartDate is before today")
         void testValidateDesiredStartDate() {
             LocalDate desiredStartDate = LocalDate.now();
-            SubscriptionInfo validSubscription = new SubscriptionInfo(SubscriptionDurationDesired.THREE.getValue(), desiredStartDate);
+            SubscriptionInfo validSubscription = new SubscriptionInfo(DesiredSubscriptionDuration.THREE.getValue(), desiredStartDate);
 
             assertDoesNotThrow(() -> SubscriptionValidator.validate(validSubscription));
         }
@@ -72,7 +72,7 @@ public class SubscriptionValidatorTest {
         @DisplayName("Should throw exception when desiredStartDate is before today")
         void testNotValidateDesiredStartDate() {
             LocalDate desiredStartDate = LocalDate.of(2026, 3, 24);
-            SubscriptionInfo validSubscription = new SubscriptionInfo(SubscriptionDurationDesired.THREE.getValue(), desiredStartDate);
+            SubscriptionInfo validSubscription = new SubscriptionInfo(DesiredSubscriptionDuration.THREE.getValue(), desiredStartDate);
 
             NotValidSubscriptionException exception = assertThrows(
                     NotValidSubscriptionException.class,