diff --git a/src/main/java/fr/eni/demo/bo/Location.java b/src/main/java/fr/eni/demo/bo/Location.java
index 64a8649..c8ec88e 100644
--- a/src/main/java/fr/eni/demo/bo/Location.java
+++ b/src/main/java/fr/eni/demo/bo/Location.java
@@ -27,11 +27,11 @@ public class Location {
   @Column(name = "LOCATION_END_DATE")
   private Date endDate;
 
-  @ManyToOne(fetch = FetchType.LAZY)
+  @ManyToOne(cascade = CascadeType.ALL, fetch = FetchType.LAZY)
   @JoinColumn(name = "CLIENT_ID", nullable = false)
   private Client client;
 
-  @ManyToOne(fetch = FetchType.LAZY)
+  @ManyToOne(cascade = CascadeType.ALL, fetch = FetchType.LAZY)
   @JoinColumn(name = "GAME_ID", nullable = false)
   private Stock stock;
 }
diff --git a/src/test/java/fr/eni/demo/bo/AdresseTest.java b/src/test/java/fr/eni/demo/bo/AdresseTest.java
index dee7fcd..1c57483 100644
--- a/src/test/java/fr/eni/demo/bo/AdresseTest.java
+++ b/src/test/java/fr/eni/demo/bo/AdresseTest.java
@@ -11,7 +11,7 @@ import static org.junit.jupiter.api.Assertions.assertNull;
 public class AdresseTest {
 
   @Test
-  @DisplayName("-- Test add Adresse builder : SUCCESS --")
+  @DisplayName("-- Test add Adresse with builder : SUCCESS --")
   void testAddAdresseSuccess() {
     Adresse adresse = new Adresse();
     adresse.setCodePostal("75000");
@@ -23,7 +23,7 @@ public class AdresseTest {
   }
 
   @Test
-  @DisplayName("-- Test add Addresse builder : FAILED --")
+  @DisplayName("-- Test add Addresse with builder : FAILED --")
   void testAddAdresseFailed() {
     Adresse adresse = new Adresse();
     adresse.setCodePostal("44000");
diff --git a/src/test/java/fr/eni/demo/bo/ClientTest.java b/src/test/java/fr/eni/demo/bo/ClientTest.java
index c3ebb84..0659cd3 100644
--- a/src/test/java/fr/eni/demo/bo/ClientTest.java
+++ b/src/test/java/fr/eni/demo/bo/ClientTest.java
@@ -11,7 +11,7 @@ import static org.junit.jupiter.api.Assertions.assertNull;
 public class ClientTest {
 
   @Test
-  @DisplayName("-- Test add Client builder with Adresse : SUCESS --")
+  @DisplayName("-- Test add Client and adresse with builder : SUCESS --")
   void testAddClientSuccess() {
     Client client = new Client();
     client.setEmail("olivier@test.fr");
@@ -30,7 +30,7 @@ public class ClientTest {
   }
 
   @Test
-  @DisplayName("-- Test add Client builder without Adresse : FAILED --")
+  @DisplayName("-- Test add Client with builder: FAILED --")
   void testAddClientFail() {
     Client client = new Client();
     client.setEmail("julien@test.fr");
diff --git a/src/test/java/fr/eni/demo/bo/GameTypeTest.java b/src/test/java/fr/eni/demo/bo/GameTypeTest.java
index af2968f..4e6bf5c 100644
--- a/src/test/java/fr/eni/demo/bo/GameTypeTest.java
+++ b/src/test/java/fr/eni/demo/bo/GameTypeTest.java
@@ -10,7 +10,7 @@ import static org.junit.jupiter.api.Assertions.assertNotNull;
 public class GameTypeTest {
 
   @Test
-  @DisplayName("-- Test add GameType builder : SUCCESS --")
+  @DisplayName("-- Test add GameType with builder : SUCCESS --")
   void testAddGameTypeSuccess() {
     GameType gt = new GameType();
     gt.setName("FPS");
@@ -18,4 +18,5 @@ public class GameTypeTest {
     assertNotNull(gt);
     System.out.println(gt);
   }
+  // You cant failed to create a GameType...
 }
diff --git a/src/test/java/fr/eni/demo/bo/LocationTest.java b/src/test/java/fr/eni/demo/bo/LocationTest.java
index 91db7ed..9392403 100644
--- a/src/test/java/fr/eni/demo/bo/LocationTest.java
+++ b/src/test/java/fr/eni/demo/bo/LocationTest.java
@@ -17,7 +17,7 @@ import static org.junit.jupiter.api.Assertions.assertNull;
 public class LocationTest {
 
   @Test
-  @DisplayName("-- Test add Location with game and client builder : SUCCESS")
+  @DisplayName("-- Test add Location, game and client with builder : SUCCESS --")
   void testAddLocationGameSuccess() {
     Adresse adresse = new Adresse();
     adresse.setVille("Paris");
@@ -63,7 +63,7 @@ public class LocationTest {
   }
 
   @Test
-  @DisplayName("-- Test add location with game but without client builder : FAILED --")
+  @DisplayName("-- Test add location and game but without client with builder : FAILED --")
   void testAddLocationGameFailure() {
     GameType gt = new GameType();
     gt.setName("Aventure");
diff --git a/src/test/java/fr/eni/demo/bo/StockTest.java b/src/test/java/fr/eni/demo/bo/StockTest.java
index ec87db2..9080847 100644
--- a/src/test/java/fr/eni/demo/bo/StockTest.java
+++ b/src/test/java/fr/eni/demo/bo/StockTest.java
@@ -15,7 +15,7 @@ import static org.junit.jupiter.api.Assertions.assertNull;
 public class StockTest {
 
   @Test
-  @DisplayName("-- Test add Stock builder : SUCCESS --")
+  @DisplayName("-- Test add Stock and gameType with builder : SUCCESS --")
   void testAddStockBuilder() {
     GameType gt = new GameType();
     gt.setName("RPG");
@@ -37,7 +37,7 @@ public class StockTest {
   }
 
   @Test
-  @DisplayName("-- Test add Stock builder : FAILED --")
+  @DisplayName("-- Test add Stock and gameType with builder : FAILED --")
   void testAddStockBuilderFailed() {
     GameType gt = new GameType();
     gt.setName("Plateforme");
@@ -51,6 +51,7 @@ public class StockTest {
     stock.setDescription("Jeu de plateforme pas compliqué");
     stock.setDailyPrice(8.10);
     stock.setGameType(gtList);
+    assertNotNull(stock);
     assertNull(stock.getRef());
   }
 }
diff --git a/src/test/java/fr/eni/demo/dal/AdresseRepositoryTest.java b/src/test/java/fr/eni/demo/dal/AdresseRepositoryTest.java
new file mode 100644
index 0000000..9daa9c4
--- /dev/null
+++ b/src/test/java/fr/eni/demo/dal/AdresseRepositoryTest.java
@@ -0,0 +1,43 @@
+package fr.eni.demo.dal;
+
+import fr.eni.demo.bo.Adresse;
+import org.junit.jupiter.api.DisplayName;
+import org.junit.jupiter.api.Test;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+@SpringBootTest
+public class AdresseRepositoryTest {
+
+  @Autowired
+  AdresseRepository adresseRepo;
+
+  @Test
+  @DisplayName("-- Test add Adresse with repo : SUCCESS --")
+  void testAddAdresseRepo() {
+    Adresse adresse = new Adresse();
+    adresse.setCodePostal("75000");
+    adresse.setRue("Rue de la paix");
+    adresse.setVille("Paris");
+
+    assertNotNull(adresse);
+    adresseRepo.save(adresse);
+    System.out.println(adresse);
+  }
+
+  @Test
+  @DisplayName("-- Test add Adresse with repo : FAILED --")
+  void testAddAdresseRepoFail() {
+    Adresse adresse = new Adresse();
+    adresse.setCodePostal("44000");
+    adresse.setRue("Rue d'Orvault");
+    adresse.setVille(null); // ville manquante volontairement
+
+    assertThrows(Exception.class, () -> {
+      adresseRepo.saveAndFlush(adresse);
+    });
+    System.out.println(adresse);
+  }
+}
diff --git a/src/test/java/fr/eni/demo/dal/ClientRepositoryTest.java b/src/test/java/fr/eni/demo/dal/ClientRepositoryTest.java
new file mode 100644
index 0000000..baa88e1
--- /dev/null
+++ b/src/test/java/fr/eni/demo/dal/ClientRepositoryTest.java
@@ -0,0 +1,53 @@
+package fr.eni.demo.dal;
+
+import fr.eni.demo.bo.Adresse;
+import fr.eni.demo.bo.Client;
+import org.junit.jupiter.api.DisplayName;
+import org.junit.jupiter.api.Test;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+@SpringBootTest
+public class ClientRepositoryTest {
+
+  @Autowired
+  ClientRepository clientRepo;
+
+  @Test
+  @DisplayName("-- Test add Client and Adresse with Repo : SUCCESS --")
+  void testAddClientSuccess() {
+    Client client = new Client();
+    client.setEmail("olivier@test.fr");
+    client.setNom("Parpaillon");
+    client.setPrenom("Olivier");
+
+    Adresse adresse = new Adresse();
+    adresse.setRue("666 Rue des Enfers");
+    adresse.setCodePostal("44000");
+    adresse.setVille("Nantes");
+    client.setAdresse(adresse);
+
+    assertNotNull(adresse);
+    assertNotNull(client);
+    clientRepo.save(client);
+    System.out.println(client);
+  }
+
+  @Test
+  @DisplayName("-- Test add Client without Adresse with repo : FAILED --")
+  void testAddClientFailed() {
+    Client client = new Client();
+    client.setEmail("julien@test.fr");
+    client.setNom("Chateau");
+    client.setPrenom("Julien");
+
+    assertNull(client.getAdresse());
+    assertThrows(Exception.class, () -> {
+      clientRepo.saveAndFlush(client);
+    });
+    System.out.println(client);
+    System.out.println(client.getAdresse());
+  }
+}
diff --git a/src/test/java/fr/eni/demo/dal/GameTypeRepositoryTest.java b/src/test/java/fr/eni/demo/dal/GameTypeRepositoryTest.java
new file mode 100644
index 0000000..5c9d9c6
--- /dev/null
+++ b/src/test/java/fr/eni/demo/dal/GameTypeRepositoryTest.java
@@ -0,0 +1,28 @@
+package fr.eni.demo.dal;
+
+import fr.eni.demo.bo.GameType;
+import org.junit.jupiter.api.DisplayName;
+import org.junit.jupiter.api.Test;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+
+import static org.junit.jupiter.api.Assertions.assertNotNull;
+
+@SpringBootTest
+public class GameTypeRepositoryTest {
+
+  @Autowired
+  GameTypeRepository gameTypeRepo;
+
+  @Test
+  @DisplayName("-- Test add GameType with repo : SUCCESS --")
+  void testAddGameTypeSuccess() {
+    GameType gt = new GameType();
+    gt.setName("FPS");
+
+    assertNotNull(gt);
+    gameTypeRepo.save(gt);
+    System.out.println(gt);
+  }
+  // You cant failed to create a GameType...
+}
diff --git a/src/test/java/fr/eni/demo/dal/LocationRepositoryTest.java b/src/test/java/fr/eni/demo/dal/LocationRepositoryTest.java
new file mode 100644
index 0000000..5b2bc7c
--- /dev/null
+++ b/src/test/java/fr/eni/demo/dal/LocationRepositoryTest.java
@@ -0,0 +1,92 @@
+package fr.eni.demo.dal;
+
+import fr.eni.demo.bo.*;
+import org.junit.jupiter.api.DisplayName;
+import org.junit.jupiter.api.Test;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+
+import java.sql.Date;
+import java.time.LocalDate;
+import java.util.ArrayList;
+import java.util.List;
+
+import static org.junit.jupiter.api.Assertions.*;
+import static org.junit.jupiter.api.Assertions.assertNotNull;
+
+@SpringBootTest
+public class LocationRepositoryTest {
+
+  @Autowired
+  LocationRepository locationRepo;
+
+  @Test
+  @DisplayName("-- Test add Location, game and client with repo : SUCCESS --")
+  void testAddLocationGameSuccess() {
+    Client client = new Client();
+    client.setEmail("olivier@test.fr");
+    client.setNom("Parpaillon");
+    client.setPrenom("Olivier");
+
+    Adresse adresse = new Adresse();
+    adresse.setRue("666 Rue des Enfers");
+    adresse.setCodePostal("44000");
+    adresse.setVille("Nantes");
+    client.setAdresse(adresse);
+    assertNotNull(adresse);
+    assertNotNull(client);
+    System.out.println(client);
+
+    GameType gt = new GameType();
+    gt.setName("FPS");
+    List<GameType> gtList = new ArrayList<>();
+    assertNotNull(gt);
+    gtList.add(gt);
+
+    Stock stock = new Stock();
+    stock.setGameType(gtList);
+    stock.setRef("ZEG45456ZGJNZG4GSG");
+    stock.setName("Counter Strike 2");
+    stock.setDailyPrice(15.25);
+    stock.setDescription("Jeu de tir a la première personne stratégique");
+    assertNotNull(stock);
+    System.out.println(stock);
+
+    Location l = new Location();
+    l.setClient(client);
+    l.setStock(stock);
+    l.setStartDate(Date.valueOf(LocalDate.of(2025, 7, 8)));
+    assertNotNull(l);
+    locationRepo.saveAndFlush(l);
+    System.out.println(l);
+  }
+
+  @Test
+  @DisplayName("-- Test add Location and game but without client with repo : FAILED --")
+  void testAddLocationGameFailure() {
+    GameType gt = new GameType();
+    gt.setName("FPS");
+    List<GameType> gtList = new ArrayList<>();
+    gtList.add(gt);
+    assertNotNull(gt);
+
+    Stock stock = new Stock();
+    stock.setGameType(gtList);
+    stock.setRef("ZEG45456ZGJNZG4GSG");
+    stock.setName("Counter Strike 2");
+    stock.setDailyPrice(15.25);
+    stock.setDescription("Jeu de tir a la première personne stratégique");
+    assertNotNull(stock);
+    System.out.println(stock);
+
+    Location l = new Location();
+    l.setStock(stock);
+    l.setStartDate(Date.valueOf(LocalDate.of(2025, 7, 8)));
+    assertNotNull(l);
+    assertNull(l.getClient());
+    assertThrows(Exception.class, () -> {
+      locationRepo.saveAndFlush(l);
+    });
+    System.out.println(l);
+  }
+}
diff --git a/src/test/java/fr/eni/demo/dal/StockRepositoryTest.java b/src/test/java/fr/eni/demo/dal/StockRepositoryTest.java
new file mode 100644
index 0000000..4d4e365
--- /dev/null
+++ b/src/test/java/fr/eni/demo/dal/StockRepositoryTest.java
@@ -0,0 +1,62 @@
+package fr.eni.demo.dal;
+
+import fr.eni.demo.bo.GameType;
+import fr.eni.demo.bo.Stock;
+import org.junit.jupiter.api.DisplayName;
+import org.junit.jupiter.api.Test;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+
+import java.util.ArrayList;
+import java.util.LinkedList;
+import java.util.List;
+import java.util.Optional;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+@SpringBootTest
+public class StockRepositoryTest {
+
+  @Autowired
+  StockRepository stockRepo;
+
+  @Test
+  @DisplayName("-- Test add Stock with GameType with repo : SUCCESS --")
+  void testAddStockSuccess() {
+    GameType gt = new GameType();
+    gt.setName("FPS");
+    List<GameType> gtList = new ArrayList<>();
+    gtList.add(gt);
+
+    Stock stock = new Stock();
+    stock.setGameType(gtList);
+    stock.setRef("ZEG45456ZGJNZG4GSG");
+    stock.setName("Counter Strike 2");
+    stock.setDailyPrice(15.25);
+    stock.setDescription("Jeu de tir a la première personne stratégique");
+    assertNotNull(stock);
+    stockRepo.save(stock);
+    System.out.println(stock);
+  }
+
+  @Test
+  @DisplayName("-- Test add Stock and GameType with repo : FAILED --")
+  void testAddStockFailed() {
+    GameType gt = new GameType();
+    gt.setName("FPS");
+    List<GameType> gtList = new ArrayList<>();
+    gtList.add(gt);
+
+    Stock stock = new Stock();
+    stock.setGameType(gtList);
+    stock.setName("Super Mario Bros");
+    stock.setDailyPrice(8.10);
+    stock.setDescription("Jeu de plateforme pas compliqué");
+    assertNotNull(stock);
+    assertNull(stock.getRef());
+    assertThrows(Exception.class, () -> {
+      stockRepo.saveAndFlush(stock);
+    });
+    System.out.println(stock);
+  }
+}