diff --git a/.vscode/settings.json b/.vscode/settings.json
new file mode 100644
index 0000000..32cfc61
--- /dev/null
+++ b/.vscode/settings.json
@@ -0,0 +1,5 @@
+{
+    "files.watcherExclude": {
+        "**/target": true
+    }
+}
\ No newline at end of file
diff --git a/lib/junit-4.13.2.jar b/lib/junit-4.13.2.jar
deleted file mode 100644
index 6da55d8..0000000
Binary files a/lib/junit-4.13.2.jar and /dev/null differ
diff --git a/lib/junit-platform-console-standalone-1.11.4.jar b/lib/junit-platform-console-standalone-1.11.4.jar
new file mode 100644
index 0000000..7b39ab9
Binary files /dev/null and b/lib/junit-platform-console-standalone-1.11.4.jar differ
diff --git a/src/fr/impl/CompatibilityManagerImpl.java b/src/fr/impl/CompatibilityManagerImpl.java
index 0da09cf..c3272de 100644
--- a/src/fr/impl/CompatibilityManagerImpl.java
+++ b/src/fr/impl/CompatibilityManagerImpl.java
@@ -191,7 +191,7 @@ public class CompatibilityManagerImpl implements CompatibilityManager {
             }
             
         }
-        
+        System.out.println("size = " + result.size());
         return result;
     }
 
@@ -200,7 +200,7 @@ public class CompatibilityManagerImpl implements CompatibilityManager {
     public Set<PartType> getRequirements(PartType reference) {
         Set<PartType> result = new HashSet<>();
         Femeture_Transivite(reference, result,new HashSet<>(),reference);
+        System.out.println("size = " + result.size());
         return result;
     }
-
 }
\ No newline at end of file
diff --git a/src/fr/impl/ConfigurationImpl.java b/src/fr/impl/ConfigurationImpl.java
index 3dd190e..abafba0 100644
--- a/src/fr/impl/ConfigurationImpl.java
+++ b/src/fr/impl/ConfigurationImpl.java
@@ -4,24 +4,33 @@ import src.fr.api.Category;
 import src.fr.api.PartType;
 import src.fr.api.CompatibilityManager;
 import src.fr.api.Configuration;
+
+import java.util.HashSet;
 import java.util.Set;
 
 public class ConfigurationImpl implements Configuration {
-    private Set<PartType> selectedParts;
+    private Set<PartType> selectedParts = new HashSet<PartType> ();
     private CompatibilityManager compatibilityManager;
     private static int NB_CATEGORY = 4;
-         
+
+    public ConfigurationImpl(CompatibilityManager cm){
+        this.compatibilityManager=cm;
+    }
 
     @Override
     public boolean isValid() {
         if (this.isComplete()){
             for(PartType pt: selectedParts){
+                System.out.println(pt.getName());
+
                 //Verifier Requirements
                 for(PartType require : compatibilityManager.getRequirements(pt)){
+                    System.out.println("\t"+require.getName());
                     if(!selectedParts.contains(require)) return false;
                 }
                 //Verifier Incompabilities
                 for(PartType incompa : compatibilityManager.getIncompatibilities(pt)){
+                    System.out.println("\t"+incompa.getName());
                     if(selectedParts.contains(incompa)) return false;
                 }                
             }
@@ -53,7 +62,8 @@ public class ConfigurationImpl implements Configuration {
         for( PartType pt: selectedParts){
             if(pt.getCategory().equals(cat_chosenPart)){
                 System.out.println("Il y a une pièce dans la même catégorie dans la configuration");
-                return;
+                selectedParts.remove(pt);
+                break;
             }
         }
         selectedParts.add(chosenPart);
diff --git a/src/fr/test/test.java b/src/fr/test/test.java
index c88c9ce..6faa4e2 100644
--- a/src/fr/test/test.java
+++ b/src/fr/test/test.java
@@ -7,6 +7,8 @@ import static org.junit.Assert.*;
 
 import org.junit.Before;
 import org.junit.Test;
+import org.junit.jupiter.api.BeforeAll;
+import org.junit.jupiter.api.BeforeEach;
 
 import src.fr.impl.*;
 import src.fr.api.*;
@@ -44,11 +46,6 @@ public class test {
 
     CompatibilityManager cm = new CompatibilityManagerImpl();
 
-    PartType[] list = {EG100,EG133,EG210,ED110,ED180,EH120,TM5,TM6,TA5,TS6,TSF7,TC120,XC,XM,XS,IN,IH,IS};
-    PartType[] listEn = {EG100,EG133,EG210,ED110,ED180,EH120};
-    PartType[] listTr = {TM5,TM6,TA5,TS6,TSF7,TC120};
-    PartType[] listEx = {XC,XM,XS};
-    PartType[] listIn = {IN,IH,IS};
 
 
     @Before
@@ -210,5 +207,61 @@ public class test {
         assertTrue(cm.getIncompatibilities(TSF7).contains(EG133));
         assertTrue(cm.getIncompatibilities(TSF7).contains(ED110));
     }
-        
+
+    @Test
+    public void test_isComplete(){
+        ConfigurationImpl config1 = new ConfigurationImpl(cm);
+        config1.selectPart(EG210);
+        config1.selectPart(TM5);
+        config1.selectPart(XS);
+        config1.selectPart(IS);
+
+        assertTrue(config1.isComplete());
+    }
+
+    @Test
+    public void test_isNotComplete(){
+        ConfigurationImpl config1 = new ConfigurationImpl(cm);
+        config1.selectPart(EG210);
+        config1.selectPart(TM5);
+        config1.selectPart(XS);
+
+        assertFalse(config1.isComplete());
+    }
+
+    @Test
+    public void test_isValid_empty_cm(){
+        CompatibilityManager cm2 = new CompatibilityManagerImpl();
+        ConfigurationImpl config1 = new ConfigurationImpl(cm2);
+        config1.selectPart(EG210);
+        config1.selectPart(TM5);
+        config1.selectPart(XS);
+        config1.selectPart(IS);
+
+        assertTrue(config1.isValid());
+    }
+
+    @Test
+    public void test_isValid(){
+        ConfigurationImpl config1 = new ConfigurationImpl(cm);
+        config1.selectPart(EG210);
+        config1.selectPart(TS6);
+        config1.selectPart(XS);
+        config1.selectPart(IS);
+
+        assertTrue(config1.isValid());
+    }
+
+    @Test
+    public void test_isNotValid(){
+        ConfigurationImpl config1 = new ConfigurationImpl(cm);
+        config1.selectPart(EG210);
+        config1.selectPart(TM5);
+        config1.selectPart(XS);
+        config1.selectPart(IH);
+
+        assertTrue(config1.isComplete());
+        assertFalse(config1.isValid());
+    }
+
 }