diff --git a/Mediatek.Tests/Mediatek.Tests.csproj b/Mediatek.Tests/Mediatek.Tests.csproj
index 23ff553..191195d 100644
--- a/Mediatek.Tests/Mediatek.Tests.csproj
+++ b/Mediatek.Tests/Mediatek.Tests.csproj
@@ -50,6 +50,7 @@
     <Reference Include="System.Windows.Forms" />
   </ItemGroup>
   <ItemGroup>
+    <Compile Include="documentTest.cs" />
     <Compile Include="UnitTest1.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
   </ItemGroup>
diff --git a/Mediatek.Tests/documentTest.cs b/Mediatek.Tests/documentTest.cs
new file mode 100644
index 0000000..054de7b
--- /dev/null
+++ b/Mediatek.Tests/documentTest.cs
@@ -0,0 +1,104 @@
+using Microsoft.VisualStudio.TestTools.UnitTesting;
+using MediaTekDocuments.model;
+using System;
+
+namespace Mediatek.Tests
+{
+    [TestClass]
+    public class ModelTests
+    {
+        [TestMethod]
+        public void TestLivre_Initialization()
+        {
+            // Données de test
+            string id = "001";
+            string titre = "Le Seigneur des Anneaux";
+            string image = "image.jpg";
+            string isbn = "123456";
+            string auteur = "J.R.R. Tolkien";
+            string collection = "Pocket";
+            string idGenre = "G01";
+            string genre = "Fantastique";
+            string idPublic = "P01";
+            string lePublic = "Adulte";
+            string idRayon = "R01";
+            string rayon = "Rayon 1";
+
+            // Instanciation
+            Livre livre = new Livre(id, titre, image, isbn, auteur, collection, idGenre, genre, idPublic, lePublic, idRayon, rayon);
+
+            // Assertions
+            Assert.AreEqual(id, livre.Id);
+            Assert.AreEqual(titre, livre.Titre);
+            Assert.AreEqual(auteur, livre.Auteur);
+            Assert.AreEqual(isbn, livre.Isbn);
+            Assert.AreEqual(genre, livre.Genre);
+        }
+
+        [TestMethod]
+        public void TestRevue_Initialization()
+        {
+            Revue revue = new Revue("003", "Science et Vie", "img.jpg", "G03", "Science", "P01", "Adulte", "R03", "Rayon 3", "Mensuel", 15);
+
+            Assert.AreEqual("003", revue.Id);
+            Assert.AreEqual("Science et Vie", revue.Titre);
+            Assert.AreEqual("Mensuel", revue.Periodicite);
+            Assert.AreEqual(15, revue.DelaiMiseADispo);
+        }
+
+    }
+
+    [TestClass]
+    public class CommandeModelTests
+    {
+        [TestMethod]
+        public void TestAbonnement_Initialization()
+        {
+            string id = "A001";
+            DateTime dateCommande = new DateTime(2023, 10, 01, 0, 0, 0, DateTimeKind.Local);
+            double montant = 50.5;
+            DateTime dateFin = new DateTime(2024, 10, 01, 0, 0, 0, DateTimeKind.Local);
+            string idRevue = "R001";
+
+            Abonnement abo = new Abonnement(id, dateCommande, montant, dateFin, idRevue);
+
+            Assert.AreEqual(id, abo.Id);
+            Assert.AreEqual(montant, abo.Montant);
+            Assert.AreEqual(dateFin, abo.DateFinAbonnement);
+            Assert.AreEqual(idRevue, abo.IdRevue);
+        }
+
+        [TestMethod]
+        public void TestCommandeDocument_Initialization()
+        {
+            CommandeDocument cmd = new CommandeDocument("C001", DateTime.Now, 25.0, 5, "L001", 1, "En cours");
+
+            Assert.AreEqual(5, cmd.NbExemplaire);
+            Assert.AreEqual("L001", cmd.IdLivreDvd);
+            Assert.AreEqual("En cours", cmd.LibelleSuivi);
+        }
+    }
+
+    [TestClass]
+    public class SystemModelTests
+    {
+        [TestMethod]
+        public void TestUtilisateur_Initialization()
+        {
+            Utilisateur user = new Utilisateur("1", "jdupont", "dupont", "Jean", 2, "Prêts");
+
+            Assert.AreEqual("jdupont", user.Identifiant);
+            Assert.AreEqual("Jean", user.Prenom);
+            Assert.AreEqual("Prêts", user.LibelleService);
+        }
+
+        [TestMethod]
+        public void TestEtat_Initialization()
+        {
+            Etat etat = new Etat("00001", "Neuf");
+            Assert.AreEqual("00001", etat.Id);
+            Assert.AreEqual("Neuf", etat.Libelle);
+        }
+    }
+
+}
\ No newline at end of file