diff --git a/App/Program.cs b/App/Program.cs
index 83fa4f4..7bdef8d 100644
--- a/App/Program.cs
+++ b/App/Program.cs
@@ -1,2 +1,70 @@
-// See https://aka.ms/new-console-template for more information
-Console.WriteLine("Hello, World!");
+using listBooksEF;
+using Microsoft.Extensions.DependencyModel;
+using Microsoft.Identity.Client;
+using StubbedContextLib;
+using System.Diagnostics;
+using Xunit;
+
+List<BookEntity> books = new List<BookEntity>();
+StubbedContext myStub = new StubbedContext();
+
+// Insertion de livres dans la base de données
+using (var context = new LibraryContext())
+{
+    Console.WriteLine("Insertion\n");
+
+    books = await myStub.booksStub();
+
+    // Ajoute chaque livre à la base de données de manière asynchrone
+    foreach (var book in books)
+    {
+        await context.Books.AddAsync(book);
+    }
+
+    // Enregistre les modifications dans la base de données
+    await context.SaveChangesAsync();
+}
+
+// Récupération et affichage des livres de la base de données
+using (var context = new LibraryContext())
+{
+    Console.WriteLine("Récupération\n");
+
+    foreach (var book in context.Books)
+    {
+        Console.WriteLine($"{book.Title}, Auteur : {book.Author}");
+    }
+}
+
+// Suppression d'un livre avec l'ID 2 de la base de données
+using (var context = new LibraryContext())
+{
+    Console.WriteLine("Suppression\n");
+
+    var book = context.Books.FirstOrDefault(b => b.Id == 2);
+    if (book != null)
+    {
+        context.Books.Remove(book);
+        await context.SaveChangesAsync();
+    }
+}
+
+// Modification du titre d'un livre avec l'auteur "Martin"
+using (var context = new LibraryContext())
+{
+    Console.WriteLine("Modification\n");
+
+    var bookToUpdate = context.Books.FirstOrDefault(b => b.Author == "Martin");
+    if (bookToUpdate != null)
+    {
+        bookToUpdate.Title = "Soir";
+        await context.SaveChangesAsync();
+    }
+}
+
+// Assertion sur le nombre de livres dans la base de données
+using (var context = new LibraryContext())
+{
+    var cpt = context.Books.Count();
+    Assert.Equal(cpt, 2);
+}
\ No newline at end of file
diff --git a/ContextLib/Migrations/20240122161115_testMigration.Designer.cs b/ContextLib/Migrations/20240122161115_testMigration.Designer.cs
deleted file mode 100644
index af8fda0..0000000
--- a/ContextLib/Migrations/20240122161115_testMigration.Designer.cs
+++ /dev/null
@@ -1,47 +0,0 @@
-// <auto-generated />
-using ContextLib;
-using Microsoft.EntityFrameworkCore;
-using Microsoft.EntityFrameworkCore.Infrastructure;
-using Microsoft.EntityFrameworkCore.Migrations;
-using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
-
-#nullable disable
-
-namespace ContextLib.Migrations
-{
-    [DbContext(typeof(LibraryContext))]
-    [Migration("20240122161115_testMigration")]
-    partial class testMigration
-    {
-        /// <inheritdoc />
-        protected override void BuildTargetModel(ModelBuilder modelBuilder)
-        {
-#pragma warning disable 612, 618
-            modelBuilder.HasAnnotation("ProductVersion", "8.0.1");
-
-            modelBuilder.Entity("Entities.BookEntity", b =>
-                {
-                    b.Property<long>("id")
-                        .ValueGeneratedOnAdd()
-                        .HasColumnType("INTEGER");
-
-                    b.Property<string>("Author")
-                        .IsRequired()
-                        .HasColumnType("TEXT");
-
-                    b.Property<string>("Isbn")
-                        .IsRequired()
-                        .HasColumnType("TEXT");
-
-                    b.Property<string>("Title")
-                        .IsRequired()
-                        .HasColumnType("TEXT");
-
-                    b.HasKey("id");
-
-                    b.ToTable("BooksSet");
-                });
-#pragma warning restore 612, 618
-        }
-    }
-}
diff --git a/ContextLib/Migrations/20240122161115_testMigration.cs b/ContextLib/Migrations/20240122161115_testMigration.cs
deleted file mode 100644
index efa583e..0000000
--- a/ContextLib/Migrations/20240122161115_testMigration.cs
+++ /dev/null
@@ -1,36 +0,0 @@
-using Microsoft.EntityFrameworkCore.Migrations;
-
-#nullable disable
-
-namespace ContextLib.Migrations
-{
-    /// <inheritdoc />
-    public partial class testMigration : Migration
-    {
-        /// <inheritdoc />
-        protected override void Up(MigrationBuilder migrationBuilder)
-        {
-            migrationBuilder.CreateTable(
-                name: "BooksSet",
-                columns: table => new
-                {
-                    id = table.Column<long>(type: "INTEGER", nullable: false)
-                        .Annotation("Sqlite:Autoincrement", true),
-                    Title = table.Column<string>(type: "TEXT", nullable: false),
-                    Author = table.Column<string>(type: "TEXT", nullable: false),
-                    Isbn = table.Column<string>(type: "TEXT", nullable: false)
-                },
-                constraints: table =>
-                {
-                    table.PrimaryKey("PK_BooksSet", x => x.id);
-                });
-        }
-
-        /// <inheritdoc />
-        protected override void Down(MigrationBuilder migrationBuilder)
-        {
-            migrationBuilder.DropTable(
-                name: "BooksSet");
-        }
-    }
-}
diff --git a/ContextLib/Migrations/LibraryContextModelSnapshot.cs b/ContextLib/Migrations/LibraryContextModelSnapshot.cs
deleted file mode 100644
index fb2c280..0000000
--- a/ContextLib/Migrations/LibraryContextModelSnapshot.cs
+++ /dev/null
@@ -1,44 +0,0 @@
-// <auto-generated />
-using ContextLib;
-using Microsoft.EntityFrameworkCore;
-using Microsoft.EntityFrameworkCore.Infrastructure;
-using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
-
-#nullable disable
-
-namespace ContextLib.Migrations
-{
-    [DbContext(typeof(LibraryContext))]
-    partial class LibraryContextModelSnapshot : ModelSnapshot
-    {
-        protected override void BuildModel(ModelBuilder modelBuilder)
-        {
-#pragma warning disable 612, 618
-            modelBuilder.HasAnnotation("ProductVersion", "8.0.1");
-
-            modelBuilder.Entity("Entities.BookEntity", b =>
-                {
-                    b.Property<long>("id")
-                        .ValueGeneratedOnAdd()
-                        .HasColumnType("INTEGER");
-
-                    b.Property<string>("Author")
-                        .IsRequired()
-                        .HasColumnType("TEXT");
-
-                    b.Property<string>("Isbn")
-                        .IsRequired()
-                        .HasColumnType("TEXT");
-
-                    b.Property<string>("Title")
-                        .IsRequired()
-                        .HasColumnType("TEXT");
-
-                    b.HasKey("id");
-
-                    b.ToTable("BooksSet");
-                });
-#pragma warning restore 612, 618
-        }
-    }
-}
diff --git a/ContextLib/Test.Librairy.db b/ContextLib/Test.Librairy.db
deleted file mode 100644
index 6f7d249..0000000
Binary files a/ContextLib/Test.Librairy.db and /dev/null differ
diff --git a/StubContext/StubContext.cs b/StubContext/StubContext.cs
new file mode 100644
index 0000000..03c4775
--- /dev/null
+++ b/StubContext/StubContext.cs
@@ -0,0 +1,46 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace StubContext
+{
+    public class StubContext : LibraryContext
+    {
+        public async Task<List<BookEntity>> booksStub()
+        {
+            List<BookEntity> listBook = new List<BookEntity>();
+
+            //Création des livres
+            BookEntity book1 = new BookEntity
+            {
+                Author = "Lechardeur",
+                Title = "Comment pécho 100% garanti",
+                Isbn = "696969a"
+            };
+
+            BookEntity book2 = new BookEntity
+            {
+                Author = "Vianney",
+                Title = "Gros",
+                Isbn = "0015150"
+            };
+
+            BookEntity book3 = new BookEntity
+            {
+                Author = "Khéna",
+                Title = "Khéna; un homme, un livre",
+                Isbn = "666666b"
+            };
+
+            //Ajout des livres
+            books.Add(book1);
+            books.Add(book2);
+            books.Add(book3);
+
+            return listBook;
+        }
+
+    }
+}