diff --git a/Sources/TestUnitaires/TU_StubManager.cs b/Sources/TestUnitaires/TU_StubManager.cs
new file mode 100644
index 0000000..a714827
--- /dev/null
+++ b/Sources/TestUnitaires/TU_StubManager.cs
@@ -0,0 +1,91 @@
+using Model;
+using Model.Serialization;
+using Model.Stub;
+using Newtonsoft.Json.Linq;
+using NuGet.Frameworks;
+using System;
+
+namespace TestUnitaires
+{
+
+    public class TU_StubManager
+    {
+        [Theory]
+        [InlineData("Réference")]
+        public void TU_Methods(string? test)
+        {
+
+            Playlist p = new Playlist(test, "PlaceHolder", "place.holder");
+            Album album = new Album(test, "place.holder", new Artist("test"), "PlaceHolder", "PlaceHolder");
+            CustomTitle t = new CustomTitle(test, "test. mp3", "Banger", "path");
+            Artist artist = new Artist(test);
+            StubManager stub = new StubManager();
+            InfoTitle info = new InfoTitle(test, "urstub.test", "infos", "desc", Genre.POP, 345);
+            /*Assert.NotEmpty(stub.Albums);
+            Assert.NotEmpty(stub.Artists);
+            Assert.NotEmpty(stub.InfoTitles);
+            Assert.NotEmpty(stub.Playlists);
+            Assert.NotEmpty(stub.CustomTitles);*/
+            stub.AddCustomTitle(t);
+            stub.AddPlaylist(p);
+            stub.AddAlbum(album);
+            stub.AddArtist(artist);
+            stub.AddInfoTitle(info);
+            Assert.Contains(t, stub.StubCustomTitle.CustomTitles);
+            Assert.Contains(album, stub.StubAlbum.Albums);
+            Assert.Contains(p, stub.StubPlaylist.Playlists);
+            Assert.Contains(info, stub.StubInfoTitle.InfoTitles);
+            Assert.Contains(artist, stub.StubArtist.Artists);
+            stub.RemovePlaylist(p);
+            stub.RemoveAlbum(album);
+            stub.RemoveCustomTitle(t);
+            stub.RemoveInfoTitle(info);
+            Assert.DoesNotContain(t, stub.StubCustomTitle.CustomTitles);
+            Assert.DoesNotContain(p, stub.StubPlaylist.Playlists);
+            Assert.DoesNotContain(album, stub.StubAlbum.Albums);
+            Assert.DoesNotContain(info, stub.StubInfoTitle.InfoTitles);
+            stub.AddCustomTitle(t);
+            stub.AddPlaylist(p);
+            stub.AddAlbum(album);
+            stub.AddArtist(artist);
+            stub.AddInfoTitle(info);
+            Assert.Equal(stub.GetAlbums(), stub.StubAlbum.Albums);
+            Assert.Equal(stub.GetInfoTitles(), stub.StubInfoTitle.InfoTitles);
+            Assert.Equal(stub.GetCustomTitles(), stub.StubCustomTitle.CustomTitles);
+            Assert.Equal(stub.GetPlaylists(), stub.StubPlaylist.Playlists);
+            Assert.Equal(stub.GetArtists(), stub.StubArtist.Artists);
+            Assert.Equal(stub.GetAlbumByName(test), album);
+            Assert.Equal(stub.GetPlaylistByName(test), p);
+            Assert.Equal(stub.GetInfoTitleByName(test), info);
+            Assert.Equal(stub.GetArtistByName(test), artist);
+            Assert.True(stub.ExistsAlbum(album));
+            Assert.True(stub.ExistsArtist(artist));
+            Assert.True(stub.ExistsPlaylist(p));
+            Assert.True(stub.ExistsCustomTitle(t));
+            Assert.True(stub.ExistsInfoTitle(info));
+            Assert.True(stub.ExistsAlbumByName(test));
+            Assert.True(stub.ExistsArtistByName(test));
+            Assert.True(stub.ExistsPlaylistByName(test));
+            Assert.True(stub.ExistsInfoTitleByName(test));
+            Assert.True(stub.ExistsCustomTitleByName(test));
+            /*stub.RemovePlaylist(p);
+            stub.RemoveAlbum(album);
+            stub.RemoveCustomTitle(t);
+            stub.RemoveInfoTitle(info);
+            stub.RemoveArtist(artist);
+            Assert.False(stub.ExistsAlbum(album));
+            Assert.False(stub.ExistsArtist(artist));
+            Assert.False(stub.ExistsPlaylist(p));
+            Assert.False(stub.ExistsCustomTitle(t));
+            Assert.False(stub.ExistsInfoTitle(info));
+            Assert.False(stub.ExistsAlbumByName(test));
+            Assert.False(stub.ExistsArtistByName(test));
+            Assert.False(stub.ExistsPlaylistByName(test));
+            Assert.False(stub.ExistsInfoTitleByName(test));
+            Assert.False(stub.ExistsCustomTitleByName(test));*/
+
+
+        }
+    }
+    
+}
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