diff --git a/tools/fakedatabase/create_test_api_database.py b/tools/fakedatabase/create_test_api_database.py
index 3744fc10..41710890 100644
--- a/tools/fakedatabase/create_test_api_database.py
+++ b/tools/fakedatabase/create_test_api_database.py
@@ -195,21 +195,70 @@ def saisie_note_evaluations(formsemestre: FormSemestre, user: User):
     """
     # Récupération des id des étudiants du semestre
     list_etudids = [etud.id for etud in formsemestre.etuds]
-    list_ues = formsemestre.query_ues()
 
-    def create_list_etudid_random_notes():
+    def add_random_notes(evaluation_id, new_list_notes_eval=None, not_all=False):
         """
-        Retourne une liste de tuple (etudid, note_random)
+        Permet d'ajouter des notes aléatoires à une évaluation
         """
-        return [(etudid, random.uniform(0.0, 20.0)) for etudid in list_etudids]
+        if not_all:
+            percent = 80 / 100
+            len_list_etudids = len(list_etudids)
+            new_list_etudids = random.sample(
+                list_etudids, k=int(percent * len_list_etudids)
+            )
+            # new_list_etudids = [note.etudid for note in new_list_notes_eval]
+            list_tuple_notes = [
+                (etudid, random.uniform(0.0, 20.0)) for etudid in new_list_etudids
+            ]
+            notes_add(user, evaluation_id, list_tuple_notes)
+        else:
+            list_tuple_notes = [
+                (etudid, random.uniform(0.0, 20.0)) for etudid in list_etudids
+            ]
+            notes_add(user, evaluation_id, list_tuple_notes)
+
+    def saisir_notes(evaluation_id: int, condition: int, list_notes_eval):
+        """
+        Permet de saisir les notes de manière aléatoire suivant une condition
+        Définition des valeurs de condition :
+            0 : all_notes_saisies
+            1 : all_notes_manquantes
+            2 : some_notes_manquantes
+        """
+        if condition == 0 or condition == 2:
+            date_debut = formsemestre.date_debut
+            date_fin = formsemestre.date_fin
+            if condition == 0:
+                add_random_notes(evaluation_id)
+                for note in list_notes_eval:
+                    note.date = date_debut + random.random() * (date_fin - date_debut)
+                    db.session.add(note)
+                db.session.commit()
+            else:
+                percent = 80 / 100
+                len_list_notes_eval = len(list_notes_eval)
+                new_list_notes_eval = random.sample(
+                    list_notes_eval, k=int(percent * len_list_notes_eval)
+                )
+                add_random_notes(evaluation_id, new_list_notes_eval, True)
+                for note in new_list_notes_eval:
+                    note.date = date_debut + random.random() * (date_fin - date_debut)
+                    db.session.add(note)
+                db.session.commit()
+
+    list_ues = formsemestre.query_ues()
 
     for ue in list_ues:
         mods = ue.modules
         for mod in mods:
             moduleimpl = ModuleImpl.query.get_or_404(mod.id)
             for evaluation in moduleimpl.evaluations:
-                notes = create_list_etudid_random_notes()
-                notes_add(user, evaluation.id, notes)
+                # Récupération de toutes les notes de l'évaluation
+                notes_eval = models.NotesNotes.query.filter_by(
+                    evaluation_id=evaluation.id
+                ).all()
+                condition_saisie_notes = random.randint(0, 2)
+                saisir_notes(evaluation.id, condition_saisie_notes, notes_eval)
 
 
 def init_test_database():