Add failing tests for FileField support

tests/app/models.py

@@ -220,3 +220,18 @@ class Comment(models.Model):
 
     def __str__(self):
         return self.text
+
+
+class Attachment(models.Model):
+    post = models.ForeignKey(
+        Post,
+        on_delete=models.CASCADE,
+        limit_choices_to={"is_published": True},
+        related_name="attachments",
+    )
+    file = models.FileField()
+
+    i18n = TranslationField(fields=("file",))
+
+    def __str__(self):
+        return self.file.name

tests/test_models.py

@@ -1,5 +1,6 @@
 from django import VERSION as DJANGO_VERSION
 from django.core.exceptions import ValidationError
+from django.core.files.base import ContentFile
 from django.db import DataError, models, transaction
 from django.test import TestCase, override_settings
 from django.utils.translation import override
@@ -8,11 +9,13 @@
 
 from .app.models import (
     Article,
+    Attachment,
     Blog,
     Challenge,
     ChallengeContent,
     ChildArticle,
     NullableTextModel,
+    Post,
     TextModel,
 )
 from .utils import CreateTestModel
@@ -120,6 +123,36 @@ def test_fallback_getting_TextField(self):
         with override("fr"):
             self.assertEqual(m.description_i18n, DESCRIPTION)
 
+    def test_fallback_getting_FileField(self):
+        post = Post.objects.create(title="Test Post", is_published=True)
+        sample_file = ContentFile("sample content", name="sample-en.txt")
+        attachment = Attachment.objects.create(post=post, file=sample_file)
+        default_file_name = attachment.file.name
+        assert default_file_name
+
+        with override("fr"):
+            self.assertIsInstance(attachment.file_i18n, models.fields.files.FieldFile)
+            self.assertEqual(attachment.file_i18n.name, default_file_name)
+
+    def test_set_FileField(self):
+        post = Post.objects.create(title="Test Post", is_published=True)
+
+        en_content = "sample content"
+        fr_content = "exemple de contenu"
+        sample_file_en = ContentFile(en_content, name="sample-en.txt")
+        sample_file_fr = ContentFile(fr_content, name="sample-fr.txt")
+
+        attachment = Attachment.objects.create(
+            post=post, file=sample_file_en, file_fr=sample_file_fr
+        )
+
+        saved_fr_content = attachment.file_fr.read().decode("utf-8")
+        self.assertEqual(saved_fr_content, fr_content)
+        self.assertIsInstance(attachment.file_fr, models.fields.files.FieldFile)
+
+        with override("fr"):
+            self.assertEqual(attachment.file_i18n, attachment.file_fr)
+
     def test_creating_using_virtual_default_language_field(self):
         m = Blog.objects.create(title_en="Falcon")
 

tests/test_translating.py

@@ -45,6 +45,7 @@ def test_get_translated_models(self):
             app_models.Challenge,
             app_models.ChallengeContent,
             app_models.Post,
+            app_models.Attachment,
             app_models.Comment,
         }
         self.assertEqual(set(get_translated_models("app")), expected)