tests: add UserSettings model and middleware tests; ensure tests create UserSettings defaults

viewer/models.py

@@ -2,6 +2,7 @@ from django.utils import timezone
 from django.conf import settings
 from django.db.models import (
     Model,
+    CharField,
     BooleanField,
     DateTimeField,
     IntegerField,
@@ -15,6 +16,19 @@ def get_gallery_root():
     return settings.GALLERY_ROOT
 
 
+class UserSettings(Model):
+    """
+    User relations to a specific image file by path.
+    """
+
+    user = ForeignKey(settings.AUTH_USER_MODEL, blank=False, null=False, on_delete=CASCADE)
+    theme = CharField(max_length=5, blank=False, null=False, default='dark')
+    sort = CharField(max_length=6, blank=False, null=False, default='abc')
+
+    class meta:
+        ordering = ["pk"]
+
+
 class Image(Model):
     """
     User relations to a specific image file by path.