add tests for the THUMBNAIL_STORAGE and THUMBNAIL_STORAGE_ALIAS

categories/tests/test_models.py

@@ -1,19 +1,26 @@
 import os
 
+import django
 from django.core.files import File
 from django.core.files.uploadedfile import UploadedFile
 from django.test import TestCase
 
 from categories.models import Category
+from example.test_storages import MyTestStorage, MyTestStorageAlias
 
 
 class TestCategoryThumbnail(TestCase):
     def test_thumbnail(self):
         file_name = "test_image.jpg"
-
         with open(os.path.join(os.path.dirname(__file__), file_name), "rb") as f:
             test_image = UploadedFile(File(f), content_type="image/jpeg")
             category = Category.objects.create(name="Test Category", slug="test-category", thumbnail=test_image)
+
             self.assertEqual(category.pk, 1)
             self.assertEqual(category.thumbnail_width, 640)
             self.assertEqual(category.thumbnail_height, 480)
+
+            if django.VERSION >= (4, 2):
+                self.assertEqual(category.thumbnail.storage.__class__, MyTestStorageAlias)
+            else:
+                self.assertEqual(category.thumbnail.storage.__class__, MyTestStorage)

example/settings-testing.py

@@ -98,6 +98,20 @@
     },
 ]
 
+
+STORAGES = {
+    "default": {
+        "BACKEND": "django.core.files.storage.FileSystemStorage",
+    },
+    "staticfiles": {
+        "BACKEND": "django.core.files.storage.FileSystemStorage",
+    },
+    "thumbnails": {
+        "BACKEND": "example.test_storages.MyTestStorageAlias",
+    },
+}
+
+
 CATEGORIES_SETTINGS = {
     "ALLOW_SLUG_CHANGE": True,
     "RELATION_MODELS": ["simpletext.simpletext", "flatpages.flatpage"],
@@ -115,6 +129,8 @@
             {"name": "more_categories", "related_name": "more_cats"},
         ),
     },
+    "THUMBNAIL_STORAGE": "example.test_storages.MyTestStorage",
+    "THUMBNAIL_STORAGE_ALIAS": "thumbnails",
 }
 
 TEST_RUNNER = "django.test.runner.DiscoverRunner"

example/settings.py

@@ -99,6 +99,7 @@
     }
 ]
 
+
 CATEGORIES_SETTINGS = {
     "ALLOW_SLUG_CHANGE": True,
     "RELATION_MODELS": ["simpletext.simpletext", "flatpages.flatpage"],

example/test_storages.py

@@ -0,0 +1,10 @@
+# Storages used for testing THUMBNAIL_STORAGE and THUMBNAIL_STORAGE_ALIAS
+from django.core.files.storage import FileSystemStorage
+
+
+class MyTestStorage(FileSystemStorage):
+    pass
+
+
+class MyTestStorageAlias(FileSystemStorage):
+    pass