Refs #34100 -- Made file upload tests use Storage.exists() where appropriate.

tests/file_uploads/tests.py

@@ -25,7 +25,8 @@ from .models import FileModel
 
 UNICODE_FILENAME = "test-0123456789_中文_Orléans.jpg"
 MEDIA_ROOT = sys_tempfile.mkdtemp()
-UPLOAD_TO = os.path.join(MEDIA_ROOT, "test_upload")
+UPLOAD_FOLDER = "test_upload"
+UPLOAD_TO = os.path.join(MEDIA_ROOT, UPLOAD_FOLDER)
 
 CANDIDATE_TRAVERSAL_FILE_NAMES = [
     "/tmp/hax0rd.txt",  # Absolute path, *nix-style.

tests/file_uploads/uploadhandler.py

@@ -55,7 +55,7 @@ class TraversalUploadHandler(FileUploadHandler):
     """A handler with potential directory-traversal vulnerability."""
 
     def __init__(self, request=None):
-        from .views import UPLOAD_TO
+        from .tests import UPLOAD_TO
 
         super().__init__(request)
         self.upload_dir = UPLOAD_TO

tests/file_uploads/views.py

@@ -6,7 +6,7 @@ from django.core.files.uploadhandler import TemporaryFileUploadHandler
 from django.http import HttpResponse, HttpResponseServerError, JsonResponse
 
 from .models import FileModel
-from .tests import UNICODE_FILENAME, UPLOAD_TO
+from .tests import UNICODE_FILENAME, UPLOAD_FOLDER
 from .uploadhandler import (
     ErroringUploadHandler,
     QuotaUploadHandler,
@@ -68,9 +68,13 @@ def file_upload_unicode_name(request):
     # Check to make sure the exotic characters are preserved even
     # through file save.
     uni_named_file = request.FILES["file_unicode"]
-    FileModel.objects.create(testfile=uni_named_file)
-    full_name = "%s/%s" % (UPLOAD_TO, uni_named_file.name)
-    return HttpResponse() if os.path.exists(full_name) else HttpResponseServerError()
+    file_model = FileModel.objects.create(testfile=uni_named_file)
+    full_name = f"{UPLOAD_FOLDER}/{uni_named_file.name}"
+    return (
+        HttpResponse()
+        if file_model.testfile.storage.exists(full_name)
+        else HttpResponseServerError()
+    )
 
 
 def file_upload_echo(request):

tests/model_fields/test_filefield.py

@@ -120,9 +120,12 @@ class FileFieldTests(TestCase):
                 with TemporaryUploadedFile(
                     "foo.txt", "text/plain", 1, "utf-8"
                 ) as tmp_file:
-                    Document.objects.create(myfile=tmp_file)
-                    self.assertTrue(
-                        os.path.exists(os.path.join(tmp_dir, "unused", "foo.txt"))
+                    document = Document.objects.create(myfile=tmp_file)
+                    self.assertIs(
+                        document.myfile.storage.exists(
+                            os.path.join("unused", "foo.txt")
+                        ),
+                        True,
                     )
 
     def test_pickle(self):