Fixed #27854 -- Added system check for nonexistent directories in STATICFILES_DIRS setting.

1 files changed, 23 insertions, 2 deletions

diff --git a/tests/staticfiles_tests/test_checks.py b/tests/staticfiles_tests/test_checks.py
index 44666d141d..4b2195b46f 100644
--- a/tests/staticfiles_tests/test_checks.py
+++ b/tests/staticfiles_tests/test_checks.py
@@ -3,8 +3,8 @@ from unittest import mock
 
 from django.conf import settings
 from django.contrib.staticfiles.checks import check_finders
-from django.contrib.staticfiles.finders import BaseFinder
-from django.core.checks import Error
+from django.contrib.staticfiles.finders import BaseFinder, get_finder
+from django.core.checks import Error, Warning
 from django.test import override_settings
 
 from .cases import CollectionTestCase
@@ -91,3 +91,24 @@ class FindersCheckTests(CollectionTestCase):
                     id='staticfiles.E003',
                 ),
             ])
+
+    def test_nonexistent_directories(self):
+        with self.settings(STATICFILES_DIRS=[
+            '/fake/path',
+            ('prefix', '/fake/prefixed/path'),
+        ]):
+            self.assertEqual(check_finders(None), [
+                Warning(
+                    "The directory '/fake/path' in the STATICFILES_DIRS "
+                    "setting does not exist.",
+                    id='staticfiles.W004',
+                ),
+                Warning(
+                    "The directory '/fake/prefixed/path' in the "
+                    "STATICFILES_DIRS setting does not exist.",
+                    id='staticfiles.W004',
+                ),
+            ])
+            # Nonexistent directories are skipped.
+            finder = get_finder('django.contrib.staticfiles.finders.FileSystemFinder')
+            self.assertEqual(list(finder.list(None)), [])