fix: autocomplete in django 5.0 (#253)

* fix: autocomplete in django 5.0

* fix(ci): don't use multiple processes for tests

Author: fdintino

.github/workflows/test.yml

@@ -86,7 +86,7 @@ jobs:
 
     - name: Run tests
       run: |
-        tox -- -vvv --selenosis-driver=chrome-headless --numprocesses=4 --exitfirst || \
+        tox -- -vvv --selenosis-driver=chrome-headless || \
         tox -- -vvv --selenosis-driver=chrome-headless
       env:
         PIXELMATCH_BIN: ${{ env.GITHUB_WORKSPACE }}/node_modules/.bin/pixelmatch

nested_admin/compat.py

@@ -4,6 +4,7 @@
 See https://github.com/django/django/commit/c19b56f633e172b3c02094cbe12d28865ee57772
 and https://code.djangoproject.com/ticket/28377
 """
+
 from collections import defaultdict, OrderedDict
 import warnings
 
@@ -23,17 +24,23 @@ class MediaOrderConflictWarning(RuntimeWarning):
     MergeSafeMedia = django.forms.Media
 
 try:
-    from django.utils.topological_sort import (
+    from django.utils.topological_sort import (  # noqa: F401
         CyclicDependencyError,
         stable_topological_sort,
     )
+
+    has_topological_sort = True
 except ImportError:
+    try:
+        from django.forms.widgets import TopologicalSorter  # noqa: F401
+    except ImportError:
+        has_topological_sort = False
+    else:
+        has_topological_sort = True
 
     class CyclicDependencyError(ValueError):
         pass
 
-    stable_topological_sort = None
-
 
 class OrderedSet(_OrderedSet):
     def __sub__(self, other):
@@ -46,7 +53,7 @@ def __repr__(self):
         return "OrderedSet(%r)" % list(self)
 
 
-if MergeSafeMedia is None or stable_topological_sort is None:
+if MergeSafeMedia is None or not has_topological_sort:
 
     def linearize_as_needed(l, dependency_graph):
         # Algorithm: DFS Topological sort

nested_admin/tests/admin_widgets/tests.py

@@ -406,7 +406,11 @@ def test_nested_autocomplete_extra(self):
         self.add_inline([0, 1, [0]])
         select_field = self.get_field("fk3", indexes=[0, 1, [0, 0]])
         select_parent = select_field.find_element(By.XPATH, "parent::*")
-        select_parent.click()
+        self.selenium.execute_script(
+            "return arguments[0].querySelector('.select2-selection') || arguments[0]",
+            select_parent,
+        ).click()
+
         select2_is_active = self.selenium.execute_script(
             'return $(".select2-search__field").length > 0'
         )