dnscms: upgrade to wagtail 8 and django 6.1, test upgrade-sensitive admin surfaces

dnscms/tests/test_wagtail_hooks.py

@@ -0,0 +1,51 @@
+"""Tests for the admin-UI hooks in dnscms/wagtail_hooks.py.
+
+Both hooks run against Wagtail admin internals (the page action menu, editor
+JS injection) — the surface most likely to churn silently across Wagtail
+upgrades.
+"""
+
+from dataclasses import dataclass
+
+from dnscms.wagtail_hooks import editor_js, make_publish_default_action
+
+
+@dataclass
+class FakeMenuItem:
+    name: str
+
+
+def _names(items):
+    return [item.name for item in items]
+
+
+def test_make_publish_default_action_moves_publish_first():
+    menu_items = [
+        FakeMenuItem("action-save-draft"),
+        FakeMenuItem("action-submit"),
+        FakeMenuItem("action-publish"),
+        FakeMenuItem("action-unpublish"),
+    ]
+
+    make_publish_default_action(menu_items, request=None, context={})
+
+    assert _names(menu_items) == [
+        "action-publish",
+        "action-save-draft",
+        "action-submit",
+        "action-unpublish",
+    ]
+
+
+def test_make_publish_default_action_without_publish_is_a_noop():
+    menu_items = [FakeMenuItem("action-save-draft"), FakeMenuItem("action-submit")]
+
+    make_publish_default_action(menu_items, request=None, context={})
+
+    assert _names(menu_items) == ["action-save-draft", "action-submit"]
+
+
+def test_editor_js_returns_script_tag():
+    html = editor_js()
+    assert html.startswith("<script src=")
+    assert "js/page-editor.js" in html