Poll dispatch_due in the worker so scheduled posts fire.

Co-authored-by: Cursor <cursoragent@cursor.com>

site/core/tests.py

@@ -1,5 +1,13 @@
+from datetime import timedelta
+from io import StringIO
+from unittest.mock import patch
+
+from django.core.management import call_command
 from django.test import Client, TestCase, override_settings
 from django.urls import reverse
+from django.utils import timezone
+
+from social.models import SocialPost
 
 
 class HealthzTests(TestCase):
@@ -27,3 +35,43 @@ class PublicSmokeTests(TestCase):
         client = Client()
         self.assertEqual(client.get(reverse("public:about")).status_code, 200)
         self.assertEqual(client.get(reverse("public:contact")).status_code, 200)
+
+
+class DispatchDueTests(TestCase):
+    def test_enqueues_past_scheduled_social_post(self):
+        post = SocialPost.objects.create(
+            body="Open house",
+            status=SocialPost.Status.SCHEDULED,
+            scheduled_for=timezone.now() - timedelta(minutes=5),
+        )
+        mock_task = patch(
+            "core.management.commands.dispatch_due.publish_social_post"
+        ).start()
+        self.addCleanup(patch.stopall)
+        out = StringIO()
+        call_command("dispatch_due", stdout=out)
+        post.refresh_from_db()
+        self.assertEqual(post.status, SocialPost.Status.QUEUED)
+        mock_task.enqueue.assert_called_once_with(post_id=str(post.pk))
+        self.assertIn("Enqueued 1 due item(s).", out.getvalue())
+
+    def test_skips_future_scheduled_social_post(self):
+        post = SocialPost.objects.create(
+            body="Later",
+            status=SocialPost.Status.SCHEDULED,
+            scheduled_for=timezone.now() + timedelta(hours=1),
+        )
+        mock_task = patch(
+            "core.management.commands.dispatch_due.publish_social_post"
+        ).start()
+        self.addCleanup(patch.stopall)
+        call_command("dispatch_due", stdout=StringIO())
+        post.refresh_from_db()
+        self.assertEqual(post.status, SocialPost.Status.SCHEDULED)
+        mock_task.enqueue.assert_not_called()
+
+    def test_quiet_when_nothing_due(self):
+        out = StringIO()
+        call_command("dispatch_due", stdout=out)
+        self.assertEqual(out.getvalue(), "")
+