feat: export state corp package from backup endpoint

tests/test_api_inventory_e2e.py

@@ -9,7 +9,6 @@ from tempfile import TemporaryDirectory
 from types import SimpleNamespace
 from unittest.mock import patch
 
-from apps.backups.models import BackupExportJob
 from apps.core.models import BackgroundJob
 from apps.exchange.models import ExchangeConnection
 from apps.parsers.models import (
@@ -708,19 +707,29 @@ class BackupsApiInventoryE2ETest(AuthenticatedApiMixin, APITestCase):
     def setUp(self):
         self.admin = UserFactory.create_superuser()
 
-    @patch("apps.backups.services.BackupExportJobService._enqueue_backup_task")
-    def test_backup_export_endpoint(self, enqueue_mock):
+    @patch("apps.backups.views.StateCorpExchangeService.build_package")
+    def test_backup_export_endpoint(self, build_package_mock):
         self.authenticate(self.admin)
         today = timezone.localdate()
+        build_package_mock.return_value = SimpleNamespace(
+            package_id="package-1",
+            archive_name="state_corp_exchange.zip",
+            bin_name="state_corp_exchange.bin",
+            archive_bytes=b"zip-bytes",
+            payload_counts={"organizations": 1},
+            produced_at="2026-05-12T10:00:00+00:00",
+        )
 
-        with self.captureOnCommitCallbacks(execute=True):
-            response = self.client.post(
-                reverse("api_v1:backups:export"),
-                {"actual_date": today.isoformat()},
-                format="json",
-            )
+        response = self.client.post(
+            reverse("api_v1:backups:export"),
+            {"actual_date": today.isoformat()},
+            format="json",
+        )
 
-        self.assertEqual(response.status_code, status.HTTP_202_ACCEPTED)
-        self.assertEqual(response.data["status"], "started")
-        self.assertTrue(BackupExportJob.objects.filter(actual_date=today).exists())
-        enqueue_mock.assert_called_once()
+        self.assertEqual(response.status_code, status.HTTP_200_OK)
+        self.assertEqual(response.content, b"zip-bytes")
+        self.assertIn(
+            'attachment; filename="state_corp_exchange.zip"',
+            response["Content-Disposition"],
+        )
+        build_package_mock.assert_called_once_with(actual_date=today)