Add test showing that annotations are pushed

src/tests/test_views.py

@@ -1,6 +1,14 @@
+from unittest.mock import MagicMock, patch
+
 import pytest
 
-from servala.core.models.service import CloudProvider, ServiceOffering
+from servala.core.models.service import (
+    CloudProvider,
+    ControlPlane,
+    ControlPlaneCRD,
+    ServiceInstance,
+    ServiceOffering,
+)
 
 
 @pytest.mark.parametrize(
@@ -147,3 +155,62 @@ def test_service_detail_no_redirect_with_restricted_multiple_offerings(
     assert test_service_offering.provider.name in content
     assert second_offering.provider.name in content
     assert third_offering.provider.name not in content
+
+
+@pytest.mark.django_db
+def test_service_instance_update_spec_pushes_display_name_annotation(
+    organization, test_control_plane_crd, org_owner
+):
+    instance = ServiceInstance.objects.create(
+        name="test-instance",
+        display_name="Original Name",
+        organization=organization,
+        context=test_control_plane_crd,
+    )
+    mock_api = MagicMock()
+    with (
+        patch.object(ControlPlane, "custom_objects_api", mock_api),
+        patch.object(ControlPlaneCRD, "kind_plural", "testkinds"),
+    ):
+        instance.display_name = "Updated Name"
+        instance.update_spec(spec_data={}, updated_by=org_owner)
+        mock_api.patch_namespaced_custom_object.assert_called_once()
+        call_kwargs = mock_api.patch_namespaced_custom_object.call_args[1]
+        assert "metadata" in call_kwargs["body"]
+        annotations = call_kwargs["body"]["metadata"]["annotations"]
+        assert annotations["servala.com/displayName"] == "Updated Name"
+
+    instance.refresh_from_db()
+    assert instance.display_name == "Updated Name"
+
+
+@pytest.mark.django_db
+def test_build_billing_annotations_includes_display_name():
+    annotations = ServiceInstance._build_billing_annotations(
+        compute_plan_assignment=None,
+        control_plane=MagicMock(
+            storage_plan_odoo_product_id=None,
+            storage_plan_odoo_unit_id=None,
+        ),
+        instance_name="test-instance",
+        display_name="My Display Name",
+        organization=None,
+        service=None,
+    )
+    assert annotations["servala.com/displayName"] == "My Display Name"
+
+
+@pytest.mark.django_db
+def test_build_billing_annotations_omits_display_name_when_none():
+    annotations = ServiceInstance._build_billing_annotations(
+        compute_plan_assignment=None,
+        control_plane=MagicMock(
+            storage_plan_odoo_product_id=None,
+            storage_plan_odoo_unit_id=None,
+        ),
+        instance_name="test-instance",
+        display_name=None,
+        organization=None,
+        service=None,
+    )
+    assert "servala.com/displayName" not in annotations