Fixes for loans tests

tests/manager/api/controller/test_loan.py

@@ -1,7 +1,7 @@
 import datetime
 from collections.abc import Generator
 from decimal import Decimal
-from unittest.mock import MagicMock, patch
+from unittest.mock import MagicMock, create_autospec, patch
 from urllib.parse import quote
 
 import feedparser
@@ -68,6 +68,7 @@
 from tests.fixtures.library import LibraryFixture
 from tests.fixtures.redis import RedisFixture
 from tests.fixtures.services import ServicesFixture
+from tests.mocks.circulation import MockPatronActivityCirculationAPI
 from tests.mocks.mock import DummyHTTPClient
 
 
@@ -103,6 +104,12 @@ def __init__(
         self.identifier_identifier = self.identifier.identifier
         self.identifier_type = self.identifier.type
 
+        # Make sure our collection has a PatronActivityCirculationAPI setup, so we can test the
+        # patron activity sync tasks.
+        self.manager.d_circulation.add_remote_api(
+            self.pool, MockPatronActivityCirculationAPI(db.session, self.collection)
+        )
+
 
 @pytest.fixture(scope="function")
 def loan_fixture(
@@ -1107,7 +1114,7 @@ def test_revoke_loan(
             {"Authorization": loan_fixture.valid_auth}
         )
 
-        # Create a new loan.
+        # Create a loan and revoke it
         with loan_fixture.request_context_with_library("/", headers=headers):
             patron = loan_fixture.manager.loans.authenticated_patron_from_request()
             assert isinstance(patron, Patron)
@@ -1134,6 +1141,48 @@ def test_revoke_loan(
             countdown=5,
         )
 
+    @pytest.mark.parametrize(
+        *OPDSSerializationTestHelper.PARAMETRIZED_SINGLE_ENTRY_ACCEPT_HEADERS
+    )
+    def test_revoke_loan_no_patron_activity_support(
+        self,
+        loan_fixture: LoanFixture,
+        accept_header: str | None,
+        expected_content_type: str,
+    ):
+        serialization_helper = OPDSSerializationTestHelper(
+            accept_header, expected_content_type
+        )
+        headers = serialization_helper.merge_accept_header(
+            {"Authorization": loan_fixture.valid_auth}
+        )
+
+        # Create a loan and revoke it
+        with loan_fixture.request_context_with_library("/", headers=headers):
+            patron = loan_fixture.manager.loans.authenticated_patron_from_request()
+            assert isinstance(patron, Patron)
+            loan, newly_created = loan_fixture.pool.loan_to(patron)
+
+            mock_supports_patron_activity = create_autospec(
+                loan_fixture.manager.d_circulation.supports_patron_activity,
+                return_value=False,
+            )
+            loan_fixture.manager.d_circulation.supports_patron_activity = (
+                mock_supports_patron_activity
+            )
+            loan_fixture.manager.d_circulation.queue_checkin(loan_fixture.pool)
+
+            with patch(
+                "palace.manager.api.controller.loan.sync_patron_activity"
+            ) as sync_task:
+                response = loan_fixture.manager.loans.revoke(loan_fixture.pool_id)
+
+        assert 200 == response.status_code
+        serialization_helper.verify_and_get_single_entry_feed_links(response)
+
+        mock_supports_patron_activity.assert_called_once_with(loan_fixture.pool)
+        sync_task.apply_async.assert_not_called()
+
     def test_revoke_loan_exception(
         self,
         loan_fixture: LoanFixture,

tests/mocks/circulation.py

@@ -190,6 +190,13 @@ def api_for_license_pool(self, licensepool: LicensePool) -> MockBaseCirculationA
             self.remotes[source] = remote
         return self.remotes[source]
 
+    def add_remote_api(
+        self, licensepool: LicensePool, api: MockBaseCirculationAPI
+    ) -> None:
+        source = licensepool.data_source.name
+        assert source is not None
+        self.remotes[source] = api
+
 
 class MockPatronActivityCirculationAPI(
     MockBaseCirculationAPI, PatronActivityCirculationAPI