Abri tenant data fetch triggers when commencement date is first set 🟥

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

etl/hubspot/hubspot_deal_differ.py

@@ -206,6 +206,14 @@ class HubspotDealDiffer:
 
         return old_deal.confirmed_survey_time != new_deal.get("confirmed_survey_time")
 
+    @staticmethod
+    def check_for_abri_tenant_data_fetch(
+        new_deal: Dict[str, str],
+        new_project: Optional[ProjectData],
+        old_deal: HubspotDealData,
+    ) -> bool:
+        raise NotImplementedError
+
     @staticmethod
     def _is_abri_condition_deal(
         new_deal: Dict[str, str], new_project: Optional[ProjectData]

etl/hubspot/tests/test_hubspot_deal_differ.py

@@ -687,6 +687,39 @@ def test_abri_survey_amendment__date_first_set_on_abri_deal__returns_false() ->
     assert result is False
 
 
+# ====================================
+# ABRI TENANT DATA FETCH TRIGGER TESTS
+# ====================================
+
+
+def test_abri_tenant_data_fetch__commencement_date_first_set_on_abri_deal__returns_true() -> (
+    None
+):
+    deal_id = uuid.uuid4()
+
+    # Arrange
+    old_deal = make_old_deal(
+        id=deal_id,
+        project_code="Abri Condition",
+        expected_commencement_date=None,
+    )
+    new_deal = make_new_deal(
+        deal_id,
+        project_code="Abri Condition",
+        expected_commencement_date="2026-08-01",
+    )
+
+    # Act
+    result = HubspotDealDiffer.check_for_abri_tenant_data_fetch(
+        new_deal=new_deal,
+        new_project=None,
+        old_deal=old_deal,
+    )
+
+    # Assert
+    assert result is True
+
+
 # =======================
 # DB UPDATE TRIGGER TESTS
 # =======================