test: get existing blaise case shoulr return expected FRS instance

refs: BLAIS5-4351

models/common/blaise/blaise_case_model.py

@@ -5,6 +5,7 @@
 from enums.blaise_fields import BlaiseFields
 
 
+# TODO: This is LMS specific :@
 class BlaiseCaseModel:
     def __init__(self, questionnaire_name: str, case_data: Dict[str, str]):
         self._questionnaire_name = questionnaire_name

services/update/frs_update_case_service.py

@@ -125,6 +125,7 @@ def _log_attempting_to_update_case(
             f"Attempting to update case {totalmobile_request.case_id} in questionnaire {totalmobile_request.questionnaire_name} in Blaise"
         )
 
+    # TODO: test dis next
     def get_existing_blaise_case(
         self,
         questionnaire_name: str,

tests/services/update/test_frs_update_case_service.py

@@ -10,9 +10,15 @@
 )
 
 
+# TODO: This needs refactoring
 @pytest.fixture()
 def mock_blaise_service():
-    return Mock()
+    mock_blaise_service = Mock()
+    mock_blaise_service.get_case.return_value = {
+        BlaiseFields.case_id: "90002",
+        BlaiseFields.outcome_code: str(0),
+    }
+    return mock_blaise_service
 
 
 @pytest.fixture()
@@ -378,3 +384,18 @@ def test_get_fields_to_update_case_outcome_code_returns_expected_fields(
 
     # assert
     assert result == {"hOut": str(totalmobile_outcome_code)}
+
+
+# TODO: This needs refactoring
+def test_get_existing_blaise_case_returns_expected_frs_instance(mock_case_update_service, mock_blaise_service):
+    # arrange
+    mock_questionnaire_name = "FRS2102"
+    mock_case_id = "90002"
+
+    # act
+    result = mock_case_update_service.get_existing_blaise_case(mock_questionnaire_name, mock_case_id)
+
+    # assert
+    assert result.questionnaire_name == mock_questionnaire_name
+    assert result.case_id == mock_case_id
+    assert isinstance(result, FRSBlaiseUpdateCase)