Add test

datascience/tests/test_pipeline/test_flows/test_distribute_pnos.py

@@ -1289,6 +1289,20 @@ def pnos_query_string() -> str:
     )
 
 
+@pytest.fixture
+def pnos_query_string_empty_result() -> str:
+    return (
+        "SELECT "
+        "public.prior_notification_uploads.report_id, "
+        "public.prior_notification_uploads.file_name, "
+        "public.prior_notification_uploads.content "
+        "\nFROM public.prior_notification_uploads "
+        "\nWHERE "
+        "public.prior_notification_uploads.report_id IN "
+        "('Does', 'Not', 'Exist')"
+    )
+
+
 @pytest.fixture
 def prior_notification_attachments() -> dict:
     return {
@@ -1733,6 +1747,15 @@ def test_execute_prior_notification_attachments_query(
     assert attachments == prior_notification_attachments
 
 
+def test_execute_prior_notification_attachments_query_when_result_is_empty(
+    reset_test_data, pnos_query_string_empty_result
+):
+    attachments = execute_prior_notification_attachments_query.run(
+        sqlalchemy.text(pnos_query_string_empty_result)
+    )
+    assert attachments == dict()
+
+
 @pytest.mark.parametrize("test_mode", [False, True])
 def test_create_email(
     pno_pdf_document_to_distribute_targeted_vessel_and_segments_assigned,