Merge pull request #1013 from dod-ccpo/fix-cancel-button

Update TO form cancel button behavior

tests/domain/test_task_orders.py

@@ -3,7 +3,7 @@ from datetime import date, timedelta
 from decimal import Decimal
 
 from atst.domain.task_orders import TaskOrders
-from atst.models.attachment import Attachment
+from atst.models import Attachment, TaskOrder
 from tests.factories import TaskOrderFactory, CLINFactory, PortfolioFactory
 
 
@@ -168,3 +168,12 @@ def test_update_does_not_duplicate_clins():
     assert len(task_order.clins) == 2
     for clin in task_order.clins:
         assert clin.number != "456"
+
+
+def test_delete_task_order_with_clins(session):
+    task_order = TaskOrderFactory.create(create_clins=[1, 2, 3])
+    TaskOrders.delete(task_order.id)
+
+    assert not session.query(
+        session.query(TaskOrder).filter_by(id=task_order.id).exists()
+    ).scalar()