Handle request status event transitions

tests/domain/test_requests.py

@@ -6,13 +6,11 @@ from atst.domain.requests import Requests
 from atst.domain.requests.authorization import RequestsAuthorization
 from atst.models.request import Request
 from atst.models.request_status_event import RequestStatus
-from atst.models.task_order import Source as TaskOrderSource
 
 from tests.factories import (
     RequestFactory,
     UserFactory,
     RequestStatusEventFactory,
-    TaskOrderFactory,
     RequestRevisionFactory,
     RequestReviewFactory,
 )
@@ -222,3 +220,37 @@ def test_random_user_cannot_view_request():
     request = RequestFactory.create()
 
     assert not RequestsAuthorization(user, request).can_view
+
+
+def test_pending_finver_triggers_notification(queue):
+    request = RequestFactory.create()
+    request = Requests.set_status(request, RequestStatus.PENDING_CCPO_ACCEPTANCE)
+    request = Requests.set_status(request, RequestStatus.PENDING_FINANCIAL_VERIFICATION)
+    assert len(queue.get_queue()) == 1
+
+
+def test_changes_requested_triggers_notification(queue):
+    request = RequestFactory.create()
+    request = Requests.set_status(request, RequestStatus.PENDING_CCPO_ACCEPTANCE)
+    request = Requests.set_status(request, RequestStatus.CHANGES_REQUESTED)
+    assert len(queue.get_queue()) == 1
+
+
+def test_changes_requested_to_finver_triggers_notification(queue):
+    request = RequestFactory.create()
+    request = Requests.set_status(request, RequestStatus.PENDING_CCPO_APPROVAL)
+    request = Requests.set_status(request, RequestStatus.CHANGES_REQUESTED_TO_FINVER)
+    assert len(queue.get_queue()) == 1
+
+
+def test_approval_triggers_notification(queue):
+    request = RequestFactory.create()
+    request = Requests.set_status(request, RequestStatus.PENDING_CCPO_APPROVAL)
+    request = Requests.set_status(request, RequestStatus.APPROVED)
+    assert len(queue.get_queue()) == 1
+
+
+def test_submitted_does_not_trigger_notification(queue):
+    request = RequestFactory.create()
+    request = Requests.set_status(request, RequestStatus.SUBMITTED)
+    assert len(queue.get_queue()) == 0