PC-1347: add verifying test

tests/test_frontdoor.py

@@ -6,6 +6,7 @@
 from django.utils import timezone
 
 from help_to_heat.frontdoor import interface
+from help_to_heat.frontdoor.consts import country_page
 from help_to_heat.frontdoor.mock_epc_api import (
     MockEPCApi,
     MockEPCApiWithEPCC,
@@ -2105,6 +2106,20 @@ def test_epc_page_shows_epc_info():
     assert page.has_one("p:contains('23 July 2010')")
 
 
+@unittest.mock.patch("help_to_heat.frontdoor.interface.EPCApi", MockEPCApi)
+def test_success_page_still_shows_if_journey_cannot_reach_it():
+    supplier = "Utilita"
+
+    session_id, _ = _do_happy_flow(supplier=supplier)
+
+    utils.delete_answer_in_session(session_id, country_page)
+
+    client = utils.get_client()
+    page = client.get(f"/{session_id}/success").follow()
+
+    assert page.has_one(f"h1:contains('Your details have been submitted to {supplier}')")
+
+
 def _setup_client_and_page():
     client = utils.get_client()
     page = client.get("/start")

tests/utils.py

@@ -13,7 +13,7 @@
 from django.conf import settings
 from django.utils import timezone
 
-from help_to_heat import portal, wsgi
+from help_to_heat import frontdoor, portal, wsgi
 from help_to_heat.portal import models
 
 __here__ = pathlib.Path(__file__).parent
@@ -175,3 +175,7 @@ def create_referral(session_id, data=None, supplier="British Gas", creation_time
     referral = portal.models.Referral.objects.get()
     referral.created_at = creation_timestamp
     referral.save()
+
+
+def delete_answer_in_session(session_id, page_name):
+    frontdoor.models.Answer.objects.get(session_id=session_id, page_name=page_name).delete()