Add tests for dao_get_paginated_inbound_sms_for_service

tests/app/dao/test_inbound_sms_dao.py

@@ -6,7 +6,8 @@ from app.dao.inbound_sms_dao import (
     dao_get_inbound_sms_for_service,
     dao_count_inbound_sms_for_service,
     delete_inbound_sms_created_more_than_a_week_ago,
-    dao_get_inbound_sms_by_id
+    dao_get_inbound_sms_by_id,
+    dao_get_paginated_inbound_sms_for_service
 )
 from tests.app.db import create_inbound_sms, create_service
 
@@ -89,9 +90,83 @@ def test_should_not_delete_inbound_sms_before_seven_days(sample_service):
     assert len(InboundSms.query.all()) == 2
 
 
-def test_get_inbound_sms_by_id_returns(sample_service):
-    inbound = create_inbound_sms(sample_service)
+def test_get_inbound_sms_by_id_returns(sample_inbound_sms):
+    inbound_from_db = dao_get_inbound_sms_by_id(sample_inbound_sms.service.id, sample_inbound_sms.id)
 
-    inbound_from_db = dao_get_inbound_sms_by_id(sample_service.id, inbound.id)
+    assert sample_inbound_sms == inbound_from_db
 
-    assert inbound == inbound_from_db
+
+def test_dao_get_paginated_inbound_sms_for_service(sample_inbound_sms):
+    inbound_from_db = dao_get_paginated_inbound_sms_for_service(sample_inbound_sms.service.id)
+
+    assert sample_inbound_sms == inbound_from_db[0]
+
+
+def test_dao_get_paginated_inbound_sms_for_service_return_only_for_service(sample_inbound_sms):
+    another_service = create_service(service_name='another service')
+    another_inbound_sms = create_inbound_sms(another_service)
+
+    inbound_from_db = dao_get_paginated_inbound_sms_for_service(sample_inbound_sms.service.id)
+
+    assert sample_inbound_sms in inbound_from_db
+    assert another_inbound_sms not in inbound_from_db
+
+
+def test_dao_get_paginated_inbound_sms_for_service_no_inbound_sms_returns_empty_list(sample_service):
+    inbound_from_db = dao_get_paginated_inbound_sms_for_service(sample_service.id)
+
+    assert inbound_from_db == []
+
+
+def test_dao_get_paginated_inbound_sms_for_service_page_size_returns_correct_size(sample_service):
+    inbound_sms_list = [
+        create_inbound_sms(sample_service),
+        create_inbound_sms(sample_service),
+        create_inbound_sms(sample_service),
+        create_inbound_sms(sample_service),
+    ]
+    reversed_inbound_sms = sorted(inbound_sms_list, key=lambda sms: sms.created_at, reverse=True)
+
+    inbound_from_db = dao_get_paginated_inbound_sms_for_service(
+        sample_service.id,
+        older_than=reversed_inbound_sms[1].id,
+        page_size=2
+    )
+
+    assert len(inbound_from_db) == 2
+
+
+def test_dao_get_paginated_inbound_sms_for_service_older_than_returns_correct_list(sample_service):
+    inbound_sms_list = [
+        create_inbound_sms(sample_service),
+        create_inbound_sms(sample_service),
+        create_inbound_sms(sample_service),
+        create_inbound_sms(sample_service),
+    ]
+    reversed_inbound_sms = sorted(inbound_sms_list, key=lambda sms: sms.created_at, reverse=True)
+
+    inbound_from_db = dao_get_paginated_inbound_sms_for_service(
+        sample_service.id,
+        older_than=reversed_inbound_sms[1].id,
+        page_size=2
+    )
+
+    expected_inbound_sms = reversed_inbound_sms[2:]
+
+    assert expected_inbound_sms == inbound_from_db
+
+
+def test_dao_get_paginated_inbound_sms_for_service_older_than_end_returns_empty_list(sample_service):
+    inbound_sms_list = [
+        create_inbound_sms(sample_service),
+        create_inbound_sms(sample_service),
+    ]
+    reversed_inbound_sms = sorted(inbound_sms_list, key=lambda sms: sms.created_at, reverse=True)
+
+    inbound_from_db = dao_get_paginated_inbound_sms_for_service(
+        sample_service.id,
+        older_than=reversed_inbound_sms[1].id,
+        page_size=2
+    )
+
+    assert inbound_from_db == []