add tests for new jobs functionality

tests/app/test_utils.py

@@ -1,6 +1,6 @@
 import pytest
 from io import StringIO
-from app.utils import email_safe, generate_notifications_csv
+from app.utils import email_safe, generate_notifications_csv, generate_previous_dict, generate_next_dict
 from csv import DictReader
 from freezegun import freeze_time
 
@@ -48,3 +48,22 @@ def test_generate_csv_from_notifications(
     for row in DictReader(StringIO(csv_content)):
         assert row['Time'] == 'Friday 01 January 2016 at 15:09'
         assert row['Status'] == expected_status
+
+
+def test_generate_previous_dict(client):
+    ret = generate_previous_dict('main.view_jobs', 'foo', 2, {})
+    assert 'page=1' in ret['url']
+    assert ret['title'] == 'Previous page'
+    assert ret['label'] == 'page 1'
+
+
+def test_generate_next_dict(client):
+    ret = generate_next_dict('main.view_jobs', 'foo', 2, {})
+    assert 'page=3' in ret['url']
+    assert ret['title'] == 'Next page'
+    assert ret['label'] == 'page 3'
+
+
+def test_generate_previous_next_dict_adds_other_url_args(client):
+    ret = generate_next_dict('main.view_notifications', 'foo', 2, {'message_type': 'blah'})
+    assert 'notifications/blah' in ret['url']