Serialise notifications for csv separately:

* Introduces separate method on Notification to serialise the notification
* ready for csv output
* Fixes issue where job_row_number = 0 not being accounted for correctly

tests/app/conftest.py

@@ -405,14 +405,13 @@ def sample_notification_with_job(
 ):
     if job is None:
         job = sample_job(notify_db, notify_db_session, service=service, template=template)
-
     return sample_notification(
         notify_db,
         notify_db_session,
         service,
         template,
         job=job,
-        job_row_number=job_row_number if job_row_number else None,
+        job_row_number=job_row_number if job_row_number is not None else None,
         to_field=to_field,
         status=status,
         reference=reference,
@@ -482,7 +481,7 @@ def sample_notification(
         'updated_at': created_at if status in NOTIFICATION_STATUS_TYPES_COMPLETED else None,
         'client_reference': client_reference
     }
-    if job_row_number:
+    if job_row_number is not None:
         data['job_row_number'] = job_row_number
     notification = Notification(**data)
     dao_create_notification(notification)

tests/app/test_model.py

@@ -1,5 +1,7 @@
 import pytest
 
+from freezegun import freeze_time
+
 from app.models import (
     ServiceWhitelist,
     Notification,
@@ -11,6 +13,10 @@ from app.models import (
     NOTIFICATION_TECHNICAL_FAILURE,
     NOTIFICATION_STATUS_TYPES_FAILED
 )
+from tests.app.conftest import (
+    sample_template as create_sample_template,
+    sample_notification_with_job as create_sample_notification_with_job
+)
 
 
 @pytest.mark.parametrize('mobile_number', [
@@ -65,3 +71,96 @@ def test_status_conversion_handles_failed_statuses(initial_statuses, expected_st
     converted_statuses = Notification.substitute_status(initial_statuses)
     assert len(converted_statuses) == len(expected_statuses)
     assert set(converted_statuses) == set(expected_statuses)
+
+
+@freeze_time("2016-01-01 11:09:00.000000")
+@pytest.mark.parametrize('template_type, recipient', [
+    ('sms', '+447700900855'),
+    ('email', 'foo@bar.com'),
+])
+def test_notification_for_csv_returns_correct_type(notify_db, notify_db_session, template_type, recipient):
+    template = create_sample_template(notify_db, notify_db_session, template_type=template_type)
+    notification = create_sample_notification_with_job(
+        notify_db,
+        notify_db_session,
+        template=template,
+        to_field=recipient
+    )
+
+    expected_resp = {
+        "recipient": recipient,
+        "row_number": "",
+        "template_name": "Template Name",
+        "template_type": template_type,
+        "created_at": "Friday 01 January 2016 at 11:09",
+        "job_name": "some.csv",
+        "status": "Sending"
+    }
+
+    serialized = notification.serialize_for_csv()
+    assert serialized == expected_resp
+
+
+@freeze_time("2016-01-01 11:09:00.000000")
+def test_notification_for_csv_returns_correct_job_row_number(notify_db, notify_db_session):
+    notification = create_sample_notification_with_job(
+        notify_db,
+        notify_db_session,
+        job_row_number=0
+    )
+    expected_resp = {
+        "recipient": "+447700900855",
+        "row_number": 1,
+        "template_name": "Template Name",
+        "template_type": "sms",
+        "created_at": "Friday 01 January 2016 at 11:09",
+        "job_name": "some.csv",
+        "status": "Sending"
+    }
+
+    serialized = notification.serialize_for_csv()
+    assert serialized == expected_resp
+
+
+@freeze_time("2016-01-30 12:39:58.321312")
+def test_notifiation_for_csv_returns_formatted_status(notify_db, notify_db_session):
+    notification = create_sample_notification_with_job(
+        notify_db,
+        notify_db_session,
+        job_row_number=51,
+        status='temporary-failure'
+    )
+    expected_resp = {
+        "recipient": "+447700900855",
+        "row_number": 52,
+        "template_name": "Template Name",
+        "template_type": "sms",
+        "created_at": "Saturday 30 January 2016 at 12:39",
+        "job_name": "some.csv",
+        "status": "Phone not accepting messages right now"
+    }
+
+    serialized = notification.serialize_for_csv()
+    assert serialized == expected_resp
+
+
+@freeze_time("2017-03-26 23:01:53.321312")
+def test_notifiation_for_csv_returns_bst_correctly(notify_db, notify_db_session):
+    notification = create_sample_notification_with_job(
+        notify_db,
+        notify_db_session,
+        job_row_number=100,
+        status='permanent-failure'
+    )
+    expected_resp = {
+        "recipient": "+447700900855",
+        "row_number": 101,
+        "template_name": "Template Name",
+        "template_type": "sms",
+        "created_at": "Monday 27 March 2017 at 00:01",
+        "job_name": "some.csv",
+        "status": "Phone number doesn’t exist"
+    }
+
+    serialized = notification.serialize_for_csv()
+    assert serialized == expected_resp