Revert "Remove nulls from sms_sender"

app/models.py

@@ -188,7 +188,7 @@ class Service(db.Model, Versioned):
     created_by_id = db.Column(UUID(as_uuid=True), db.ForeignKey('users.id'), index=True, nullable=False)
     reply_to_email_address = db.Column(db.Text, index=False, unique=False, nullable=True)
     letter_contact_block = db.Column(db.Text, index=False, unique=False, nullable=True)
-    sms_sender = db.Column(db.String(11), nullable=False, default=lambda: current_app.config['FROM_NUMBER'])
+    sms_sender = db.Column(db.String(11), nullable=True, default=lambda: current_app.config['FROM_NUMBER'])
     organisation_id = db.Column(UUID(as_uuid=True), db.ForeignKey('organisation.id'), index=True, nullable=True)
     organisation = db.relationship('Organisation')
     dvla_organisation_id = db.Column(

migrations/versions/0088_govuk_sms_sender.py

@@ -1,25 +0,0 @@
-"""empty message
-
-Revision ID: 0088_govuk_sms_sender
-Revises: 0087_scheduled_notifications
-Create Date: 2017-05-22 13:46:09.584801
-
-"""
-
-# revision identifiers, used by Alembic.
-revision = '0088_govuk_sms_sender'
-down_revision = '0087_scheduled_notifications'
-
-from alembic import op
-
-
-def upgrade():
-    op.execute("UPDATE services SET sms_sender = 'GOVUK' where sms_sender is null")
-    op.execute("UPDATE services_history SET sms_sender = 'GOVUK' where sms_sender is null")
-    op.alter_column('services', 'sms_sender', nullable=False)
-    op.alter_column('services_history', 'sms_sender', nullable=False)
-
-
-def downgrade():
-    op.alter_column('services_history', 'sms_sender', nullable=True)
-    op.alter_column('services', 'sms_sender', nullable=True)

tests/app/delivery/test_send_to_providers.py

@@ -627,6 +627,7 @@ def test_should_set_international_phone_number_to_sent_status(
     # if 40604 is actually in DB then treat that as if entered manually
     ('40604', '40604', 'bar'),
     # 'testing' is the FROM_NUMBER during unit tests
+    (None, 'testing', 'Sample service: bar'),
     ('testing', 'testing', 'Sample service: bar'),
 ])
 def test_should_handle_sms_sender_and_prefix_message(

tests/app/service/test_rest.py

@@ -1315,57 +1315,61 @@ def test_get_only_api_created_notifications_for_service(
     assert response.status_code == 200
 
 
-def test_set_sms_sender_for_service(client, sample_service):
+def test_set_sms_sender_for_service(notify_api, sample_service):
-    data = {
+    with notify_api.test_request_context():
-        'sms_sender': 'elevenchars',
+        with notify_api.test_client() as client:
-    }
+            auth_header = create_authorization_header()
+            resp = client.get(
+                '/service/{}'.format(sample_service.id),
+                headers=[auth_header]
+            )
+            json_resp = json.loads(resp.get_data(as_text=True))
+            assert resp.status_code == 200
+            assert json_resp['data']['name'] == sample_service.name
 
-    auth_header = create_authorization_header()
+            data = {
+                'sms_sender': 'elevenchars',
+            }
 
-    resp = client.post(
+            auth_header = create_authorization_header()
-        '/service/{}'.format(sample_service.id),
+
-        data=json.dumps(data),
+            resp = client.post(
-        headers=[('Content-Type', 'application/json'), auth_header]
+                '/service/{}'.format(sample_service.id),
-    )
+                data=json.dumps(data),
-    result = json.loads(resp.get_data(as_text=True))
+                headers=[('Content-Type', 'application/json'), auth_header]
-    assert resp.status_code == 200
+            )
-    assert result['data']['sms_sender'] == 'elevenchars'
+            result = json.loads(resp.get_data(as_text=True))
+            assert resp.status_code == 200
+            assert result['data']['sms_sender'] == 'elevenchars'
 
 
-def test_set_sms_sender_for_service_rejects_invalid_characters(client, sample_service):
+def test_set_sms_sender_for_service_rejects_invalid_characters(notify_api, sample_service):
-    data = {
+    with notify_api.test_request_context():
-        'sms_sender': 'invalid####',
+        with notify_api.test_client() as client:
-    }
+            auth_header = create_authorization_header()
+            resp = client.get(
+                '/service/{}'.format(sample_service.id),
+                headers=[auth_header]
+            )
+            json_resp = json.loads(resp.get_data(as_text=True))
+            assert resp.status_code == 200
+            assert json_resp['data']['name'] == sample_service.name
 
-    auth_header = create_authorization_header()
+            data = {
+                'sms_sender': 'invalid####',
+            }
 
-    resp = client.post(
+            auth_header = create_authorization_header()
-        '/service/{}'.format(sample_service.id),
-        data=json.dumps(data),
-        headers=[('Content-Type', 'application/json'), auth_header]
-    )
-    result = json.loads(resp.get_data(as_text=True))
-    assert resp.status_code == 400
-    assert result['result'] == 'error'
-    assert result['message'] == {'sms_sender': ['Only alphanumeric characters allowed']}
 
-
+            resp = client.post(
-def test_set_sms_sender_for_service_rejects_null(client, sample_service):
+                '/service/{}'.format(sample_service.id),
-    data = {
+                data=json.dumps(data),
-        'sms_sender': None,
+                headers=[('Content-Type', 'application/json'), auth_header]
-    }
+            )
-
+            result = json.loads(resp.get_data(as_text=True))
-    auth_header = create_authorization_header()
+            assert resp.status_code == 400
-
+            assert result['result'] == 'error'
-    resp = client.post(
+            assert result['message'] == {'sms_sender': ['Only alphanumeric characters allowed']}
-        '/service/{}'.format(sample_service.id),
-        data=json.dumps(data),
-        headers=[('Content-Type', 'application/json'), auth_header]
-    )
-    result = json.loads(resp.get_data(as_text=True))
-    assert resp.status_code == 400
-    assert result['result'] == 'error'
-    assert result['message'] == {'sms_sender': ['Field may not be null.']}
 
 
 @pytest.mark.parametrize('today_only,stats', [
@@ -1925,6 +1929,22 @@ def test_update_service_does_not_call_send_notification_when_restricted_not_chan
     assert not send_notification_mock.called
 
 
+def test_update_service_works_when_sms_sender_is_null(sample_service, client, mocker):
+    sample_service.sms_sender = None
+    data = {'name': 'new name'}
+
+    resp = client.post(
+        'service/{}'.format(sample_service.id),
+        data=json.dumps(data),
+        headers=[create_authorization_header()],
+        content_type='application/json'
+    )
+
+    assert resp.status_code == 200
+    # make sure it wasn't changed to not-null under the hood
+    assert sample_service.sms_sender is None
+
+
 def test_search_for_notification_by_to_field_filters_by_status(client, notify_db, notify_db_session):
     create_notification = partial(
         create_sample_notification,