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f974108934
Previously these metrics weren't very useful because they could be
skewed by long timings for failed notifications, which can take up
to 72 hours to deliver. I'm intentionally not trying to have a dual
running period (with the old and new names) because:
- We don't use the current stats for anything (checking Grafana).
- The current stats get turned into a "bucket" metric in Prometheus
[1][2], which isn't very useful because it can only tell us the mean
time to deliver, but we're actually interested in percentiles.
Switching to a new naming is an opportunity to fix the raw data and
the way it's aggregated, using the same kind of "summary" metric that
we now use for stats about our Celery tasks [3].
[1]: c330a8ac8a/paas/statsd/statsd-mapping.yml (L82)
[2]: https://prometheus.io/docs/practices/histograms/#quantiles
[3]: https://github.com/alphagov/notifications-aws/pull/890
263 lines
11 KiB
Python
263 lines
11 KiB
Python
import json
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from datetime import datetime
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from freezegun import freeze_time
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from app import encryption, statsd_client
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from app.celery.process_ses_receipts_tasks import process_ses_results
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from app.celery.research_mode_tasks import (
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ses_hard_bounce_callback,
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ses_notification_callback,
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ses_soft_bounce_callback,
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)
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from app.celery.service_callback_tasks import (
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create_delivery_status_callback_data,
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)
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from app.dao.notifications_dao import get_notification_by_id
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from app.models import Complaint, Notification
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from app.notifications.notifications_ses_callback import (
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remove_emails_from_bounce,
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remove_emails_from_complaint,
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)
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from tests.app.db import (
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create_notification,
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create_service_callback_api,
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ses_complaint_callback,
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)
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def test_process_ses_results(sample_email_template):
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create_notification(sample_email_template, reference='ref1', sent_at=datetime.utcnow(), status='sending')
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assert process_ses_results(response=ses_notification_callback(reference='ref1'))
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def test_process_ses_results_retry_called(sample_email_template, notify_db, mocker):
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create_notification(sample_email_template, reference='ref1', sent_at=datetime.utcnow(), status='sending')
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mocker.patch("app.dao.notifications_dao.dao_update_notifications_by_reference", side_effect=Exception("EXPECTED"))
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mocked = mocker.patch('app.celery.process_ses_receipts_tasks.process_ses_results.retry')
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process_ses_results(response=ses_notification_callback(reference='ref1'))
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assert mocked.call_count != 0
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def test_process_ses_results_in_complaint(sample_email_template, mocker):
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notification = create_notification(template=sample_email_template, reference='ref1')
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mocked = mocker.patch("app.dao.notifications_dao.update_notification_status_by_reference")
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process_ses_results(response=ses_complaint_callback())
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assert mocked.call_count == 0
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complaints = Complaint.query.all()
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assert len(complaints) == 1
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assert complaints[0].notification_id == notification.id
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def test_remove_emails_from_complaint():
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test_json = json.loads(ses_complaint_callback()['Message'])
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remove_emails_from_complaint(test_json)
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assert "recipient1@example.com" not in json.dumps(test_json)
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def test_remove_email_from_bounce():
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test_json = json.loads(ses_hard_bounce_callback(reference='ref1')['Message'])
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remove_emails_from_bounce(test_json)
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assert "bounce@simulator.amazonses.com" not in json.dumps(test_json)
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def test_ses_callback_should_update_notification_status(
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client,
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notify_db_session,
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sample_email_template,
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mocker):
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with freeze_time('2001-01-01T12:00:00'):
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mocker.patch('app.statsd_client.incr')
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mocker.patch('app.statsd_client.timing_with_dates')
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send_mock = mocker.patch(
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'app.celery.service_callback_tasks.send_delivery_status_to_service.apply_async'
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)
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notification = create_notification(
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template=sample_email_template,
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status='sending',
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reference='ref',
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)
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callback_api = create_service_callback_api(service=sample_email_template.service,
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url="https://original_url.com")
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assert get_notification_by_id(notification.id).status == 'sending'
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assert process_ses_results(ses_notification_callback(reference='ref'))
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assert get_notification_by_id(notification.id).status == 'delivered'
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statsd_client.timing_with_dates.assert_any_call(
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"callback.ses.delivered.elapsed-time", datetime.utcnow(), notification.sent_at
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)
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statsd_client.incr.assert_any_call("callback.ses.delivered")
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updated_notification = Notification.query.get(notification.id)
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encrypted_data = create_delivery_status_callback_data(updated_notification, callback_api)
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send_mock.assert_called_once_with([str(notification.id), encrypted_data], queue="service-callbacks")
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def test_ses_callback_should_not_update_notification_status_if_already_delivered(sample_email_template, mocker):
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mock_dup = mocker.patch('app.celery.process_ses_receipts_tasks.notifications_dao._duplicate_update_warning')
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mock_upd = mocker.patch(
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'app.celery.process_ses_receipts_tasks.notifications_dao.dao_update_notifications_by_reference'
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)
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notification = create_notification(template=sample_email_template, reference='ref', status='delivered')
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assert process_ses_results(ses_notification_callback(reference='ref')) is None
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assert get_notification_by_id(notification.id).status == 'delivered'
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mock_dup.assert_called_once_with(notification=notification, status='delivered')
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assert mock_upd.call_count == 0
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def test_ses_callback_should_retry_if_notification_is_new(client, notify_db, mocker):
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mock_retry = mocker.patch('app.celery.process_ses_receipts_tasks.process_ses_results.retry')
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mock_logger = mocker.patch('app.celery.process_ses_receipts_tasks.current_app.logger.error')
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with freeze_time('2017-11-17T12:14:03.646Z'):
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assert process_ses_results(ses_notification_callback(reference='ref')) is None
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assert mock_logger.call_count == 0
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assert mock_retry.call_count == 1
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def test_ses_callback_should_log_if_notification_is_missing(client, notify_db, mocker):
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mock_retry = mocker.patch('app.celery.process_ses_receipts_tasks.process_ses_results.retry')
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mock_logger = mocker.patch('app.celery.process_ses_receipts_tasks.current_app.logger.warning')
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with freeze_time('2017-11-17T12:34:03.646Z'):
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assert process_ses_results(ses_notification_callback(reference='ref')) is None
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assert mock_retry.call_count == 0
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mock_logger.assert_called_once_with('notification not found for reference: ref (update to delivered)')
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def test_ses_callback_should_not_retry_if_notification_is_old(client, notify_db, mocker):
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mock_retry = mocker.patch('app.celery.process_ses_receipts_tasks.process_ses_results.retry')
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mock_logger = mocker.patch('app.celery.process_ses_receipts_tasks.current_app.logger.error')
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with freeze_time('2017-11-21T12:14:03.646Z'):
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assert process_ses_results(ses_notification_callback(reference='ref')) is None
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assert mock_logger.call_count == 0
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assert mock_retry.call_count == 0
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def test_ses_callback_does_not_call_send_delivery_status_if_no_db_entry(
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client,
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notify_db_session,
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sample_email_template,
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mocker):
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with freeze_time('2001-01-01T12:00:00'):
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send_mock = mocker.patch(
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'app.celery.service_callback_tasks.send_delivery_status_to_service.apply_async'
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)
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notification = create_notification(
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template=sample_email_template,
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status='sending',
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reference='ref',
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)
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assert get_notification_by_id(notification.id).status == 'sending'
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assert process_ses_results(ses_notification_callback(reference='ref'))
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assert get_notification_by_id(notification.id).status == 'delivered'
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send_mock.assert_not_called()
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def test_ses_callback_should_update_multiple_notification_status_sent(
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client,
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notify_db_session,
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sample_email_template,
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mocker):
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send_mock = mocker.patch(
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'app.celery.service_callback_tasks.send_delivery_status_to_service.apply_async'
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)
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create_notification(
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template=sample_email_template,
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status='sending',
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reference='ref1',
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)
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create_notification(
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template=sample_email_template,
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status='sending',
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reference='ref2',
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)
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create_notification(
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template=sample_email_template,
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status='sending',
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reference='ref3',
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)
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create_service_callback_api(service=sample_email_template.service, url="https://original_url.com")
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assert process_ses_results(ses_notification_callback(reference='ref1'))
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assert process_ses_results(ses_notification_callback(reference='ref2'))
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assert process_ses_results(ses_notification_callback(reference='ref3'))
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assert send_mock.called
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def test_ses_callback_should_set_status_to_temporary_failure(client,
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notify_db_session,
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sample_email_template,
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mocker):
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send_mock = mocker.patch(
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'app.celery.service_callback_tasks.send_delivery_status_to_service.apply_async'
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)
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mock_logger = mocker.patch('app.celery.process_ses_receipts_tasks.current_app.logger.info')
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notification = create_notification(
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template=sample_email_template,
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status='sending',
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reference='ref',
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)
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create_service_callback_api(service=notification.service, url="https://original_url.com")
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assert get_notification_by_id(notification.id).status == 'sending'
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assert process_ses_results(ses_soft_bounce_callback(reference='ref'))
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assert get_notification_by_id(notification.id).status == 'temporary-failure'
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assert send_mock.called
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assert f'SES bounce for notification ID {notification.id}: ' in mock_logger.call_args[0][0]
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def test_ses_callback_should_set_status_to_permanent_failure(client,
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notify_db_session,
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sample_email_template,
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mocker):
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send_mock = mocker.patch(
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'app.celery.service_callback_tasks.send_delivery_status_to_service.apply_async'
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)
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mock_logger = mocker.patch('app.celery.process_ses_receipts_tasks.current_app.logger.info')
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notification = create_notification(
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template=sample_email_template,
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status='sending',
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reference='ref',
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)
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create_service_callback_api(service=sample_email_template.service, url="https://original_url.com")
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assert get_notification_by_id(notification.id).status == 'sending'
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assert process_ses_results(ses_hard_bounce_callback(reference='ref'))
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assert get_notification_by_id(notification.id).status == 'permanent-failure'
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assert send_mock.called
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assert f'SES bounce for notification ID {notification.id}: ' in mock_logger.call_args[0][0]
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def test_ses_callback_should_send_on_complaint_to_user_callback_api(sample_email_template, mocker):
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send_mock = mocker.patch(
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'app.celery.service_callback_tasks.send_complaint_to_service.apply_async'
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)
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create_service_callback_api(
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service=sample_email_template.service, url="https://original_url.com", callback_type="complaint"
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)
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notification = create_notification(
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template=sample_email_template, reference='ref1', sent_at=datetime.utcnow(), status='sending'
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)
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response = ses_complaint_callback()
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assert process_ses_results(response)
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assert send_mock.call_count == 1
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assert encryption.decrypt(send_mock.call_args[0][0][0]) == {
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'complaint_date': '2018-06-05T13:59:58.000000Z',
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'complaint_id': str(Complaint.query.one().id),
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'notification_id': str(notification.id),
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'reference': None,
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'service_callback_api_bearer_token': 'some_super_secret',
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'service_callback_api_url': 'https://original_url.com',
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'to': 'recipient1@example.com'
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}
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