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Added a redis cache for the template usage stats.

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Cache expires every 10 minutes, but will help with the every 2 second query, especially when a job is running.
There is some clean up and qa to do for this yet
This commit is contained in:
Rebecca Law
2017-02-13 18:47:29 +00:00
parent b2267ae5fc
commit 458adefcb8
9 changed files with 351 additions and 218 deletions
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8
tests/app/notifications/test_process_notification.py
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@@ -7,6 +7,7 @@ from sqlalchemy.exc import SQLAlchemyError
from freezegun import freeze_time
from collections import namedtuple
from app import cache_key_for_service_template_counter
from app.models import Template, Notification, NotificationHistory
from app.notifications import SendNotificationToQueueError
from app.notifications.process_notifications import (create_content_for_notification,
@@ -114,7 +115,8 @@ def test_exception_thown_by_redis_store_get_should_not_be_fatal(sample_template,
def test_cache_is_not_incremented_on_failure_to_persist_notification(sample_api_key, mocker):
mocked_redis = mocker.patch('app.notifications.process_notifications.redis_store.incr')
mocked_redis = mocker.patch('app.redis_store.incr')
mocked_redis_hash = mocker.patch('app.redis_store.increment_hash_value')
with pytest.raises(SQLAlchemyError):
persist_notification(template_id=None,
template_version=None,
@@ -125,6 +127,7 @@ def test_cache_is_not_incremented_on_failure_to_persist_notification(sample_api_
api_key_id=sample_api_key.id,
key_type=sample_api_key.key_type)
mocked_redis.assert_not_called()
mocked_redis_hash.assert_not_called()
@freeze_time("2016-01-01 11:09:00.061258")
@@ -132,6 +135,7 @@ def test_persist_notification_with_optionals(sample_job, sample_api_key, mocker)
assert Notification.query.count() == 0
assert NotificationHistory.query.count() == 0
mocked_redis = mocker.patch('app.notifications.process_notifications.redis_store.incr')
mocked_redis_hash = mocker.patch('app.notifications.process_notifications.redis_store.increment_hash_value')
n_id = uuid.uuid4()
created_at = datetime.datetime(2016, 11, 11, 16, 8, 18)
persist_notification(template_id=sample_job.template.id,
@@ -154,6 +158,8 @@ def test_persist_notification_with_optionals(sample_job, sample_api_key, mocker)
assert persisted_notification.job_row_number == 10
assert persisted_notification.created_at == created_at
mocked_redis.assert_called_once_with(str(sample_job.service_id) + "-2016-01-01-count")
mocked_redis_hash.assert_called_once_with(cache_key_for_service_template_counter(sample_job.service_id),
sample_job.template.id)
assert persisted_notification.client_reference == "ref from client"
assert persisted_notification.reference is None