* Allow to set CONF_DB_URL
This is useful for test which need a custom DB path.
* Introduce write_lock_db helper to lock SQLite database
* Introduce Websocket API which allows to lock database during backup
* Fix isort
* Avoid mutable default arguments
* Address pylint issues
* Avoid holding executor thread
* Set unlock event in case timeout occures
This makes sure the database is left unlocked even in case of a race
condition.
* Add more unit tests
* Address new pylint errors
* Lower timeout to speedup tests
* Introduce queue overflow test
* Unlock database if necessary
This makes sure that the test runs through in case locking actually
succeeds (and the test fails).
* Make DB_LOCK_TIMEOUT a global
There is no good reason for this to be an argument. The recorder needs
to pick a sensible value.
* Add Websocket Timeout test
* Test lock_database() return
* Update homeassistant/components/recorder/__init__.py
Co-authored-by: Erik Montnemery <erik@montnemery.com>
* Fix format
Co-authored-by: J. Nick Koston <nick@koston.org>
Co-authored-by: Erik Montnemery <erik@montnemery.com>
* Add WS API for removing statistics for a list of statistic_ids
* Refactor according to code review, enable foreign keys support for sqlite
* Adjust tests
* Move clear_statistics WS API to recorder
* Adjust tests after rebase
* Update docstring
* Update homeassistant/components/recorder/websocket_api.py
Co-authored-by: Paulus Schoutsen <paulus@home-assistant.io>
* Adjust tests after rebase
Co-authored-by: Paulus Schoutsen <paulus@home-assistant.io>
Stefan Agner
Erik Montnemery